Troybilt 31AS2B5 711 User Manual SNOW THROWER Manuals And Guides L0407490

TROYBILT Snowthrower, Gas Manual L0407490 TROYBILT Snowthrower, Gas Owner's Manual, TROYBILT Snowthrower, Gas installation guides

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Operator's Manual
Snow Thrower Model
521mSquall

IMPORTANT:

Read safety rules and instructions

carefully

before operating

equipment.

Warning:

This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-covered, brushcovered or grass-covered land unless the engine's exhaust system is equipped with a spark arrester meeting applicable local or state laws (if
any). If a spark arrester is used, it should be maintained in effective working order by the operator. In the State of California the above is required
by law (Section 4442 of the California Public Resources Code). Other states may have similar laws. Federal laws apply on federal lands. A spark
arrester for the muffler is available through your nearest engine authorized service dealer or contact the service department, P.O. Box 361131
Cleveland, Ohio 44136-0019.

TROY-BILTLLC. P.O.BOX361131CLEVELAND,OHIO44136-0019

PRINTED IN U.S.A.

FORM NO.

769-00309B
(5/25/2004)

TABLEOFCONTENTS
Content

Page
3
5
6
7
8

Important Safe Operation Practices
Assembling Your Snow Thrower
Know Your Snow Thrower
Operating Your Snow Thrower
Making Adjustments

Content
Maintaining Your Snow Thrower
Troubleshooting
Illustrated Parts List
Warranty

Page
9
11
12
Back Cover

FINDINGMODELNUMBER
This Operator's Manual is an important part of your new snow thrower. It will help you assemble, prepare and
maintain the unit for best performance. Please read and understand what it says.
Before you start assembling your new equipment, please locate the model plate on the equipment
and copy the information from it in the space provided below. A sample model plate is also given below.
You can locate the model plate by standing at the operating position and looking down at the rear of the
deck. This information will be necessary to use the manufacturer's web site and/or help from the
Customer Support Department or an authorized service dealer.

OTRDV_BILT
www.troybik.com
..

Copy the model number

here:

Copy the serial number

here:

mOV-BILT
LLC
P= O= BOX 351131
CLEVELAND, ON 44136
338-558-7220
1-800-520-5520_

CUSTOMER
SUPPORT
Pleasedo NOTreh/m the l/nit to the retailer from where it waspurchased, withoutfirst contactingCustomerSupport.
If you have difficulty assembling this product or have any questions regarding the controls, operation or
maintenance of this unit, you can seek help from the experts. Choose from the options below:
Visit troy-bilt.com for many useful suggestions. Click on Customer Support button and you
will get the four options reproduced here. Click on the appropriate button and help is
immediately available.

Z;_;2SW4_Yy©U

_Y_

Iookinf] f_:_rcou/d b<_just
a m<:>useclk'k away!

]ooking lot _cou/d be just
a m_>use crick a_,_y!

IH eNl÷.

Ntela_l_l÷

fie_

ecell_

_e4e_

yeals_

To reach a Customer Support Representative, please call (866) 840-6483 or (330) 558-7220.

The engine manufacturer is responsible for all engine-related issues with regard to
performance, power-rating, specifications, warranty and service. Please refer to the engine
manufacturer's Owner's/Operator's Manual, packed separately with your unit, for more
information.

SECTION1: IMPORTANT
SAFEOPERATION
PRACTICES
,_

WARNING:
This and/or
symbol property
points out
important and
safety
instructions
which,
notinstructions
followed, could
the personal safety
of yourself
others.
Read and
followif all
in thisendanger
manual
before attempting to operate this machine. Failure to comply with these instructions may result in personal
injury. When you see this symbol--heed its warning.

chemicals
ARNING:
known
Engine
to State
Exhaust,
of California
some of
to its
cause
constituents,
cancer and
andbirth
certain
defects
vehicle
or other
components
reproductive
contain
harm.
or emit

DANGER: This machine was built to be operated according to the rules for safe operation in this manual, As with any type
of power equipment, carelessness or error on the part of the operator can result in serious injury. This machine is capable
of amputating hands and feet and throwing objects, Failure to observe the following safety instructions could result in
serious injury or death,

Training
1.

4.
5.

Read, understand, and follow all instructions on the
machine and in the manual(s) before attempting to
assemble and operate. Keep this manual in a safe place
for future and regular reference and for ordering
replacement parts.
Be familiar with all controls and their proper operation.
Know how to stop the machine and disengage them
quickly.
Never allow children under 14 years old to operate this
machine. Children 14 years old and over should read and
understand the operation instructions and safety rules in
this manual and should be trained and supervised by a
parent.
Never allow adults to operate this machine without
proper instruction.
Thrown objects can cause serious personal injury. Plan
your snow throwing pattern to avoid discharge of material
toward roads, bystanders and the like.
Keep bystanders, helpers, pets and children at least 75
feet from the machine while it is in operation. Stop
machine if anyone enters the area.
Exercise caution to avoid slipping or falling, especially
when operating in reverse.

8.
9.

Preparation
1.

4.
5.
6.
7.

running, except where specifically recommended in the
operator's manual.
Let engine and machine adjust to outdoor temperature
before starting to clear snow.
To avoid personal injury or property damage use extreme
care in handling gasoline. Gasoline is extremely
flammable and the vapors are explosive. Serious
personal injury can occur when gasoline is spilled on
yourself or your clothes which can ignite. Wash your skin
and change clothes immediately.
a. Use only an approved gasoline container.
b. Extinguish all cigarettes, cigars, pipes and other
sources of ignition.
c. Never fuel machine indoors.
d. Never remove gas cap or add fuel while the
engine is hot or running.
e. Allow engine to cool at least two minutes before
refueling.
f.
Never over fill fuel tank. Fill tank to no more than
Y2inch below bottom of filler neck to provide space
for fuel expansion.
g. Replace gasoline cap and tighten securely.
h. If gasoline is spilled, wipe it off the engine and
equipment. Move machine to another area. Wait 5
minutes before starting the engine.
i.
Never store the machine or fuel container inside

Thoroughly inspect the area where the equipment is to
be used. Remove all door mats, newspapers, sleds,
boards, wires and other objects which could be tripped
over or thrown by the auger/impeller,
Always wear safety glasses or eye shields during
operation and while performing an adjustment or repair to
protect your eyes. Thrown objects which ricochet can
cause serious injury to the eyes.
Do not operate without wearing adequate winter outer
garments. Do not wear jewelry, long scarves or other
loose clothing which could become entangled in moving
parts. Wear footwear which will improve footing on
slippery surfaces.
Use a grounded three wire extension cord and receptacle
for all units with electric start engines.
Adjust collector housing height to clear gravel or crushed
rock surfaces.
Disengage the control bail before starting the engine.
Never attempt to make any adjustments while engine is

where there is an open flame, spark or pilot light
(e.g. furnace, water heater, space heater, clothes
dryer etc.).
Allow machine to cool at least 5 minutes before
storing.

Operation
1.

4.
5.

Do not put hands or feet near rotating parts, in the auger/
impeller housing or chute assembly. Contact with rotating
parts can amputate hands and feet.
The auger/impeller control bail is a safety device. Never
bypass its operation. Doing so, makes the machine
unsafe and may cause personal injury.
The control bail must operate easily in both directions
and automatically return to the disengaged position when
released.
Never operate with a missing or damaged chute
assembly. Keep all safety devices in place and working.
Never run an engine indoors or in a poorly ventilated

area•Engine
exhaust
contains
carbon
monoxide,
an
Maintenance& Storage
odorless
anddeadly
gas.
1. Never tamper with safety devices• Check their proper
6. Donotoperate
machine
whileundertheinfluence
of
operation regularly•
alcohol
ordrugs•
2.
Disengage the control bail and stop engine• Wait until the
7. Mufflerandenginebecomehotandcancauseaburn.
Do
auger/impeller come to a complete stop. Disconnect the
nottouch•
spark plug wire and ground against the engine to prevent
8. Exercise
extreme
caution
whenoperating
onorcrossing
unintended starting before cleaning, repairing, or
gravel
surfaces•
Stayalertforhidden
hazards
ortraffic•
inspecting•
9. Exercise
caution
whenchanging
direction
andwhile
3. Check bolts, and screws for proper tightness at frequent
operating
onslopes•
intervals to keep the machine in safe working condition•
10.Planyoursnow
throwing
pattern
toavoiddischarge
Also, visually inspect machine for any damage•
towards
windows,
walls,carsetc.Toavoidproperty
4. Do not change the engine governor setting or over-speed
damage
orpersonal
injurycaused
bya ricochet•
the engine• The governor controls the maximum safe
11.Never
directdischarge
atchildren,
bystanders
andpets
operating speed of the engine•
orallowanyone
infrontofthemachine•
5. Snow thrower shave plates and skid shoes are subject to
12.Donotoverload
machine
capacity
byattempting
toclear
wear and damage• For your safety protection, frequently
snowattoofastofa rate.
check all components and replace with original
13.Never
operate
thismachine
without
goodvisibility
or
equipment manufacturer's (O.E.M.) parts only. "Use of
light•Always
besureofyourfooting
andkeepafirmhold
parts which do not meet the original equipment
onthehandles•
Walk,neverrun.
specifications may lead to improper performance and
14.Disengage
power
totheauger/impeller
when
compromtse safety•
transporting
ornotinuse.
6. Check the control bail periodically to verify they engage
15.Never
operate
machine
athightransport
speeds
on
and disengage properly and adjust, if necessary. Refer to
slippery
surfaces•
Lookdownandbehind
andusecare
the adjustment section in this operator's manual for
wheninreverse•
instructions•
16.Ifthemachine
should
starttovibrate
abnormally,
stopthe 7. Maintain or replace safety and instruction labels, as
engine,
disconnect
thesparkplugandground
itagainst
necessary.
theengine•
Inspect
thoroughly
fordamage•
Repair
any
8. Observe proper disposal laws and regulations for gas,
damage
before
starting
andoperating•
oil, etc. to protect the environment•
17.Disengage
thecontrol
bailandstopengine
before
you
9. Prior to storing, run machine a few minutes to clear snow
leavetheoperating
position
(behind
thehandles)•
Wait
from machine and prevent freeze up of auger/impeller.
untiltheauger/impeller
comes
toacomplete
stopbefore 10. Never store the machine or fuel container inside where
unclogging
thechuteassembly,
making
anyadjustments,
there is an open flame, spark or pilot light such as a water
orinspections•
heater, furnace ,clothes dryer etc.
18.Never
putyourhandinthedischarge
orcollector
11. Always refer to the operator's manual for proper
openings•
Always
useaclearing
tooltounclog
the
instructions on off-season storage•
discharge
opening•
YourResponsibility:
19.Useonlyattachments
andaccessories
approved
bythe
manufacturer
(e.g.wheel
weights,
tirechains,
cabsetc.). • Restrict the use of this power machine to persons
20. Ifsituations
occurwhicharenotcovered
inthismanual,
who read, understand and follow the warnings and
usecareandgoodjudgment•
Contact
yourdealer
or
instructions
in this manual and on the machine.
telephone
1-866-840-6483
forassistance
andthename
ofyournearest
servicing
dealer•

I.NEEPAWAY FROM RDTATUHG AUGER
CONTACT WUTHAUGER CANAMPUTATE
HANDSAND FEET•
2 D_SEHGAGE
CLUTCH
LEVERSSTOPENGIHE,
ANDREMAINBEHINDHANDLES
UNTILALL
MOWHGPARTSHAVESTOPPED
BEFORE
HHCLOGGUHG
OR SERVUCUHG
MACHUNE•
3• TOAVOUD
THROWNOBJECTSUHJHRUES,
NEVER
D_RECT
DISCNARGE
ATBYSTANDERS.
USEEXTRA
CAUTION
WHENOPENAT_NG
OH
GRAVELSURFACER
4 REAROPERATOR'S
_AHHAL.

SECTION2: ASSEMBLING
YOURSNOWTHROWER
NOTE: All references to left or right side of the snow
thrower is from the operating position only.

•
•

RaisingUpperHandle
•

Loosen the hand knob on each side of the handle.
Remove packing material, if any.

•

Remove the wing knob, flat washer and carriage
bolt from the lower chute. See Figure 2.
Pivot the upper chute upward over the lip on the
lower chute so that there is NO gap between the
upper chute and the lower chute. See Figure 2.
Re-secure with the hardware just remove

IMPORTANT: Do not use the chute handle to lift the
snow th rowe r.

Carriage Bolt and Flat Washer

Figure 1
•

•

Raise the upper handle in the direction shown in
Figure 1 until it clicks into the operating position.
Make sure not to pinch or crimp the cable.
Tighten the hand knobs.
Wing Knob

Assembling
the ChuteAssembly
For shipping reasons, the snow thrower has been
packaged with the upper chute pivoted all the way
down. To pivot it upward, proceed as follows:
•

Turn the chute until the chute opening is facing
straight ahead.

Figure 2

SECTION3: KNOWYOURSNOWTHROWER
_

stop
ARNING:
the machine
Beand
familiar
disengage
with all them
the controls
quickly.on the snow thrower and their proper operation. Know how to

er Control Handle
Recoil Starter

Gasoline Cap

Starter Button
Access

Chute Assem__

_Oil Fill

Lever
Choke

Auger S_ahavi Pla_tt__

Figure 3
AugerControl Handle
Located on the upper handle, the auger control handle
is used to engage and disengage the auger. The snow
thrower is designed to propel by the rotation of the
auger. Pull the auger control handle back against the
upper handle to engage the auger; release to
disengage.
Chute Assembly
The angle of the chute assembly controls the distance
that the snow is thrown. Pivot the chute assembly up for
greater distance, down for less distance. Loosen the
hand knob on the side of the chute assembly to adjust.
Tilt the chute to the desired position, and tighten the
knob.
Choke Lever
The location of the choke lever is indicated in Figure 3
inset. You will have to use this lever to start the engine.
Push the lever all the way up to the FULL/ON position,
orall the way down to the OFF position as desired.

Primer Button
Used to inject fuel directly into the carburetor to insure
fast starts in cold weather. Follow engine manual to
prime engine.
IgnitionKey
Used to start engine. Put key in "ON" position to start
for both electric and recoil start engines. Follow starting
instructions given in the next section.
RecoilStarter
Used to manually start the engine.
Electric Starter
Used to start engine with a 120V power source
Plug for Electric Start
Requires use of a three-prong outdoor extension cord
and a 120V power source
Spark Plug Access
Spark plug located under the access cover.

SECTION4: OPERATING
YOURSNOWTHROWER
BeforeStarting

•

instructions
ARNING:andRead,
warnings
understand,
on the machine
and follow
and
all
in this manual before operating.

•

The spark plug wire was disconnected for safety.
Attach spark plug wire to spark plug before starting.

•

GasandOilFill-Up
•

•

Check oil and gasoline level and add if necessary.
Follow related instructions in the separate engine
manual packed with your snow thrower.
•

WARNING:
Use Gasoline
extreme is
care
when
handling gasoline.
extremely
flammable and the vapors are explosive. Never
fuel the machine indoors or while the engine is
hot or running. Extinguish cigarettes, cigars,
pipes and other sources of ignition.

ToStartEngine
•
•

•
•

•

Insert ignition key into slot. Turn key to ON position.
Now follow the instructions below as it pertains to
your unit. See Figure 4 for location of controls.

•

Electric Starter
•
_

used with a properly
WARNING:
The electric
grounded
starter
three-prong
must be
receptacle at all times to avoid the possibility of
electric shock. Follow all instructions carefully
prior to operating the electric starter.

•
•
•
•

If you have a grounded three-prong receptacle,
proceed as follows.
Move Choke Control to "Full" position.
Push Primer three (3) times, making sure to cover
vent hole when pushing.Connect power cord to
switch box on dash panel. Plug the other end of
power cord into a three-prong 120-volt, grounded,
AC receptacle.
Push starter button to crank engine. As you crank
the engine, move choke lever to FULL choke
position.
When engine starts, release starter button, and
move choke gradually to OFF. If engine falters,
move choke immediately to FULL and then
gradually to OFF.
When disconnecting the powercord, always unplug
from the three-prong receptacle first, and then from
the snow thrower.

Move choke lever to FULL choke position (cold
engine start).
If engine is warm, place choke in OFF position
instead of FULL.
Push primer button two or three times for cold
engine start.
If engine is warm, push primer button only once.

NOTE: Always cover vent hole in primer button when
pushing. Additional priming may be necessary for first
start if temperature is below 15 degrees Fahrenheit.
•
•

•

Figure 4

If your home wiring system is not a three-wire
grounded system, do not use this electric starter
under any conditions.
If your home electrical system is grounded, but
a three-hole receptacle is not available, one should
be installed by a licensed electrician before using
the electric starter.

RecoilStarter

Auger control handle

Starter

The electric starter is equipped with a grounded
three-wire power cord and plug, and is designed to
operate on 120 volt AC household current.
Determine that your house wiring is a three-wire
grounded system. Ask a licensed electrician if you
are not certain.

Grasp starter handle and pull rope out slowly, until
it pulls slightly harder. Let rope rewind slowly.
Pull starter handle rapidly. Do not allow handle to
snap back. Allow it to rewind slowly while keeping a
firm hold on the starter handle.
As engine warms up and begins to operate evenly,
rotate choke lever slowly to OFF position. If engine
falters, return to FULL choke, then slowly move to
OFF position.

ToStopEngine

•

To stop engine, turn ignition key counter-clockwise.
Disconnect the spark plug wire from the spark plug
to prevent accidental starting while equipment is
unattended.
To help prevent possible freeze-up of starter,
proceed as follows:
•
•

•

Position the chute assembly opening by using the
Chute Handle to throw the snow in the desired
direction. See Figure 5.

Wing
Chute

Run engine for a few minutes before stopping to
help dry off any moisture on the engine.
Electric Starter: Connect power cord to switch box
on engine, then to 120 volt AC receptacle. With the
engine running, push starter button and spin the
starter for several seconds. The unusual sound
made by spinning the starter will not harm engine or
starter. Disconnect the power cord from receptacle
first, and then from switch box.
Recoil Starter: With engine running, pull starter
rope with a rapid, continuous full arm stroke three
or four times. Pulling the starter rope will produce a
loud clattering sound, which is not harmful to the
engine or starter.
Wipe all snow and moisture from the carburetor
cover in the area of the control levers. Also, move
control levers back and forth several times. Leave
throttle control lever in the STOP or OFF position.
Leave choke control in the FULL choke position.
Remove ignition key and disconnect spark plug
wire to prevent accidental starting.

Operatingthe SnowThrower

Chut/eHandle
Figure 5

OperatingTips
•
•

Discharge snow downwind whenever possible.
Slightly overlap each previously cleared path.
Lifting up on the handle will allow the rubber on the
augers to propel the snow thrower forward. Pushing
downward on the handle will raise the augers off
the ground and stop forward motion.

NOTE: Excessive upward pressure on the handle will
result in premature wear on the rubber auger blades
which would not be covered by warranty.
•
•

Run the engine for a few minutes before stopping to
help dry any moisture on the engine.
Clean the snow thrower thoroughly after each use.

The pitch of the chute assembly controls the angle at
which the snow is thrown.
•

Loosen the wing knob found on the left side of the
chute assembly and pivot the upper chute upward
or downward to the desired pitch. Retighten the
wing knob before operating the snow thrower.

areas
ARNING:
become hot
Muffler,
and can
engine
cause
andasurrounding
burn. Do
not touch.

SECTION5: MAKINGADJUSTMENTS
NOTE: On new units or units with a new shave plate
installed, the augers may be slightly off the ground.
_

adjustments
ARNING: while
NEVER
the engine
attemptis to
running,
make any
except where specified in the operator's
manual.

ShavePlate
•

To check the adjustment of the shave plate, place
the unit on a level surface. See Figure 6. The
wheels, shave plate and augers should all contact
level surface. Note that if the shave plate is
adjusted too high, snow may blow under the
housing. If the shave plate wears out excessively,
or the unit does not self-propel, the shave plate
may be too low and needs to be adjusted.

Augers

Shave Plate

Figure 6

To adjust, tip the snow thrower back so that it rests
on the handle. Loosen the four lock nuts and bolts
which secure the shave plate to the housing. See
Figure 7. Move the shave plate to desired position
and retighten the nuts and bolts securely.

If the auger seems to hesitate when rotating while the
engine maintains a constant speed, an adjustment is
necessary. Proceed as follows:
The upper hole in the control handle provides for an
adjustment in cable tension. To adjust, disconnect the
end of control cable from the bottom hole in the control
handle and reinsert it in the upper hole. Test the snow
thrower to see if there is a noticeable difference.

Carburetor
-

ISo

IS.

•

made
ARNING:
to the engine
If anywhile
adjustments
the engine
need
is running
to be
(e.g. carburetor), keep clear of all moving parts.
Be careful of muffler, engine and other
surrounding heated surfaces.
Refer to the separate engine manual, packed with
your unit, for carburetor adjustment information.

Lock Nut & Carriage Bolt
Figure 7

ControlCable
As a result of both the control cable and the drive belt
stretching due to wear, periodic adjustments may be
necessary.

SECTION6: MAINTAININGYOURSNOWTHROWER
Pull up on the idler pulley and slip the belt off the
engine pulley. See Figure 9.

inspecting,
ARNING:disengage
Before servicing,
the controlrepairing,
bail and stop
or
engine. Wait until all moving parts have come
to a complete stop. Disconnect spark plug wire
and ground it against the engine to prevent
unintended starting.

_lley

ReplacingBelt

Engine

•

Pulley

Remove the belt cover by removing five hex
screws. See Figure 8.

Rex

Screw
Pulley
•

Belt

Figure 9
Reassemble new belt. Reinstall the belt cover.

ReplacingShavePlate
Hex Screw

Belt Cover
Figure 8

The shave plate is attached to the bottom of the auger
housing and is subject to wear. It should be checked
periodically. There are two wearing edges and the
shave plate can be reversed. Refer to Figure 6.
•

Remove the four carriage bolts and hex lock nuts
which attach it to the snow thrower housing.

•
•

Installnewshaveplate,makingsuretheheadsof
thecarriageboltsareontheinsideofthehousing.
Adjusttheshaveplateaccording
toinstructions
on
page8.Tightensecurely.

ReplacingtheAuger'sRubberPaddles
The snow thrower auger's rubber paddles are subject
to wear and should be replaced if any signs of
excessive wear is present.

Engine
•
•

IMPORTANT: Do NOT allow the auger's rubber paddles
to wear to the point where portions of the metal auger
itself can come in contact with the pavement. Doing so
can result in serious damage to your snow thrower.

Refer to the separate engine manual for all engine
maintenance procedures.
Check engine and snow thrower frequently for
loose hardware, and tighten as needed.

NOTE: Call 1-866-840-6483 for information regarding
the price and availability of Auger Kit 753-04472 or
contact an authorized Troy-bilt Service Dealer in your
area).

Lubrication
Lubricate pivot points on the control handle and the
extension spring at the end of the control cable with a
light oil once every season and before storage of the
snow thrower at the end of the season.

To change the rubber paddles, proceed as follows:
•

•

Remove the existing rubber paddles by
unthreading the self-tapping screws which secure
them to the auger.
Secure the replacement rubber paddles to the
auger using the hardware removed earlier.

SECTION7: OFF-SEASON
STORAGE
_

tank
ARNING:
indoors or Never
in enclosed,
store engine
poorly with
ventilated
fuel in
areas where fuel fumes may reach an open
flame, spark or pilot light as on a furnace, water
heater, clothes dryer, or other gas appliance.

•
•
•
•

Clean snowthrowerthoroughly.
Lubricate as instructed above with a light oil.
Follow "Storage" instructions in the Engine Manual.
Store in a clean, dry area. Block the snow thrower
up so it is not resting on the rubber auger blades.

NOTE: When storing in a metal storage shed, rustproof
the equipment, especially springs, cables and all
moving parts.When
storing any type of power
equipment in a poorly ventilated or metal storage shed,
care should be taken to rustproof the equipment,
especially springs, cables and all moving parts.

SECTION8: TROUBLESHOOTING
GUIDE
Problem
Engine fails to start

Cause

Remedy

1.
2.

Fuel tank empty, or stale fuel
Blocked fuel line

1.
2.

Fill tank with clean fresh gasoline.
Clean fuel line

3.
4.
5.
6.

Key not in ON position
Spark plug wire disconnected
Faulty spark plug
Engine not primed

3.
4.
5.

Engine flooded from excessive priming

Insert key and turn to ON position
Connect wire to spark plug.
Clean spark plug, readjust gap, or
replace.
Prime engine four times.
Wait at least ten minutes before

6.
7.

starting.
Engine runs erratic

1.
2.

Unit running on choke
Fuel line blocked, or stale fuel

1.
2.

3.
4.

Water or dirt in fuel system
Carburetor out of adjustment

3.
4.

Move choke lever to OFF position.
Clean fuel line and fill tank with fresh,
clean gasoline.
Refer to engine manual for remedy.
Refer to engine manual for remedy.

Engine overheats

Carburetor out of adjustment

Refer to engine manual for instruction

Loss of power

1.
2.

Spark plug wire loose
Vent in gas cap plugged

1.
2.

Firmly connect spark plug wire.
Clear vent.

Excessive vibration

Loose parts or damaged auger

Stop engine immediately and
disconnect spark plug wire. Check for
possible damage. Tighten all bolts
and nuts. Repair as needed. If the
problem persists, take unit to an
authorized service dealer.

Unit fails to selfpropel

Drive cable out of adjustment

Drive belt loose or damaged

Adjust control cable following
instructions on page 9 of this manual.
Replace drive belt.

Chute assembly clogged

Foreign object lodged in auger

Control cable not adjusted properly

Drive belt loose or damaged

Unit fails to
discharge snow

Stop engine immediately and
disconnect spark plug wire. Clean
chute assembly and the auger
housing.
Stop engine immediately and
disconnect spark plug wire. Remove
object.
Adjust control cable following
instructions on page 9 of this manual.
Replace drive belt.

NOTE: For repairs beyond the minor adjustments listed above, contact your nearest authorized service
representative or call 1-866-840-6483 for the Customer Support Center. Refer to the engine manual for more
engine rela ted information.

SECTION9: PARTSLIST

_35

46
24

12
43

18
42

14
37
11
18
16

28
22

30
22

l'\o

15
19

Model521
REE
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51

PART
NO.
684-04027A
684-04028
710-0134
684-04025
710-3008
710-0653
710-0597
710-0433
710-0896
710-1005
712-04064
712-04063
735-04032
726-0299
731-1033
732-0357A
735-04033
736-0176
736-0326
736-0329
734-04063
741-0600
741-0919
746-04091
748-0234
749-04114
750-04230
784-5174
790-00039
790-00045
790-00062
684-0178
684-04029
710-0895
710-1003
710-1090
710-1882
710-3083
712-0252
749-04106
725-0201
725-2018
736-0225
736-0400
736-0451
7510009636
710-0487
720-0284
710-0157
710-0451
747-04159

DESCRIPTION
Auger Assembly Complete
Auger Housing Assembly
Screw, 1/4-20 x .62
Auger Weldment Assembly, 21"
Truss Machine Screw, 5/16-18 x .75
Self-tapping Screw, 1/4-20 x .375"
Hex Screw, 1/4-20 x 1.00 Gr. 5
Self-tapping Screw, 1/4-20 x .625"
Hex Screw, 1/4-14 x 0.625"
Self-tapping Screw, 1/4-14 x .50"
Hex Flange Lock Nut, 1/4-20
Hex Flange Lock Nut, 5/16-18, Gr. 5
Rubber Spiral
Push Cap, 1/2"
Shave Plate, 19.88
Extension Spring .33 x 1.12
Rubber Paddle
Flat Washer .265 x .938 x .120
Fiat Washer .510 x 1.00 x .125
Lock Washer, 1/4
Wheel, 7 x 1.5 Star Gray
Ball Bearing 17 x 40 x 12
Ball Bearing
Control Cable
Shoulder Spacer .25
Lower Handle
Flange Spacer
Bearing Cup
Idler Bracket w/Brake
Belt Cover
Belt Keeper
Mitten Grip Bracket
Shroud Assembly, Black
Screw, 1/4-15 x .75
Self-tapping Screw, #10-16 x .625"
Hex Flange Screw, 5/16-18x 1.25
Hex Flange Screw 5/16-18 x 1.50 Gr. 5
Hex Screw, 5/16-18 x 1.375
Hex Nut 5/8-32 x .12 Special
Upper Handle, Gull Wing
Ignition Key
Key Switch-Electric Start
Lock Washer Internal .625 x 1.058
Flat Washer .194" x .62" x .063
Saddle Washer .320 x .93
Recoil Handle, Mitten
Carriage Bolt 5/16-18 x 2.0 Gr. 1
Handle Knob Assembly 5/16-18
Hex Screw 5/16-24 x .75 Gr. 5
Carriage Bolt, 5/16-18 x.075 GR 1
Bail, Gull Wing

Model521

REE
NO.
1
2
3
4
5
6
7
8
9
10
11

PART
NO.
710-04071
710-0451
712-04063
720-0284
731-04127
731-04353
731-04886
731-04388
731-04426
732-04111
736-0159

DESCRIPTION
Carriage Screw, 5/16-18 x 1.0
Carriage Bolt, 5/16-18 x.075 GR 1
Hex Flange Lock Nut, 5/16-18, Gr. 5
Handle Knob Assembly 5/16-18
Lower Chute 5" Dia
Ring-Lower Chute
Chute, Adapter 5" Dia
Handle-Chute 5" Dia
Upper Chute
Chute Adjustment Spring
Flat Washer,.349 ID x .879 OD x .063
14

Model521
18
24

7
8

13
3
21
21
14
23
4

22
20
REE
NO.
1
2
3
4
5
6
7
8
9
10
12
13
14
15
16
17
18
19
2O
21
22
23
24
25

PART
NO.
629-0071
710-0627
710-0409
710-0654A
710-0896
710-1003
7511152847
750-04297
726-0205
726-0470
731-2825
736-0119
736-0149
7512B1476
747-04169
751-0535
751-10049
751-10023
751-0101A
756-0416B
756-0475
790-00047
790-00134
726-0201

DESCRIPTION
Extension Cord
Hex Screw, 5/16-24 x .75
Hex Screw, 5/16-24 x 1.75
Self Tapping Screw, 3/8-16 x 1.00
Hex Screw, 1/4-20 x .62
Screw, #10-16 x .625
Primer Hose
Spacer, Engine
Clamp, Hose
Cable Tie
Knob, Choke
Washer, Lock 5/16
Bell Washer, .349 x .879 x .063
Primer
Support, Wire Gas Tank
Hose, Fuel Line
Cap, Fuel
Tank, Fuel
V-Belt, 1/2
Pulley Half, .625 ID x 2.25 OD
Pulley, 1/2 V 1/2-20 LH x 6.0
Bracket, Engine
Bracket Support Gas Tank
Speed Nut, .3125

MANUFACTURER'S

LIMITED WARRANTY

FOR:
®

The limited warranty set forth below is given by Troy-Bilt LLC
with respect to new merchandise purchased and used in the
United States and/or its territories and possessions, and by
MTD Products Limited with respect to new merchandise
purchased and used in Canada and/or its territories and
possessions (either entity respectively, "Troy-Bilff).
"Troy-Bilt" warrants this product (excluding its normal wear
parts as described below) against defects in material and
workmanship for a period of two (2) years commencing on the
date of original purchase and will, at its option, repair or
replace, free of charge, any part found to be defective in
materials or workmanship. This limited warranty shall only
apply if this product has been operated and maintained in
accordance with the Operator's Manual furnished with the
product, and has not been subject to misuse, abuse,
commercial use, neglect, accident, improper maintenance,
alteration, vandalism, theft, fire, water, or damage because of
other peril or natural disaster. Damage resulting from the
installation or use of any part, accessory or attachment not
approved by Troy-Bilt for use with the product(s) covered by
this manual will void your warranty as to any resulting
damage.
Normal wear parts are warranted to be free from defects in
material and workmanship for a period of thirty (30) days from
the date of purchase. Normal wear parts include, but are not
limited to items such as: batteries, belts, blades, blade
adapters, grass bags, rider deck wheels, seats, snow thrower
skid shoes, friction wheels, shave plates, auger spiral rubber
and tires.
HOW TO OBTAIN SERVICE: Warranty service is available,
WITH PROOF OF PURCHASE, through your local authorized
service dealer. To locate the dealer in your area:
In the U.S.A.
Check your Yellow Pages, or contact Troy-Bilt LLC at P.O.
Box 361131, Cleveland, Ohio 44136-0019, or call 1-866-8406483 or 1-330-558-7220, or log on to our Web site at
www.troybilt.com.
In Canada
Contact MTD Products Limited, Kitchener, ON N2G 4J1, or
call 1-800-668-1238 or log on to our Web site at
www.mtdcanada.com.
This limited warranty does not provide coverage in the
following cases:
a.

b.
c.

The engine or component parts thereof. These items
may carry a separate manufacturer's warranty. Refer
to applicable manufacturer's warranty for terms and
conditions.
Log splitter pumps, valves, and cylinders have a
separate one- year warranty.
Routine maintenance items such as lubricants, filters,
blade sharpening, tune-ups, brake adjustments, clutch
adjustments, deck adjustments, and normal

m_m

deterioration of the exterior finish due to use or
d.
e.

f.
g.
h.

exposure.
Service completed by someone other than an
authorized service dealer.
Troy-Bilt does not extend any warranty for products
sold or exported outside of the United States and/or
Canada, and their respective possessions and
territories, except those sold through Troy-Bilt's
authorized channels of export distribution.
Replacement parts that are not genuine Troy-Bilt parts.
Transportation charges and service calls.
If Products are used commercially. (Troy-Biltmay
separately offer Limited Commercial Warranties on
certain select products. Ask your dealer or retailer for
details or contact Troy-Bilt Service for more
information.)

No implied warranty, including any implied warranty of
merchantability of fitness for a particular purpose,
applies after the applicable period of express written
warranty above as to the parts as identified. No other
express warranty, whether written or oral, except as
mentioned above, given by any person or entity,
including a dealer or retailer, with respect to any product,
shall bind Troy-Bilt. During the period of the warranty, the
exclusive remedy is repair or replacement of the product
as set forth above.
The provisions as set forth in this warranty provide the
sole and exclusive remedy arising from the sale. Troy-Bilt
shall not be liable for incidental or consequential loss or
damage including, without limitation, expenses incurred
for substitute or replacement lawn care services or for
rental expenses to temporarily replace a warranted
product.
Some jurisdictions do not allow the exclusion or limitation of
incidental or consequential damages, or limitations on how
long an implied warranty lasts, so the above exclusions or
limitations may not apply to you.
In no event shall recovery of any kind be greater than the
amount of the purchase price of the product sold. Alteration
of safety features of the product shall void this warranty.
You assume the risk and liability for loss, damage, or injury to
you and your property and/or to others and their property
arising out of the misuse or inability to use the product.
This limited warranty shall not extend to anyone other than
the original purchaser or to the person for whom it was
purchased as a gift.
HOW LOCAL LAWS RELATE TO THIS WARRANTY: This
limited warranty gives you specific legal rights, and you may
also have other rights that vary in different jurisdictions.
IMPORTANT: Owner must present Original
Purchase to obtain warranty coverage.

Proof of

Troy-Bilt LLC, P.O. BOX361131CLEVELAND,OHIO44136-0019; Phone:1-866-840-6483,1-330-558-7220
MTD Canada Limited - KITCHENER,ON N2G4J1; Phone1-800-668-1238

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Troybilt 31AS2B5 711 User Manual SNOW THROWER Manuals And Guides L0407490

TROYBILT Snowthrower, Gas Manual L0407490 TROYBILT Snowthrower, Gas Owner's Manual, TROYBILT Snowthrower, Gas installation guides

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