Craftsman 38872 Manuel utilisateur

Owner's Manual

JCRAFT$1qAWJ

6.0 HORSEPOWER

21" MULTI-CUT

ROTARY LAWN MOWER

Model No.

917.388721

• 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.sears.com/craftsrnan

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

Safety Rules ....................................... 2-4

Assembly ................................................ 5

Operation ............................................ 6-9

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

Maintenance ................................... 10-13

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

Service and Adjustments................ 13-14

Storage ........................................... 14-15

Troubleshooting ............................. 16-17

Repair Parts .................................... 34-41

Parts Ordering ....................... 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 instructionsin

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 only90 days from the date of purchase.

This Warranty does not cover:

• Expendable items which become worn dudng 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 productis in use in the United States.

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

varyfrom state tostate.

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

IMPORTANT: This cutting machine is capable of amputating hands and feet and

thro.wing,objects. Failure to observe the fallowing safety instructionscould result in

senous mlury or death.

I, GENERAL OPERATION o

•Read, understand, and follow all

instructionson the machine and in the

manual(s) before starting. Be thor-

oughly familiar with the controlsand the

proper use of the machine before

starting.

•Do not put hands or feet near or under •

rotatingparts. Keep clear ofthe

discharge opening at all times.

•Only allow responsible individuals, who

are familiarwith the instructions,to •

operate the machine.

•Clear the area of objects such as rocks,

toys, wire, bones, sticks, etc., which

could be picked up and thrown by the

blade.

• Be sure the area isclear of other •

people before mowing. Stop machine if

anyone enters the area. 2

Do not operate the mower when

barefoot or weedng open sandals.

Always wear substantial foot wear.

Do not pull mower backwards unless

absolutely necessary. Always look

down and behind before and while

moving backwards.

Do not operate the mower without

proper guards, plates, grass catcher or

other safety protective devices in

place.

See manufacturer's instructionsfor

proper operation and installation of

accessories. Only use accessories

approved by the manufacturer.

•Stop the blade(s) when crossinggravel

drives, walks, or roads.

Stop the engine (motor) whenever you

leave the equipment, before cleaning

the mower or unclogging the chute.

•Shvt the engine (motor) off and wait

until the blade comes to complete stop

before removing grass catcher.

• Mow only in daylight or good artificial

light.

• Do not operate the machine while

under the influence of alcohol or drugs.

, Never operate machine in wet grass.

Always be sure of your footing: keep a

firm hold on the handle and walk; never

run.

•Disengage the self-propelled mecha-

nism or ddve clutchon mowers so

equipped before starting the engine

(motor).

• If the equipment should start to vibrate

abnormally, stop the engine (motor)

and check immediately for the cause.

Vibration is generally awarning of

trouble.

•Always wear safety goggles or safety

glasses with side shieldswhen

operating mower.

II. SLOPE OPERATION

Slopes are a major factor related toslip

and fall accidents which can result in

severe injury.All slopes require extra

caution. If you feel uneasyon a slope, do

not mow it.

DO:

•Mow across the face of slopes: never

up and down. Exercise extreme caution

when changing directionon slopes.

•Remove obstacles such as rocks, tree

limbs, etc.

•Watch for holes, ruts, or bumps. Tall

grass can hide obstacles.

DO NOT:

, Do not trim near drep-offs, ditches or

embankments. The operator could lose

footing or balance.

•Do not tdm excessively steep slopes.

• Do not mow on wet grass. Reduced

footing could cause slipping.

IlL CHILDREN

Tragicaccidents can oecur if the operator

isnot alert to the presence of children.

Childrenare often attracted to the

machine and the mowing activity. Never

assume that children will remain where

you last saw them.

•Keep children outof the trimmingarea

and under the watchful care of another

responsible adult.

• Be alert and turn machine off if children

enter the area.

•Before and while walking backwards,

look behind and down for small

children.

•Never allow children to operate the

machine.

•Use extra care when approaching blind

comers, shrubs, trees, or other objects

that may obscure vision.

IV. SERVICE

•Use extra care in handling gasoline

and other fuels. They are flammable

and vapors are explosive.

-Use only an approved container.

-Never remove gas cap or add fuel

with the engine running. Allow

engine to cool before refueling. Do

not smoke.

-Never refuel the machine indoors.

-Never store the machine or fuel

container inside where there is an

open flame, such as a water heater.

• Never run a machine inside a closed

area.

•Never make adjustments or repairs

with the engine (motor) running.

Disconnect the spark plug wire, and

keep the wire away from the plug to

prevent accidental starting.

•Keep nuts and bolts, especially blade

attachment bolts, tight and keep

equipment in good condition.

•Never tamper with safety devices.

Check their proper operation regularly.

•Keep machine free of grass, leaves, or

other debris build-up. Clean oil or fuel

spillage. Allow machine to cool before

stodng.

•Stop and inspect the equipment if you

strike an object. Repair, if necessary,

before restarting.

•Never attempt to make wheel height

adjustments while the engine (motor) is

running.

•Grass catcher components are subject

to wear, damage, and deterioration,

which could expose moving parts or

allow objects to be thrown. Frequently

check components and replace with

manufacturer's recommended pads,

when necessary.

• Mower blades are sharp and can cut.

Wrap the blade(s) or wear gloves, and

use extra caution when servicing them.

•Do not change the engine governor

setting or overspeed the engine.

. ALook for thissymbol to point out

" importantsafety precautions. It means

CAUTIONIt[ BECOMEALERTIU YOUR

SAFETY IS INVOLVED.

A WARNING: In order to prevent acci-

dental starting when setting up, transport-

ing, adjustingor making repairs, always

disconnect spark plug wire and place wire

where it cannot contact spark plug.

AWARNING: Engine exhaust, some of its

constituents,and certain vehicle compo-

nents containor emit chemicals known to

the State of California to cause cancer

and birth defects or other reproductive

harm.

A.WARNING: Battery posts,terminals and

related accessories contain lead and

lead compounds, chemicals known to the

State of California to cause cancer and

birthdefects or other reproductiveharm.

Wash hands after handling.

A CAUTION: Muffler and other engine

parts become extremely hot dudng

operation and remain hot after engine

has stopped. To avoid severe burns on

contact, stay away from these areas.

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

shipped with your mower. They are also available at most Sears retail outlets and

service centers. Most Sears stores can also order repair partsfor you, when you

provide the model number of your lawn mower. Some of these accessories may not

apply toyour lawn mower.

LAWN MOWER PERFORMANCE

CLIPPING DEFLECTOR

FOR REAR DISCHARGE LAWN MOWERS MULCHER KITS

GRASS CATCHERS _GRASS CATCHERS

FOR FOR

REAR DISCHARGE S)DE DISCHARGE

LAWN MOWERS LAWN MOWERS

LAWN MOWER MAINTENANCE

MUFFLERS AIR FILTERS SPARK PLUGS

BELTS BLADES BLADE ADAPTERS WHEELS ENGINE OIL

STABILIZER

GAS CANS

Read these instructionsand this manual

in its entirety beforeyou attempt to

assemble or operate your now lawn

mower.

IMPORTANT: This lawn mower is shipped

WITHOUT OIL OR GASOLINE inthe

engine.

Your now lawn mower has been as-

sembled at the factory with the exception

of those parts leR unassembled for

shipping purposes. All parts such as nuts,

washers, belts, etc., necessary to com-

plete the assembly have been placed in

the parts bag. To ensure safe and proper

operationof your lawn mower, all parts

and hardware you assemble must be

tightened securely. Use the correct tools

as necessary to ensure proper tightness.

TO REMOVE LAWN MOWER FROM

CARTON

1. Remove loose parts included with

mower.

2. Cut down two end comers of carton

and lay end panel down fiat.

3, Remove all packing matedals except

padding between upper and lower

handle and padding holding operator

presence control bar to upper handle.

4. Roll lawn mower out of carton and

check carton thorouglyfor additional

loose parts.

HOWTO SET UPYOUR LAWN

MOWER

TO UNFOLD HANDLE

IMPORTANT: Unfold handle carefullyso

as not to pinch or damage control cables.

1. Raise handles until lower handle

section locks into place in mowing

position.

2. Remove protective padding, raise

upper handle section into place on

lower handle and tighten beth handle

knobs.

3. Remove handle padding holding

operator presence control bar to upper

handle.

Your lawn mower handle can be adjusted

foryour mowing comfort. Refer to"AD-

JUST HANDLE" in the Service and

Adjustments section of this manual.

Operator

conbrolbar

Lift

position

Lower handle

TO INSTALL ATTACHMENT$

Your lawn mower was shipped ready to

be used as a mulcher. Toconvert to

bagging or discharging, see =TO CON-

VERT MOWER" in the Operation section

of this manual.

KNOW YOUR LAWN MOWER

READ THIS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR

LAWN MOWER, Compare the illustrationswith your lawn mower to familiarize yourself

with the locationofvarious controls and adjustments. Save this manual forfuture

reference.

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

product, Learn and understand their meaning.

CAUTION ENGINE ENGINE FAST SLOW CHOKE FUEL OIL DANGER, KEEP HANDS

OR WARNING ON OFF AND FEET AWAY

ine zone control cable

Starter handle

Grass

Gasoline filter cap

Engine oil cap with dipstick

Primer

Muffler

Air filter

Mulcher doo

IMPORTANT: This lawn mower is shipped Wheeladjuster

WITHOUT OIL OR GASOLINE in the engine. (oneachwheel)

MEETS CPSC SAFEW REQUIREMENTS

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

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

sion. The blade turns when the engine is running.

Operator Presence Control Bar- must Primer -pumps additionalfuel from the

be held down to the handle to start the carburetor to the cylinder for use when

engine. Release to stop the engine, starting a cold engine.

Mulcher door - allows conversion to Starter Handle -usedfor starting the

discharge or bagging operation, 6 engine,

Theoperationofanylawn

mowercanresultinforeign

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.

HOWTO USEYOUR LAWN MOWER

ENGINE SPEED

The engine speed was set at the factory

for optimum performance. Speed isnot

adjustable.

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

circumstancesattempt to defeat the

function of the operator control. The blade

turns when the engine is running.

• Your lawn mower is equipped with an

operator presence control bsr 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 end lower

wheels for high cut. Adjust cuttingheight

to suityour requirements. Medium

positionis best for most lawns,

•To change cuttingheight, squeeze

adjuster lever toward wheel. Move

wheel up or down to suit your require-

ments. Be sure all wheels are in the

same setf_ng,

NOTE: Adjuster is properly positioned

when plate tab inserts into hole in lever.

Also, 9-position adjusters (if so equipped)

allow lever to be positionedbetween the

pratetabs.

Lower Wheels for High Cu_

Raise Wheels for Low Cut Le er

TO CONVERT MOWER

Your lawn mower was shipped ready to

be used as a mulcher. Toconvert to

bagging or discharging:

REAR BAGGING

• Lift rear door of the lawn mower and

place the grass catcher frame books

onto the door pivot pins.

•To convert to mulching or discharging

operation, remove grass catcher and

close rear door.

Pivc.t " Rea_ Grass

catcher

handle

Catcher frame hook

SIDE DISCHARGING

•Rear door must be closed.

•Open mulcher door and install dis-

charge deflector under guard as

shoWn.

•Mower is now ready for discharging

operation.

• To convert to mulchingor bagging

operation, discharge deflector must be

removed and muicher door must be

dosed.

SIMPLE STEPS TO REMEMBERWHEN

CONVERTING YOUR LAWN MOWER

FOR MULCHING -

1. Rear door closed.

2. Mulcher door closed.

FOR REAR BAGGING -

1, Grass catcher installed,

2. Mulcher door closed.

FOR SIDE DISCHARGING -

1. Rear door closed.

2. Side discharge deflector installed.

A,CAUTION: Do not run your lawn

mower withoutrear door closed or

approved grass catcher in place. Never

attempt to operate the lawn mower with

the rear door removed or propped open.

Open mulcher door

Discharge

defiector---,..,._...,.,.,__.

BEFORE STARTING ENGINE

ADD OIL

Your lawnmower is shipped without oil in

the engine. Engine holds 20 oz. of oil.

For type and grade of oil to use, see

"ENGINE" in Maintenance section of this

manual.

1. Be sure lawnmower is level and area

around oil fill is clean.

2. Remove engine oil cap and fill to the

fur| line on the dipstick. Pour oil slowly.

Do not over fill.

NOTE: Allow oil to settle down into engine

for accurate reading. To read proper level,

tightenengine oil cap, then remove itto

read the dipstick.

3. Reinstatl engine oil cap and tighten.

• Check oil level before each use. Add

oil if needed. Fill to full line on dipstick,

• 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

NOTE: Before filling fuel tank, remove

and discard the debris plug that is inside

the tank.

•Fillfuel tank. Use fresh, clean, regular

unleaded gasoline with a minimum of

87 octane. Do not mix oil with gaso-

line. Purchase fuel in quantities that

can be usedwithin 30 days to assure

fuel freshness.

_I_WARNING: Experience indicatesthat

alcohol blended fuels (called gasehoi or

using ethanol or methanol) can attract

moisture which leads to separation and

formation of acids duringstorage. 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 ran untilthe fuel lines

and carburetor are empty. Use fresh fuel

next season. See Storage Instructionsfor

additional information. Never use engine

or carburetor cleaner productsin the fuel

tank or permanent damage may occur.

ACAUTION: Fill to bottomof gas tank

fillerned<. Do not overf_l. Wipe off any

spilled oil or fuel. Do not store, spillor

use gasoline near an open flame,

Gasolinefiller cap Engineoil

(Discarcldebris /cap

TO_TART ENGINE

NOTE: Due to protectivecoatings on the

engine, a small amount of smoke may be

present during the initial use of the

productand should be considered

normal.

1. To start a cold engine, push primer

three (3) times beforetrying tostart.

Use a firm push. This step is not

usually necessary when starting an

engine whichhas already run far a few

minutes.

2. Hold operator presence control bar

down to the handle and pull starter

handle quickly. Do notallow starter

rope to snap back.

TO STOP ENGINE

• To stop engine, release operator

presence control bar,

NOTE: In cooler weather it may be

necessary to repeat priming steps. In

warmer weather over pdming may cause

floodingand engine will not start. If you do

floodengine, wait a few minutes before

attempting to start and do not repeat

priming steps.

MOWlNGTIPS

• 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

fawn mower over the area a second

time.

•For extremely heavy cutting,reduce the

width of cut by ovedapp'mgpreviously

cut path and mow slowly.

• For better grass bagging and most

cuttingconditions, the engine speed

should be set in the fast p(_ition.

•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 clippingsand 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 the

Maintenance section of this manual.

• The special mulching blade will recut

the grass clippings many times and

reduce them in size so that as they fall

onto the lawn they will disperse intothe

grass and not be noticed. Also, the

mulched grass will biodegrade quickly

to provide nutrients for the lawn.

Always mulch with your highest engine

(blade) speed as this will provide the

best recutUngaction of the blades.

•Avoid cuttingyour lawn when it iswet.

Wet grass tends to form clumps and

interferes with the mulching action. The

best time to mow your lawn is the early

afternoon. At this time the grass has

dried and the newly cut area will not be

exposed to the direct sun.

•For best results, adjustthe lawn mower

cutting height so that the lawn mower

cutsoff only the top one-third of the

grass blades. If the lawn is overgrown it

will be necessary to raise the height of

cut to reduce pushingeffort and to keep

from overloading the engine and

leaving dumps of mulched grass. For

extremely heavy mulching, reduce your

width of cut, mow slowly and raise

the rear of the lawn mower one wheel

adjuster setting higher than the front.

•Certain types of grass and grass

conditionsmay require that an area be

mulched a second time to completely

hide the clippings. When doing a

second cut, mow across or perpendicu-

larto the first cut path.

•Change your cutting pattern from week

to week. Mow north to southone week

then change to east towest the next

week. This will help prevent matting

and graining of the lawn.

MA, rE.,NCESCNEDU'E

AS YOU COMPLETE _/"__'_2 _0_"__'_ .....

REGULAR SERVICE

Check for Loose Fasteners _ _/

Clean/Inspect Grass Catcher i

!t,/ V' t,/

(_fEquipped)

i clean Lawn MOwer t/' _/

O clean Under Drive Cover

(power-Propelled Mowers) IV/

Check ddve bell] ulleys

E (Power_Propell_lPaowe rs) I_'

Check/Sharpen/Replace Blade ¥/_

Lubrication Char _

Clean Baltery/Rechar_

Electric Star Mowers 11/' 11_4

ECheck Engine Oil Level

N Change Engine OII fell,z

G Clean AJrFilter I_ z

I Inspect Muffler

NClean or Replace Spark Plug V/

E Replace Air Filter Paper cartridge Mez

1-ChangernoceoRenwhen cperating underabeery bad or inhigh _t;*_entter_pefatufee=.

2*Servicent_e ellen whereopecatlngin dkty(x 6tmtyco_Ji_ons.

3* _ bladn mm'e often wl',enn m,,vinginsandy sc*l,

4-Ch_ge 48 hou_ at end _f e,eaec_,

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

Adjustmentssection of this manual

should be checked at least once each

season,

•Once a year, replace the spark plug,

clean or replace air filter element and

check blade for wear. A now spark

plug and clean/new air filter element

assure proper air-fuel mixture and help

your engine run better and last longer.

• Follow the maintenance schedule in

this manual.

BEFORE EACH USE

1. Check engine oil level.

2. Check for loose fasteners.

LUBRICATION

Keep unit well lubricated (See "LUBRI-

CATION CHART").

LUBRICATION CHART

(_ eachwheel)

Engine oil

Mulcher

doorhinge

Rear door

hinge

(_ Handle bracket mounting pins

(_) Spray lubricant

_) See "ENGINE" in Maintenance section.

IMPORTANT: Do not oil or grease

plastic wheel bearings, viscous lubri-

cents willattract dust and dirtthat will

shorten the life of the self-lubricating

bearings. If you feel they mustbe

lubricated,use only a dry, powdered

graphite type lubricant sparingly.

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