Yard-Man 7L3 Operator's Manual

Operator's Manual

SNOW THROWER

MODEL 7L3

IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY

Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-

covered, brush-covered 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.

MTD LLC P.O. BOX 361131 CLEVELAND, OHIO 44136-0019

PRINTED IN U.S.A. FORM NO. 770-10021F

(6/04)

TABLEOFCONTENTS

Content

Important Safe Operation Practices

Assembling Your Snow Thrower
Know Your Snow Thrower

Operating Your Snow Thrower
Adjusting Your Snow Thrower

Page Content Page

3 Maintaining Your Snow Thrower 12
5 Servicing Your Snow Thrower 12
6 Trouble Shooting 16

7 Illustrated Parts List 18

10 Warranty 28

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 inthe space provided below. A sample model plate is
also given below. You can locate the model plate by looking at the lower frame cover on the rear
of your snow thrower. 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.

Copy the model number here:

YaRD-MaN)//Po Box=o,,=,

www.yardr'nan.com 330-220-4683

MTD LLC

CLEVELAND,OH 44136

888-888-731 8

Copy the serial number here:

CUSTOMERSUPPORT

Please doNOTretum theunittotheretailerfromwhereit waspurchased,withoutfirstcontactingCustomerSupport.

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 yardman.corn 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.

_RSWQF you _;_F_?

a mouse crick aw_y!

If you prefer to reach a Customer Support Representative, please call 1-800-800-7310.

[ _/(}i_ to cl_eck tile _tatl_ e_ yo_l _l_esti<_lls,

/ooking for could be just
a mouse click aw_y!

The engine manufacturer is responsible for all engine-related issues with regards to
performance, power-rating, specifications, warranty and service. Please refer to the engine

M nual

_lEn ine

manufacturer's Owner's/Operator's Manual, packed separately with your unit, for more
information.

SECTION1: IMPORTANTSAFEOPERATIONPRACTICES

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TRAINING

1. Read, understand, and follow all instructions on the
machine and in the manual(s) before attempting to
assemble and operate. Keep this manual in asafe place

for future and regular reference and for ordering

replacement parts.

2. Be familiar with all controls and their proper operation.
Know how to stop the machine and disengage them
quickly.

3. 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.

4. Never allow adults to operate this machine without
proper instruction.

5. Thrown objects can cause serious personal injury. Plan

your snow-throwing pattern to avoid discharge of material
toward roads, bystanders and the like.

6. 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.

7. Exercise caution to avoid slipping or falling, especially
when operating in reverse.

PREPARATION

1. Thoroughly inspect the area where the equipment is to
be used. Remove all doormats, newspapers, sleds,
boards, wires and other foreign objects, which could be

tripped over or thrown by the auger/impeller.

2. 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.

3. 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.

4. Use a grounded three-wire extension cord and
receptacle for all units with electric start engines.

5. Adjust collector housing height to clear gravel or crushed
rock su rfaces.

6. Disengage all clutch levers before starting the engine.

Never attempt to make any adjustments while engine is
running, except where specifically recommended inthe

operator's manual.

8,

Let engine and machine adjust to outdoor temperature

before starting to clear snow.

9.

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 oryour 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 tankto no more than

1/2inch 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

where there is an open flame, spark or pilot light

(e.g. furnace, water heater, space heater, clothes

dryer etc.).
j. Allow machine to cool at least 5 minutes before

storing.

OPERATION

1. Do not put hands or feet near rotating parts, in the auger/
impeller housing or chute assembly. Contact with the
rotating parts can amputate hands and feet.

2. The auger/impeller control is a safety device. Never
bypass its operation. Doing so makes the machine

unsafe and may cause personal injury.

3. The controls must operate easily in both directions and
automatically return to the disengaged position when

released.

4. Never operate with a missing or damaged chute
assembly. Keep all safety devices in place and working.

5. Neverrunanengineindoorsorinapoorlyventilated
area.Engineexhaustcontainscarbonmonoxide,an
odorlessanddeadlygas.

6. Donotoperatemachinewhileundertheinfluenceof
alcoholordrugs.

7. Mufflerandenginebecomehotandcancauseaburn.Do
nottouch.

8. Exerciseextremecautionwhenoperatingonorcrossing
gravelsurfaces.Stayalertforhiddenhazardsortraffic.

9. Exercisecautionwhenchangingdirectionandwhile
operatingonslopes.

10.Planyoursnow-throwingpatterntoavoiddischarge

towardswindows,walls,carsetc.Thus,avoidingpossible

propertydamageorpersonalinjurycausedbyaricochet.

11.Neverdirectdischargeatchildren,bystandersandpets
orallowanyoneinfrontofthemachine.

12.Donotoverloadmachinecapacitybyattemptingtoclear
snowattoofastofarate.

13.Neveroperatethismachinewithoutgoodvisibilityorlight.
Alwaysbesureofyourfootingandkeepafirmholdon

thehandles.Walk,neverrun.

14.Disengagepowertotheauger/impellerwhen

transportingornotinuse.

15.Neveroperatemachineathightransportspeedson
slipperysurfaces.Lookdownandbehindandusecare

wheninreverse.

16.Ifthemachineshouldstarttovibrateabnormally,stopthe
engine,disconnectthesparkplugwireandgroundit
againsttheengine.Inspectthoroughlyfordamage.
Repairanydamagebeforestartingandoperating.

17.Disengageallcontrolsandstopenginebeforeyouleave

theoperatingposition(behindthehandles).Waituntilthe

auger/impellercomestoacompletestopbefore
uncloggingthechuteassembly,makinganyadjustments,
orinspections.

18.Neverputyourhandinthedischargeorcollector
openings.Alwaysusetheclean-outtoolprovidedto
unclogthedischargeopening.Donotunclogchute
assemblywhileengineisrunning.Shutoffengineand
remainbehindhandlesuntilallmovingpartshave
stoppedbeforeunclogging.

19.Useonlyattachmentsandaccessoriesapprovedbythe
manufacturer(e.g.wheelweights,tirechains,cabsetc.).

20.Ifsituationsoccurwhicharenotcoveredinthismanual,
usecareandgoodjudgment.Contactyourdealeror

telephone[phone]forassistanceandthename

ofyournearestservicingdealer.

MAINTENANCEANDSTORAGE

1. Never tamper with safety devices. Check their proper
operation regularly. Refer to the maintenance and
adjustment sections of this manual.

2. Before cleaning, repairing, or inspecting machine
disengage all controls and stop engine. Wait until the
auger/impeller come to a complete stop. Disconnect the
spark plug wire and ground against the engine to prevent
unintended starting.

3. Check bolts and screws for proper tightness at frequent
intervals to keep the machine in safe working condition.
Also, visually inspect machine for any damage.

4. Do not change the engine governor setting or over-speed

the engine. The governor controls the maximum safe

operating speed of the engine.

5. Snow thrower shave plates and skid shoes are subject to
wear and damage. For your safety protection, frequently
check all components and replace with original
equipment manufacturer's (OEM) parts only. "Use of
parts which do not meet the original equipment
specifications may lead to improper performance and
compromise safety!"

6. Check clutch controls periodically to verify they engage
and disengage properly and adjust, if necessary. Refer to

the adjustment section in this operator's manual for

instructions.

7. Maintain or replace safety and instruction labels, as
necessary.

8. Observe proper disposal laws and regulations for gas, oil,
etc. to protect the environment.

9. Prior to storing, run machine a few minutes to clear snow

from machine and prevent freeze up of auger/impeller.

10. Never store the machine or fuel container inside where
there is an open flame, spark or pilot light such as a water

heater, furnace, clothes dryer etc.

11. Always refer to the operator's manual for proper

instructions on off-season storage.

WARNING: Restrict the use of this power

machine to persons who read, understand
and follow the warnings and instructions

in this manual and on the machine.

1.KEEPAWAYFROMROTATINGIMPELLER

ANDAUGER.CONTACTWITHIMPELLEROR
AUGERCANAMPUTATEHANDSANDFEET.

2. USECLEAN-OUTTOOLTOUNCLOG
DISCHARGECHUTE.

3. DISENGAGECLUTCHLEVERS,STOPENGINE,
ANDREMAINBEHINDHANDLESUNTILALL

MOVINGPARTSHAVESTOPPEDBEFORE
UNCLOGGINGORSERVICINGMACHINE.

4. TOAVOIDTHROWNOBJECTSINJURIES,
NEVERDIRECTDISCHARGEATBYSTANDERS.
USEEXTRACAUTIONWHENOPERATINGON

GRAVELSURFACES.

5. READ OPERATOR'SMANUAL.

_LEAN-OUT TOOL Im_=4m_

SECTION2: ASSEMBLINGYOURSNOWTHROWER

NOTE: References to right or left side of the snow

thrower are determined from behind the un# in the
operating position. The "operator's position" is defined

as standing directly behind the snow thrower, facing the
handle panel.

Unpacking

• Remove screws from the top sides and ends of the
shipping crate.

• Set panel aside to avoid tire punctures or personal
injury.

• Remove and discard plastic bag that covers unit.

• Remove any loose parts included with unit (i.e.,
Operator's Manual, etc.).

• Roll unit out of crate.

LooseParts

The augers are secured to the auger shaft with two
shear bolts and flange lock nuts. If you hit a foreign
object or ice jam, the snow thrower is designed so that
the bolts may shear. Two replacement shear bolts and
nuts are provided for your convenience. Store in a safe
place until needed. See Figure 1.

• Raise the upper handle assembly until it locks over
the lower handle.

• Look at the lower rear of snow thrower frame to be
sure both cables are aligned with cable roller

guides.

• Secure the upper handle and lower handle with the
two plastic wing knobs, cupped washers and
carriage bolts previously removed and tighten the

upper two plastic wing knobs. See Figure 3.

Wing

Figure 3

• Slide the shift rod connector down over the end of
the lower shift rod. Tap the connector until it locks

on the lower shift rod. See Figure 3.

__, FlatnsgeL°ck

Figure 1

Assembly

_, WARNING: Disconnect the spark plug

• Remove the lower two plastic wing knobs, cupped

Lower Handle

wire and ground it against the engine to
prevent unintended starting.

washers and carriage bolts from each side of the

lower handle. See Figure 2.

Upper Handle

Ning Knobs,

Washers, & Bolts

NOTE: If the connector is not properly assembled, the
shift rod will pivot and you will not be able to change
speeds or change directions.

• If not already attached, slip the cables that run from
the handle panel to the chute into the cable guide

located on top of the engine. See Figure 4.

Cable Guide

Figure 4

• Unwrap the headlight wire, which is attached to the

headlight beneath the handle panel.

• Wind the headlight wire around the right handle

until excess slack is removed.

• Plug the wire from the headlight into the wire lead
coming from the right side of the engine, beneath

the fuel tank.

Figure 2

SECTION3: KNOWYOURSNOWTHROWER

Drive Control / .,

Auger Control Lock Tilt

Heated
Switch

Control

Headlig

Chute

Assembh

Control

Aug

all instructions and warnings on the
WARNING: Read, understand, and follow

machine and in this manual before
operating.

Shoe

Figure 5

DriveControl/AugerControlLock

The drive control is located on the right handle.
Squeeze the drive control to engage the wheel drive.
Release to stop. See Figure 5.

The drive control also locks the auger control so you
can turn the chute directional control without

interrupting the snow throwing process. If the auger
control is engaged along with the drive control, the
operator can release the auger control (on the left
handle) and the augers will remain engaged. Release
both controls to stop the augers and track drive.

IMPORTANT:Always release drive control before
changing speeds.

AugerControl

The auger control is located on the left handle.
Squeeze the auger control to engage the augers.
Release to stop the snow throwing action. (Drive
control must also be released.) See Figure 5.

IMPORTANT:Refer to AugerControlTeston page 9 prior to
operating your snow thrower. Read and follow all
instructions carefully and perform all adjustments to
verify your snow thrower is operating safely and
properly.

er Control

Control

Directional I_Q

g

Primer___J _ia_-er-

Choke_ _ _SoWxtCh

Sgf_t_YnKey T _ _ _)))_J_ _Recoil

_Button

Throttl_ Staanrt_r
Control

Electric

ChuteTiltControl

The distance snow is thrown can be changed by
adjusting the angle of the upper chute. Move the chute
tilt control forward to decrease the distance, and

backwards to increase distance. See Figure 5.

SkidShoe

The space between the shave plate and the ground can

be adjusted by positioning the skid shoes. Refer to Skid

ShoeAdjustmenton page 11.

ShiftLever

The shift lever is located in the center of the handle

panel and is used to determine both ground speed and

direction of travel. It can be moved into any of eight

positions. See Figure 5.

Forward

Your snow thrower has six forward (F) speeds, with

position number one (1) being the slowest speed.

Reverse

Your snow thrower has two reverse (R) speeds, with

position number one (1) being the slowest speed.
IMPORTANT:Always release drive control before

changing speeds.

ChuteDirectionalControl

The chute directional control islocated on left side of
the snow thrower. See Figure 5.

Tochangethedirectioninwhichsnowisthrown,turn
chutedirectionalcontrolasfollows:

• Crankclockwisetodischargetotheleft.

• Crankcounterclockwisetodischargetotheright.

IMPORTANT:Do NOT attempt to turn the key.

Headlight

The headlight ison whenever the engine isrunning.

HeatedHandlesSwitch

This switch is located on the right side of the snow
thrower dash panel. To activate the heated handles,
toggle the switch to the right to generate heat within the

handle grips. Toggle the switch to the left to the OFF
position after using the snow thrower. See Figure 5.

NOTE: The heated handles grips are a compliment to,

not a substitute for, proper cold weather outerwear for
the operator's hands. It is recommended that the snow
thrower operator wear gloves/mittens to avoid
extremities of winter while operating this equipment.

TrackSteeringControls

The left and right track steering controls are located on
the underside of the handles and they are used to
assist in steering the snow thrower. Squeeze the right
track control when turning right, squeeze the left control
when turning left. Operate your snow thrower in open
areas until you become familiar with these controls.
See Figure 5.

NOTE: It is easier to maneuver a non-running snow

thrower with both track steering controls held in
simultaneously.

TrackLockLever

The track lock lever is located on the right side of the

snow thrower and is used to select the position of the
auger housing and the method of track operation. Move
the lever to the right, then forward or backward to one of
the three positions. See Figure 6.

Transport:Raises the front end of the snow thrower for

easy transport. Using proper caution, this position may
also be used on many gravel driveways to clear snow
while leaving gravel undisturbed.

Normal Snow:Allows the tracks to be suspended

independently for continuous ground contact.

PackedSnow:Locks the front end of the snow thrower
down to the ground for hard-packed or icy snow

conditions.

Lever

Snow

ThrottleControl

The throttle control is located on the engine. It regulates
the speed of the engine and will shut off the engine
when pushed down completely. See Figure 5.

Normal
Snow

SafetyIgnitionKey

The safety ignition key must be fully inserted and
snapped in place before the unit will start. Remove the
ignition key to prevent unauthorized use of equipment.
See Figure 5.

SECTION4: OPERATINGYOURSNOWTHROWER

BeforeStarting

all instructions and warnings on the

WARNING: Read, understand, and follow
machine and in this manual before

operating.

GasAndOilFill-up

Service the engine with gasoline and oil as

instructed inthe separate engine manual packed with
your snow thrower. Read instructions carefully.

WARNING: Use extreme care when

handling gasoline. Gasoline is extremely

flammable and the vapors are explosive.

Never fuel machine indoors or while the

engine is hot or running. Extinguish
cigarettes, cigars, pipes an other sources
of ignition.

A plastic cup is provided inside the fuel fill opening
to protect the tank during manufacturing. Remove
and discard. Use the threaded fuel tank cap to
close after fill-up.

Transport

Figure 6

ToStartEngine

• Attach spark plug wire to spark plug. Make certain
the metal loop on end of the spark plug wire (inside
the boot) is fastened securely over the metal tip on
the spark plug.

• Make certain the auger and drive controls are in the

disengaged (up) position.

• Move throttle control up to FAST position. Insert

ignition key into slot and snap in place. See Figure

5. Do not turn key.

NOTE: Engine will not start unless ignition key is

inserted into ignition slot in carburetor cover.

ElectricStarter

• Determine that your house wiring is a three-wire

grounded system. Ask a licensed electrician if you
are not certain.

• If your house wiring system is not a three-wire

grounded system, do not use this electric starter
under any conditions.

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

• 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.

• If you have a grounded three-prong receptacle,

proceed as follows:

• Move engine speed control to "Fast" position and

set 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 engine. Plug
the other end of power cord into a three-hole,

grounded 120 volt AC receptacle.

• Push starter button on top of the engine to crank

engine. As you crank the engine, move choke knob

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 power cord, always unplug
from the three-prong receptacle first and then from

the snow thrower.

RecoilStarter

• Rotate choke knob 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. If engine is
warm, push primer button once only.

NOTE: Always cover vent hole in primer button when

pushing. Additional priming may be necessary for first

start if temperature is below 15°F.

• 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.

• Repeat the previous steps until engine starts.

ToStopEngine

• Run engine for a few minutes before stopping to

help dry off any moisture on the engine.

• To help prevent possible freeze-up of starter,
proceed as follows:

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.

RecoilStarter

• 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.

• To stop engine, move throttle control to "stop" or
"off" position.

• Remove ignition key (DO NOT turn key) to prevent

unauthorized use of equipment.

NOTE: Do not lose ignition key. Keep it in a safe place.

Engine will not start without ignition key.

• 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.

ToEngageTrackDrive

• With the engine running near top speed, move the
shift lever into one of the six FORWARD positions
or two REVERSE positions. Select a speed
appropriate for the snow conditions that exist.

• Squeeze the auger control and the augers will turn.

Release it and the augers will stop.

• Squeeze the drive control and the snow thrower will
move. Release it and drive motion will stop.

• NEVER move shift lever without releasing drive
control.

ToEngageAugers

• To engage the augers and start throwing snow,
squeeze the auger control against the left handle.
Release to stop the augers.

AugerControl Test
IMPORTANT:Perform the followingtest before

operating your snow thrower for the first time and at the
start of each winter season.

Check the adjustment of the auger control as follows:

• When the auger control is released and in the
disengaged "up" position, the cable should have

very little slack. It should NOT be tight.

• In a well-ventilated area, start the snow thrower
engine as instructed earlier in this section under the

heading Starting Engine. Make sure the throttle is
set in the FAST position.

• While standing in the operator's position (behind

the snow thrower), engage the auger.

• Allow the auger to remain engaged for
approximately ten (10) seconds before releasing

the auger control. Repeat this several times.

• With the engine running inthe FAST position and

the auger control in the disengaged "up" position,

walk to the front of the machine.

• Confirm that the auger has completely stopped
rotating and shows NO signs of motion.

IMPORTANT: Ifthe auger shows ANY signs of rotating,
immediately return to the operator's position and shut
off the engine. Wait for ALL moving parts to stop before
re-adjusting the auger control.

• To readjust the control cable, loosen the hex jam
nut on the auger control cable "Z" fitting.

• Rotate the coupling end of the cable
counterclockwise to provide more slack.

• Retighten the hex jam nut. See Figure 7.

• Repeat Auger Control Test to verify proper
adjustment has been achieved. Repeat the
previous steps to provide more slack in cable, if

necessary.

Auger

Control-_

Clean-OutTool

The clean-out tool is conveniently fastened to the rear
of the auger housing with a mounting clip. Should snow
and ice lodge itself in the chute assembly during
operation, proceed as follows to safely clean the chute
and chute opening:

• Release both the Auger Control and the Drive/
Auger Control Lock.

• Stop the engine by moving the throttle to the stop
position.

• Remove the clean-out tool from the mounting clip.

• Use the shovel-shaped end of the clean-out tool to
dislodge and scoop any snow and ice which has
formed in and near the chute assembly.

_, WARNING: Never use your hands to clean

snow and ice from the chute or auger
housing. Use the clean-out tool or a stick to
unclog.

Refasten the clean-out tool to the mounting clip on
the rear of the auger housing, and restart the
engine.
While standing in the operator's position (behind
the snow thrower), engage the auger control for a
few seconds to clear any remaining snow and ice
from the chute assembly.

DriftCutters(If Equipped)

Drift cutters should be used when operating the snow

thrower in heavy drift conditions.

On models so equipped, drift cutters are assembled to

the auger housing inverted. Remove the carriage bolts

by unthreading the hex nuts which secure them, and
reinstall the drift cutters in their proper position before

operating the snow thrower. See Figure 8.

If your unit is not equipped with drift cutters, contact
Customer Support as instructed on page 2 for
information regarding price and availability.

Snow Thrower Model Drift Cutter Kit

All models OEM-390-679

Jam

Auger
Control Cable

Figure 7

Drift

Carriage

& Hex Nuts

Figure 8

9