husqwm225_hwen2003_W0302001.pdf

H O M E P R O D U C T S

SNOWTHROWER SERVICE MANUAL

To the technician using this manual:

This technical manual includes sections of the consumers owners manual to allow the

you to see the instructions given to the consumer or retail store. These pages will

have the word CONSUMER in smaller print in the heading.

For the purpose of this manual we selected a model that has as many features as pos-

sible. You may work on models that do not have power steering, a headlight, or the

auger may be 24, 27, or 30 inches wide. This manual is written to cover the most

complex repairs.

Section 7 will deal with SYSTEMS AND REPAIR PROCEDURES. Included in this section

will be the exploded parts listing from a snowthrower. This will allow you so compare

the pictures with the instructions to the parts illustrations. The part numbers will not

be shown as they will change on different models. You should refer to the parts list

for the speciic model you are working on when ordering parts.

When working on a snowthrower or any lawn and garden equipment develop and follow

safe working practices:

* Wear appropriate close itting clothing.

* Use safety equipment, i.e. gloves, safety glasses or hearing protection.

* Always remove the spark plug wire when working on a machine.

* Use the proper tools and use torque wrench on fasteners indicated in this manual.

* Use power tools only to loosen threaded fasteners.

* Be extremely careful with fuel. Keep the lid and vent closed on gasoline containers

and away from sunlight, heat, lames, or sparks.

* Follow safety recommendations from other manuals and the consumer safety rules

on pages 4 and 5. We should set a good example for the customer and follow the

practices we expect them to follow.

The following section labeled 'Customer Responsibilities' is in the owners manual:

CUSTOMER RESPONSIBILITIES

• Read and observe the safety rules.

• Follow a regular schedule in maintaining, caring for and using your snow thrower.

• Follow the instructions under “Maintenance” and “Storage” sections of owner’s manual .

TABLE OF CONTENTS

Page

Section 1. Safety Rules - 4

Section 2. Speciications – 6

Section 3. Assembly - 7

Section 4. Maintenance, Storage, and Operation - 17

Section 5. Troubleshooting Chart - 22

Section 6. Adjustments - 23

Section 7. Systems and Repair Procedures - 27-50

Service Notes - 51

SECTION 1: SAFETY RULES

Safe Operation Practices for Snow Throwers

IMPORTANT: 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.

Look for this symbol to point out im-

portant safety precautions. It means

CAUTION!!! BECOME ALERT!!! YOUR

SAFETY IS INVOLVED.

PREPARATION

• Remove foreign objects. Thoroughly inspect the area

where the equipment is to be used and remove all

doormats, sleds, boards, wires, rocks & landscaping.

• Disengage all clutches before starting engine (mo-

tor).

• Do not operate the equipment without wearing ade-

quate winter outer garments. Avoid loose, dangling

clothing, such as scarves, which can get caught in

rotating parts. Wear footwear that will improve footing

on slippery surfaces.

• Handle fuel with care; it is highly lammable.

- Never smoke while refueling.

- Use an approved fuel container.

- Never remove fuel tank cap or add fuel to a running

engine (motor) or hot engine (motor).

- Fill fuel tank outdoors with extreme care. Never ill

fuel tank indoors.

- Replace fuel cap securely and wipe up spilled

fuel.

- Never store fuel or snow thrower with fuel in the

tank inside of a building where fumes may reach

an open lame or spark.

- Check fuel supply before each use, allowing space

for expansion as the heat of the engine (motor)

and/or sun cause fuel to expand.

STATIC ELECTRICITY HAZARD -

- Never ill containers inside a vehicle or on a truck

or trailer bed with a plastic liner. Always place

containers on the ground, away from your vehicle

before illing.

- When practical, remove gas-powered equipment

from the truck or trailer and refuel it on the ground.

If this is not possible, then refuel such equipment

on a trailer with a portable container, rather than

from a gasoline dispenser nozzle.

- Keep the nozzle in contact with the rim of the fuel

tankopening at all times, until refueling is complete.

Do not use a nozzle lock-open device.

- If fuel is spilled on clothing, change clothing im-

mediately.

• For all units with electric starting motors use electric

starting extension cords certiied CSA/UL. Use only

with a receptacle that has been installed in accordance

with local inspection authorities.

• If snow thrower must be operated over gravel surface,

use extra caution and be sure skid plates are adjusted

to lowest (highest scraper clearance) position.

• Never attempt to make any adjustments while the

engine (motor) is running (except when speciically

recommended by manufacturer).

• Let engine (motor) and snow thrower adjust to outdoor

temperatures before starting to clear snow.

• Always wear safety glasses or eye shields during op-

eration or while performing an adjustment or repair to

protect eyes from foreign objects that may be thrown

from the snow thrower.

WARNING: Always disconnect spark

plug wire and place it where it cannot

contact plug in order to prevent acci-

dental starting when setting up, trans-

porting, adjusting or making repairs.

WARNING: This snow thrower is for

use on sidewalks, driveways and other

ground level surfaces. Caution should

be exercised while using on sloping

surfaces. Do not use snow thrower on

surfaces above ground level such as

roofs of residences, garages, porches

or other such structures or buildings.

WARNING: Snow throwers have ex-

posed rotating parts, which can cause

severe injury from contact, or from ma-

terial thrown from the discharge chute.

Keep the area of operation clear of all

persons, small children and pets at all

times including startup.

CAUTION: Mufler and other engine

parts become extremely hot during

operation and remain hot after engine

has stopped. To avoid severe burns on

contact, stay away from these areas.

WARNING: Engine exhaust, some of

its constituents, and certain vehicle

components contain or emit chemi-

cals known to the State of California

to cause cancer and birth defects or

other reproductive harm.

TRAINING

• Read the operating and service instruction manual

carefully. Be thoroughly familiar with the controls and

the proper use of the equipment. Know how to stop the

unit and disengage the controls quickly.

• Never allow children to operate the equipment. Never

allow adults to operate the equipment without proper

instruction.

• Keep the area of operation clear of all persons, par-

ticularly small children and pets.

• Exercise caution to avoid slipping or falling especially

when operating in reverse.

SAFETY RULES

Safe Operation Practices for Snow Throwers

IMPORTANT: 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.

OPERATION

• Do not operate this machine if you are under the inlu-

ence of alcohol or taking drugs or other medication

which can cause drowsiness or affect your ability to

operate this machine.

• Do not use this machine if you are mentally or physically

unable to operate this machine safely.

• Do not put hands or feet near or under rotating parts.

Keep clear of the discharge opening and front auger

area at all times.

• Exercise extreme caution when operating on or cross-

ing gravel drives, walks or roads. Stay alert for hidden

hazards or trafic.

• After striking a foreign object, stop the engine (motor),

remove wire from the spark plug, thoroughly inspect

snow thrower for any damage, and repair the damage

before restarting and operating the snow thrower.

• If the unit should start to vibrate abnormally, stop the

engine (motor) and check immediately for the cause.

Vibration is generally a warning of trouble.

• Stop the engine (motor) whenever you leave the oper-

ating position, before unclogging the auger/impeller

housing or discharge chute and when making any

repairs, adjustments, or inspections.

• When cleaning, repairing, or inspecting, make certain

all controls are disengaged and the auger/impeller and

all moving parts have stopped. Disconnect the spark

plug wire and keep the wire away from the spark plug

to prevent accidental starting.

• Take all possible precautions when leaving the snow

thrower unattended. Disengage the auger/impeller, stop

engine (motor), and remove key.

• Do not run the engine (motor) indoors, except when

starting the engine (motor) and for transporting the

snow thrower in or out of the building. Open the outside

doors.

• Never operate the snow thrower near glass enclo-

sures, automobiles, window wells, drop–offs, and the

like without proper adjustment of the snow discharge

angle. Keep children and pets away.

• Do not overload the machine capacity by attempting

to clear snow at too fast a rate.

• Never operate the machine at high transport speeds

on slippery surfaces. Look behind and use care when

backing up.

• Never direct discharge at bystanders or allow anyone

in front of the unit.

• Disengage power to the auger/impeller when snow

thrower is transported or not in use.

• Use only attachments and accessories approved by

the manufacturer of the snow thrower (such as wheel

weights, counterweights, cabs, tire chains, electric start

kits, etc.).

• Never operate the snow thrower without good visibility

or light. Always be sure of your footing and keep a irm

hold on the handles. Walk; never run.

• Do not overreach. Keep proper footing and balance at

all times.

• This snow thrower is for use on sidewalks, driveways

and other ground level surfaces.

• Do not use the snow thrower on surfaces above ground

level such as roofs of residences, garages, porches or

other such structures or buildings.

MAINTENANCE AND STORAGE

• Check shear bolts and other bolts at frequent intervals

for proper tightness to be sure the equipment is in safe

working condition.

• Never store the snow thrower with fuel in the tank inside

a building where ignition sources are present such as

hot water and space heaters, clothes dryers, and the

like. Allow the engine (motor) to cool before storing in

any enclosure.

• Always refer to operator’s guide instructions for im-

portant details if the snow thrower is to be stored for

an extended period.

• Maintain or replace safety and instruction labels, as

necessary.

• Run the snow thrower, with auger engaged, a few

minutes after throwing snow to clear the machine and

prevent freeze-up of the auger/impeller.

WARNING: Exhaust fumes are dan-

gerous (containing CARBON MON-

OXIDE, an ODORLESS and DEADLY

GAS).

• Do not clear snow across the face of slopes. Exercise

extreme caution when changing direction on slopes.

Do not attempt to clear steep slopes.

• Never operate the snow thrower without proper guards,

plates or other safety protective devices in place.

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