Craftsman 917.378840 Bedienungsanleitung

Owner's Manual

ICRRFTSMRN'I

6.5 HORSEPOWER

21" MULTI-CUT

POWER PROPELLED

ROTARY LAWN MOWER

Model No.

917.378840

• Safety

•Assembly

•Operation

•Maintenance

•EspaSol

•Repair Parts

CAUTION:

Read and follow all

Safety Rulesand Instructions

beforeoperatingthis equipment

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

Visit our Craftsman website: www.sears.com/craftsman

Warranty ................................................. 2 Product Specifications.......................... 12

Safety Rules ........................................ 2-4 Service and Adjustmants................. 14-15

Assembly ................................................ 5 Storage ............................................ 15-16

Operation ........................................... 6-10 Troubleshooting .............................. 16-17

Maintenance Schedule ........................ 11 Repair Parts .......................................... 37

Maintenance .................................... 11-15 Parts Ordedng ........................ Back Cover

LIMITED TWO YEAR WARRANTY ON CRAFTSMAN POWER MOWER

For twoyears from date of pumhase, 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 only 90 days from the date of purchase.

This Warranty does not cover:

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

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 Canter/Department in the United States. This warranty applies only

while this product isin use in the United States.

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

vary from state to state.

Sears, Roebuck and Co., D/817 WA, Hoffman Estates, Illinois60179

IMPORTANT: This cuttingmachine is capable of amputating hands and feet and

throwing objects. Failure to observe the following safety instructions could result in

seriousinjury or death.

I. GENERAL OPERATION

•Read, understand, and fellow all

instructionson the machine and in the

manual(s) before starting. Be thor-

oughly familiar with the controls and

the proper use of the machine before

starting.

•Do not put hands or feet near or under

rotatingparts. Keep clear of the

discharge opening at all times.

• Only allow responsible individuals,

who are familiar with 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. 2

• Be sure the area is clear of other

people before mowing. Stop machine if

anyone enters the area.

•Do not operate the mower when

barefoot or weadng open sandals.

Always wear substantial loot 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 aocessories

approved by the manufacturer.

• Stop the blade(s) when crossing gravel

drives, walks, or roads.

• Stop the engine (motor) whenever you

leave the equipment, before cleaning

the mower or unclogging the chute.

• Shut the engine (motor) off and wait

until the blade comes to complete stop

before removing grass catcher.

•Mow only in daylight or good adificial

light.

•Do not operate the machine white

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 selfopropelled mecha-

nism or drive clutch on 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 a warning of

trouble.

•Always wear satety goggles or safety

glasses with side shields when

operating mower.

I1.SLOPE OPERATION

Slopes are a major factor related to slip

and fall accidents which can result in

severe injury. All slopes require extra

caution. Ifyou fool uneasy on a slope, do

notmow it.

DO:

_, Mow acrossthe face ofslopes: never

up and down. Exercise extreme caution

when changing direction c_ slopes.

• Remove obstacles such as rocks, tree

limbs, etc.

• Watch forholes, ruts, or bumps. Tall

grass can hide obstacles.

DO NOT:

•Do not trim near drop-offs, ditches or

embankments. The operator could lose

footing or balance.

•Do not trim excessively steep slopes.

•Do not mow on wet grass. Reduced

footing could cause slipping.

IN. CHILDREN

Tragic accidents can occur if the operator

isnot alert to the presence of children,

Children are oIlen attracted to the

machine and the mowing activity. Never

assume that children will remain where

you last saw them.

•Keep children out of the trimming area

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

corners, 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 awater 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 acciden-

tal 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

storing.

•Stop and inspect the equipment if you

strike an object. Repair, i1necessary,

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 pads or

allow objects to be thrown. Frequently

check components and replace with

manufacturer's recommended parts,

when necessary.

• Mower blades are sharp and can cut.

Wrap the blade(s) or wear gloves, and

usa extra caution when servicing them.

• Do not change the engir_ governor

setting or overspeed the engine.

ALook for this symbol to pointout

important safety precautions. It means

CAUTION!!! BECOMEALERTI!t YOUR

SAFETY IS INVOLVED.

CAUTION: In order to prevent

accidental starting when setting up,

transporting, adjusting or making repairs,

always disconnect spark plug wire and

place wire where it cannot contact spark

plug.

_,WARNING: Engine exhaust, some of its

constituents, and certain vehicle

components contain or emit chemicals

known to the State of California to cause

cancer and birth defects or other

reproductive harm.

_,WARNING: Battery posts, terminals and

retsted accessories contain lead and lead

compounds, chemicals known to the State

of California to cause cancer and birth

defects or other reproductive harm. Wash

hands after handling.

;i, CAUTION: Mufftsr 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.

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 outtets and

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

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

apply to your lawn mower.

LAWN MOWER PERFORMANCE

CLIPPING DEFLECTOR

FOR REAR DISCHARGE LAWN MOWERS

GRASS CATCHERS

FOR

REAR DISCHARGE

LAWN MOWERS

MULCNER KITS

_GRASS CATCHERS

FOR

SIDE DISCHARGE

LAWN MOWERS

STABILIZER

GAS CANS

LAWN MOWER MAINTENANCE

MUFFLERS

BELTS BLADES

AIR FILTERS

BLADE ADAPTERS WHEELS

SPARK PLUGS

ENGINE OIL

Read these instructions and this manual

in itsentirety before you attempt to

assemble or operate your new lawn

mower.

IMPORTANT: This lawnmower is

shipped WITHOUT OIL OR GASOLINE in

the engine.

Your new lawn mower has been as-

sembled at the factory with the exception

ofthose parts left unassembled for

shipping purposes. All parts such as nuts,

washers, bolts, etc., necessary to com-

plete the assembly have been placed in

the parts bag.To ensure safe and proper

operation of your lawn mower, all parts

and hardware you assemble must be

tightened securely.Use the correcttools

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 flat.

3. Remove all packing materials 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 thorougly for additional

loose pads.

HOWTO SET UPYOUR LAWN

MOWER

TO UNFOLD HANDLE

IMPORTANT: Unfold handle carefully so

as not to pinch or damage controlcables.

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 both handle

knobs.

3. Remove handle padding holding

operator presence control bar to

upper handle.

Your lawn mower handle can be adjusted

for your mowing comfort. Refer to "AD-

JUST HANDLE" in the Service and

Adjustments section of this manual.

control bar

Mowing

position

Lower handle

TO INSTALL AI"FACHMENTS

Your lawn mower was shipped ready to

be used as a mulcher. To convert mower

to bagging, see "TO CONVERT MOWER"

in the Operation section ofthis manual,

KNOWYOUR 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 locationof vadous controlsand 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, KEEPHANDS

ORWARNtNG ON OFF AND FEET AWAY

Throttle -Operator presence control bar

Drive control lever

ine zone controlcable

Handle knob

Grass catcher

w/dipstick

Muffler

Housing

Drive

Mulcher door

IMPORTANT: This lawn mower is shipped Wheeladjuster

WITHOUT OIL OR GASOLINE inthe engine. (on each wheel)

MEETS CPSC SAFETY REQUIREMENTS

Sears rotarywalk-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 en?ine is running].

Operator presence control bar - must

be held down to the handle to start the

engine. Release to stop the engine.

Mulcher door - allows conversion to

discharging or bagging operation.

Primer- pumps additional fuel from the

carburetor to the cylinder for use when

starting a cold engine.

Starter handle -used for starting the

engine.

Throttle control - used for startingthe

engine and allows you to select either

fast or slow engine speed.

Drive control lever -used to engage

power-prepelled forward motion of lawn

6 mower.

Theoperationofany 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.

HOWTO USEYOUR LAWN MOWER

ENGINE SPEED

The engine speed is controlled by e

throttlelocated on the side of the upper

handle. Fast position isfor starting,

normal cutting, trimming and better grass

bagging. Slow positionis for light cutting,

trimming and fuel economy.

Fast

Slow

ENGINE ZONE CONTROL

_,CAUTION: Federal regulations require

an engine control to be installedon 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 lawn 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.

DRIVE CONTROL

•Self-propelling is controlled by holding

the operator presence control bar down

to the handle and pushing the drive

control lever forward until itclicks;then

releasing the 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

until the drive control disengages• Hold

operator presence control bar down

ageinst handle to continue mowing

without setf-propetling.

•To keep drive control engaged when

turningcomers, push down on hand_e

and liftfront wheels off ground while

turning lawn mower.

_d__e_r _i\ Operatorpre§encecontrolbar Drive

_t_" ._ control

Ddvecontrol

_ disengaged

TO ADJUST CUl"rING 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 intohole in lever.

Also, 9-position adjusters (if so equipped)

allow lever to be positioned between the

plate tabs.

Lowe.__rWheelsfor HighCut /_te_

RaiseWheelsforLowCut Lever

TOCONVERTMOWER

Yourlawnmowerwasshippedreadyto

beusedas a mulcher. To convert to

bagging or discharging:

REAR BAGGING

• Lift rear door of the lawn mower and

place the grass catcher frame hooks

onto the door pivot pins.

•To convert to mulchingor discharging

operation, remove grass catcher and

close rear door.

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 mulching or bagging

operation, discharge deflector must be

removed and mulcher door must be

closed.

SIMPLE STEPS TO REMEMBER WHEN

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.

_,CAUTION: Do not run your lawn

mower without rear door closed or

approved grass catcher in place.

Never attempt to operate the lawn mower

with the rear door removed or propped

open. Pivot ' Rear Grass

catcher

handle

Discharge

deflector

door

Open mulcher door

Catcher frame hook

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 ofthis

manual.

1. Be sure lawnmower is level and area

around oil fill is clean.

2. Remove engine oil cap and fill to the

full 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,

tighten engine oil cap, then remove it to

read the dipstick.

3. Reinstall 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 figingfuel tank, remove

and discard the debr;s plugthat 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 used within 30 days to assure

fuel freshness.

AWARNING: Experience indicates that

alcohol blended fuels (caged gasohol or

using ethanol or methanol) can attract

moisture which leads to separation and

formation of acids dudng storage. Acidic

gas can damage the fuel system ofan

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 untilthe fuel lines

and carburetorare empty. Use fresh fuel

next season. See Storage Instructionsfor

additional information. Never usa engine

or carburetor cleaner products in the fuel

tank or permanent damage may occur.

A, CAUTION: Filltobottom of gas tank

filler neck. Do not overfill. Wipe off any

spilledoil or fuel. Do not store, spillor

use gasoline near an open flame.

Gasoline filler cap Engine

(Discard debris plug inside)

Primer

TO START ENGINE

NOTE: Due to protective coatings on the

engine, a small amount of smoke may be

present during the initialuse of the

product and should be considered

normal.

1. To start acold engine, push primer

three (3) times before trying to start.

Use afirm push. This step is not

usually necessary when starting an

engine which has already run for a

few minutes.

2. Move throttlecontrol lever to fast

position.

3. Hold operator presence control bar

down to the handle and pull starter

handle quickly. Do not allow starter

rope to snap back.

TO STOP ENGINE

•To stop engine, release operator

presence control bar.

NOTE: In cooler weather itmay be

necessary to repeat priming steps. In

warmer weather over priming may cause

flooding and engine will not start. If you

do flood engine, 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

effortand 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

cuttingconditions, the engine speed

should be set in the fast position.

•Pores in cloth grass catchers can

become filledwith 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 MOWINGTIPS

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 mulchingblade will recut

the grass clippings many times and

reduce them in size sothat as they fall

onto the lawn they will disperse intothe

grass and notbe noticed. Also,the

mulched grass will biodegrede quickly

to provide nutrients for the lawn.

A_ways mulch with your highest engine

(blade) speed as this will provide the

best recutting action of the blades.

•Avoid cuttingyour lawn when it is wet.

Wet grass tends to form clumps and

interferes with the mulching action.

The best time to mow your lawn isthe

eady afternoon. At this time the grass

has dried and the newly cut area will

notbe exposed to the directsun.

•For best results,adjust the lawn mower

cutting height so that the lawn mower

cuts off only the top one-thirdof the

grass blades. If the lawn is overgrown

it will be necessary to raise the height

of cut to 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

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 firstcut path.

•Change your cutting pattern from week

to week. Mow north to southone week

then change to east to west the next

week. This will help prevent matting

and grainingof the lawn.

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