Craftsman 37948 Manuel utilisateur

Owner's Manual

CRAFTSMAN

55 HORSEPOWER

22 REAR DISCHARGE

POWER PROPELLED

ROTARY LAWN MOWER

Model No.

917.379480

• Safety

• Assembly

•Operation

•Maintenance

•Espa_ol

•Repair Parts

CAUTION:

Read and follow all

Safety Rules and Instructions

before operating this equipment

Sears, Roebuck and Co., Hoffman Estates, IL 60179

Visit our Craftsman website:www.sea rs.com/craftsman

Warranty .............................................. 2

Safety Rules ........................................ 2

Assembly ............................................. 4

Operation ............................................. 6

Maintenance Schedule ....................... 10

Maintenance ........................................ 10

Product Specifications ......................... 11

Service and Adjustments ..................... 14

Storage ................................................ 16

Troubleshooting .................................. 17

Repair Parts ......................................... 37

Parts Back Cover

LIMITED TWO YEAR WARRANTY ON CRAFTSMAN POWER MOWER

For two years from date of purchase, when this Craftsman Lawn Mower is maintained,

lubricated, and tuned up according to the operating and maintenance instructions in

the owner's manual, Sears will repair free of charge any defect in material or workman-

ship.

If.this Craftsman Lawn Mower is used for commercial or rental purposes, this warranty

applies for only 90 days from the date of purchase.

This Warranty does not cover:

• Expendable items which become worn during normal use, such as rotary mower

blades, blade adapters, belts, air cleaners and spark plug.

• Repairs necessary because of operator abuse or negligence, including bent

crankshafts and the failure to maintain the equipment according to the instructions

contained in the owner's manual.

Warranty service is available by returning the Craftsman power mower to the nearest

Sears Service Center/Department in the United States. This warranty applies only

while this product is in use in the United States.

This Warranty gives you specific legal rights, and you may also have other rights which

vary from state to state.

SEARS, ROEBUCKAND CO., D/817 WA, HOFFMAN ESTATES, ILLINOIS 60179

Safety standard's require operator

presence controls to mimimize the risk of

injury. Your unit is equipped with such

controls. Do not attempt to defeat the

function of the operator presence controls

under any circumstances.

TRAINING:

•Read this operator's manual carefully.

Become familiar with the controls and

know how to operate your mower

-properly. Learn how to quickly stop

mower.

•Do not allow children to use your

mower. Never allow adults to use mower

without proper instructions.

•Keep the area of operation clear of all

persons, especially small children and

pets.

•Use mower only as the manufacturer

intended and as described in this

manual.

• Do not operate mower if it has been

dropped or damaged in any manner.

Always have damage repaired before

using your mower.

•Do not use accessory attachments that

are not recommended by the manufac-

turer. Use of such attachments may be

hazardous.

• The blade turns when the engine is

running.

PREPARATION:

• Always thoroughly check the area to be

mowed and clear it of all stones, sticks,

wires, bones, and other foreign objects.

These objects will be thrown by the

blade and can cause severe injury.

•Always wear safety glasses or eye

shields when starting and while using

your mower.

• Dress properly.Do not operate mower

when barefoot or wearing open sandals.

Wear only solid shoes with good traction

when mowing.

•Check fuel tank before starting engine.

Do not fill gas tank indoors, when the

engine is running or when the engine is

hot. Allow the engine to cool for several

minutes before filling the gas tank.

Clean off any spilled gasoline before

starting the engine.

• Always make wheel height adjustments

before starting your mower. Never

attempt to do this while the engine is

running.

• Mow only in daylight or good artificial

light.

OPERATION:

•Keep your eyes and mind on your

mower and the area being cut. Do not

let other interests distract you.

•Do not mow wet or slippery grass. Never

run while operating your mower. Always

be sure of your footing - keep a firm hold

on the handles and walk.

• Do not put hands or feet near or under

rotating parts. Keep clear of the dis-

charge opening at all times.

•Always stop the engine whenever you

leave or are not using your mower, or

before crossing driveways, walks, roads,

and any gravel-covered areas.

•Never direct discharge of material

toward bystanders nor allow anyone

near the mower while you are operating

it.

•Before cleaning, inspecting, or repairing

your mower, stop the engine and make

absolutely sure the blade and all

moving parts have stopped. Then

disconnect the spark plug wire and keep

it away from the spark plug to prevent

accidental starting.

•Do not continue to run your mower if you

hit a foreign object. Follow the proce-

dure outlined above, then repair any

damage before restarting and operating

your mower.

• Do not change the governor settings or

overspeed the engine. Engine damage

or personal injury may result.

• Do not operate your mower if it vibrates

abnormally. Excessive vibration is an

indication of damage; stop the engine,

safely check for the cause of vibration

and repair as required.

• Do not run the engine indoors. Exhaust

fumes are dangerous.

•Never cut grass by pulling the mower

towards you. Mow across the face of

slopes, never up and down or you might

lose your footing. Do not mow exces-

sively steep slopes. Use caution when

operating the mower on uneven terrain

or when changing directions - maintain

good footing.

•Never operate your mower without

proper guards, plates, grass catcher or

other safety devices in place.

MAINTENANCE AND STORAGE:

•Check the blade and the engine

mounting bolts often to be sure they are

tightened properly.

• Check all bolts, nuts and screws at

frequent intervals for proper tightness to

be sure mower is in safe working

condition

• Keep all safety devices in place and

working.

• To reduce fire hazard, keep the engine

free of grass, leaves or excessive

grease and oil.

• Check grass catcher often for deteriora-

tion and wear and replace worn bags

Use only replacement bags that are

recommended by and comply with

specifications of the manufacturer of

your mower.

• Always keep a sharp blade on your

mower.

• Allow engine to cool before storing in

any enclosure

• Never store mower with fuel in the tank

inside a building where fumes may

reach an open flame or an ignition

source such as a hot water heater,

space heater, clothes dryer, etc.

A,Look for this symbol to point out

important safety precautions It,means

CAUTION!!! BECOMEALERT!t! YOUR

SAFETY IS INVOLVED.

_CAUTION: Always disconnect spark

plug wire and place wire where it cannot

contact spark plug in order to prevent

accidental starting when setting up,

transporting, adjusting or making repairs.

_:_WARNING: The engine exhaust from

this product contains chemicals known to

the State of California to cause cancer,

birth defects, or other reproductive harm.

These accessories were available when this lawn mower was produced, are not

shipped with your mower. They are also availableat most Sears retailoutletsand service

centers. Most Sears stores can also order repair parts for you, when you provide the model

number of your lawn mower. Some ofthese accessories may not applyto your lawn mower.

LAWN MOWER PERFORMANCE

CLIPPING DEFLECTOR

FOR REAR DISCHARGE LAWN MOWERS

GRASS CATCHERS

FOR

REAR DISCHARGE

LAWN MOWERS

,f(.vi.l_=*,. -

MULCHERK_S

GRASS CATCHERS

FOR

SIDE DISCHARGE

LAWN MOWERS

LAWN MOWER MAINTENANCE

STABILIZER

GAS CANS

MUFFLERS

BELTS BLADES

AIR FILTERS

BLADE ADAFrERS WHEELS

SPARK PLUGS

ENGINE OIL

Read these instructions and this manual in

its entirety before you attempt to assemble

or operate your new lawn mower.

IMPORTANT: This lawn mower is shipped

without oil or gasoline in the engine.

Your new lawn mower has been as-

sembled at the factory with the exception of

those parts left unassembled for shipping

purposes. To ensure safe and proper

olberation of your lawn mower, all parts and

hardware you assemble must be tightened

securely. Use the correct tools as neces-

sary to ensure proper tightness. All parts

such as nuts, washers, bolts, etc., neces-

sary to complete the assembly have been

placed in the parts bag.

TOREMOVE LAWNMOWER FROM

CARTON

• Remove loose parts included with mower.

•Cutdowntwoendcomersof cartonand

layendpanadownfiat

•Remove all pacldng materials except

padding between upper and lower handle

and padding holding operator presence

control bar to upper handle.

•Roll lawn mower out of carton and check

carton thoroughly for additional loose

parts.

HOWTO SETUPYOUR LAWNMOWER

TO UNFOLD HANDLE

IMPORTANT: Unfold handles carefully so

as not to pinch or damage control cables

•Raise handles until lower handle section

locks into place in mowing position.

•Remove protective padding, raise upper

handle section into place on lower handle

and tighten both handle knobs.

• Remove handle padding holding operator

presence control bar to upper handle.

• Your lawn mower handle can be adjusted

for your mowing comfort. Refer to "Adjust

Handle" in the Service and Adjustment

section of this manual.

Operator presence control

bar

Upper handle __

• ,fup/

Lower handle

Mowing position

TO INSTALL ATTACHMENTS

Your lawn mower was shipped ready to be

used as a mulcher. To convert to bagging or

discharging:

•Open rear door and remove muleher plug.

Store mulcher plug in a safe place.

•You can now installcatcher or optional

clipping deflector.

•To retum to mulching operation, install

mulcher plug into discharge opening of

mower.

Mulcher plug ,__

ACAUTION: Do not run your lawn

mower without mulcher plug in place or

approved clipping deflector or grass

catcher in place. Never attempt to

operate the lawn mower with the rear

door removed or propped open.

_NOWYOUR LAWN MOWER

READ THIS OWNER'S MANUALAND SAFETY RULES BEFORE OPERATING YOUR

LAWN MOWER. Compare the illustrations with your lawn mower to familiarize yourself

with the location of various controls and adjustments. Save this manual for future

These symbols may appear on your lawn mower or in literature supplied with the

product. Learn and understand their meaning.

CAUTION ENGfNE ENGINE FAST SLOW CHOKE FUEL OIL DANGER, KEEPHANDS

OR WARNING ON OFF AND FEET AWAY

Engine zone controlcable

Throttle

control

)resence control bar

_Drive control

lever

Grass catcher_, Handle knob

•Mulcher plug

Engine oil ca_:

Housing

IMPORTANT: This lawn mower is shipped

without oilor gasoline in the engine.

Drive cover

, Wheel adjuster

(on every wheel)

MEETS CPSC SAFETY REQUIREMENTS

Sears rotary walk-behind power lawn mowers conform to the safety standards of the

American National Standards Institute and the U.S, Consumer ProductSafety Commis-

sion. The blade turns when the en_]ineis running,

Operator presence control bar -must

be held down to the handle to start the

engine. Release to stop the engine.

Starter handle- used for starting the

engine.

Drive control lever -used to engage

power-propelled forward motion of lawn

mower.

Mulcher plug - must be removed to

convert to bagging or discharging

operation.

Throttle control - Used for starting the

engine and allows you to select either fast

or slow engine speed.

The operation of any lawn

mower can result in foreign

objects thrown into the eyes,

which can result in severe eye damage.

Always wear safety glasses or eye

shields while operating your lawn mower

or performing any adjustments or repairs.

We recommend a wide vision safety

mask over spectacles or standard safety

glasses.

ENGINE SPEED

The engine speed is controlled by a

throttle control located on the side of the

upper handle. Choke position is for

starting a cold engine and fast position

is for normal cutting, trimming, and better

grass bagging. Slow position is for light

cutting, trimming and fuel economy.

FAST _ _ SLOW

CHOKE '" "'" ' ""

•.-,; ,,,; .

#11 L II

ENGINE ZONE CONTROL

_CAUTION: Federal regulations require

an engine control to be installed on this

lawn mower in order to minimize the risk

of blade contact injury. Do not under any

circumstances attempt to defeat the

function of the operator control. The blade

turns when the engine is running.

• Your _awn mower is equipped with an

operator presence control bar which

requires the operator to be positioned

behind the lawn mower handle to start

and operate the lawn mower.

TO ADJUST CUTTING HEIGHT

•Raise wheels for low cut and lower

wheels for high cut.

•Adjust cutting height to suit your

requirements. Medium position is best

for most lawns.

• To change cutting height, squeeze

adjuster lever toward wheel. Move

wheel up or down to suit your require-

ments. Be sure all wheels are in the

same setting.

NOTE: Adjuster is properly positioned

when plate tab inserts into hole in lever.

Also, 9-position adjusters (if so equipped)

allow lever to be positioned between the

plate tabs.

Lower Wheels for High Cut PlateTab

Lever

Raise Wheels for Low Cut

TO ATTACH GRASS CATCHER

•Lift the rear door of the lawn mower

and place the grass catcher frame

hooks onto the door pivot pins.

•The grass catcher is secured to the

lawn mower housing when the rear

door is lowered onto the grass catcher

frame.

_I,CAUTION: Do not run your lawn

mower without clipping deflector or

approved grass catcher in place. Never

attempt to operate the lawn mower with

the rear door removed or propped open.

Pivot _ins Rear door

Grass

catcher

handle

Catcher

frame hook

TO EMPTY GRASS CATCHER

•Lift up on grass catcher using the frame

handle.

•Remove grass catcher with clippings

from under lawn mower handle,

• Empty clippings from bag using both

frame handle and bag handle.

NOTE: Do not drag the bag when

emptying; it will cause unnecessary wear

ga¢

handle

_rass

catcher

*frame

handle

DRIVE CONTROL

•Self-propelling is controlled by holding the

operator presence control bar down to the

handle and pushing the drive control lever

forward untilitclicks;then release the drive

control lever.

•Forward motionwill stop when the operator

presence control bar is released. To stop

forward motion without stopping engine,

release the operator presence control bar

slightly untilthe drive control disengages.

Hold operator presence control bar down

to handle to continue mowing without self-

propelling.

•To keep drive control engaged when

turningcomers, push down on handle and

liftfront wheels off ground while turning

lawn mower.

Operator presence

controlbar

Drive Drive

control control

To engage Drive control

drive control disengaged

BEFORE STARTING ENGINE

OIL

Your lawn mower is shipped without oil in

the engine.

•Be sure mower is level and area

around oil fill is clean.

•Remove engine oil cap and fill to the

full line on the dipstick.

NOTE: Allow oil to settle down into engine

for accurate dipstick reading.

•Engine holds 18.5 ozs. of oil. For type

and grade of oil to use, see "ENGINE"

in Maintenance section of this manual.

•Pour oil slowly. Do not over fill.

•Check oil level before each use. Add

oil if needed. Fill to full line on dipstick.

•To read proper level, tighten engine oil

cap each time.

•Reinstall engine oil cap and tighten.

•Change the oil after every 25 hours of

operation or each season. You may

need to change the oil more often

under dusty, dirty conditions.

ADD GASOLINE

•Fill fuel tank. Use fresh, clean, regular

unleaded gasoline with a minimum of

87 octane(Use of leaded gasoline will

increase carbon and lead oxide

deposits and reduce valve life). Do not

mix oil with gasoline. Purchase fuel in

quantities that can be used within 30

days to assure fuel freshness.

AWARNING: Experience indicates that

alcohol blended fuels (called gasohol or

using ethanol or methanol) can attract

moisture which leads to separation and

formation of acids during storage. Acidic

gas can damage the fuel system of an

engine while in storage. To avoid engine

problems, the fuel system should be

emptied before storage of 30 days or

longer, Drain the gas tank, start the

engine and let it run until the fuel lines

and carburetor are empty. Use fresh fuel

next season. See Storage Instructions for

additional information. Never use engine

or carburetor cleaner products in the fuel

tank or permanent damage may occur.

_IbCAUTION: Fill to bottom of gas tank

filler neck, Do not overfill, Wipe off any

spilled oil or fuel. Do not store, spill or

use gasoline near an open flame.

filler cap

Oil filler

cap

__ __-Oil fillercap/dipstick

Lowerlimit----_ -Upper limit

TO START ENGINE

•Tum fuel valve to ON position.

•To start a cold engine, move handle

mounted throttle/choke control lever to

choke position.

•Hold operator presence control bar

down to the handle and pull starter

handle quickly. Do not allow starter

rope to snap back.

•Slowly move throttle control lever to

fast position after engine starts.

•To start a warm engine, move throttle

control lever to fast or slow position

8 then follow steps above.

•To stop engine, release operator

presence control bar. Wait until blade

and all moving parts have stopped and

turn fuel valve to OFF position if you do

not intend to restart the engine soon.

Fuel Valve

lever

MOWING TIPS

•Under certain conditions, such as very

tall grass, it may be necessary to raise

the height of cut to reduce pushing

effort and to keep from overloading the

engine and leaving clumps of grass

clippings. It may also be necessary to

reduce ground speed and/or run the

lawn mower over the area a second

time.

•For extremely heavy cutting, reduce the

width of cut by overlapping previously

cut path and mow slowly.

•For better grass bagging and most

cutting conditions, the engine speed

should be set in the fast position.

•When using a rear discharge lawn

mower in moist, heavy grass, clumps of

cut grass may not enter the grass

catcher. Reduce ground speed

(pushing speed) and/or run the lawn

mower over the area a second time.

•If a trail of clippings is left on the right

side of a rear discharge mower, mow in

a clockwise direction with a small

ovedap to collect the clippings on the

next pass.

•Pores in cloth grass catchers can

become filled with dirt and dust with

use and catchers will collect less grass.

To prevent this, regularly hose catcher

off with water and let dry before using.

•Keep top of engine around starter clear

and clean of grass clippings and chaff.

This will help engine air flow and

extend engine life.

MULCHING MOWING TIPS

IMPORTANT: For best performance,

keep mower housing free of built-up

grass and trash. See =Cleaning" in

MAINTENANCE section of this manual.

•The special mulching blade will recutthe

grass clippings many times and reduce

them in size so that as they fall ontothe

lawn they will disperse intothe grass and

not be noticed. Also, the mulched grass will

biedegrade quickly to provide nutrientsfor

the lawn. Always mulch with your highest

engine (blade) speed as this will provide

the best recuttingaction of the blades.

•Avoid cuttingyour lawn when it iswet. Wet

grass tends to form dumps and interferes

with the mulching action. The best time to

mow your lawn isthe eady aftemcon. At

this time the grass has dried and the newly

cut area will not be exposed to the direct

sun.

• For best results,adjust the lawn mower

cutting height so that the lawn mower cuts

off only the top one-third of the grass

blades. If the lawn is overgrown it will be

necessary to raise the height of cutto

reduce pushing effort and to keep from

overloading the engine and leaving

clumps of mulched grass. For extremely

heavy mulching, reduce your width of cut

by overlapping previously cut path and

mow slowly.

•Certain types of grass and grass condi-

tions may require that an area be mulched

a second time to completely hide the

clippings.When doing a second cut, mew

across or perpendicular tothe firstcut path.

•Change your cutting pattem from week to

week. Mow northto south one week then

change to east to west the next week. This

willhelp prevent matting and graining of

the lawn.

MAINTENANCE SCHEDULE

FILLIN DATES

AS YOU COMPLETE

REGULAR SERVICE SERVICE DATES

Check for Loose Fasteners !/

Clean/Inspect Grass Catcher

(If Equipped) ¥/ _

oM Clean Lawn Mower

Clean Under Drive Cover

(Power-Propelled Mowers)

WCheck drive belt/pulleys

(Power-Propelled Mowers} ¥/

RCheck/Sharpen/Replace Blade . .Ip#.3

Lubrication Chart I_ If#

Clean Battery/Recharge

IElectric Start MowersII/ 1/14

NE Check Engine Oil Level !/

Change Engine Oil I/1.2

Clean Air Filter _2

Inspect Muffler ....

N; Clean or Replace Spark Plug

Replace Air Filter Paper Cartridge I/2

,ll

I-Change mote often when operating under a heavy load or in high ambient temperatures.

2 - ServicemoreoftenwhenoperatingindirtyOrdusty conditions.

3 - Replace blades more often when mowing In sandy SOIL

4-Charge48 hours at end orseason. LUBRICATION CHART

GENERAL RECOMMENDATIONS

The warranty on this lawn mower does

not cover items that have been subjected

to operator abuse or negligence. To

receive full value from the warranty,

operator must maintain mower as

instructed in this manual.

Some adjustments will need to be made

periodically to properly maintain your unit.

All adjustments in the Service and

Adjustments section of this manual should

be checked at least once each season.

•Once a year, replace the spark plug,

"replace air filter element and check

blade for wear. A new spark plug and

clean/new air filter element assures

proper air-fuel mixture and helps your

engine run better and last longer.

•Follow the maintenance schedule in

this manual.

BEFORE EACH USE

• Check engine oil level.

• Check for loose fasteners.

LUBRICATION

Keep unit well lubricated (See "LUBRICA-

TION CHART").

Wheel Adjuster

(_ Rear door

(_) Handle bracket hinge

mounting pin

(_ Spay lubricant

(_) Refer to MAINTENANCE "ENGINE"

section.

ine oil

IMPORTANT: Do not oil or grease plastic

wheel bearings. Viscous lubricants will

attract dust and dirt that will shorten the

life of the self lubricating bearings. If you

feel they must be lubricated, use only a

dry, powdered graphite type lubricant

sparingly.

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