Servis Rhino 95Hd Users Manual

95HD to the manual 9a429c95-2966-4782-bcb9-c5bfa625628a

2015-02-02

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95HD
®

Backhoe
Published 7/04

OPERATOR’S MANUAL

Part No. F-3788

This Operator’s Manual is an integral part of the safe operation
of this machine and must be maintained with the unit at all
times. READ, UNDERSTAND, and FOLLOW the Safety and
Operation Instructions contained in this manual before
operating the equipment.
nnnnnnnnn mmmmmnnnnnn

Rhino

1020 S. Sangamon Ave.
Gibson City, IL 60936
800-446-5158
email: parts@servis-rhino.com

TO THE OWNER/OPERATOR/DEALER
All implements with moving parts are potentially hazardous. There is no substitute for a cautious, safe-minded
operator who recognizes the potential hazards and follows reasonable safety practices. The manufacturer has
designed this implement to be used with all its safety equipment properly attached to minimize the chance of
accidents.

BEFORE YOU START!! Read the safety messages on the implement and shown in your manual. Observe
the rules of safety and common sense!

SAFETY HAZARD SIGNAL WORDS
There are three levels of hazard intensity identified by signal words
DANGER,

WARNING and

CAUTION. The level of hazard

intensity is identified by the following definitions.

DANGER

DANGER
Immediate hazards which will result in severe

injury or death.

WARNING

WARNING -

Hazards or unsafe practices which could result in

minor personal injury or death.

CAUTION -

CAUTION

THIS SAFETY SYMBOL MEANS

ATTENTION!
BECOME ALERT!
YOUR SAFETY IS
INVOLVED!

Hazards or unsafe practices which could result in

minor personal injury or property damage.

PELIGRO
LEA EL INSTRUCTIVO
Si No Lee Ingles, Pida Ayuda a Alguien Que
Si Lo Lea Que le Traduzca las Medidas de
Seguridad.

Read and understand the complete Warranty Statement found in this Manual. Fill out the Warranty Registration Form in full
and return it within 30 Days. Make certain the Serial Number of the Machine is recorded on the Warranty Card and on the
Warranty Form that you retain. The use of will-fit parts will void your warranty and can cause catastrophic failure with
possible injury or death.

TABLE OF CONTENTS

SAFETY SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Safety Hazard Signal Words . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Safety Decals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
INTRODUCTION SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
ASSEMBLY SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Installing Pump Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Installing 3-Point Adapter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Mounting Backhoe to Tractor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
OPERATION SECTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Pre-Operation Check List, Operating Directions, Engine Speed .
Controls, Boom/Swing, Dipperstick/Bucket. . . . . . . . . . . .
Operating Backhoe . . . . . . . . . . . . . . . . . . . . . . . .
Seat Adjustment, Mounting and Dismounting Buckets . . . . . .
Placing the Stabilizers . . . . . . . . . . . . . . . . . . . . . .
Swing Lock, Boom Lock, Transporting the Backhoe, Storage . .

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.
.
.
.
.

4-2
4-2
4-3
4-4
4-4
4-5

MAINTENANCE SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Cylinder Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Beginning of Season, Hydraulic Hoses, Auxiliary PTO Hydraulic System
Bucket tooth Points, Lubrication . . . . . . . . . . . . . . . . . . . . .
Hydraulic Trouble Shooting. . . . . . . . . . . . . . . . . . . . . . . .
Valve Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Torque Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Rhino is a registered trademark of Alamo Group Inc.
© 2004 Alamo Group Inc.

.
.
.
.
.
.

5-2
5-3
5-4
5-5
5-7
5-10

SAFETY
SECTION

Safety Section 1-1
© 2004 Alamo Group Inc.

SAFETY

SAFETY PRECAUTIONS

Watch for overhead wires. Do not touch wires with any
part of backhoe.

Safety of the operator was a prime
consideration in the design of this
backhoe. Proper shielding convenient
controls, simple adjustments and other
safety features have been built into this
backhoe.

Never allow a person to work under a raised bucket.
Never lift a person with backhoe.
Do not use bucket as a battering ram.
Always lower bucket to ground when not digging.
Never leave tractor unattended with engine running.

Accidents can be avoided if the following safety rules are

TRANSPORTATION

observed:
Do not drive tractor near the edge of a ditch or excavation.

PREPARATION

Always use accessory lights when transporting on a road

Do not operate backhoe unless it is rigidly attached to the

or highway to warn operators of other vehicles.

tractor.
Check your local government regulations.
Know your controls. Read this operators manual and the
manual provided with your tractor. Learn how to stop the
tractor;

the

engine;

and

the

backhoe

quickly

Be sure that slow moving vehicle emblem is visible to the
rear.

ADJUSTMENTS AND INSPECTION

emergency.
Provide adequate front end weight to counter balance the
backhoe at all times.

Check pins and hardware that attach backhoe to tractor
and

Be sure the area is clear of underground utilities or other
hazards.

all

for

tightness

several

times

daily.

Do not change any backhoe relief valve settings. They are
factory set for best backhoe performance and safety.

Keep all bystanders a safe distance away.

OPERATION

CAUTION: Escaping hydraulic fluid under
pressure can penetrate skin causing
serious personal injury.

Never allow anyone to operate the backhoe who is not
familiar with safe operating practices.
not

pins

Do not oil, grease or adjust backhoe while it is in motion.

Position a barricade around the work area.

pivot

Replace any parts which are bent, broken or missing.

attempt

enter

operators

platform

using

stabilizers as a step.

•

Operate from the backhoe operators seat only.
Allow only one person to operate the backhoe at a time.
Never dig with backhoe unless stabilizers are properly
set.
Do not dig under stabilizers or tractor with backhoe. Soft
ground or sandy soil can cause cave-ins.
Always swing bucket uphill to dump when on a hillside,
Keep loaded bucket low.

•
•
•

DO NOT use your hand to check for leaks. Use
a piece of cardboard or paper to search for
leaks.
Stop engine and relieve pressure before
connecting or disconnecting hydraulic lines.
Tighten all connections before starting engine or
pressurizing lines.
If any fluid is injected into skin, obtain medical
attention immediately or gangrene may result.

Be sure to relieve all pressure before disconnecting lines.
Be sure all connections are tight and that lines, pipes and

Set brakes and lock wheels when operating on hills and

hoses are not damaged before applying pressure to the

banks to avoid dangerous run-away.

system.
Do not remove any guards on backhoe or tractor.

Whenever you see this symbol

F3788-7-04
© 2004 Alamo Group Inc.

It means:

Safety Section 1-2

ATTENTION!
BECOME ALERT!
YOUR SAFETY IS INVOLVED!

SAFETY
PELIGRO!

Si no lee Ingles, pida ayuda a alguien que si Io
lea

para

que

traduzca

las

medidas

seguridad.

Never operate the Power Unit or Implement until you have read
and completely understand this Manual, the Power Unit Operators
Manual, and each of the Safety Messages found in the Manual or
on the Power Unit and Implement.

Learn how to stop the Power

Unit engine suddenly in an emergency. Never allow inexperienced
or untrained personnel too operate the Power Unit and Implement
without supervision.

Make sure the operator has fully read and

understood the manuals prior to operation.

Always maintain the safety decals in good readable condition. If

WARNING!

the decals are missing, damaged, or unreadable, obtain and install
replacement decals immediately.

WARNING!

Make certain that the Slow Moving Vehicle (SMV) sign is installed in such a way as to be clearly
visible and legible. When transporting the Equipment use the Power Unit flashing warning lights and
follow all local traffic regulations.

Operate this Equipment only with a Tractor equipped with an

WARNING!

approved roll-over-protective system (ROPS). Always wear seat
belts. Serious injury or even death could result from falling off the
tractorparticularly during a turnover when the operator could be
pinned under the Operator Protective Structure.

WARNING!

Do not modify or alter this Implement. Do not permit anyone to
modify or alter this Implement, any of its components or any
Implement function.

DANGER!

BEFORE leaving the Power Unit seat, always engage the brake and/or set the Power Unit transmission
in parking gear, disengage the auxiliary hydraulics, stop the engine, remove the key, and wait for all
moving parts to stop. Place the Power Unit shift lever into a low range or parking gear to prevent the
tractor from rolling. Never dismount a Power Unit that is moving or while the engine is running. Operate
the Power Unit controls from the operator seat only.

F3788-7-04
© 2004 Alamo Group Inc.

Safety Section 1-3

SAFETY

DANGER!

SAFETY

DANGER!

Never allow children to operate or ride on the Power Unit or Implement.

Do not mount the Power Unit while the Power Unit is moving. Mount the
Power Unit only when the Power Unit and all moving parts are completely
stopped.

DANGER!

Start the Power Unit only when properly seated in the Power Unit seat.
Starting a Power Unit in gear can result in injury or death. Read the Power
Unit operator's manual for proper starting instructions.

DANGER!
Never work under the Implement, the framework, or any lifted component
unless the Implement is securely supported or blocked up to prevent
sudden or inadvertent falling which could cause serious injury or even
death.

WARNING!

The operator and all support personnel should wear hard hats, safety
shoes, safety glasses, and proper hearing protection at all times for
protection

from

injury

including

injury

from

items

thrown

the

equipment.

WARNING!

PROLONGED EXPOSURE TO LOUD NOISE MAY CAUSE
PERMANENT HEARING LOSS! Tractors with or without an Implement
attached can often be noisy enough to cause permanent hearing loss.
We recommend that you always wear hearing protection if the noise in
the Operators position exceeds 80db. Noise over 85db over an extended
period of time will cause severe hearing loss. Noise over 90db adjacent to
the Operator over an extended period of time will cause permanent or

Note: Hearing loss from loud noise [from tractors, chain
saws, radios, and other such sources close to the ear] is cumulative over
a lifetime without hope of natural recovery
total hearing loss.

F3788-7-04
© 2004 Alamo Group Inc.

Safety Section 1-4

SAFETY
DANGER!

Do not operate this Equipment with hydraulic oil leaking. Oil is expensive
and its presence could present a hazard. Do not check for leaks with your
hand! Use a piece of heavy paper or cardboard. High- pressure oil streams
from breaks in the line could penetrate the skin and cause tissue damage

immediately by a physician knowledgeable and skilled in this procedure.

DANGER!

Transport only at safe speeds. Serious accidents and injuries can result
from operating this equipment at unsafe speeds. Understand the Power
Unit and Implement and how it handles before transporting on streets and
highways. Make sure the Power Unit steering and brakes are in good
condition and operate properly.
Before transporting the Power Unit and Implement, determine the safe
transport speeds for you and the equipment. Make sure you abide by the
following rules:
1.

Test the Power Unit at a slow speed and increase the speed slowly.
Apply the Brakes smoothly to determine the stopping characteristics of
the Power Unit and Implement.
As you increase the speed of the Power Unit the stopping distance
increases. Determine the maximum safe transport speed for you and
this Equipment.

Test the equipment at a slow speed in turns. Increase the speed
through the turn only after you determine that it is safe to operate at a
higher speed. Use extreme care and reduce your speed when turning
sharply to prevent the Power Unit and Implement from turning over.
Determine the maximum safe turning speed for you and this equipment
before operating on roads or uneven ground.

Only transport the Power Unit and Implement at the speeds that you
have determined are safe and which allow you to properly control the
equipment.

Be aware of the operating conditions. Do not operate the Power Unit with
weak or faulty brakes. When operating down a hill or on wet or rain slick
roads, the braking distance increases: Use extreme care and reduce your
speed. When operating in traffic always use the Power Unit's flashing
warning lights and reduce your speed. Be aware of the traffic around you
and watch out for the other guy.

WARNING!

Never attempt to lubricate, adjust, or remove material from the Implement
while it is in motion or while Power Unit engine is running. Make sure the
Power Unit engine is off before working on the Implement!

WARNING!

Periodically inspect all moving parts for wear and replace when necessary
with authorized service parts. Look for loose fasteners, worn or broken
parts, and leaky or loose fittings. Make sure all pins have cotter pins and
washers. Serious injury may occur from not maintaining this machine in
good working order.

F3788-7-04
© 2004 Alamo Group Inc.

Safety Section 1-5

SAFETY

including gangrene. If oil does penetrate the skin, have the injury treated

SAFETY

WARNING!

Always

read

instructions

carefully

when

and

handling

comply
oil,

fully

solvents,

with

the

cleansers,

manufacturers
and

any

other

chemical agent.

DANGER!

Never run the Power Unit engine in a closed building or without adequate
ventilation. The exhaust fumes can be hazardous to your health.

DANGER!

KEEP AWAY FROM ROTATING ELEMENTS to prevent entanglement

DANGER!

Never allow children to play on or around Power Unit or Implement.

and possible serious injury or death.

Children can slip or fall off the Equipment and be injured or killed.
Children can cause the Implement to shift or fall crushing themselves or
others.

WARNING!

Do not exceed the rated PTO speed for the Implement. Excessive PTO
speeds can cause Implement driveline failures resulting in serious injury.

NEVER use drugs or alcohol immediately before or while operating the

DANGER!

Power Unit and Implement. Drugs and alcohol will affect an operators
alertness and coordination and therefore affect the operators ability to
operate

the

equipment

safely.

Before

operating

the

Power

Unit

Implement, an operator on prescription or over-the-counter medication
must consult a medical professional regarding any side effects of the
medication that would hinder their ability to operate the Equipment
safely.

NEVER knowingly allow anyone to operate this equipment when

their alertness or coordination is impaired. Serious injury or death to the
operator or others could result if the operator is under the influence of
drugs or alcohol.

Operate the Power Unit and/or Implement controls only while properly

DANGER!

seated in the operator's seat with the seat belt securely fastened around
you. Inadvertent movement of the Power Unit or Implement may cause
serious injury or death.

F3788-7-04
© 2004 Alamo Group Inc.

Safety Section 1-6

SAFETY
WARNING!

Never interfere with factory-set hydraulic calibrations. Any change in

DANGER!

Always shut the Power Unit completely down, place the transmission in

calibration could cause a failure of the equipment and result in injury.

connect or disconnect the Backhoe.

DANGER!

Never crawl under a raised implement supported solely by the Power Unit
boom. Release of the control lever or mechanical failure will result in the
Implement falling and possible injury or death. Always securely block up
the

Implement

before

crawling

underneath

perform

repairs

and

service.

WARNING!

Relieve hydraulic pressure prior to doing any maintenance or repair work
on

the

implement.

Place

the

Backhoe

the

ground

securely

supported on blocks or stands, disengage the auxiliary hydraulics and
turn off engine. Push and pull the control levers several times to relieve
pressure prior to starting any maintenance or repair work.

SAFETY HAZARD SIGNAL WORDS
There are three levels of hazard intensity identified by
signal words DANGER, WARNING and CAUTION. The
level of hazard intensity is identified by the following
definitions.

DANGER

Immediate hazards which will result in severe

injury or death.

WARNING

WARNING - Hazards or unsafe practices which could result
in minor personal injury or death.

CAUTION

CAUTION - Hazards or unsafe practices which could result
in minor personal injury or property damage.

F3788-7-04
© 2004 Alamo Group Inc.

THIS SAFETY SYMBOL MEANS

ATTENTION!
BECOME ALERT!
YOUR SAFETY IS
INVOLVED!

Safety Section 1-7

SAFETY

park, and set the parking brake before you or anyone else attempts to

SAFETY

F3788-7-04
© 2004 Alamo Group Inc.

Safety Section 1-8

SAFETY

ITEM

PART NO.

QTY.

TYPE

DESCRIPTION

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

50850
45970
44907
44895
44896
44897
44898
44899
44900
44901
44908
44909
50851
48280
49696
35674-5
45491

2
2
1
2
1
2
1
1
1
1
2
1
2
1
1
2
2

NAME
WARNING
WARNING
DANGER
WARNING
DANGER
OPERATION
OPERATION
OPERATION
OPERATION
OPERATION
OPERATION
NAME
-------------LOGO
STRIPE
WARNING

RHINO, with Stripe
To Prevent Bodily Injury
To Prevent Instability
Crushing Hazard
To Prevent Bodily Injury
Crushing Hazard
Boom Operation
Dipperstick & Bucket Operation
Left Side Stabilizer Position
Right Side Stabilizer Position
Boom Lock
Swing Lock
Model 95HD
Universal One Call
Rhino
White, 13"
To Prevent Bodily Injury

F3788-7-04
© 2004 Alamo Group Inc.

Safety Section 1-9

SAFETY

SAFETY
NOTE: Safety decal location is listed below
each decal. Replace decal if damaged or
illegible. Replacement decals are available
from your dealer.

2 - - 45970

5 - - 44896

6 - - 44897

4 - - 44895

TO PREVENT BODILY INJURY
Do not attach backhoe to tractors which have 3-PT
Quick-Attaching Coupler. Backhoe may become unattached
f r o m t r a c t o r c a u s i n g s e r i o u s p e r s o n a l i n j u r y.
45491

3 - - 44907

F3788-7-04
© 2004 Alamo Group Inc.

17 -- 45491

Safety Section 1-10

14 -- 48280

SAFETY

10 - - 44901

1 - - 50850

11 - - 44908

16 - - 35674-5
13 - - 50851

49696

15 - - 49696

7 - - 44898

8 - - 44899

F3788-7-04
© 2004 Alamo Group Inc.

12 - - 44909

9 - - 44900

Safety Section 1-11

SAFETY

FEDERAL LAWS AND REGULATIONS
This section is intended to explain in broad terms the concept and effect of federal laws and regulations
concerning employer and employee equipment operators. This section is not intended as a legal
interpretation of the law and should not be considered as such.
Employer-Employee Operator Regulations
U.S. Public Law 91-596 (The Williams-Steiger Occupational and Health Act of 1970) OSHA
This Act Seeks:
...to assure so far as possible every working man and woman in the nation safe and healthful working conditions and to
preserve our human resources...

DUTIES
Sec. 5 (a) Each employer(1) shall furnish to each of his employees employment and a place of employment which are free
from recognized hazards that are causing or are likely to cause death or serious physical harm to
his employees;
(2) shall comply with occupational safety and health standards promulgated under this Act.
(b) Each employee shall comply with occupational safety and health standards and all rules,
regulations and orders issued pursuant to this Act which are applicable to his own actions and
conduct.
OSHA Regulations
OSHA regulations state in part: “At the time of initial assignment and at least annually thereafter,
the employer shall instruct every employee in the safe operation and servicing of all equipment
with which the employee is, or will be involved.”
Employer Responsibilities:
To ensure employee safety during Tractor and Implement operation, it is the employer’s responsibility to:
1. Train the employee in the proper and safe operation of the Tractor and Implement.
2. Require that the employee read and fully understand the Tractor and Implement Operator’s manual.
3. Permit only qualified and properly trained employees to operate the Tractor and Implement.
4. Maintain the Tractor and Implement in a safe operational condition and maintain all shields and guards
on the equipment.
5. Ensure the Tractor is equipped with a functional ROPS and seat belt and require that the employee
operator securely fasten the safety belt and operate with the ROPS in the raised position at all times.
6. Forbid the employee operator to carry additional riders on the Tractor or Implement.
7. Provide the required tools to maintain the Tractor and Implement in a good safe working condition and
provide the necessary support devices to secure the equipment safely while performing repairs and
service.
8. Require that the employee operator stop digging if bystanders or passerbys come within 10 yards.

Child Labor Under 16 Years of Age
Some regulations specify that no one under the age of 16 may operate power machinery. It is your
responsibility to know what these regulations are in your own area or situation. (Refer to U.S. Dept. of Labor,
Employment Standard Administration, Wage & Home Division, Child Labor Bulletin #102.)

F3788-7-04
© 2004 Alamo Group Inc.

Safety Section 1-12

INTRODUCTION
SECTION

Introduction Section 2-1
© 2004 Alamo Group Inc.

INTRODUCTION

This manual provides operation, maintenance, assembly and parts identification for your new backhoe.
Your backhoe has been designed to give many years of satisfactory service. Successful operation and long life of the
backhoe depends on proper maintenance and operation. Please read this manual carefully and follow all instructions.
Correct assembly, operation and maintenance will save you much time and expense. Also follow instructions included
with backhoe mounting and hydraulic kits to insure that backhoe is installed correctly to tractor.

NOTE: This safety alert symbol identifies important safety messages in this manual.
Observe and follow all safety messages to prevent personal injury.
Reference to left-hand and right-hand used in this manual refers to position of operator when seated in the operating
position of backhoe.

If at any time you have a service problem with your backhoe or need new parts, contact your local dealer.
Your dealer will need your backhoe model number and serial number to give you prompt efficient service.
Parts orders must give complete description, correct part number, total amount required, model number, all necessary serial
numbers, method of shipment and shipping address.

F3788-7-04
© 2004 Alamo Group Inc.

Introduction Section 2-2

INTRODUCTION
SPECIFICATIONS
Specifications may vary depending on tractor model, tire size and bucket used and are subject to change without notification. Tractor
must be equipped with ROPS and seat belt that will provide greater safety and installation of backhoe subframe.

95HD
GENERAL DATA

Digging Depth (two foot flat bottom) . . . . . . . . . . . . . . 114"

Reach from center line of Swing Pivot . . . . . . . . . . . . . 153"

Loading Height (bucket at 60°). . . . . . . . . . . . . . . . . 96"

Load Reach . . . . . . . . . . . . . . . . . . . . . . . . . . 43"

Maximum Leveling Angle . . . . . . . . . . . . . . . . . . . 11.5°

Swing Arc . . . . . . . . . . . . . . . . . . . . . . . . . . . 180°

Transport Height (maximum). . . . . . . . . . . . . . . . . . 100"

Transport Overhang . . . . . . . . . . . . . . . . . . . . . . 55"

Bucket Rotation . . . . . . . . . . . . . . . . . . . . . . . . 185°

Stabilizer Spread, down position . . . . . . . . . . . . . . . . 117"

Stabilizer Spread, up position . . . . . . . . . . . . . . . . . 67"

INTRODUCTION

Shipping Weight (less bucket) . . . . . . . . . . . . . . . . . 1818 lbs.
Bucket Digging Force . . . . . . . . . . . . . . . . . . . . . 5872 lbs.
Dipperstick Digging Force . . . . . . . . . . . . . . . . . . . 3800 lbs.
Operating Pressure . . . . . . . . . . . . . . . . . . . . . . 2500 PSI
NOTE: See Illustrations of Specifications on Page 2-4

BUCKET DATA
BUCKET WIDTH

SAE STRUCK CAPACITY

SAE HEAPED CAPACITY

SHIPPING WEIGHT

12" H.D.

1.80 cu. ft.

1.95 cu. ft.

159 lbs.

18" H.D.

2.70 cu. ft.

3.03 cu. ft.

192 lbs.

24" H.D.

3.60 cu. ft.

4.12 cu. ft.

226 lbs.

36" Grave

4.40 cu. ft.

5.03 cu. ft.

279 lbs.

CYLINDER DATA
CYLINDER

STROKE

RETRACTED LENGTH

Boom

PISTON DIA.
3.25"

23.88"

34.00"

EXTENDED LENGTH
57.88"

ROD DIA.
1.75"

Dipperstick

3.25"

25.56"

35.25"

60.81"

1.75"

Bucket

3.00"

22.00"

32.00"

54.00"

2.00"

Swing

3.00"

10.78"

7.16"

17.94"

1.50"

Stabilizer

3.00"

17.69"

26.25"

43.94"

1.50"

F3788-7-04
© 2004 Alamo Group Inc.

Introduction Section 2-3

INTRODUCTION

SPECIFICATIONS

F3788-7-04
© 2004 Alamo Group Inc.

Introduction Section 2-4

ASSEMBLY
SECTION

Assembly Section 3-1
© 2004 Alamo Group Inc.

ASSEMBLY

INSTALLING PUMP KIT (Option)

INSTALLING PUMP KIT

Install filter body (without filter element) to 3/4
nipple (20). Be sure oil flow (arrow on filter body) is

WARNING: Do not modify or alter this
implement. Do not permit anyone to modify or
alter this Implement, any of its components or
any Implement function.
Drawbar may need to be removed if it interferes with
reservoir. If drawbar can be left in place, retaining bracket (4)
should be installed on left side of pump as shown and
positioned on left side of tractor drawbar.

correct. Position body so element points right.
Install filter element (7).
5.
6.

NOTE:

Install 3/4 x 3/4 fitting (16) to filter body.
Install 1 x 1 elbow fitting (17) and hose barb (13) to
left tank port. Point hose barb up and 45° to left.

Install 1-5/16 live swivel elbow (14) to right IN
port on pump. Install 3/4 x 1-1/16 elbow fitting (15)
to left OUT port on pump.

Fasten hydraulic pump retaining bracket (4) to pump

(6)

using 3/8-16 x 1-1/4 cap screws (22) and 3/8 lock washers

Connect suction hose (3) to reservoir using hose
clamp (10) and to live swivel fitting (14) on pump.

(24). Fasten one end of chain (8) to pump retaining bracket
using wire rope clip (5), and 3/8 lock nuts (25).
9.

NOTE: Wrap chain tightly around hitch bracket on tractor to
prevent pump from slipping off PTO shaft.
2.

Sandwich reservoir (1) between 3-pt mounting brackets or
subframe and backhoe using hardware supplied with 3-pt
mounting brackets or subframe.

nipple (20) to right tank port. Point 3/4 x 3/4 elbow fitting

F3788-7-04
© 2004 Alamo Group Inc.

(11)

OUT

port

valve

and

filter

hydraulic reservoir.
10.Fill reservoir to within two inches from top with
10W or 20W hydraulic oil with SAE J183-M2C33F
classification. Dextron 2 ATF fluid and 10W engine

Install 1 x 2-1/2 nipple (19), 3/4 x 3/4 elbow (18) and 3/4 x 2

(18) up.

Connect pressure hose (12) to OUT port on
pump and IN port on valve. Connect tank hose

oil

with

API

classification

are

also

acceptable.

NOTE: After cycling all cylinders, recheck oil level.

Assembly Section 3-2

ASSEMBLY
INSTALLING THREE POINT
ADAPTER (Option)

ASSEMBLY

INSTALLING THREE POINT ADAPTER

Position backhoe to achieve 90° and 15-18 inch

Backhoe is not compatible with 3-pt
quick attach device. Tractors with 3-pt quick attach
device must remove quick attach device before
installing backhoe.
WARNING:

1. Install mounting brackets (3 & 4) to backhoe using 3/4 x 2
cap screws (16) and 3/4 lock nuts (12).

cap screws (11), 1.19" bushings (7) and 3/4 lock nuts (12).
3. Connect rear center link (17) to backhoe mainframe using
1-x 3-7/8 clevis pin (14) and 1/2 x 2 cotter pin (15).
4. Using overhead hoist, floor jack or connecting backhoe
hydraulics to tractor so stabilizers can be activated.

5. Join support braces (1 & 2), front center link (5)
and rear center link (17) to nearest bolt holes
which will maintain as close as possible the 90°
and

15-18

inch

position

backhoe.

Leave

hardware loose for final adjustment later.

Hole locations shown in parts diagram for
bolts (13 & 18) are for illustration only and will vary
depending on tractor model. However, it is
necessary that all three bolts be installed. For some
installations support braces (1 & 2) may be installed
between bolts (18). Support braces must be
fastened to center links within 13 inches from pin
point on tractor (Figure 3A).
NOTE:

2. Fasten support braces (1 & 2) to backhoe using 3/4 x 3-1/2

F3788-7-04

height as described in figures 3A & 3B.

Assembly Section 3-3

ASSEMBLY
MOUNTING BACKHOE TO
TRACTOR
1. Back tractor close enough to tractor to connect hose kit

• Tighten all connections before starting engine or
pressurizing lines.
• If any fluid is injected into skin, obtain medical
attention immediately or gangrene may result

or pump to tractor.

leaving the Power Unit
Seat, always engage the brake and set the
Power Unit transmission in parking gear,
disengage the auxiliary hydraulics, stop the
engine, remove the key, and wait for all
moving parts to stop.
WARNING: BEFORE

2. Using

backhoe

hydraulics,

lower

stabilizers

Figure 3A
Assembly

until

backhoe can be connected to 3-point hitch. Bottom of
backhoe boom pivot should be 15 to 18 inches off
ground when attaching to tractor lower 3-point arms.
LOWER LINK:

3. CATEGORY I 3-PT HITCH - Connect to backhoe and
secure using hitch pins (6) and lynch pins (10).

ASSEMBLY

CATEGORY II 3 PT HITCH - Use 1-7/8 long x 1-1/8
O.D. bushings (20) hitch pins (6) and lynch pins (10).
CATEGORY III 3-PT HITCH - Use 1-7/8 long x 1-7/16
O.D. bushings (21) hitch pins (6) and lynch pins (10).
UPPER LINK:

4. CATEGORY I, II OR III 3-PT HITCH - Connect center
link assembly to upper connecting point on tractor 3point hitch using clevis pin and lynch pin from tractor. If
required, insert bushing (8, 9 or 22) into center front
link (5) to match tractor clevis pin diameter.

Upper connecting point where
backhoe fastens to tractor is under high load
when backhoe stabilizers lift rear of tractor.
Check backhoe and tractor components in
this area often for signs of fatiguing, loose
hardware and wear.
CAUTION:

5. Adjust link assembly length if necessary for backhoe
mainframe to maintain 90° and 15-18 inch positions
(Figures 1 & 2). If upper link interferes with seat, move
seat bracket into forward set of holes.
6. Check for proper operator head clearance with ROPS
and cab (Figure 3B).
7. Tighten all hardware in upper link assembly to torque
specifications in backhoe manual.

Escaping hydraulic fluid under
pressure can penetrate skin causing serious
injury.
WARNING:

• DO NOT use your hands to check for leaks.
Use a piece of cardboard or paper to search for
leaks.
• Stop engine and relieve pressure before
connecting or disconnecting lines.
F3788-7-04
© 2004 Alamo Group Inc.

Assembly Section 3-4

Figure 3B
Clearance

OPERATION
SECTION

Operation Section 4-1
© 2004 Alamo Group Inc.

OPERATION
To avoid possible injury, observe
the following safety rules BEFORE
OPERATING backhoe.
CAUTION:

CONTROLS

The backhoe has two major control levers, Boom/Swing
and Dipperstick/Bucket. These controls are located on the
control panel directly ahead of the operator .

• Be sure area is clear of underground utilities or
other hazards.
• Position a barricade around work area.
• Keep bystanders a safe distance away.

The stabilizer control levers are located between the two
major control levers.

BOOM /
SWING

PRE-OPERATION CHECK LIST

This backhoe is designed for safety, durability and opera-

DIPPERSTICK /
BUCKET

tor convenience. To insure satisfactory performance complete the following check list and make all necessary
adjustments before initial operation.

LEFT
STABILIZER

1. All safety shields must be in place.
2. Safety

and

operation

decals

must

place,

undamaged and clean.
3. Hydraulic hookup must be correct and all connections
tight.

Tractor Power Beyond
Port
Quick Sump Port
Loader
Coupler
Valve Tractor
Backhoe
Hydraulic
Valve
Manifold

OPERATION

Out

RIGHT
STABILIZER

Quick
Coupler

General Hydraulic Circuit—
Disables 3-pt. Hitch

Power
Beyond
Port

BOOM/SWING

Push lever forward, boom moves down, away from
operator.

4. All bolts and pins which attach backhoe to tractor must
be in place. Check tightness of bolts and check that all
pins are retained.

Pull

lever

back,

boom

moves

up,

toward

operator.
Pushing lever farther forward into detent position puts
boom into float. Float detent position allows boom to drift

5. Tractor must be in proper operating condition.

up or down.

6. Lubricate backhoe, see MAINTENANCE SECTION.

Move lever to left, backhoe swings left. Move lever to

7. Controls must operate properly. See "OPERATION

right, backhoe swings right.

SECTION.

By moving lever to one of the intermediate positions,

8. Cycle all cylinders slowly to purge air from hydraulic
system.

boom can be swung left or right at the same time as it is
being raised or lowered, performing two operations

9. Hydraulic system oil level must be correct. Reservoir
level should be 2" from top of tank.

simultaneously.
Swing left and lower boom by moving control lever

OPERATING DIRECTIONS

forward and to the left.

The terms right, left, front and back shall be from the

Swing left and raise boom by moving control lever back

position of the operator when seated in the operating

and to the left.

position on the backhoe.

Swing right and lower boom by moving control lever

ENGINE SPEED

forward and to the right.

Speed at which backhoe operates is dependent on tractor
PTO RPM. Use a moderate engine speed to start and
increase it as your experience permits.

F3788-7-04
© 2004 Alamo Group Inc.

Swing right and raise boom by moving control lever back
and to the right.

Operation Section 4-2

OPERATION
DIPPERSTICK/BUCKET

Study these decals. They will assist you in becoming

Push lever forward, dipperstick moves away from operator.

familiar with the controls.

Pull lever back, dipperstick moves toward operator.

Smooth, light handling of controls will result in the most

Move lever to left, bucket curls in. Move lever right, bucket
extends out.

efficient backhoe operation.
Operate backhoe control levers to become familiar with

By moving lever to one of the intermediate positions,

their speed and movements. Engine speed and PTO

dipperstick can be extended or retracted at the same time as

RPM will determine speed of cylinder operation.

bucket is being loaded or dumped.

Swing boom several times to practice controlling the

Move dipperstick away and extend bucket by moving lever

speed of swing. Do not operate swing more than 45

forward and to the right.

degrees each way for the first few times. Gradually

Move dipperstick toward operator and curl bucket by moving

Best results are obtained by digging near center of swing

lever back and to the left.
Move dipperstick away and extend (dump) bucket by

Move dipperstick toward operator and extend bucket by
moving lever back and to the right.

with the two operations performed by bucket and dipperstick
control lever provide four simultaneous operations from the
two levers. Oil flow will go to operation which requires the
least pressure. The ability to feather valve spools and
comes

with

experience

backhoe, it will be common practice to operate two
controls at one time. For example with bucket extended
and dipperstick extended, the lift control and dipperstick

The two operations of the boom and swing lever combined

pressure

arc so material can be dumped on either side.
As operator becomes more familiar with operation of

moving lever forward and to the right.

balance

increase the arc.

resulting

reduced cycle times.

control can be operated together to bring bucket toward
operator

with

down

pressure

it.

dipperstick

approaches operator, the dipperstick and bucket controls
can be operated together to close bucket and trap
material. At end of stroke, lift and dipperstick controls are
operated to move load up and away from operator to save
time in clearing excavation.

LEFT HAND STABILIZER

OPERATION

Push lever forward, left hand stabilizer lowers. Pull lever
back, left hand stabilizer raises.

RIGHT HAND STABILIZER
Push lever forward, right hand stabilizer lowers. Pull lever
back, right hand stabilizer raises.

OPERATING BACKHOE

To avoid possible injury, observe
the following safety rules WHEN OPERATING
backhoe.
CAUTION:

• Operate from backhoe operators seat only.
• Lower stabilizers until weight of tractor is
supported by stabilizers. Do not lift tractor tires
off ground.
• Do not dig near stabilizers.
• Do not attempt to raise tractor off ground or
move tractor forward or backward using
backhoe dipperstick or bucket.
• Do not lose stability by swinging bucket downhill
when positioned on a slope.
It is not difficult to become an efficient operator. Control
operating decals are located in front of control levers.

F3788-7-04
© 2004 Alamo Group Inc.

This dual operation of controls will speed and simplify
digging operation. Normally two or more movements will
not be equal or even simultaneous but as pressure within
the cylinders, and resistance of an operating member of
backhoe lessens, it will begin to move. It is balancing the
force of one member against another.

Actuating bucket is the key to powerful digging.
Operating the dipperstick and bucket controls
simultaneously will insure a full bucket and prevent
wasted motion and time.
NOTE:

Operation Section 4-3

OPERATION
MOUNTING AND DISMOUNTING BUCKETS

PLACING THE STABILIZERS

Mount buckets using pins (1 & 2), cap screws (3),
lock nuts (4) provided.

Set the stabilizers to remove weight from the rear wheels.

NOTE:

pin.

Pin (1) with grease fitting is bucket/dipper pivot

Rear wheels are to remain touching the ground as this
provides for the widest stabilizer stance and lowest center
of gravity.
Raising the wheels off the ground will not only reduce
stability and digging depth, but impair performance and

OPERATION

impose unnecessary stress on the backhoe and tractor.

SEAT ADJUSTMENT
Adjust the seat up or down by removing
the 1/2 cap screw (7) and lock nut (15)
which secures seat bracket to seat post
and raising or lowering the seat. Adjust
seat

forward

rearward

repositioning seat latch (12) located
under mounting plate (2).

F3788-7-04
© 2004 Alamo Group Inc.

Operation Section 4-4

OPERATION
SWING LOCK

Use

swing

REMOVAL FROM TRACTOR-STORAGE

lock

when

transporting

dismounting

Backhoe is self assisting during installation and removal

backhoe.

procedures.

Position boom straight back and drop pin through holes in

1. Put stabilizers down and lift backhoe slightly. Rotate

swing frame and mainframe. Store pin in hole provided on

boom straight back.

mainframe.
2. Install swing lock pin.

BOOM LOCK

3. Completely raise boom and lower dipperstick. Curl

Use boom lock when transporting backhoe.

bucket until bottom of bucket is level with ground.

1. Completely raise boom and lower dipperstick.
2. Secure boom using boom lock pin and hair pin clip.

Lower boom until bucket rests firmly on ground.
4. Remove pins which secure backhoe to tractor.
5. Slowly drive forward until tractor clears backhoe.

TRANSPORTING THE BACKHOE

Engage tractor brakes.

To avoid possible injury, observe
the following safety rules WHEN
TRANSPORTING the backhoe.
CAUTION:

• Travel slowly over rough terrain, on hillsides,
and around curves to prevent tipping.
• Do not drive tractor near the edge of a ditch or
excavation.
• Use accessory lights and slow moving vehicle
emblem when traveling on highways.
Before leaving backhoe operators seat position backhoe
for transport by raising boom, swinging to center, curling

backhoe or subframe rests on suitable blocking. Leave
stabilizers touching ground.

For added stability, rest backhoe or subframe on
wood blocks or plywood.
NOTE:

7. Shut off tractor. Work handles back and forth to relieve
hydraulic

pressure.

Disconnect

hydraulic

lines

pump from backhoe.
8. For long term storage coat all exposed cylinder rods
with grease.
9. Lubricate all grease fittings, stabilizer pivot pins and
complete handle linkage.

Install swing and boom lock pins.
When

transporting

for

long

distances,

WARNING:

periodically

backhoe:

examine backhoe and raise boom, stabilizers and bucket
back up to full height. It is normal for backhoe to slowly
settle while being transported.

Position SMV sign on mounting bracket
located on bucket cylinder when transporting backhoe.
IMPORTANT:

During backhoe operation, position SMV sign on bracket
located on tractor.

F3788-7-04
© 2004 Alamo Group Inc.

To avoid injury during removal of

• Do not permit bystanders within 15 feet.
• Dismount backhoe on firm level ground.
• Always shut off tractor engine, disengage PTO
and relieve pressure before disconnecting oil
lines.

Operation Section 4-5

OPERATION

bucket in, crowding dipperstick in and raising stabilizers.

6. Lower backhoe by raising stabilizers and boom until

MAINTENANCE
SECTION

Maintenance Section 5-1
© 2004 Alamo Group Inc.

MAINTENANCE

CYLINDER ASSEMBLY

CYLINDER SERVICE

Cylinders are designed to be reliable and easy to service.
If a cylinder should malfunction during warranty period,
return

complete

cylinder

assembly,

without

disassembling, to your authorized service department or
contact

your

authorized

service

department

for

instructions. Unauthorized disassembly of a cylinder in
warranty period will VOID WARRANTY.

1. Place rod seal (3) into groove inside cylinder head.

Lips of seal (3) must face inward and seal must be
firmly seated in groove (Figure 5B). For easier installation,
place seal (3) in 120°F water to warm seal.
NOTE:

Following is an outline procedure for disassembling and
reassembling cylinders.
CYLINDER

2. Install wiper seal (2) with lip of seal facing out and flush

1. Hold cylinder tube (13 figure 5A) stationary and pull
wire ring (14) out through slot. Rotate head (6) to ease
disassembly.

MAINTENANCE

Be careful not to damage seals and o-rings on
edges or holes in cylinder tube. Inspect and remove burrs
and sharp edges if necessary before reassembly.
NOTE:

with top of cylinder head. Install wear ring (7) inside
other end of head.
3. Place o-ring (5) with back-up washer (4) in groove on

2. Pull shaft (1), with all assembled parts, out of cylinder
tube.

outside of head. Back-up washer must be on rod side.
4. Remove sharp edges on outer edge of threaded end of

Resistance will be felt until head and piston seal (5
& 10) slides over wire retaining ring groove. Seals are
usually damaged when cylinder is disassembled.
NOTE:

3. Remove lock nut (12) from end of shaft and slide piston
(8) and cylinder head (6) off shaft.

shaft (1). Lubricate wiper seal (2) and rod seal (3) in
head and carefully slide head onto shaft.
5. Place o-ring (9), piston seal (10) and piston wear ring
(11) in grooves on outside of piston.

For easier installation, place piston seal (10) in
120°F water to warm seal.
NOTE:

4. Remove piston wear ring (11), piston seal (10), and oring (9) from outside grooves on piston (Swing and
boom cylinders have additional steel ring between
piston and nut).

6. Slide piston onto threaded end of shaft with wear ring
twoard base of cylinder and install lock nut (12). Swing
and stabilizer cylinders, tighten lock nut (12) to 300 ft.

5. Remove wiper seal (2), rod seal (3) and wear ring (7)
from inside of cylinder head and o-ring (5) with backup
washer (4) from groove on outside of head.

lbs. Lift, dipperstickand bucket cylinders tighten lock
nut (12) to 480 ft. lbs.
7. Lubricate piston wear ring (11) and piston seal (10) on

6. Clean all parts including cylinder tube, in a suitable

piston, o-ring (5) and backup washer (4) on head and

cleaning solvent, then use air pressure to blow any dirt

inside of cylinder tube (13), then carefully slide piston

or excess solvent from all parts.

and head into cylinder tube.

7. Examine all parts for wear or damage and replace, if
necessary.

8. Insert wire retaining ring (14) into slot in cylinder tube
(13). Apply pressure to wire ring to thread it into groove
while turning cylinder head.

F3788-7-04
© 2004 Alamo Group Inc.

Maintenance Section 5-2

MAINTENANCE
To avoid possible injury, observe
the following safety rules when servicing
backhoe.
CAUTION:

• Do not oil, grease or adjust backhoe while it is
in motion.
• Do not change any backhoe relief valve
settings. Relief valve settings are factory set for
best backhoe performance and safety.
• Escaping fluid under pressure can have
sufficient force to penetrate the skin and cause
serious injury. Be sure to relieve all pressure
before disconnecting lines. Be sure all
connections are tight and that lines, pipes and
hoses are not damaged before applying
pressure to the system.
• Fluid escaping from a very small hole can be
almost invisible. Use a piece of cardboard or
wood - not your hands - to search for suspected
leaks.
• See a doctor at once if injured by escaping fluid.
Serious infection or reaction can develop if
proper medical treatment is not administered
immediately.
• Protect your eyes - wear safety glasses. Guard
against injury when driving connecting pins or
performing any repair in which particles can
chip from work piece or striking tool.
BEGINNING OF SEASON

Remove

all

protective

Escaping hydraulic fluid under
pressure can penetrate skin causing serious
injury.
WARNING:

• DO NOT use your hand to check for leaks. Use
a piece of cardboard or paper to search for
leaks.
• Stop engine and relieve pressure before
connecting or disconnecting lines.
• Tighten all connections before starting engine or
pressurizing lines.
• Oil leaks on the suction side will draw air into
the system, causing oil in reservoir to appear
foamy.
• When tightening connections always use two
wrenches.
IMPORTANT: Do not over tighten fittings. Make them just
tight enough to eliminate leaks.
NOTE: Apply sealant only to all tapered threads unless
coupled with swivel adapters. When using teflon tape,
wrap tape clockwise (as viewed from end) and wrap tape
only twice. Keep sealant away from first two threads of
tapered end to prevent contamination of hydraulic fluid.
Do not use sealant on o-ring or flare adapter threads.
Hoses on backhoe are very severely worked and will fail in
time. Examine them regularly and replace any that show
signs of failure. Pay careful attention to routing of hoses

covering.

Remove

excessive

grease from cylinder rods if unit has been in long term
storage.

so they can move freely, without kinking and cannot be
pinched or cut by any part of backhoe.
AUXILIARY PTO PUMP HYDRAULIC SYSTEM

Check hydraulic hoses for deterioration and replace if
Caution

hydraulic

hoses

may

under

pressure. Make sure pressure has been relieved before
removing hoses.

Maintain reservoir fluid level at 2 inchs below tank top
when bucket is extended to full reach, bucket rolled back
for loading and resting on the ground, and stabilizers fully
raised. If reservoir is over filled, fluid may be forced out of

Lubricate all grease fittings and oil handle linkage.

breather cap.

Clean

Fill reservoir with 10W or 20W

and

inspect

all

safety

and

operation

decals.

hydraulic oil with SAE

J183-M2C33F classification. Dextron 2 ATF fluid and

Replace missing or damaged decals.

10W engine oil with API SD classification are also

Replace oil filter.

acceptable.

Fill hydraulic fluid to proper level.

Change oil and filter every 200 hours or more often if

Tighten all loose bolts, nuts and set screws (See torque

necessary.

chart page 5-10).
Sharpen or replace worn bucket teeth.
Operate backhoe slowly for a short time before placing
unit under full load.
Fully cycle backhoe through all movements several times
to purge air from the system.

F3788-7-04
© 2004 Alamo Group Inc.

Maintenance Section 5-3

MAINTENANCE

necessary.

HYDRAULIC HOSES

MAINTENANCE

Spring
Pin
Shank
Point
Heavy Duty

BUCKET TOOTH POINTS

Bucket tooth points are self sharpening and will require
little attention. However, points can be replaced when
they become badly worn or broken.
If a tooth shank breaks off, becoming lost or damaged so
that it cannot hold a tooth point, a new shank should be
welded to bucket.
TIGHTENING NUTS AND BOLTS

Periodically check to be sure all bolts and nuts are tight
(See torque chart page 5-10).
Check all pivot pins for cotter pins, washers and retainers.
If any are missing replace them.

LUBRICATION CHART

LUBRICATION

Economical

and

efficient

operation

backhoe

dependent upon regular and proper lubrication of all

Location Description

Qty. Total

moving parts with a quality lubricant.

Stabilizer Arm

All parts provided with grease fittings should be lubricated

Rod, Stabilizer Cylinders

with a good quality chassis lube type grease. If any grease

Rod, Swing Cylinders

Base, Stabilizer Cylinders

Base, Boom Cylinder

Rod, Boom Cylinder

Base, Dipperstick Cylinder

Rod, Dipperstick Cylinder

Boom-Dipperstick Pivot

Base, Bucket Cylinder

Rod, Bucket Cylinder

Guide Link - Dipperstick

Dipperstick-Bucket Pivot

Swing Post

Boom to Swing Frame

Swing Cylinder Base

Bucket Link - Cylinder

Bucket Link - Bucket

fittings are missing, replace them immediately. Clean all

MAINTENANCE

Item No.

fittings thoroughly before using grease gun.
Lubricate all 27 grease fittings at least twice daily (See
chart for locations), once at the beginning of operation
and again approximately half way through the work day.
Grease hourly any joints that operate in water.
Control valve handle linkage should be oiled with SAE 30
oil.
IMPORTANT: Avoid excessive greasing. Dirt collects on
exposed

grease

and

greatly

increases

wear.

greasing wipe off excess grease from fittings.

F3788-7-04
© 2004 Alamo Group Inc.

After

Maintenance Section 5-4

MAINTENANCE
HYDRAULIC TROUBLE SHOOTING

POSSIBLE CAUSE

Hydraulic trouble shooting material presented in this

Low oil level in
reservoir.

Fill reservoir to proper
level

No oil supply to
machine.

Coupler not fully
engaged.

Air in system.

Purge all circuits of air
by operating all cylinders
through full movements
several times. Check oil
in reservoir for foaming.
Check all suction lines for
leaks. Fill reservoir to
correct level.

Oil viscosity too heavy Use recommended
or oil is not at
hydraulic fluid. Run
operating temperature. machine until it reaches
operating temperature.

Pump not running.

Insufficient pumping.

Advance engine throttle.

Improper hose
connection.

IMPORTANT: Be sure
inlet and return hoses are
hooked up correctly.
Improper hookup will
result in damage to
backhoe valve.

Loose hydraulic
connections, leaks in
fittings or hoses.

Tighten all hose
connections and replace
all damaged o-rings at
leaking o-ring fittings.
Check and replace any
damaged hoses.

Restrictions in fittings
or hoses.

Check and replace any
damaged hoses and
fittings. Check for
pinched hoses.

Oil is bypassing
cylinder piston.

Replace or rebuild
cylinder. Replace
damaged parts. Check if
piston is loose on shaft.

Scored piston rods or
worn rod guides in
cylinder.

Replace or rebuild
cylinder. Replace
damaged parts.

Bent piston rod in
cylinder.

Replace or rebuild
cylinder. Replace
damaged parts.

Worn or damaged rod
seals on cylinder.
External leaks.

Re-pack cylinder,.
Rebuild cylinder
replacing damaged parts
as necessary.

Swing linkage
jammed.

Remove interference.

Excessive back
pressure.

Restriction between
valve out port and
reservoir.

Paint on valve spool.
Sticking valve spool,
or scored valve.

Clean valve spool.
Binding may be caused
by over tightened plug,
mounting bolt, fitting or
tie rod bolt. See item 30.

section is offered as a guide to diagnosing probable
causes and remedies for general operational problems.
Match your problem with the typical problem examples
given in the possible cause column. These numbers
correspond

with

the

possible

cause

and

correction

paragraphs that follow.
NOTE: If, when using the following chart, it is decided that
overhaul

components

pressure

adjustment

necessary, it is recommended that your dealer make
these repairs. He is equipped to do this work.

PROBLEM

POSSIBLE CAUSE

Machine fails to operate
when initially started.

1, 2, 5, 7, 15, 23, 31

Machine looses power
after initially operating
satisfactorily.

1, 8, 10, 15, 23

Loss of power in lift or
dipperstick cylinder, but
other cylinders function
properly.

22, 24, 28

Loss of power in any one
cylinder including lift and
dipperstick.

8, 9, 10, 11, 12, 13, 22, 23,
24, 25, 28

Loss of power or loss of
8, 9, 10, 11, 12, 13, 22, 23,
cushioning action in swing 25
cylinders, but other
cylinders function properly.
Maximum swing action
cannot be obtained.

10, 11, 12, 14, 30, 31

Slow operation of machine 1, 4, 6, 15, 23, 30
(lack of power) all
cylinders.
1, 3, 4, 5, 30

Lift dipperstick or bucket
cylinders drop under load
when lever spools are
shifted from neutral.

10, 11, 25, 26

Load settles.

8, 10, 13, 24, 25, 26

Leaky cylinders.

10, 11, 12, 13

Leaky valve.

8, 15, 16, 27

Sticky valve spool.

16, 19, 20, 21, 24, 33, 34

Unable to push valve
spool in.

16, 17, 20, 21, 29, 33, 34

Spring centered spools do
not return to neutral.

16, 17, 18, 19, 20, 21, 29

Handle develops
excessive play or no
longer aligns in center
position.

18, 19, 21, 25

F3788-7-04
© 2004 Alamo Group Inc.

Maintenance Section 5-5

Check PTO to be sure it
is engaged. Check for
sheared key on pump
shaft.

MAINTENANCE

Spongy or jerky action of
cylinders and/or noisy
operation.

CORRECTIVE ACTION

MAINTENANCE
POSSIBLE CAUSE

If spool cap contains oil,
replace spool seal o-ring.
Check for restriction from
valve out port reservoir.
See Fig. 6, item 23.

Broken return springs.

Return springs. See Fig.
6, items 2 & 5.

Bent spool.

Return for factory repair
or replace with new spool
section. See Fig. 6,
items 38, 39, 40.

Foreign particles.

Clean system and valve.

Check linkage for binding
Misalignment of
control handle linkage. condition. Fig. 6, items 8,
11, 12.

Spool not moved to
full stroke.

Spool travel should be
265" either way or 53"
total. See Fig. 11, items
38, 39, 40.

Relief valve setting in
control valve too low
or defective.

Pressure should be 2500
PSI. Clean or overhaul
relief valve or replace
cartridge. See Fig. 11,
item 18.

CORRECTIVE ACTION

Restrictor in cylinder
ports are plugged.

Check restrictors for
debris and clean. See
Fig. 11, item 3.

Hoses plumbed incorrectly.

Check hose plumbing.
See Fig. 11.

Excessive hydraulic
Do not move tractor
pressure due to tractor unless backhoe is up in
mechanical forces.
transport position and
backhoe can not contact
ground.

Disassemble and remove
After valve has been
lubricant from around orepaired, grease
rings.
lubrication on o-rings
between sections
cause spools to bind
due to valve distortion.

Valve studs are not
torqued to 15 ft. lbs.
Distortion causes
spool to bind or orings to extrude.

Check studs for proper
torque.

This valve is a precision device and is not intended for
extensive field adjustment or repair. Field replacement

Work port relief valve
in control valve stuck
open or
malfunctioning.

Clean relief or replace
cartridge. Do not disturb
pressure setting. See
Fig. 6, items 16, 17, 41.

parts are limited to seal kits, cartridges, valve sections

Worn control valve.

Replace control valve.

relief valve with the use of a good pressure gauge,

Load check poppet in
control valve not
holding.

Clean check poppet(s)
carefully. Ensure free
movement and proper
seating or replace check
poppet(s). See Fig. 6,
item 26.

valve should be returned for service.

MAINTENANCE

Oil leakage past spool
seal into spool cap.

POSSIBLE CAUSE

CORRECTIVE ACTION

Damaged or worn
spool seals.

Replace spool end seals.
See Fig. 6, item 23.

Check ball in anticavitation is stuck or
not seated properly.

Clean anti-cavitation
valve carefully. Assure
that checks move freely
and seat properly or
replace cartridge. See
Fig. 6, item 17.

Valve cap and center
return mechanism
binding.

F3788-7-04
© 2004 Alamo Group Inc.

Loosen screws holding
cap on valve. See Fig. 6,
items 2 & 5. Operate
valve spool and retighten
screws.

and tie rod ends. Beyond replacement of these parts,
opening of check cavities and certain relief valve
cavities to examine for trapped dirt, or resetting main

Dirt and shreds of packing material are the usual causes
of valve malfunction. Be sure that oil supply is kept clean.
Use only factory supplied packings in cylinder repair.
Fittings and hoses must be clean before being removed.
Pages 5-7 & 5-8 explain proper valve repair procedure.
Pages 5-9, 6-16 &6-17

illustrate valve and lists repair

parts.
NOTE: Pay close attention to all caution warning notes so
valve will not have to be returned to manufacturer for
reconditioning.

Troubleshooting guide is designed to help qualified
individuals, with valve service training, correct minor
problems which may develop. If valve is under warranty
do not attempt disassembly for repairs. Contact your
authorized dealer.

Maintenance Section 5-6

MAINTENANCE
VALVE SERVICE

SPOOL SEAL REMOVAL

REPLACING SECTIONS

1. Remove handle assembly. Center two sections -

For clarification, the inlet cover [cover containing main
relief cartridge (18) ] will be called the left end of the valve
assembly.

Remove clevis pin from spool.
2. Remove bonnet and spool positioner assembly from
rear of the work section.

Reassemble valve on a flat surface to insure proper
section alignment.
1. Remove

handle

assembly

from

section

being

removed.

4. Before disassembly, mark each section numerically to

(outlet cover) end of valve.

NOTE: Refer to Replacing Section Seals if seals need to
be replaced.

WARNING: Do not prelube O-ring section
can

distort

Compression

valve

causing

carefully running your finger around exposed edge of
twists.

7. Replace sections as needed. Reassemble valve.

installation.

(front) seal groove of valve housing. Verify seal fit by
seal. Seal should have a perfect ridge with no kinks or

6. Slide outlet cover and each section off tie rods.

lubricants

SPOOL SEAL INSTALLATION
1. Lightly oil and insert one new spool seal in handle end

avoid incorrect reassemble.
5. Remove four hex nuts and lock washers from right

damage spool bore and sealing surfaces.
of spool.

3. Thoroughly clean valve assembly.

prior

4. Remove old spool seals. Be careful not to scratch or
5. Thoroughly clean both seal grooves and exposed end

2. Remove valve from backhoe.

seals

3. Carefully slide spool out of valve housing.

2. Lightly oil valve spool and, starting from positioner end
(rear), reintroduce spool into valve housing.
3. Slowly push spool past seal with a twisting motion.
Stop when seal groove is exposed on positioner end.

CAUTION: Do not pull spool too far, as this

spool

will allow seal in front groove to enter a spool

binding.

groove.

8. Torque stud nuts evenly to 15ft. Lbs .

Seal

may

cut

when

spool

pushed back.

CAUTION: If stud nuts are not tightened to

4. Lightly oil and insert remaining spool seal in bonnet

proper torque, valve spools may bind or stick,

end seal groove. Verify seal fit by carefully running your

or cause O-ring seals to extrude.

finger around exposed edge of seal. Seal should have

9. Reinstall handle assembly. Use locite 242 (blue) on all

a perfect ridge with no kinks or twists.
5. Return spool to center position with a twisting motion.

screws.

6. Reattach spool positioner. Use loctite 242 (blue) thread

REPLACING SECTION SEALS

locking compound on spool screw holding positioner
parts to spool. Be careful not to over torque this screw

2. Remove old O-ring section seals. Be careful not to

and twist it off. Use 7ft. lb. maximum torque. Slide

scratch or otherwise damage sealing surface areas.
3. Thoroughly clean O-ring counter bores and surfaces of
4. Place valve assembly on a flat surface for reassembly.
5. Replace four O-ring seals. Seal Kit contains the
of

section

bonnet screws to 5-7 ft. Lbs.
7. Replace spool clevis pin and handle assembly.

each valve section.

number

bonnet in place. Replace bonnet screws. Torque

seals

required

for

one

work

section/inlet cover.
6. Replace work sections on assembly studs in reverse
order in which they were removed. O-ring counter

REPLACING DAMAGED BACKUP RINGS

Backup rings are installed at the factory using a special
sizing tool.
Do not replace backup rings offered in seal kits unless
original ring has been damaged.

bores (with O-rings in place) should be to your right
(downstream side of section) with inlet cover on your
left.
NOTE: Use care when sliding work sections on tie rods
to avoid dislodging O-rings.

7. When all work sections and outlet cover are positioned
on the assembly studs, replace lock washers and nuts.
8. Support alve on valve mounting brackets (Item 24,
p.22). Tap all sections downward with rubber mallot to

1. If backup ring must be replaced, cut replacement
backup ring as shown.
CAUTION: Make only one diagonal cut in

align sections evenly against rods.

backup ring. Do not cut backup ring into two

8. Torque stud nuts evenly 15ft. Lbs.

pieces.

2. Slip backup ring over cartridge and into place.

F3788-7-04
© 2004 Alamo Group Inc.

Maintenance Section 5-7

MAINTENANCE

1. Disassemble valve as described in previous section.

MAINTENANCE
INSTALLING SC SPOOL POSITIONER KIT (Item 2)

4. Clean threads with Loctite Primer and install using
Loctite 262 for handle ends and Loctite 242 for

AND FLOAT POSITIONER KIT (Item 5)
1. Remove socket head cap screws and bonnet from
section.
2. Remove spool from section. Follow instructions in
Spool Seal Removal section except do not remove
seals.

positioner ends.
5. Replace spool in section. Refer to instructions in
Spool Seal Installation section.

RELIEF VALVE CARTRIDGE TABLE

3. Replace parts in spool positioner kit.
NOTE: Spool screw on end of spool is loctited in place. Do
not replace unless it is damaged. If spool screw must be
replaced, refer to Replacing Spool Ends Section.

4. Replace spool in section. Refer to instructions in

Relief Location Function
type
Main Inlet
Protect all
section* functions of
backhoe

PSI

Spool Seal Installation section.

Port
relief

5. Replace bonnet and socket head cap screws.
REPLACING SPOOL ENDS - CENTER TWO
SECTIONS
Spool extensions (handle end) are installed at the factory

Port
relief

using Loctite 262. Spool screws (positioner end) are
installed at the factory using Loctite 242. Do not replace
them unless they are damaged. Use following procedure
to replace them.
1. Remove spool from section. Follow instructions in
Spool Seal Removal Section except do not remove
seals.

Port
relief
Port
relief

2. Clamp spool using vice grips on land section of spool

Port
relief

not machined for valve bore.
3. Unscrew damaged end.

MAINTENANCE

NOTE: Heat may be applied to loosen Loctite.

1A: ROD END BOOM CYLINDER
1B: BASE END BOOM CYLINDER
2A: ROD END RIGHT SWING CYLINDER
2B: ROD END LEFT SWING CYLINDER
3A: ROD END LEFT STABILIZER CYLINDER
3B: BASE END LEFT STABILIZER CYLINDER
4A: ROD END RIGHT STABILIZER CYLINDER
4B: BASE END RIGHT STABILIZER CYLINDER
5A: BASE END BUCKET CYLINDER
5B: ROD END BUCKET CYLINDER
6A: BASE END DIPPERSTICK CYLINDER
6B: ROD END DIPPERSTICK CYLINDER

PILOT
OPERATED
LOCK VALVES
(TOP AND
BOTTOM)

PORT RELIEF
2650 PSI
PRESSURE
O-RINGS
EXHAUST
O-RING

2500 Plug gauge
directly into
stabilizer work
section and
operate stabilizer
3500 A porta-power
with an oil
pressure guage
is required.
2650 Install portapower pressure
hose directly
into working port
2650 of relief to be
checked.
Pressurize
porta-power and
observe
2650 maximum
pressure
attained. Port
reliefs should
2650 “crack” at or
down to 200 PSI
below specified
relief setting.

PORT RELIEF
W/ ANTI CAVITATION
2650 PSI

PORT RELIEF
3500 PSI
MAIN RELIEF
2500 PSI
OUTLET PORT
3/4-16 O.R.

OUTLET PORT
3/4-16 O.R.
MACHINED TO
ACCEPT POWER
BEYOND SLEEVE

OUTLET
SECTION

Section 1, Protect
A port*
backhoe from
bucket digging
induced loads
Section 1, Protect
B port*
backhoe from
bucket digging
induced loads
Section 2, Protect swing
A&B
cylinder circuit
ports*
from shock
loading
Section 5, Protect
A port*
backhoe from
bucket digging
induced loads
Section 6, Protect
A port*
backhoe from
bucket digging
induced loads

How to test

EXHAUST
O-RING

PORT RELIEF
W/ ANTI CAVITATION
LOAD
CHECK 2650 PSI
FLOAT
SECTION
FLOW DIRECTION

Maintenance Section 5-8

INLET PORT
3/4-16 O.R.
INLET
SECTION
PORT RELIEF
2650 PSI

MAINTENANCE

Maintenance Section 5-9

MAINTENANCE
GENERAL TORQUE SPECIFICATIONS
USE THE FOLLOWING TORQUES WHEN SPECIAL TORQUES ARE NOT GIVEN
AMERICAN STANDARD CAP SCREWS

SAE

Grade

Cap

TORQUE

Screw
Size

MAINTENANCE

METRIC CAP SCREWS

FT-LBS

Metric Class

TORQUE
Nm

8.8

Cap Screw

FT-LBS

10.9

TORQUE

Size

FT-LBS

TORQUE
Nm

FT-LBS

Inches

MIN

MAX

MIN

MAX

MIN

MAX

MIN

MAX

Millimeters

MIN

MAX

MIN

MAX

MIN

MAX

MIN

1/4-20

6.25

7.25

8.5

8.25

9.5

M6x100

MAX
15

1/4-28

10.5

M8 x 1.25

215

36.5

5/16 - 18

18.5

M10 x 1.50

5/16 - 24

17.5

M12 x 1.75

102

123

3/8 - 16

47.5

M14 x 2.00

103

115

139

120

146

163

198

3/8 - 24

55.5

M16 x 2.50

130

158

176

214

176

216

238

293

7/16 - 14

555

74.5

M18 x 2.50

172

210

233

284

240

294

325

398

7/16 - 20

745

102

M20 x 2.50

247

301

335

408

343

426

465

577

½ - 13

975

116

130

M22 x 2.50

332

404

450

547

472

576

639

780

½ - 20

103

114

102

112

138

152

MM24 x 3.00

423

517

573

700

599

732

812

992

9/16 - 12

105

129

142

127

140

172

190

M27 x 3.00

637

779

863

1055

898

1098

1217

1488

M30 x 3.00

872

1066

1181

1444

1224

1496

1658

2027

9/16 - 18

111

123

150

167

148

164

200

222

5/8 - 11

126

139

171

188

168

185

228

251

5/8 - 18

152

168

206

228

203

224

275

304

NOTE:

¾ - 10

238

262

322

355

318

350

431

474

received from the supplier, dry or when lubricated

¾ - 16

274

305

371

409

365

402

495

544

with normal engine oil. They do not apply if

7/8 - 9

350

386

474

523

466

515

631

698

special graphite or molydisulphide greases or

7/8 -14

407

448

551

607

543

597

736

809

other extreme pressure lubricants are used.

1 - 8

537

592

728

802

716

790

970

1070

1 - 14

670

740

908

1003

894

987

1211

1337

These

Torque Specifications for
37º JIC Fittings

values

-4

Thread
Size

ft. lb.

Connection
F.F.F.T.
2

Swivel Nut
or Hose
Connection
F.F.F.T.

7/16-20

140 ± 10

12 ± 1

-5

1/2-20

180 ± 15

15 ± 1

-6

9/16-18

250 ± 15

21 ± 1

1 1/2

1 1/4

-8

3/4-16

550 ± 25

45 ± 5

1 1/2

-12

1 1/16-12

1000 ± 50

85 ± 5

1 1/4

-16

1 5/16-12

1450 ± 50

120 ± 5

-20

1 5/8-12

2000 ± 100

170 ± 10

-24

1 7/8-12

2400 ± 150

200 ± 15

-32

2 1/2-12

3200 ± 200

270 ± 20

F3788-7-04

fasteners

Assembly Torque
Tube

in. lb.

Torque Specifications for
SAE O-Ring Fittings

Assembly Torque

Size

apply

Size

Thread
Size

in. lb.

ft. lb.

F.F.F.T.

5/16-24

90 ± 5

7.5 ± 0.5

1 ± .25

3/8-24

170 ± 10

14 ± 1

1 ± .25

7/16-20

220 ± 15

18 ± 1

1 ± .25

1/2-20

260 ± 15

22 ± 1

1 ± .25

9/16-18

320 ± 20

27 ± 2

1.5 ± .25

3/4-16

570 ± 25

48 ± 2

1.5 ± .25

7/8-14

1060 ± 50

90 ± 5

1.5 ± .25

1 1/16-12

1300 ± 50

110 ± 5

1.5 ± .25

1 3/16-12

1750 ± 75

145 ± 6

1.5 ± .25

1 5/16-12

1920 ± 25

160 ± 6

1.5 ± .25

1 5/8-12

2700 ± 150

225 ± 12

1.5 ± .25

1 7/8-12

3000 ± 150

250 ± 12

1.5 ± .25

2 1/2-12

3900 ± 200

325 ± 15

1.5 ± .25

Maintenance Section 5-10

RHINO

LIMITED WARRANTY
1. LIMITED WARRANTIES

1.01.

Servis-Rhino warrants for one year from the purchase date to the original non-commercial, governmental, or municipal
purchaser (Purchaser) and warrants for six months to the original commercial or industrial purchaser (Purchaser)
that the goods purchased are free from defects in material or workmanship.

1.02.

Manufacturer will replace for the Purchaser any part or parts found, upon examination at one of its factories, to be

1.03.

This limited warranty does not apply to any part of the goods which has been subjected to improper or abnormal use,

defective under normal use and service due to defects in material or workmanship.
negligence, alteration, modification, or accident, damaged due to lack of maintenance or use of wrong fuel, oil, or
lubricants, or which has served its normal life. This limited warranty does not apply to any part of any internal
combustion engine, or expendable items such as blades, shields, guards, or pneumatic tires except as specifically
found in your Operators Manual.
1.04.

Except as provided herein, no employee, agent, Dealer, or other person is authorized to give any warranties of any
nature on behalf of Manufacturer.

2. REMEDIES AND PROCEDURES.

2.01.

This limited warranty is not effective unless the Purchaser returns the Registration and Warranty Form to

2.02.

Purchaser claims must be made in writing to the Authorized Dealer (Dealer) from whom Purchaser purchased the

Manufacturer within 30 days of purchase.
goods or an approved Authorized Dealer (Dealer) within 30 days after Purchaser learns of the facts on which the
claim is based.
2.03.

Purchaser is responsible for returning the goods in question to the Dealer.

2.04.

It after examining the goods and/or parts in question, Manufacturer finds them to be defective under normal use and
service due to defects in material or workmanship, Manufacturer will:
(a)

Repair or replace the defective goods or part(s) or

(b)

Reimburse Purchaser for the cost of the part(s) and reasonable labor charges (as determined by
Manufacturer) if Purchaser paid for the repair and/or replacement prior to the final determination of applicability
of the warranty by Manufacturer.

The choice of remedy shall belong to Manufacturer.
2.05.

Purchaser is responsible for any labor charges exceeding a reasonable amount as determined by Manufacturer and
for returning the goods to the Dealer, whether or not the claim is approved. Purchaser is responsible for the
transportation cost for the goods or part(s) from the Dealer to the designated factory.

3. LIMITATION OF LIABILITY.

3.01.

MANUFACTURER DISCLAIMS ANY EXPRESS (EXCEPT AS SET FORTH HEREIN) AND IMPLIED WARRANTIES
WITH RESPECT TO THE GOODS INCLUDING, BUT NOT LIMITED TO, MERCHANTABILITY AND FITNESS FOR

A PARTICULAR PURPOSE.
3.02.

MANUFACTURER MAKES NO WARRANTY AS TO THE DESIGN, CAPABILITY, CAPACITY, OR SUITABILITY
FOR USE OF THE GOODS.

3.03.

EXCEPT AS PROVIDED HEREIN, MANUFACTURER SHALL HAVE NO LIABILITY OR RESPONSIBILITY TO
PURCHASER OR ANY OTHER PERSON OR ENTITY WITH RESPECT TO ANY LIABILITY, LOSS, OR DAMAGE
CAUSED OR ALLEGED TO BE CAUSED DIRECTLY OR INDIRECTLY BY THE GOODS INCLUDING, BUT NOT
LIMITED TO, ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR INCIDENTAL DAMAGES RESULTING FROM
THE USE OR OPERATION OF THE GOODS OR ANY BREACH OF THIS WARRANTY. NOT WITHSTANDING THE
ABOVE LIMITATIONS AND WARRANTIES, MANUFACTURERS LIABILITY HEREUNDER FOR DAMAGES
INCURRED BY PURCHASER OR OTHERS SHALL NOT EXCEED THE PRICE OF THE GOODS.

3.04.

NO ACTION ARISING OUT OF ANY CLAIMED BREACH OF THIS WARRANTY OR TRANSACTIONS UNDER
THIS WARRANTY MAY BE BROUGHT MORE THAN TWO (2) YEARS AFTER THE CAUSE OF ACTION HAS
OCCURRED.

4. MISCELLANEOUS.

4.01.

Proper Venue for any lawsuits arising from or related to this limited warranty shall be only in Guadalupe County,Texas.

4.02.

Manufacturer may waive compliance with any of the terms of this limited warranty, but no waiver of any terms shall be

4.03.

If any provision of this limited warranty shall violate any applicable law and is held to be unenforceable, then the

4.04.

Applicable law may provide rights and benefits to purchaser in addition to those provided herein.

deemed to be a waiver of any other term.
invalidity of such provision shall not invalidate any other provisions herein.

KEEP FOR YOUR RECORDS
ATTENTION: Purchaser should fill in the blanks below for his reference when buying repair parts and/or for proper machine
identification when applying for warranty.
Rhino Implement Model ________________________ Serial Number_________________________
Date Purchased_______________________________ Dealer_______________________________

RHINO
ATTENTION:
READ YOUR OPERATORS MANUAL

Member of the Alamo Group
1020 S. Sangamon Ave.
Gibson City, IL 60936

800-446-5158

TO THE OWNER/OPERATOR/DEALER

In addition to the standard Limited Warranty shown on the facing page, Rhino also provides:
1. A TWO-YEAR (24 months) LIMITED WARRANTY* on non-perishable structural items such as: Loader
Boom, Side Frames, Mount Brackets, Backhoe Boom, Dipper, Main Frame, Stabilizer Legs, Swing
Bracket, Subframe and Related Mounting Brackets provided they have not been subjected to abuse or misuse and have been properly maintained as noted.
NOTE – “properly maintained” specifically includes, but is not limited to:
A) Regular lubrication.
B) Using proper amounts of correct hydraulic fluid.
C) Regular torque inspection of all fasteners.

2. *WARRANTY LIMITATIONS – Warranty is ONE-YEAR (12 months) for hydraulic cylinders and seals, pivot
pins, wear bushings, hydraulic hoses, buckets or other attachments, wear or cutting edges and tooth bars.
After one year (12 months) standard warranty, these items are considered “Wearing Perishable Parts” and
replacement is the users’ responsibility.

TO THE OWNER/OPERATOR/DEALER
To keep your implement running efficiently and safely, read your manual thoroughly
and follow these directions and the Safety Messages in this Manual. The Table of
Contents clearly identifies each section where you can easily find the information you
need.
The OCCUPATIONAL SAFETY AND HEALTH ACT (1928.51 Subpart C) makes
these minimum safety requirements of tractor operators:
REQUIRED OF THE OWNER:
1. Provide a Roll-Over-Protective Structure that meets the requirements of
this Standard; and
2. Provide Seatbelts that meet the requirements of this paragraph of this
Standard and SAE J4C; and
3. Ensure that each employee uses such Seatbelt while the tractor is moving;
and
4. Ensure that each employee tightens the Seatbelt sufficiently to confine the
employee to the protected area provided by the ROPS.
REQUIRED OF THE OPERATOR
1. Securely fasten seatbelt if the tractor has a ROPS.
2. Where possible, avoid operating the tractor near ditches, embankments,
and holes.
3. Reduce speed when turning, crossing slopes, and on rough, slick, or
muddy surfaces.
4. Stay off slopes too steep for safe operation.
5. Watch where you are going especially at row ends, on roads, and around
trees.
6. Do not permit others to ride.
7. Operate the tractor smoothly no jerky turns, starts, or stops.
8. Hitch only to the drawbar and hitch points recommended by the tractor
manufacturer.
9. When the tractor is stopped, set brakes securely and use park lock, if
available.

Keep children away from danger all day, every day...
Equip tractors with rollover protection (ROPS)
and keep all machinery guards in place...
Please work, drive, play and live each day with care
and concern for your safety and that of your family
and fellow citizens
© 2004 Alamo Group Inc.

95HD-SOM-7-04
Printed U.S.A.

P/N F-3788

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