Ariens 911044 062 Users Manual OM0400 Serial# DecalFull Vi

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2015-01-24

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TABLE OF CONTENTS
Section 1 - Introduction . . . . . . . . . . . . . . . . .
1.1 The Manual . . . . . . . . . . . . . . . . . . . . . . .
1.2 Service and Replacement Parts . . . . . . .
1.3 Product Registration . . . . . . . . . . . . . . . .
1.4 Unauthorized Replacement Parts . . . . . .
1.5 Disclaimer . . . . . . . . . . . . . . . . . . . . . . . .
1.6 Technical Service Communications . . . . .

1-3
1-3
1-3
1-3
1-3
1-3
1-3

Section 2 - Safety
2.1 Safety Alerts . . . . . . . . . . . . . . . . . . . . . .
2.2 Signal Words . . . . . . . . . . . . . . . . . . . . . .
2.3 Notations . . . . . . . . . . . . . . . . . . . . . . . . .
2.4 Practices and Laws . . . . . . . . . . . . . . . . .
2.5 Required Operator Training . . . . . . . . . . .
2.6 Preparation . . . . . . . . . . . . . . . . . . . . . . .
2.7 Cleaning and Storage . . . . . . . . . . . . . . .
2.8 Safety Rules . . . . . . . . . . . . . . . . . . . . . .

Section 5 - Engine . . . . . . . . . . . . . . . . . . . . . .5-27
5.1 Engine Troubleshooting . . . . . . . . . . . . . .5-27
5.2 Engine Service Locations . . . . . . . . . . . .5-28
5.3 Engine Oil . . . . . . . . . . . . . . . . . . . . . . . .5-29
5.4 Air Cleaner . . . . . . . . . . . . . . . . . . . . . . . .5-29
5.5 Engine Cooling. . . . . . . . . . . . . . . . . . . . .5-31
5.6 Spark Plug . . . . . . . . . . . . . . . . . . . . . . . .5-31
5.7 Battery (Electric Start Model) . . . . . . . . . .5-31

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

Section 6 - Mower Deck . . . . . . . . . . . . . . . . .6-32
6.1 Blade Brake/clutch Removal . . . . . . . . . .6-32
6.2 Drive Belt Replacement . . . . . . . . . . . . . .6-33
6.3 Idler Removal. . . . . . . . . . . . . . . . . . . . . .6-33
6.4 Wheels And Adjusters . . . . . . . . . . . . . . .6-33

Section 3 - Specifications . . . . . . . . . . . . . . . 3-8

Section 8 - Electrical . . . . . . . . . . . . . . . . . . . .8-39
8.1 Battery (Electric Start Models) . . . . . . . . .8-39
8.2 Wiring Diagram . . . . . . . . . . . . . . . . . . . .8-39
8.3 Continuity Diagram . . . . . . . . . . . . . . . . .8-39

Section 7 - Handlebars & Controls . . . . . . . .7-37
7.1 Handlebars And Bails . . . . . . . . . . . . . . .7-37
7.2 Speed Control Bell Crank . . . . . . . . . . . .7-37

Section 4 - General Maintenance &
Adjustments. . . . . . . . . . . . . . . . . . . . . . . .4-21
4.1 Controls and Features . . . . . . . . . . . . . . .4-21
4.2 Service Positions . . . . . . . . . . . . . . . . . . .4-22
4.3 Filling The Fuel Tank . . . . . . . . . . . . . . . .4-22
4.4 General Lubrication . . . . . . . . . . . . . . . . .4-22
4.5 Check Mower Blade. . . . . . . . . . . . . . . . .4-23
4.6 Check Drive Belt . . . . . . . . . . . . . . . . . . .4-23
4.7 Check Engine/Blade Control . . . . . . . . . .4-23
4.8 Check Grass Bag. . . . . . . . . . . . . . . . . . .4-24
4.9 Check Drive Control. . . . . . . . . . . . . . . . .4-24
4.10 Handlebar Adjustment . . . . . . . . . . . . . .4-25
4.11 Speed Control Bell Crank. . . . . . . . . . . .4-25
4.12 Friction Wheel Adjustment. . . . . . . . . . .4-26

Section 9 - Friction Drive System & Axle. . .9-40
9.1 Introduction . . . . . . . . . . . . . . . . . . . . . . .9-40
9.2 Gear Removal . . . . . . . . . . . . . . . . . . . . .9-40
9.3 Axle Removal. . . . . . . . . . . . . . . . . . . . . .9-40
9.4 Drive Mount Removal . . . . . . . . . . . . . . .9-40
9.5 Drive Mount Disassembly . . . . . . . . . . . .9-40
9.6 Friction Wheel Replacement . . . . . . . . . .9-40
9.7 Drive Disk Removal . . . . . . . . . . . . . . . . .9-41
Section 10 - Gear Drive System & Axle. . . . 10-43
10.1 Introduction . . . . . . . . . . . . . . . . . . . . . 10-43
10.2 Transmission Replacement . . . . . . . . . 10-43

SECTION 1 - INTRODUCTION
1.1 THE MANUAL

1.5 DISCLAIMER

Before operation of unit, carefully and completely read
your manuals. The contents will provide you with an
understanding of safety instructions and controls
during normal operation and maintenance.

Ariens reserves the right to discontinue, make changes
to, and add improvements upon its products at any
time without public notice or obligation. The
descriptions and specifications contained in this
manual were in effect at printing. Equipment described
within this manual may be optional. Some illustrations
may not be applicable to your unit.

All reference to left, right, front, or rear are given from
the operation position, facing the direction of forward
travel.

1.2 SERVICE AND REPLACEMENT PARTS
When ordering replacement parts or making service
inquiries, know the Model and Serial numbers of your
unit and engine.
Numbers are located on the product registration form in
the unit literature package. They are also printed on a
serial number label, located on the frame of your unit
(Figure 1).

Serial Number

1.6 TECHNICAL SERVICE
COMMUNICATIONS
Ariens Technical Service communicates information to
the field using Service Letters, Service Bulletins,
Product Notices, and Campaigns. Each
communication signifies a type of information and
priority. The dealer is responsible to carry out the
directive provided in the communication. The types of
communication are:
Service Letter - General technical information for the
dealer. Technical information on how to service the
product and product improvements.
Service Bulletin - Notification to update products to
resolve certain issues or a notification of a policy
change.
Product Notices - Notification of limited product
located in a certain region. This is a limited distribution
to only those who received the product involved.
Campaigns - Notification of a safety related issue. All
product must be updated and are tracked by the
factory until all units are corrected.

Figure 1

1.3 PRODUCT REGISTRATION
A warranty registration card must be filled out by the
Ariens dealer, signed, and returned at time of sale. This
card activates the warranty. Claims meeting
requirements during limited warranty period will be
honored.

1.4 UNAUTHORIZED REPLACEMENT
PARTS
Use only Ariens replacement parts. The replacement of
any part on this unit with anything other than Ariens
authorized replacement parts may adversely affect the
performance, durability, or safety of this unit and may
void the warranty. Ariens disclaims liability for any
claims or damages, whether warranty, property
damage, personal injury, or death arising out of the use
of unauthorized replacement parts.

1-3

SECTION 2 - SAFETY
2.6 PREPARATION

2.1 SAFETY ALERTS
Look for these symbols to point out
important safety precautions. They
mean:

Before starting any removal of parts, proper
preparation is very important for efficient work. A clean
work area at the start of each job will allow you to
perform service repairs easily and quickly.

Attention!
Personal Safety Is Involved!
Become Alert!
Obey The Message!

To reduce the incidence of misplaced tools or parts,
place removed components with all attaching hardware
in the disassembly order on a clean work surface.
Organization is a key part of proper reassembly.
Tools, instruments, and parts needed for the job should
be gathered before work is started. Interrupting a job to
locate tools or parts is a needless delay.

2.2 SIGNAL WORDS
The safety alert symbol is used in decals on the unit
and with proper operation procedures in this manual.
They alert you to the existence and relative degree of
hazards.

CAUTION: Remove enough fuel so that no
spillage will occur. Remove battery to prevent
spillage of electrolyte.

Understand the safety message. It contains important
information about personal safety on or near the unit.

2.7 CLEANING AND STORAGE

DANGER: IMMINENTLY HAZARDOUS
SITUATION! If not avoided, WILL RESULT in
death or serious injury.

WARNING: AVOID SHARP EDGES which
can cut. Movement of parts can cut off fingers
or a hand. Wear gloves, and use extreme
caution when servicing.

WARNING: POTENTIALLY HAZARDOUS
SITUATION! If not avoided, COULD RESULT
in death or serious injury.

IMPORTANT: Never spray unit with water or store unit
outdoors to help prevent sealed bearing rust or
corrosion. Water can seep into sealed bearings and
reduce component life. Bearings are sealed against dirt
and debris only.

CAUTION: POTENTIALLY HAZARDOUS
SITUATION! If not avoided, MAY RESULT in
minor or moderate injury. It may also be used
to alert against unsafe practices.

2.3 NOTATIONS
NOTE: General reference information for proper operation and maintenance practices.
IMPORTANT: Specific procedures or information
required to prevent damage to unit or attachment.

A unit that is excessively dirty should be cleaned
before work starts. Cleaning will occasionally uncover
trouble sources. Dirt and abrasive dust reduce the
efficient work life of parts and can lead to costly
replacement.

2.4 PRACTICES AND LAWS
Practice usual and customary safe working
precautions, for the benefit of yourself and others.
Understand and follow all safety messages. Be alert to
unsafe conditions and the possibility of minor,
moderate, or serious injury or death. Learn applicable
rules and laws in your area.

2.5 REQUIRED OPERATOR TRAINING
Original purchaser of this unit was instructed by the
seller on safe and proper operation. If unit is to be used
by someone other than original purchaser; loaned,
rented or sold, ALWAYS provide this manual and any
needed safety training before operation.

2-4

DO NOT pull mower backwards unless absolutely
necessary. Look down and back before and while
moving backwards.

When taking unit out of extended storage:
1. Check for any damage or loose parts. Repair,
replace, or tighten hardware before operation.

DO NOT start the engine or operate mower unless
either the Side Discharge Opening Cover or the Side
Discharge Deflector is installed.

2. If a preservative fluid was used in fuel tank, drain
and discard. Fill fuel tank with fresh new fuel.

2.8 SAFETY RULES

Keep the area of operation clear of all persons,
children and pets.

Walk Around Inspection

ALWAYS clear area before operation to avoid thrown
objects.

Complete a walk around inspection of unit and work
area to understand:

Stop mower if anyone enters the area.

• Work area.

Keep safety devices or guards in place and functioning
properly. NEVER modify or remove safety devices.

• Your unit.
• All safety decals.

ALWAYS keep hands away from all rotating parts
during operation.

Work Area
ALWAYS check overhead and side clearances
carefully before operation. ALWAYS be aware of traffic
when operating along streets or curbs.
ALWAYS keep hands and feet within the limits of the
unit.

ALWAYS keep feet and hands away from all rotating
parts during operation. Rotating parts can cut off body
parts.

Keep children, people, and animals away. Keep
children out of work area and under watchful care of a
responsible adult.

DO NOT mow at too fast a rate. DO NOT change
engine governor setting or over-speed the engine.

Keep area of operation clear of all toys, pets, and
debris. Stay alert for hidden hazards.
Clear work area of objects which might be picked up
and thrown. Remove all stones, sticks, wires, and other
foreign objects. Tall grass can hide obstacles.
DO NOT run engine in an enclosed area. Always
provide good ventilation.

Unit
ALWAYS keep protective structures, guards, and
panels in good repair, in place and securely fastened.
NEVER modify or remove safety devices.
Check Safety Interlock System for proper operation
daily (see Operation section). Do not operate unless
system operates properly.
Keep equipment in good condition.
ALWAYS keep discharge cover in place.
NEVER operate the engine with the Rear Door open
unless the Grass Bag is in place.
When mulching, the Side Discharge Opening Cover
must be installed and the Rear Door fully closed
whenever the engine is operating.

Operation
Understand:
• How to operate all controls
• The functions of all controls
• How to STOP in an Emergency
• Speed ranges

Do not put hands or feet near or under rotating parts.
Keep clear of the discharge opening and mower pan at
all times. NEVER open the Rear Door without the
Grass Bag in place when the engine is operating.

ALWAYS operate unit when there is good visibility and
light.
Use extra care when approaching blind corners,
shrubs, trees, or other objects which may obscure
vision.
ALWAYS be sure of your footing.
Do not operate mower in wet grass. Always be sure of
your footing. Keep a firm hold on handlebar. Walk,
never run.
If equipment vibrates abnormally, stop engine at once,
wait for moving parts to stop and remove wire from
spark plug. Repair any damage before restarting unit.
Avoid uneven work areas and any rough terrain.
Be familiar with area of operation. Stay alert for holes,
rocks, roots, and hidden hazards in area of operation.
Operator could lose footing or balance.
DO NOT operate on steep slopes.
NEVER leave unit unattended on a slope. Chock
wheels if parking on a slope.
Mow across the face of slopes, never up and down. Be
especially cautious when changing direction on slopes.
Remove the key when parking.
Take all possible precautions when leaving unit
unattended.
ALWAYS shut off engine, remove key and remove
spark plug wire to prevent accidental starting or
unauthorized use.

ALWAYS operate unit in good visibility and light.

2-5

Fuel is highly flammable and its vapors can explode.
Use ONLY approved fuel containers.
NO Smoking!
NO Sparks!
NO Flames!
Allow engine to cool before servicing.
NEVER fill fuel tank when engine is running, hot, or unit
is indoors.
Abnormal Vibrations are a warning of trouble. Striking a
foreign object can damage unit. Stop unit and engine.
Wait for all moving parts to stop. Remove wire from
spark plug. Inspect unit and make any necessary
repairs before restart.

Hazardous Slopes

Wear sturdy footwear. DO NOT operate mower
barefoot or when wearing open sandals or canvas
shoes.
Always wear safety goggles or safety glasses with side
shields when operating mower.
NEVER wear loose clothing, jewelry or long hair that
may get caught in rotating parts. Protect eyes, face and
head from objects that may be thrown from unit.
ALWAYS stand clear of discharge when operating unit.
Do not operate mower on gravel or on loose material
such as sand. Stop mower when crossing gravel
drives, walks, or roads, Objects may be picked up and
thrown, causing damage or injury.
Fumes from the engine exhaust can cause death or
serious injury. DO NOT run engine in an enclosed
area.

DO NOT operate on steep slopes. Avoid operating on
slopes. When you must operate on a slope, travel up
and down the slope. Never operate cross a slope.
Never operate on a slope greater than 10 degrees.

Service and Adjustments

Personal Safety

NEVER attempt to make any adjustments to unit while
engine is running. Stop engine, remove key,
disconnect spark plug wire and wait for all moving parts
to stop before servicing (except where specifically
recommended).

Read and obey all warning, caution, and instructions
on the unit and in provided manuals.

DO NOT make cutting height wheel adjustments while
the engine is running.

Child Safety
NEVER allow children to operate or play on or near
unit. Be alert and shut off unit if children enter area.

On self-propelled models, the wheel drive control will
cause the forward movement of the mower to stop. If
this feature fails to operate, disconnect ignition wire
and repair before using. Wheel drive must be
disengaged when starting engine.

• Only trained adults may operate unit.
• Training includes actual operation.
• Clearly understand instructions.
• Be alert! Conditions can change.
NEVER operate unit after or during the use of
medication, drugs or alcohol. Safe operation requires
your complete and unimpaired attention at all times.

Fuel is highly flammable and its vapors can explode.
ONLY use approved fuel containers.
• NO Smoking!

NEVER allow anyone to operate the unit when their
alertness or coordination is impaired.

• NO Sparks!

Avoid Sharp Edges. Sharp edges can cut. Moving
parts can cut or amputate fingers or a hand. Wear
gloves to service unit when handling sharp edges.

• Allow engine to cool before filling fuel tank.

• NO Flames!
Check fuel supply before starting engine.
DO NOT fill gasoline tank indoors, when engine is
running, or while engine is still hot.

ALWAYS keep hands away from any pinch points.
ALWAYS keep hands and feet away from all moving
parts during operation. Moving parts can cut off body
parts.

Allow engine to cool several minutes before removing
fuel cap.
Replace gasoline tank cap securely and clean up any
spilled fuel before starting engine.

DO NOT touch unit parts which might be hot from
operation. Allow parts to cool before attempting to
maintain, adjust, or service.
Keep children out of work area and under the watchful
care of an adult.
NEVER allow children to operate mower.
Turn the mower off if children enter the area.
NEVER direct discharge toward bystanders. The
operator is responsible for the safety of bystanders.

Stop engine, wait for moving parts to stop, remove
ignition wire and secure away from spark plug before
attempting to: unclog, repair, adjust, inspect or clean
unit.
To reduce fire hazard and overheating, keep
equipment free of grass, leaves, debris or excessive
lubricants.

Wear adequate safety gear, protective gloves and
footwear.

2-6

Battery

Spark Arrestor

Avoid Electric Shock. DO NOT remove wire from spark
plug while engine is running. Do not put battery in fire
or mutilate.

This product is equipped with an internal combustion
engine. DO NOT use on or near any unimproved,
forest or brush covered land unless the exhaust system
is equipped with a spark arrestor meeting applicable
local, state or federal laws. A spark arrestor, if used,
must be maintained in effective working order by the
operator. See your Ariens Dealer or engine
manufacturer’s service center.

Explosive Gases! Poisonous battery fluid contains
sulfuric acid. Contact with skin, eyes or clothing can
cause severe chemical burns.
No flames, No Sparks, No smoking, near battery.
ALWAYS wear safety glasses and protective gear near
battery.
ALWAYS KEEP BATTERIES OUT OF REACH of
children.

Maintenance
Follow engine manufacturer’s safety instructions when
servicing engine.
Keep all nuts, bolts, and screws tight and be sure
equipment is in safe working condition. Check all
hardware at regular intervals, especially blade
attachment bolts.
Use only replacement parts designed for your unit. See
your Ariens Dealer.
Worn out mufflers are more than just a noise nuisance
and should be replaced immediately. Continued use
could result in fire or explosion.
ALWAYS block wheels and know all jack stands are
strong and secure and will hold weight of unit during
maintenance.
Check grass bag for wear, damage, and/or
deterioration. Replace only with Ariens original
equipment replacement part for safety.

Storage
Allow engine to cool before storing in any enclosure.
Refer to Storage Section of the Owner’s Manual for
important instructions if unit is to be stored for
extended periods.
ALWAYS clean unit before extended storage. See
engine manual for proper storage.
DO NOT store unit before extended storage. See
engine manual for proper storage.
DO NOT store unit inside a building with fuel in the fuel
tank where ignition sources are present.

Safety Interlock System
Engine/Blade Control feature on mower will cause
engine and blade to stop whenever operator releases
control on handlebar. If feature fails to operate,
disconnect spark plug wire and adjust or have it
repaired before using unit.

Accessories
Use only accessories which have been approved by
Ariens and are properly installed.

2-7

SECTION 3 - SPECIFICATIONS

Model Number

911044

911045

911046

911047

Description Name

LM214SP

LM219SP

LM217SP

LM21SB

Tecumseh

Briggs

Tecumseh

Four

5.5

Engine Manufacture
Cycles
HP (3600RPM)
Fuel Tank Capacity - qt (L)

1.5 (1.4)

1.6 (1.5)

1.5 (1.4)

Fuel

Unleaded

Primer Bulb

Standard

N/A

Throttle/Choke Control
Starting
Cylinder Bore
Pressurized Oil System
Governed RPM
Crank Case Capacity - oz (L)

Recoil

Aluminum

Standard

N/A

Standard

N/A

2850+/-150

2900

2850+/-150

2900

27 (0.8)

20 (0.6)

27 (0.8)

Paper Element

Engine Oil Type

SAE 30

Spark Plug Gap

0.03

Air Cleaner

Differential

Standard

0-3.5 (0-5.6)

Mower Deck Gauge

14 Gauge Stamped
Steel

Baked Powder Paint

Standard

Cutting Width - in (cm)

21 (53.3)

Variable Speeds-MPH (KPH)

Cutting Height - in (cm)
Folding Handlebar
Adjustable Handlebar

6 Positions

1.2-3.5 (3.2-8.9)

Standard One Piece

4 Position

Front Wheel Diameter - in (cm)

7.5 (19.1)

Rear Wheel Diameter - in (cm)

10.5 (26.7)

Side Discharge

Standard

Bagger

Standard

With Kit

Mulching Capability

Attachments (* denotes it comes with unit)
Dethatcher

71102400

Mulchmaster Package

71102700

Leaf Shredder

71102800

Side Discharge Chute

71102900

Rear Bagger

71103000

Swivel Wheel Kit

71103300

Rear Discharge Chute

71103200

Rear Roller Kit

71103400

Mulching Kit

71103500

3-8

Model Number

911048

911049

911050

911051

Description Name

LM21SC

LM21

LM21S

LM21

Briggs

Tecumseh

Four

5.5

Engine Manufacture
Cycles
HP (3600RPM)
Fuel Tank Capacity - qt (L)

1.6 (1.5)

1 (0.9)

1.5 (1.4)

Fuel

Unleaded

Primer Bulb

Standard

Throttle/Choke Control
Starting
Cylinder Bore

Recoil

Cast Iron Sleeve

Aluminum

Pressurized Oil System

N/A

Governed RPM

2850

Crank Case Capacity - oz (L)

20 (0.6)

21 (0.6)

27 (0.8)

Dual Element

Paper Element

Engine Oil Type

SAE 30

Spark Plug Gap

0.03

Air Cleaner

Differential

Standard

N/A

Standard

N/A

0-3.5 (0-5.6)

N/A

0-3.5 (0-5.6)

N/A

Mower Deck Gauge

14 Gauge Stamped
Steel

Baked Powder Paint

Standard

Cutting Width - in (cm)

21 (53.3)

Variable Speeds-MPH (KPH)

Cutting Height - in (cm)
Folding Handlebar
Adjustable Handlebar

6 Positions

1.2-3.5 (3.2-8.9)

Standard One Piece

4 Position

Front Wheel Diameter - in (cm)

7.5 (19.1)

Rear Wheel Diameter - in (cm)

10.5 (26.7)

Side Discharge

Standard

Bagger

Standard

With Kit

Mulching Capability

Attachments (* denotes it comes with unit)
Dethatcher

71102400

N/A

Mulchmaster Package

71102700

Leaf Shredder

71102800

Side Discharge Chute

71102900

Rear Bagger

71103000

Swivel Wheel Kit

71103300

Rear Discharge Chute

71103200

Rear Roller Kit

71103400

Mulching Kit

71103500

3-9

Model Number

911052

911053

911054

911055

Description Name

LM216S

LM21C

LM21

AP211 SP

Tecumseh

Briggs

Tecumseh

Four

5.5

Engine Manufacture
Cycles
HP (3600RPM)
Fuel Tank Capacity - qt (L)

1.5 (1.4)

1.6 (1.5)

1 (0.9)

1.5 (1.4)

Fuel

Unleaded

Primer Bulb

Standard

N/A

Standard

Throttle/Choke Control
Starting
Cylinder Bore

Recoil

Aluminum

Cast Iron Sleeve

Aluminum

Pressurized Oil System

N/A

Governed RPM

2850

2900

3200

2850

Crank Case Capacity - oz (L)

27 (0.8)

20 (0.6)

21 (0.6)

Paper Element

Dual Element

Paper Element

Engine Oil Type

SAE 30

Spark Plug Gap

0.03

Air Cleaner

Differential

Standard

N/A

Standard

0-3.5 (0-5.6)

N/A

0-3.5 (0-5.6)

Mower Deck Gauge

14 Gauge Stamped
Steel

Baked Powder Paint

Standard

Cutting Width - in (cm)

21 (53.3)

Variable Speeds-MPH (KPH)

Cutting Height - in (cm)
Folding Handlebar
Adjustable Handlebar

6 Positions

1.2-3.5 (3.2-8.9)

Standard One Piece

4 Position

Front Wheel Diameter - in (cm)

7.5 (19.1)

Rear Wheel Diameter - in (cm)

10.5 (26.7)

Side Discharge

Standard

Bagger

Standard

With Kit

Mulching Capability

Attachments (* denotes it comes with unit)
Dethatcher

N/A

Mulchmaster Package

71102700

Leaf Shredder

71102800

Side Discharge Chute

71102900

N/A

Rear Bagger

71103000

N/A

Swivel Wheel Kit

71103300

N/A

Rear Discharge Chute

71103200

Rear Roller Kit

71103400

N/A

Mulching Kit

71103500

N/A

3 - 10

Model Number

911056

911057

911058

911059

Description Name

AP212 SP

LM2178 SP

AP 210

LM220 SP

Tecumseh

Briggs

Tecumseh

Four

4.5

5.5

Engine Manufacture
Cycles
HP (3600RPM)
Fuel Tank Capacity - qt (L)

1.5 (1.4)

1.6 (1.5)

1.5 (1.4)

Fuel

Unleaded

Primer Bulb

Standard

Throttle/Choke Control
Starting
Cylinder Bore

Recoil

Aluminum

Cast Iron Sleeve

Aluminum

Cast Iron Sleeve

Pressurized Oil System

N/A

Governed RPM

2850

2900

3200

2850

Crank Case Capacity - oz (L)

21 (0.6)

20 (0.6)

21 (0.6)

27 (0.8)

Paper Element

Dual Element

Paper Element

Dual Element

Engine Oil Type

SAE 30

Spark Plug Gap

0.03

Air Cleaner

Differential

Standard

N/A

Standard

0-3.5 (0-5.6)

N/A

0-3.5 (0-5.6)

Mower Deck Gauge

14 Gauge Stamped
Steel

Baked Powder Paint

Standard

Cutting Width - in (cm)

21 (53.3)

Variable Speeds-MPH (KPH)

Cutting Height - in (cm)
Folding Handlebar
Adjustable Handlebar

6 Positions

1.2-3.5 (3.2-8.9)

Standard One Piece

4 Position

Front Wheel Diameter - in (cm)

7.5 (19.1)

Rear Wheel Diameter - in (cm)

10.5 (26.7)

Side Discharge

Standard

Bagger

Standard

With Kit

Mulching Capability

Attachments (* denotes it comes with unit)
Dethatcher

N/A

71102400

Mulchmaster Package

71102700

Leaf Shredder

71102800

N/A

71102800

Side Discharge Chute

N/A

71102900

N/A

71102900

Rear Bagger

N/A

71103000

Swivel Wheel Kit

N/A

71103300

N/A

71103300

Rear Discharge Chute

71103200

Rear Roller Kit

N/A

71103400

N/A

71103400

Mulching Kit

N/A

71103500

N/A

71103500

3 - 11

Model Number

911060

911061

911062

911064

Description Name

LM221

LM222SP

MM221SP

MM210

Tecumseh

Four

5.0

6.0

5.0

4.5

Engine Manufacture
Cycles
HP (3600RPM)
Fuel Tank Capacity - qt (L)

1.5 (1.4)

1.0 (0.9)

1.5 (1.4)

Fuel

Unleaded

Primer Bulb

Standard

N/A

Throttle/Choke Control
Starting
Cylinder Bore
Pressurized Oil System
Governed RPM
Crank Case Capacity - oz (L)

Recoil

Aluminum

Cast Iron Sleeve

Aluminum

Standard

2850+/-150

27 (0.8)

21 (0.62)

Paper Element

Engine Oil Type

SAE 30

Spark Plug Gap

0.03

Differential

N/A

Standard

N/A

Variable Speeds-MPH (KPH)

N/A

0-3.5 (0-5.6)

N/A

Mower Deck Gauge

14 Gauge Stamped
Steel

16 Gauge Stamped
Steel

Baked Powder Paint

Standard

Cutting Width - in (cm)

21 (53.3)

Air Cleaner

Cutting Height - in (cm)
Folding Handlebar
Adjustable Handlebar

6 Positions

1.25-3.5 (3.2-8.9)

Standard One Piece

4 Position

Front Wheel Diameter - in (cm)

7.5 (19.1)

Rear Wheel Diameter - in (cm)

10.5 (26.7)

Side Discharge

Standard

N/A

Bagger

Standard

Optional

Mulching Capability

Standard

Attachments (* denotes it comes with unit)
Dethatcher
Mulchmaster Package
Leaf Shredder
Side Discharge Chute
Rear Bagger

N/A

71102400

N/A

71102700

71102800

N/A

71103000

Swivel Wheel Kit

71103300

Rear Discharge Chute

71103200

Rear Roller Kit

71103400

Mulching Kit

71103500

3 - 12

Model Number

911065

911067

911068

911069

Description Name

LM230SP

MM223

MM224SP

DLM225SP

Kawasaki

Tecumseh

Briggs & Stratton

Four

5.0

5.5

Engine Manufacture
Cycles
HP (3600RPM)
Fuel Tank Capacity - qt (L)

1.4 (1.3)

1.5 (1.4)

1.6 (1.5)

Fuel

Unleaded

N/A

Standard

N/A

Primer Bulb
Throttle/Choke Control
Starting
Cylinder Bore
Pressurized Oil System
Governed RPM
Crank Case Capacity - oz (L)

Recoil

Cast Iron Sleeve

Aluminum

Cast Iron Sleeve

Standard

2850+/-150

2900+/-100

19 (0.56)

27 (0.8)

20 (0.6)

Dual Element

Paper Element

Dual Clean

Engine Oil Type

SAE 30

Spark Plug Gap

0.03

Air Cleaner

Differential

Standard

N/A

Standard

0-4.0 (0-6.4)

N/A

0-3.5 (0-5.6)

0-4 (0-6.4)

Mower Deck Gauge

14 Gauge Stamped
Steel

16 Gauge Stamped
Steel

14 Gauge Stamped
Steel

Baked Powder Paint

Standard

Cutting Width - in (cm)

21 (53.3)

Variable Speeds-MPH (KPH)

Cutting Height - in (cm)
Folding Handlebar
Adjustable Handlebar

6 Positions

1.25-3.5 (3.2-8.9)

Standard One Piece

4 Position

Front Wheel Diameter - in (cm)

7.0 (17.8)

7.5 (19.1)

Rear Wheel Diameter - in (cm)

10.0 (25.4)

10.5 (26.7)

Side Discharge

Standard

N/A

Standard

Bagger

Standard

Optional

Standard

Mulching Capability

Standard

71102400

N/A

71102400

71102800

N/A

Attachments (* denotes it comes with unit)
Dethatcher
Mulchmaster Package
Leaf Shredder
Side Discharge Chute
Rear Bagger

71103000

Swivel Wheel Kit

71103300

Rear Discharge Chute

71103200

Rear Roller Kit

71103400

Mulching Kit

71103500

3 - 13

Model Number

911070

911071

911072

911073

Description Name

DLM226SP

DLM227SP

DLM228SP

DLM229SP

Briggs & Stratton

Tecumseh

Four

5.5

6.0

Engine Manufacture
Cycles
HP (3600RPM)
Fuel Tank Capacity - qt (L)

1.6 (1.5)

1.5 (1.4)

Fuel

Unleaded

Primer Bulb

Standard

N/A

Recoil

Electric/Recoil

Recoil

Cast Iron Sleeve

Aluminum

Throttle/Choke Control
Starting
Cylinder Bore
Pressurized Oil System
Governed RPM
Crank Case Capacity - oz (L)

Standard

2900+/-100

2850+/-150

20 (0.6)

27 (0.8)

Dual Element

Paper Element

Engine Oil Type

SAE 30

Spark Plug Gap

0.03

Air Cleaner

Differential

Standard

0-4.0 (0-6.4)

0-4 (0-6.4))

0-4 (0-6.4)

Mower Deck Gauge

14 Gauge Stamped
Steel

Baked Powder Paint

Standard

Cutting Width - in (cm)

21 (53.3)

Variable Speeds-MPH (KPH)

Cutting Height - in (cm)
Folding Handlebar
Adjustable Handlebar

6 Positions

1.25-3.5 (3.2-8.9)

Standard One Piece

4 Position

Front Wheel Diameter - in (cm)

7.0 (17.8)

7.5 (19.1)

Rear Wheel Diameter - in (cm)

10.0 (25.4)

10.5 (26.7)

Side Discharge

Standard

Bagger

Standard

Mulching Capability

Standard

N/A

71102400

N/A

Attachments (* denotes it comes with unit)
Dethatcher
Mulchmaster Package
Leaf Shredder

71102800

Side Discharge Chute

Rear Bagger

Swivel Wheel Kit

71103300

Rear Discharge Chute

71103200

Rear Roller Kit

71103400

Mulching Kit

71103500

3 - 14

Model Number

911075

Description Name

DLM21SEW

Engine Manufacture
Cycles
HP (3600RPM)

911076

911077

911078
DLM21SEW

Tecumseh

Four

6.0

5.5

6.0

Fuel Tank Capacity - qt (L)

1.5 (1.4)

Fuel

Unleaded

Primer Bulb

Standard

N/A

Electric/Recoil

Recoil

Electric/Recoil

Aluminum

Throttle/Choke Control
Starting
Cylinder Bore
Pressurized Oil System
Governed RPM
Crank Case Capacity - oz (L)

Standard

2850+/-150

27 (0.8)

Paper Element

Engine Oil Type

SAE 30

Spark Plug Gap

0.03

Air Cleaner

Differential

Standard

0-4 (0-6.4)

0-3.5 (0-5.6)

0-4 (0-6.4)

Mower Deck Gauge

14 Gauge Stamped
Steel

Baked Powder Paint

Standard

Cutting Width - in (cm)

21 (53.3)

Variable Speeds-MPH (KPH)

Cutting Height - in (cm)
Folding Handlebar
Adjustable Handlebar

6 Positions

1.25-3.5 (3.2-8.9)

Standard One Piece

4 Position

Front Wheel Diameter - in (cm)

7.5 (19.1)

7.0 (17.8)

7.5 (19.1)

Rear Wheel Diameter - in (cm)

10.5 (26.7)

10.0 (25.4)

10.5 (26.7)

Side Discharge

Standard

Bagger

Standard

Mulching Capability

Standard

With Kit

Standard

Attachments (* denotes it comes with unit)
Dethatcher
Mulchmaster Package
Leaf Shredder

N/A

71102400

N/A

71102700

71102800

Side Discharge Chute

71102900

Rear Bagger

71103000

Swivel Wheel Kit

71103300

Rear Discharge Chute

71103200

Rear Roller Kit

71103400

Mulching Kit

71103500

3 - 15

Model Number

911079

911080

911081

911082

Description Name

DLM21S

DLM21SW

SLM21

SLM21S

Tecumseh

Four

6.0

5.0

5.5

Engine Manufacture
Cycles
HP (3600RPM)
Fuel Tank Capacity - qt (L)

1.5 (1.4)

Fuel

Unleaded

Primer Bulb

Standard

N/A

Throttle/Choke Control
Starting
Cylinder Bore
Pressurized Oil System
Governed RPM
Crank Case Capacity - oz (L)

Recoil

Aluminum

Standard

2800+/-200

3150+/-200

27 (0.8)

Paper Element

Engine Oil Type

SAE 30

Spark Plug Gap

0.03

Air Cleaner

Differential

Standard

N/A

Standard

0-4 (0-6.4)

N/A

0-3.5 (0-5.6)

Mower Deck Gauge

14 Gauge Stamped
Steel

16 Gauge Stamped
Steel

Baked Powder Paint

Standard

Cutting Width - in (cm)

21 (53.3)

Variable Speeds-MPH (KPH)

Cutting Height - in (cm)
Folding Handlebar
Adjustable Handlebar

6 Positions

1.25-3.5 (3.2-8.9)

Standard One Piece

4 Position

Front Wheel Diameter - in (cm)

7.5 (19.1)

7.0 (17.8)

7.5 (19.1)

Rear Wheel Diameter - in (cm)

10.5 (26.7)

10.0 (25.4)

10.5 (26.7)

Side Discharge

Standard

N/A

Bagger

Standard

Mulching Capability

Standard

With Kit

71102400

N/A

71102400

71102800

N/A

Attachments (* denotes it comes with unit)
Dethatcher
Mulchmaster Package
Leaf Shredder
Side Discharge Chute
Rear Bagger

Swivel Wheel Kit

71103300

Rear Discharge Chute

71103200

Rear Roller Kit

71103400

Mulching Kit

71103500

3 - 16

Model Number

911083

911084

911304

911311

Description Name

DLM21C

DLM21SC

LM21

LM21S

Robin

Briggs & Stratton

Four

6.0

5.0

Engine Manufacture
Cycles
HP (3600RPM)
Fuel Tank Capacity - qt (L)

1.5 (1.4)

Fuel

Unleaded

Primer Bulb
Throttle/Choke Control
Starting
Cylinder Bore
Pressurized Oil System
Governed RPM
Crank Case Capacity - oz (L)

N/A

Standard

Recoil

Cast Iron Sleeve

Aluminum

Standard

2850+/-150

2900+/-100

17 (0.5)

20 (0.6)

Dual Element

Paper Element

Engine Oil Type

SAE 30

Spark Plug Gap

0.03

Differential

N/A

Standard

N/A

Standard

Variable Speeds-MPH (KPH)

N/A

0-4 (0-6.4)

Mower Deck Gauge

14 Gauge Stamped
Steel

Baked Powder Paint

Standard

Cutting Width - in (cm)

21 (53.3)

Air Cleaner

Cutting Height - in (cm)
Folding Handlebar
Adjustable Handlebar

6 Positions

1.25-3.5 (3.2-8.9)

Standard One Piece

4 Position

Front Wheel Diameter - in (cm)

7.0 (17.8)

7.5 (19.1)

Rear Wheel Diameter - in (cm)

10.0 (25.4)

10.5 (26.7)

Side Discharge

Standard

Bagger

Standard

Mulching Capability

Standard

With Kit

Attachments (* denotes it comes with unit)
Dethatcher
Mulchmaster Package
Leaf Shredder
Side Discharge Chute
Rear Bagger

N/A

71102400

N/A

71102400

71102700

71102800

Swivel Wheel Kit

71103300

Rear Discharge Chute

71103200

Rear Roller Kit

71103400

Mulching Kit

71103500

3 - 17

Model Number

911463

911467

911468

911469

Description Name

DLM239

SLM237

SLM238SP

DLM232SP

Robin

Tecumseh

Briggs & Stratton

Four

6.0

5.0

5.5

Engine Manufacture
Cycles
HP (3600RPM)
Fuel Tank Capacity - qt (L)

1.5 (1.4)

1.6 (1.5)

Fuel

Unleaded

N/A

Standard

N/A

Primer Bulb
Throttle/Choke Control
Starting
Cylinder Bore
Pressurized Oil System
Governed RPM
Crank Case Capacity - oz (L)

Recoil

Cast Iron Sleeve

Aluminum

Cast Iron Sleeve

Standard

2900+/-100

3200+/-150

2900+/-100

17 (0.5)

27 (0.8)

20 (0.6)

Dual Element

Paper Element

Dual Clean

Engine Oil Type

SAE 30

Spark Plug Gap

0.03

Differential

N/A

Standard

Variable Speeds-MPH (KPH)

N/A

0-3.5 (0-5.6)

0-4 (0-6.4)

Mower Deck Gauge

14 Gauge Stamped
Steel

16 Gauge Stamped
Steel

14 Gauge Stamped
Steel

Baked Powder Paint

Standard

Cutting Width - in (cm)

21 (53.3)

Air Cleaner

Cutting Height - in (cm)
Folding Handlebar
Adjustable Handlebar

6 Positions

1.25-3.5 (3.2-8.9)

Standard One Piece

4 Position

Front Wheel Diameter - in (cm)

7.0 (17.8)

7.5 (19.1)

Rear Wheel Diameter - in (cm)

10.0 (25.4)

10.5 (26.7)

Side Discharge

Standard

N/A

Standard

Bagger

Standard

Mulching Capability

Standard

N/A

71102400

71102800

N/A

Attachments (* denotes it comes with unit)
Dethatcher
Mulchmaster Package
Leaf Shredder
Side Discharge Chute
Rear Bagger

Swivel Wheel Kit

71103300

Rear Discharge Chute

71103200

Rear Roller Kit

71103400

Mulching Kit

71103500

3 - 18

Model Number

911475

911509

911511

911513

Description Name

DLM240SP

LM21SCH

LM21SC

LM21

Robin

Briggs & Stratton

Four

6.0

5.4

5.3

4.37

Engine Manufacture
Cycles
HP (3600RPM)
Fuel Tank Capacity - qt (L)

1.5 (1.4)

2.0 (1.9)

2 (1.9)

22 oz. (0.65)

Fuel

Unleaded

Primer Bulb
Throttle/Choke Control
Starting
Cylinder Bore
Pressurized Oil System
Governed RPM
Crank Case Capacity - oz (L)

N/A

Standard

N/A

Recoil

Cast Iron Sleeve

Aluminum

Cast Iron Sleeve

Aluminum

Standard

Splash

Pressurized

Splash

2900+/-100

3000+/-100

27 (0.8)

17 (0.5)

22 (0.65)

Dual Element

Paper Element

Engine Oil Type

SAE 30

Spark Plug Gap

0.03

Air Cleaner

Differential

Standard

N/A

0-4 (0-6.4)

1.55, 2.98, 3.8
(2.48, 4.77, 6.08)

0-3.5 (0-5.6)

N/A

Mower Deck Gauge

14 Gauge Stamped
Steel

Baked Powder Paint

Standard

Cutting Width - in (cm)

21 (53.3)

Variable Speeds-MPH (KPH)

Cutting Height - in (cm)

6 Positions

6 Positions 1.25-3.5

6 Positions

1.25-3.5 (3.2-8.9)

1-3.5 (3.2-8.9)

1.25-3.5 (3.2-8.9)

Standard One Piece

4 Position

Front Wheel Diameter - in (cm)

7.0 (17.8)

8 (20.3)

7.5 (19.1)

Rear Wheel Diameter - in (cm)

10.0 (25.4)

8 (20.3)

10.5 (26.7)

Side Discharge

Standard

Bagger

Standard

Mulching Capability

Standard

71102400

71102700

71102800

71103700

71102800

Folding Handlebar
Adjustable Handlebar

Attachments (* denotes it comes with unit)
Dethatcher
Mulchmaster Package
Leaf Shredder
Side Discharge Chute
Rear Bagger

Swivel Wheel Kit

71103300

71104000

71103300

Rear Discharge Chute

71103200

Rear Roller Kit

71103400

Mulching Kit

71103500

3 - 19

Model Number

911514

911515

911516

911517

Description Name

LM21S

LM21SE

LM21SW

LM21SC

Engine Manufacture

Briggs & Stratton

Robin

Cycles

Four

HP (3600RPM)

4.37

5.3

Fuel Tank Capacity - qt (L)

22 oz. (0.65)

22 oz (0.65)

2 (1.9)

Fuel

Unleaded

Primer Bulb

Standard

N/A

Standard

Recoil

Electric/Recoil

Recoil

Aluminum

Cast Iron Sleeve

Throttle/Choke Control
Starting
Cylinder Bore
Pressurized Oil System
Governed RPM
Crank Case Capacity - oz (L)

Splash

Pressurized

3000+/-100

22 (0.65)

17 (0.5)

Paper Element

Dual Element

Engine Oil Type

SAE 30

Spark Plug Gap

0.03

Air Cleaner

Differential

Standard

N/A

Standard

0-4 (0-6.4)

N/A

0-3.5 (0-5.6)

Mower Deck Gauge

14 Gauge Stamped
Steel

Baked Powder Paint

Standard

Cutting Width - in (cm)

21 (53.3)

Variable Speeds-MPH (KPH)

Cutting Height - in (cm)
Folding Handlebar
Adjustable Handlebar

6 Positions

1.25-3.5 (3.2-8.9)

Standard One Piece

4 Position

Front Wheel Diameter - in (cm)

7.5 (19.1)

7.0 (17.8)

7.5 (19.1)

Rear Wheel Diameter - in (cm)

10.5 (26.7)

10.0 (25.4)

10.5 (26.7)

Side Discharge

Standard

Bagger

Standard

Mulching Capability

Standard

71102400

N/A

71102400

71102700

71102800

Attachments (* denotes it comes with unit)
Dethatcher
Mulchmaster Package
Leaf Shredder
Side Discharge Chute
Rear Bagger

Swivel Wheel Kit

71103300

Rear Discharge Chute

71103200

Rear Roller Kit

71103400

Mulching Kit

71103500

3 - 20

SECTION 4 - GENERAL MAINTENANCE & ADJUSTMENTS
4.1 CONTROLS AND FEATURES

1
12

2
11

3
8

7
9
13
15
7

4
6

1. Engine Control
2. Ignition Switch (Electric Start
Models)
3. Speed Selector (Self-propelled)
4. Primer (Briggs Engine)
5. Side Discharge Cover
6. Side Discharge Deflector

7. Cutting Height Levers (2 Rear
Wheel Adjusters, 2 Front Wheel
Adjusters
8. Rear Door
9. Adjustable and Folding
Handlebars
10.Grass Bag

11.Recoil
12.Wheel Drive Control
13.Mulchmaster™ Plug
14.Throttle Control (Robin Engines)
15.Handlebar Adjustment Holes
16.Speed Indicator (Self-propelled)

OM0032

Figure 2

4 - 21

4.3 FILLING THE FUEL TANK

4.2 SERVICE POSITIONS
Place unit on a flat level surface. ALWAYS stop engine.
Assure unit is secure and will not tip over. Strap and
clamp onto bench if needed.

WARNING: EXPLOSIVE VAPORS and its
FLAMMABLE FUEL can result in death or
serious injury. Handle fuel with care.

A handlebar service position is provided for tipping the
unit for cleaning and service (Figure 3). See
Adjustments.

ALWAYS use an approved fuel container.
No Smoking! No lighted Materials!
No Open Flame!
Allow engine to cool before maintenance.
Gasoline is highly flammable and must be
handled with care. Allow engine to cool
several minutes before removing fuel tank
cap. Never fill tank when engine is running or
is hot from operation. DO NOT allow open
flame, matches, or smoking in area. DO NOT
overfill. Allow about 1/4" of tank space for fuel
expansion. Wipe up any spills and allow
vapors to dissipate before starting engine.
Use approved gasoline container.
To add fuel to fuel tank:
1. Put unit in open or well-ventilated area.
2. Stop engine and allow to cool.

Figure 3

OM0210

WARNING: ACCIDENTAL ENGINE START
UP can cause death or serious injury.
ALWAYS stop engine, remove key, wait for
moving parts to stop and remove wire from
spark plug before adjusting or servicing.

3. Clean fuel cap and surrounding area to prevent
dust, dirt and debris from entering fuel tank.
4. Remove cap.
IMPORTANT: DO NOT use gasohol or gasoline
containing alcohol because alcohol will cause internal
parts to deteriorate. See Engine Manual for correct
type and grade of fuel.
5. Fill fuel tank. (See Specifications for tank capacity.)
6. Replace fuel cap and tighten.
7. ALWAYS clean up any spilled fuel.

CAUTION: FUEL SPILLS may result in minor
or moderate injury and/or damage to the unit.
Before unit is tipped up onto housing, remove
enough fuel so that no spillage will occur.
Remove battery to prevent spillage of
electrolyte.
IMPORTANT: When tipping to service engine or unit,
use the following service positions for the brand and
type of engine on your mower:
Tecumseh & Robin Engines: Place handlebar into
service position and tip machine to the rear.
Briggs & Stratton Intek Engines: Place handlebar
into handlebar service position and tip the machine to
the left, opposite the discharge opening.
Kawasaki: Place handlebar in service position and tip
unit to right.
IMPORTANT: If engine becomes "flooded" due to
tipping, clean air cleaner and remove spark plug, put
one teaspoon of oil in cylinder, turn engine over a few
times and reinstall spark plug.

4.4 GENERAL LUBRICATION
Swivel Lubrication (swivel units)
See Figure 4.
Apply Sten Mix Hi-Temp Grease or equivalent to the
lube fittings. Order P/N: 00036800 - 3 pack of 3 oz.
cartridges.
When using Sten Mix Grease for the first time, all
components should be thoroughly cleaned prior to
lubricating.

Commercial Models
Grease fittings on rear axle housing every 25 hours.

4 - 22

5
2

1
OM0230

2
4

1. Grease Fitting
2. Swivel Lock Hole

Figure 4

OM0210

1
4. Air Lift
5. Reverse Lift

1. Cutting Edge
2. Square Corner
3. Air Lift Erosion

4.5 CHECK MOWER BLADE
See Figures 5 and 6.
Regularly check mower blades for wear and that lock
washer is fully compressed by cap screw (requires
25-30 ft-lbs (33-40 Nm) of torque on cap screw).
When blade needs sharpening:
1. Block blade to prevent rotation.
2. Remove cap screw, lock washer and blade from
shaft.

OM0240

Figure 5

4.6 CHECK DRIVE BELT
1

3. Sharpen both ends of blade at original angle (25o),
removing equal amounts of material from each end
to maintain proper blade balance. New blades are
balanced to within 1.3 in. oz. at factory. DO NOT
grind around corner at tip of blade. If cutting edge
of blade cannot be sharpened in a straight line to
within 1/8 of an inch of its end, replace blade with
Ariens replacement blade only.
4. Install blade, lock washer and tighten cap screw
25-30 ft-lbs (33-40 Nm) until lock washer is fully
compressed.
IMPORTANT: If mower is used under sandy soil
conditions, replace blades when air lifts become
eroded.

1. Blade
2. Cap Screw, Lock
Washer & Flat Washer

3. Drive Belt
4. Idler

Figure 6

OM0250

Check drive belt for wear or damage. Replace belt if
worn or damaged.

4.7 CHECK ENGINE/BLADE CONTROL
The engine/blade control must stop the engine and
blade within 3 seconds after the bail is released. If the
engine or blade continues to run, adjust or repair
control immediately.
Engine control must stop engine ignition, at 3/4" to
1-1/4" from handlebar as control is released.

4 - 23

To check (Figure 7):
1. Start engine and slowly release control until engine
stops firing.

2. Measure distance between handlebar and control
at the point that engine stopped firing.

3. Turn cable nuts at handlebar mount clockwise if
measurement is more than 1-1/4" or counterclockwise if measurement is less than 3/4".

4. Turn nuts against mount to lock in position.

S Hook on
Some Models
1

1. Cable Nuts
2. Bracket
3. Spring

4. Spring or "S" Hook
5. Control Rod

Figure 9
2

4.8 CHECK GRASS BAG

1. Engine Control
2. Handlebar

Check bag for wear or damage. Keep bag clean and
dry. Replace only with Ariens original equipment
replacement bag.

3. Cable Nuts
4. Mount

4.9 CHECK DRIVE CONTROL

Figure 7

OM0280

Check operation of drive control. The drive must
disengage completely when the bail handle is
released. Adjust bail travel if necessary. See Figure 10.

When the wheel drive control is squeezed toward the
handlebar, the extension spring, located at the bottom
end of the traction cable, must start to extend when the
control is between 1-1/2" and 2" (3.8 and 5 cm) away
from the handlebar. To check:

1. Squeeze the wheel drive control toward the
handlebar until the spring starts to open.
1-1/8" to 1-5/16"

1. Cable Nuts
2. Bracket
3. Spring

Figure 8
There must not be slack in cable.
To check, rotate blade in it’s cutting direction (this
draws control rod fully in).
To eliminate slack in cable, turn nuts on cable at
handlebar clockwise.

2. Measure the distance between the wheel drive
control and handlebar at the handlebar indentation.
3. To obtain the proper adjustment, turn the cable
nuts. Turn clockwise if the measurement is more
than 2"; counterclockwise if the measurement is
less than 1-1/2". Tighten the nuts against the
bracket to lock in position. If there is not enough
thread length for adjustment, the opposite end of
the cable can be adjusted.

Three Speed Drive Control
When the wheel drive control bail is squeezed toward
the handlebar, the extension spring must start to
extend when the control bail is between 3-7/8" to 4-1/8"
away from the handlebar. The extension spring is
located at the bottom end of the traction control cable.

4 - 24

To check the control cable spring:
1. Squeeze the wheel drive control bail towards the
handlebar until the spring starts to open.

7
3

2. Measure the distance between the wheel drive bail
to the handlebar indentation.
3. To obtain the proper adjustments turn the control
cable nuts at the handlebar or the bottom of the
control cable anchor against the anchor supports.

4
6
1

4
3

5
1.
2.
3.
4.
5.

Hole No. 1
Hole No. 2
Hole No. 3
Hole No. 4
Handlebar Stud

1
1. Traction Cable
2. Handlebar
Indentation

3. Cable Nuts
4. Wheel Drive Control

Figure 10

4.10 HANDLEBAR ADJUSTMENT
Holes in handlebar braces provide four height
positions, a service position, and a storage position
(except on professional models).

6. Handlebar Adjustment
Link
7. Professional Bracket
8. Storage Position

Figure 11

OM0271

Use one of the four holes to adjust handlebar height to
a safe, comfortable position. Place bolt on handlebar
bracket through one of holes 1, 2, 3 or 4 in order of
increasing height (See Figure 11).
NOTE: On Professional models nuts and bolts replace
pins.
For storage, rotate handlebar forward and place pins
through holes further up braces.

4.11 SPEED CONTROL BELL CRANK
The speed control bell crank holds the speed selector
rod in position after a speed has been set. The spring
washers may become loose with normal wear. If the
speed selector rod does not stay firmly in position,
adjust the speed control bell crank. See Figure 12.
To adjust:
1. Remove cover, fully compress the helical spring
lockwashers with lock nut and then back lock nut
off, one half turn.
2. If the speed selector rod is still too loose, tighten
lock nut by small increments until it holds its
position. Tightening the lock nut too much will not
allow the speed selector rod to move at all.
3. Align notch in left hand side of cover with bolt and
secure with knob.

4 - 25

6
1

5
4

3
5

1. Lock Nut
2. Helical Spring
Lockwashers
3. Speed Control Bell
Crank

4. Speed Selector Rod
5. Hair Pin
6. Swivel

5
2

3
Figure 12

4
OM0300

4.12 FRICTION WHEEL ADJUSTMENT
Early Models (Side Pull)
Adjust rear cutting height levers to middle position.
Check to be sure there is slack in the friction wheel
drive cable, if not readjust cable nuts.

1. Cable Nuts
2. Drive Mount
3. Adjustment Screws

4. Drive Disk
5. Friction Wheel
6. Battery

Figure 13

Set speed selector at slowest speed and loosen the
two cap screws on drive mount. Hold lever securing
drive cable down toward mower pan and adjust drive
assembly to bring friction wheel to within 1/16" above
drive disk. Tighten cap screws. Check for proper
function of friction wheel and speed selector. Adjust
cable nuts to remove slack.

4 - 26

SECTION 5 - ENGINE
5.1 ENGINE TROUBLESHOOTING
The following troubleshooting chart is to be used to
isolate engine problems and give possible causes and
corrective action responses.

TROUBLE
Black Exhaust
Blue/White Exhaust
Difficult Starting
Erratic Running
Excessive Fuel Consumption
High Oil Pressure
Knocking
Loss of Power or System
Low Cranking Power
Low Oil Pressure
Misfiring
Overheating
Poor Compression
Starts and Stops

The troubleshooting key is generic and can be used for
several types of engines. Use only those possible
causes and corrective actions that apply to the
unit.

POSSIBLE CAUSES

CORRECTIVE ACTION

(Refer to Key Below)
1, 20, 22, 25, 29, 31, 32, 33
4, 20, 25, 31, 33, 34
1, 5, 7, 8, 9, 10, 20, 21, 22, 29, 31, 32, 33
1, 7, 8, 9, 10, 20, 21, 23, 26, 29, 33, 59, 62
1, 20, 22, 23, 25, 39, 31, 32, 33
4, 41
22, 26, 29, 31, 33, 36, 46, 59
1, 8, 10, 20, 21, 22, 23, 25, 26, 31, 32, 33
2, 3, 4, 11
4, 36, 37, 39
10, 20, 25, 26, 28, 29, 32
1, 19, 25,
25, 28, 29, 31, 32, 33, 34,59,
1, 6, 10, 62

repair or replace
repair or replace
repair or replace
repair or replace
repair or replace
repair or replace
repair or replace
repair or replace
repair or replace
repair or replace
repair or replace
repair or replace
repair or replace
repair or replace
see electrical systems

Vibration
Will Not Crank
Will Not Start

see engine service manual
repair or replace
charge battery or replace
repair or replace

20, 23, 25, 26, 29, 33, 45, 49
2, 11, 45
1, 10, 62

see electrical systems
see engine service manual
TROUBLESHOOTING KEY
1
2
3
4
5
6
7

16
17
18
19

Restriction in air cleaner
Bad electrical connection
Faulty starter motor
Incorrect grade of lubricating oil
Low cranking speed
Fuel tank empty
Controls not in correct operation
position
Blocked fuel feed line
Faulty fuel lift pump
Choked fuel filter
Battery capacity low
Air in fuel system
Faulty fuel injection pump
Faulty fuel injectors or incorrect
type
Incorrect use of cold start
equipment
Faulty cold start equipment
Broken fuel injection pump drive
Incorrect fuel pump timing
Incorrect valve timing

20
21

Poor compression
Blocked fuel tank vent

8
9
10
11
12
13
14
15

22
23
24
25
26
27
28

Incorrect grade of fuel
Sticking throttle/restricted movement
Exhaust pipe restriction
Leaking cylinder head gasket
Overheating
Cold running
Incorrect tappet adjustment

43
44
45
46
47
48
49

29
30
31
32
33
34
35

Sticking valves
Incorrect high pressure pipes
Worn cylinder bores
Pitted valves and seats
Broken, worn or sticking piston ring(s)
Worn valve stems and guides
Restriction in air cleaner

50
51
52
53
54
55
56

Worn or damaged bearings

37
38
39
40

Insufficient oil in sump
Bad/defective oil temperature switch
Oil pump worn
Pressure relief valve sticking open

58
59
60
61

41
42

Pressure relief valve sticking closed
Broken relief valve spring

5 - 27

Faulty suction pipe
Choked oil filter
Bad solenoid switch
Incorrect piston height
Damaged fan
Faulty engine mounting
Incorrectly aligned flywheel and/or
flywheel housing
Faulty thermostat
Restriction in water jacket
Loose fan belt
Choked radiator
Faulty water pump
Choked breather pipe
Damaged valve stem oil deflector (if
fitted)
Coolant level too low
Blocked sump strainer
Broken valve spring
Exhaust or vacuum pipe leak
Bad or defective water temperature
switch
Bad spark plug(s)

5.2 ENGINE SERVICE LOCATIONS

1
2

4
3
Tecumseh Engine

3
Briggs & Stratton
Professional Engine

4
1

2
Kawasaki Engine

2 Cycle Briggs Engine
1

1
4
2

6
3
OM0570
OM0550

Briggs & Stratton Intek OHV
3
1. Oil Fill Cap and Dipstick
2. Air Cleaner

3. Spark Plug and Wire
4. Fuel Cap and Tank

Figure 14

5 - 28

Robin Engine
5. Primer
6. Filter

5.3 ENGINE OIL
IMPORTANT: Change engine crankcase oil after first
two (2) hours of operation. Thereafter, change oil every
twenty five hours of operation (more often in dusty dirty
conditions). Refer to Engine Manual for oil type and
grade and detailed instructions.

Engine Oil Check and Change
The engine crankcase oil should be checked daily or
every five (5) hours of operation. Oil level MUST be
maintained in safe operating range on dipstick at all
times or engine damage will result.
IMPORTANT: DO NOT overfill. Be sure engine is level
when adding oil.
See Engine Manual for detailed instructions.

5.4 AIR CLEANER
Inspect air cleaner every twenty five hours of operation
or every three months, whichever comes first.
When dirty, foam filter elements should be removed
and cleaned. Refer to the following instructions.
NOTE: Inspect air cleaner more often if unit is used
under dirty, dusty conditions.
Foam Filter Element - (Pre Cleaner) - Wash foam
elements in warm water and detergent. Rinse
thoroughly until all traces of detergent are eliminated.
Squeeze (don’t wring) away excess water and air dry.
Soak foam element in clean, fresh oil, wrap in paper
towel or rag, and squeeze out excess oil.
Cartridge - Paper cartridge is to be replaced when it is
dirty or becomes distorted.
NOTE: DO NOT attempt to clean paper elements.

5 - 29

5
1

4
1

Briggs & Stratton Professional Air Cleaner

Briggs & Stratton
Air Cleaner
1
1
2

2
3

7
5
6

5
4

7
5

Robin Air
1 Cleaner

Tecumseh Air Cleaner

1.
2.
3.
4.
5.
6.
7.

Cover
Foam Filter Element (Pre-Cleaner)
Felt Filter Element
Cartridge
Body
Base Plate Gasket
Base Plate

Figure 15

5 - 30

Briggs & Stratton
Air Cleaner

5.5 ENGINE COOLING
The engine is air cooled. Air must circulate freely
around engine and over cooling fins on cylinder head
and block to prevent overheating.
Once a year or every one hundred (100) operating
hours (more if conditions require) clean engine fins and
external surfaces of engine of dust, dirt, and oil
deposits which can contribute to improper cooling.
Keep Areas within Heavy Line Clean of all Debris
(Figure 16).
CAUTION: Periodically clean muffler and
manifold areas to remove all grass, dirt and all
combustible debris. If engine muffler is
equipped with spark arrester screen
assembly, remove every 50 hours for cleaning
and inspection.

Figure 17

5.7 BATTERY (ELECTRIC START MODEL)
CAUTION: Do not put battery in fire or
mutilate; battery may burst or release toxic
materials. Do not short circuit; battery may
cause burns.
A 12 volt, 2.5 ampere hour sealed lead acid battery is
supplied with unit. Engine alternator will normally keep
battery fully charged with a 3 to 5 minute start/run
cycle.
IMPORTANT: Use battery supplied only. DO NOT
attempt to "jump start" mower.
If battery discharges, use a 5 to 10 minute start/run
cycle to recharge battery, or use a battery charger (a
battery charger, kit number 71104300, is available from
Ariens). An engine run time of at least 8 hours is
required to charge a fully discharged battery.

Keep Areas Within Heavy Line Clear of all Debris
Figure 16

5.6 SPARK PLUG

To charge with Ariens battery charger, connect charger
plug to mating plug on battery (not engine) and plug
charger into 120 volt Alternating Current (AC) outlet.
Charge for 12 to 36 hours (battery may be charged for
up to 56 hours with no harmful effect).

Spark plug should be cleaned or replaced and gap
reset to .030" every 100 hours of operation or yearly
whichever comes first.
To clean, remove debris from area around spark plug
base. Remove spark plug from engine. Scrape and
wash with a commercial solvent. DO NOT blast clean.
NOTE: Sparking can occur if wire terminal does not fit
firmly on spark plug. Reform terminal if necessary.

5 - 31

SECTION 6 - MOWER DECK
6.1 BLADE BRAKE/CLUTCH REMOVAL
Remove mower blade.
1

Squeeze brake/clutch bail against handlebar and insert
cotter pin into open hole of actuating rod.
Remove 3/8-24x2-1/2" cap screw that retains brake,
blade, clutch (BBC) leaf spring and leaf spring from
shaft.

Remove BBC flywheel by securing flywheel with BBC
wrench (P/N 000239). Remove flywheel and cotter pin
securing actuator rod to brake actuator.

3
4

Remove three nuts and remove brake actuator from
unit.

Inspect parts for wear and or damage, replace as
necessary. Assemble in reverse order.
NOTE: When attaching actuator rod to brake actuator,
brake actuator is to be rotated all the way up so proper
hole is aligned.

On models with key, position key in crankshaft. Slide
flywheel onto crankshaft and BBC leaf spring onto
flywheel stub shaft.
IMPORTANT: Install 3/8-24x2-1/2" Gr. 5 cap screw and
lockwasher to secure. Torque to 30 ft-lbs (40.6 Nm)
using BBC wrench to hold leaf spring and flywheel.
Secure mower blade with two 3/8-24x1-1/4" Gr. 5 cap
screws with lockwashers, torque to 25-30 ft-lbs
(33.8-40.6 Nm).
Check idler for free rotation of pulley and movement of
pivot.

8
9

1.
2.
3.
4.
5.

Drive Belt
Drive Disk
Ball Bearing
Washer
Spindle

6.
7.
8.
9.

Replace drive belt in reverse order being sure that belt
seats in pulley grooves with idler positioned on back
(flat) side of belt.

Bearing Retainer
Center Baffle
Traction Drive Pulley
Blade Adapter

Brake Engaged

Figure 18

Blade Engaged
Figure 19

6 - 32

NOTE: Be sure to return wheel height adjustment
levers to original position.

6.3 IDLER REMOVAL
Remove mower blade, hub, and center baffle. Refer to
Mower Blade Section of this manual.
Remove idler spring. Loosen hardware securing idler
arm to mower pan, and remove cap screw securing
idler to idler arm.
6

Inspect parts for wear and or damage, replace as
necessary. Assemble in reverse order.

1
2

4
9

5
6
7

7
1

Configuration 2

Configuration 1
1

1. Blade
2. Cap Screw, Lock
Washer & Flat Washer
3. Leaf Spring

4. Flywheel
5. Brake Actuator
6. Ramp Assembly

1.
2.
3.
4.
5.

Two-Way Lock Nut
Idler
Extension Spring
Center Lock Nut
Washer

6.
7.
8.
9.

Idler Arm
Flange Bushing
Tension Spring
Spacer

Figure 21

6.4 WHEELS AND ADJUSTERS
Figure 20

6.2 DRIVE BELT REPLACEMENT
CAUTION: Use sturdy gloves or padding to
protect hands when working with mower
blades.

Regularly check wheels and adjusters for wear.
Replace wheels when they become excessively worn.
Adjusters should be cleaned and fasteners checked for
tightness.
Check the front wheels for bushing wear. Replace as
needed.

NOTE: On BBC model blade brake/clutch assembly
must be removed to change belt.
Place right rear adjustment lever in first notch and left
rear height adjustment lever in third notch. This
provides clearance between friction wheel and drive
disk.
Remove belt from idler, drive disk and engine pulley.
Remove belt through opening under mower pan.
Inspect parts for wear and or damage, replace as
necessary.
Assemble in reverse order.

6 - 33

3
1

7
6

8
9
10

1.
2.
3.
4.

Height Adjustment Lever
Spacer Tube
Ball Bearing
Handlebar Mounting Bracket

5.
6.
7.
8.

Rear Quadrant
Front Height Adjustment Lever
Front Quadrant
Adjuster Bracket

Figure 22 Friction Drive

6 - 34

9. De-Thatcher Retainer
10.Flat Washer

PM0065

8
10
9
7

4
5

11
12
7

13 15

1.
2.
3.
4.
5.

Washer
Inner Wheel Cover
Ratchet Pinion
Ball Bearing
Height Adjuster

6. Rear Quadrant
7. Height Adjustment Lever
8. Handlebar Mounting Bracket
9. Key Ratchet
10.Tuff Torque Transmission

Figure 23 Gear Drive

6 - 35

11.Front Quadrant
12.Washer
13.Spacer
14.De-Thatcher Retainer
15.Adjuster Bracket

PM0360

1
4
2
8
5

1.
2.
3.
4.

Kickout Ring
Sleeve Bushing
Clevis Pin
Mount Arm

5.
6.
7.
8.

Figure 24

Axle Tab
Flange Bushing
Wheel Yoke
Lube Fitting
PM0071

6 - 36

SECTION 7 - HANDLEBARS & CONTROLS
7.1 HANDLEBARS AND BAILS
To remove handlebars:

7.2 SPEED CONTROL BELL CRANK

Remove cable retainers and disconnect cable from
bail. Remove push nuts and washers securing bails to
handlebars. Remove bails from handlebars.

To adjust models with spring, fully compress
compression spring with lock nut and then back lock
nut off one turn.

Remove carriage bolts and washers or knob and
washers securing braces to handlebars. Remove
braces.

To adjust units without spring:
1. Remove cover and completely compress helical
spring lockwashers with locknut, then back off 1/4
turn.

Remove carriage bolt, nut and washer securing
handlebar to handlebar bracket. Remove handlebars
and inspect parts for wear and or damage. Replace as
necessary and assemble in reverse order.

2. If rod is still too loose, tighten nut in small
increments until the rod holds.

Check all parts for wear and replace as needed.

6
7
5

3
4

10
11

13
12
8
14
14

1.
2.
3.
4.
5.

Engine Bail
Handlebar
Traction Bail
Cable Anchor
Cable Anchor Switch

6. Throttle Cable
7. Engine Control Cable
8. Traction Cable
9. Speed Control Brace
10.Rivet

11.Speed Control Bracket
12.Support Pad
13.Speed Control Rod
14.Handlebar Adjuster Link

Figure 25 Friction Wheel Handlebars and Controls

7 - 37

PM0024

3
4
2

1.
2.
3.
4.

Traction Bail
Handlebar
Engine Bail Weldment
Engine Control Cable

5. Throttle Cable
6. Handlebar Adjuster
7. Speed Control Bracket

Figure 26 Gear Drive Handlebars and Controls
PM0320

7 - 38

SECTION 8 - ELECTRICAL
8.1 BATTERY (ELECTRIC START MODELS)
IMPORTANT: Use battery charger supplied only. DO
NOT attempt to "jump start" mower.
To charge with battery charger, connect charger plug to
mating plug on battery (not engine) and plug charger
into 110 volt Alternating Current (A.C.) outlet. Charge
for 24 to 48 hours (battery may be charged for up to 72
hours with no harmful effects).
An engine run time of at least 8 hours is required to
charge a fully discharged battery.

To Remove Battery from Unit
1. Remove wing nuts from battery U-bolt.
2. Disconnect battery from wiring.

8.2 WIRING DIAGRAM

RED

BLACK
RED

BLACK

RED

BLACK

BATTERY

RED

ENGINE

RED

RED
A

B
YELLOW

M
S
GREEN

WHITE

KEY SWITCH

PM0090

8.3 CONTINUITY DIAGRAM

The diagram below shows the various states of connection for electrical components.
The solid lines on switches show continuity.
NOTE: All switches are viewed from the rear.

Key Switch
(01155800)

M
S

RUN

OFF
R

M
S

8 - 39

START
R

M
S

PM0100

SECTION 9 - FRICTION DRIVE SYSTEM & AXLE
9.1 INTRODUCTION

1
2

WARNING: Remove wire from spark plug
before attempting any repair or adjustment
procedures.

3
4
5

WARNING: Gasoline is highly flammable and
its vapors are explosive. Handle with care.

8
7

CAUTION: DO NOT touch engine or parts
which are hot from operation. Allow such
parts to cool before servicing unit.

6
1.
2.
3.
4.

NOTE: Rear wheels must be removed to perform
repairs in this section. Block up rear of mower to raise
rear wheels off work surface. Remove snap ring securing wheel to axle and remove washer and wheel.

Differential
Idler Gear
Pinion Gear
Drive Carrier

5.
6.
7.
8.

Pivot Channel
Drive Disk
Friction Wheel
Shift Link

Figure 27

9.2 GEAR REMOVAL
Remove snap ring securing gear cover over idler shaft,
remove taptites securing cover to drive mount, and
remove gear cover.
Slide differential assembly off axle and remove idler
gear from idler shaft.
Drive out roll pin securing pinion gear on hex shaft and
remove pinion gear.
Inspect parts for wear and or damage, replace as
necessary. Assemble in reverse order and grease
spline area.

9.4 DRIVE MOUNT REMOVAL
Remove axle and gears. Refer to Axle Removal and
Gear Removal Sections.
Remove extension spring from drive actuator. Loosen
nuts securing drive cable to drive actuator. Remove
drive cable spring from bracket on mower pan and
remove drive cable from drive actuator.
Remove cotter pin and washer from shift link. Remove
shift link, and drive mount.
Assemble in reverse order.

9.3 AXLE REMOVAL
9.5 DRIVE MOUNT DISASSEMBLY

Remove snap ring next to axle spline on left side of
axle and remove axle bearing.

Drive out roll pin in hex shaft and remove hex shaft.

Remove cotter pin securing left side of rear protective
guard to bracket and move guard out of the way.

Press out bearings from drive mount with bearing
driver.

With snap ring pliers, spread snap ring apart on right
side of axle. Pull right wheel and axle from mower until
left end of axle clears drive mount.

Remove taptites securing retainer plate to drive mount
and remove guide shaft.

Inspect parts for wear and or damage, replace as
necessary and assemble in reverse order being sure to
grease spline area.

Push idler shaft out of drive mount, inspect parts for
wear or damage and replace as necessary. Assemble
in reverse order.

9.6 FRICTION WHEEL REPLACEMENT
If rubber tire on friction wheel becomes worn, chipped,
or broken, friction wheel must be replaced.
On models with steel friction wheel hub and 3 retaining
screws, remove the three cap screws and nuts that
secure friction wheel to hub (hole in bearing plate
provides access to hardware) and remove friction
wheel.

9 - 40

Press out bearings from drive disk using Ariens
Bearing Driver P/N 000026. Replace bearings with
Bearing Driver P/N 000046.

Assemble in reverse order. Refer to Section 4.12 to
adjust friction wheel drive.

Inspect parts for wear or damage and replace as
necessary. Assemble in reverse order.
2

2
3
4

3
1. Cap Screw
2. Friction Wheel

3. Friction Wheel Hub
4. Lock Nut

5
6

Figure 28

5
7

On models with plastic friction wheel hub, remove drive
cover nut and remove drive cover. Remove two taptites
and snap ring from gear cover and remove gear cover.
Remove cotter pin from shift link and move shift link out
of way.
Remove three #12-24 x 1/2" taptites from retainer
plate. Remove 3/16 x 7/8" roll pin from hex shaft with
roll pin driver. Slide hex shaft to left. Slide friction
wheel, retainer plate and thrust plate off hex shaft.
Remove taptites from thrust plate, separate thrust
plate, and remove friction wheel.

10
1.
2.
3.
4.
5.

3
1

1. Taptite
2. Thrust Plate

Nut
Lock Washer
Washer
Drive Disk
Ball Bearing

6. Washer
7. Spindle
8. Bearing Retainer
9. Taptite
10.Carriage Bolt

Figure 30

Install new friction wheel using reverse procedure.

3. Guide Plate
4. Friction Wheel

Figure 29

9.7 DRIVE DISK REMOVAL
Remove drive belt.
Remove nut, lockwasher and flat washer securing
drive disk to mower pan.
Remove four taptites securing bearing retainer to drive
disk, remove bearing retainer and spindle.

9 - 41

3
4
6
2
5
7
8
9

21 20
10

23 22
24

13
11
8

16
26

Figure 31

9 - 42

1. Differential Assembly
2. Gear Cover
3. Idler Gear
4. Ball Bearing
5. Retainer
6. Idler Shaft
7. Pinion Gear
8. Ball Bearing
9. Drive Mount
10.Drive Actuator Weldment
11.Pivot Channel Weldment
12.Shift Link
13.Shift Arm Weldment
14.Guide Rod
15.Retainer Plate
16.Hex Shaft
17.Guide Plate
18.Friction Wheel Hub
19.Friction Ring
20.Bearing Retainer
21.Ball Bearing
22.Bearing Retainer
23.Bearing Plate
24.Friction Disc
25.Friction Wheel
26.Thrust Plate
PM0080

SECTION 10 - GEAR DRIVE SYSTEM & AXLE
10.2 TRANSMISSION REPLACEMENT

10.1 INTRODUCTION

The 3-speed transmission is not repairable. It should
be replaced if internal problems develop. To remove
the transmission, remove the drive wheels and pinions.
Slide the axles out.

WARNING: Remove wire from spark plug
before attempting any repair or adjustment
procedures.

1. Remove wheel cover and axle nut to remove wheel
and inner cover.

WARNING: Gasoline is highly flammable and
its vapors are explosive. Handle with care.

2. Remove drive pinion and axle bearing by removing
the two retaining E-clips.
3. Repeat steps 1 and 2 for the other rear wheel.

CAUTION: DO NOT touch engine or parts
which are hot from operation. Allow such
parts to cool before servicing unit.

4. Disconnect the gearshift cable.

5. Unbolt the transmission from the left hand
quadrant.
6. Remove drive belt from pulley.
7. Slide the transmission/axle assembly to the right
and then down to remove.
8. Install replacement in reverse order. Use pulley
and shift linkage from removed unit.

3
4
2

1.
2.
3.
4.
5.

Transmission-Tuff Torque
Left Hand Rear Quadrant
Ball Bearing
Ratchet Pinion
Wheel Inner Cover

Figure 32

10 - 43

Ariens Company
655 West Ryan Street
P.O. Box 157
Brillion, WI 54110-0157
920-756-2141
Fax 920-756-2407
www.ariens.com

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