Craftsman 917.37841 Bedienungsanleitung

Owner's Manual

ICRAFT.TMAWI

6.75 HORSEPOWER

21" REAR DISCHARGE

POWER PROPELLED

ROTARY LAWN MOWER

Model No.

917.378410

• 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.condcraftsman

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

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

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

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

Maintenance Schedule ...................... "t0

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

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

Service and Adjustments .................... 13

Storage ............................................... 14

Troubleshooting ................................. 16

Repair Parts........................................ 35

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 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 usedfor 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 dghts, and you may also have other rights which

varyfrom state tostate.

Sears, Roebuck and Co., D/617 WA, Hoffman Estates, Illinois 60179

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

throwing objects. Failure to observe the following safety instructionscould result in

serious injuryor death.

I.GENERAL OPERATION

•Read, understand, and follow all

instructions on 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

rotating parts. 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 wearing 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 instructions for

proper operation and installation of

accessories. Only use accessories

approved by the manufacturer.

• Stopthe blade(s) when crossing gravel

drives, walks, or roads.

•Stop the engine (motor) whenever you

leave the equipment, before cleaning

the mower or uncloggingthe 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 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 drive 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 a warning of

trouble.

•Always wear safety goggles or safety

glasses with side shields when

operating mower.

II. SLOPE OPERATION

Slopes are a major factor related to slip

and fall accidents which can result in

severe injury.AII slopes require extra

caution. If you feel uneasy on a slope, do

notmow it.

DO:

•Mow across the face of slopes: never

up and down. Exercise extreme caution

when changing direction on 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 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,

II1.CHILDREN

Tragicaccidents can occur if the operator

is notalert to the presence of children.

Children are often 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 fuers. 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 amachine 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, 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 parts,

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.

_ILook for this symbolto point out

important safety precautions. It means

CAUTION!!! BECOMEALERT!H 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.

A CAUTION: Muffler 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.

AWARNING: Engine exhaust, some of its

constituents, and certain vehicle

components contain or emit chemicals

known to the State of California to cause

cancer and birthdefects or other

reproductive harm.

_,WARNING: Battery posts,terminals and

related 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.

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

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

providethe model number ofyour 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

MULCHER KITS

GRASS CATCHERS

FOR

SIDE DISCHARGE

LAWNMOWERS

LAWN MOWER MAINTENANCE

MUFFLERS

BELTS BLADES

AIR FILTERS

BLADE ADAPTERS WHEELS

STABILIZER

I_IllI

II_

GAS CANS

SPARK PLUGS

t_,

_1 I

ENGINE OIL

Read these instructionsand this manual

in its entirety before you attempt to

assemble or operate your new lawn

mower.

IMPORTANT: This lawn mower is

shippedWITHOUT 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. Toensure safe and proper

operation of 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 corners 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 parts,

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 rocks 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 "Adjust

Handle" in the Service and Adjustments

section of this manual.

OP_r'a;°braPresence_'_Lift u[_)

Upperhandle-_ _" /#"

•.o0

Lower handle

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 location of various 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, KEEP HANDS

OR WANNING ON OFF AND FEET AWAY

Starter handle

_perator presence control bar

Ddve control lever

knob

Gasoline cap

Grass

Housing

Engine oil ca[ Drive cover

IMPORTANT: This lawn mower is

shipped WITHOUT OIL OR GASOLINE

in the engine. Wheeladjuster(oneachwheel)

MEETS CPSC SAFETY REQUIREMENTS

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

Amedcan 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 Starter handle -used for starting the

be held down to the handle to start the engine.

engine. Release to stopthe engine. Drive control lever -used to engage

Primer -pumps additional fuel from the power-propelled forward motion of lawn

carburetor to the cylinder for use when mower.

starting a cold engine, 6

The operationof 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 visionsafety

mask over spectacles or standard safety

glasses,

HOWTO USEYOUR LAWN MOWER

ENGINE SPEED

The engine speed was set at the factory

for optimumperformance. Speed is not

adjustable.

ENGINE ZONE CONTROL

A_.CAUTION: Federal regulations require

an engine control to be installed on this

lawn mower in order to minimize the risk

of blade contactinjury.Do not under any

circumstances attempt to defeat the

functionof 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.

TO ADJUST CUTTING HEIGHT

Raise wheels for low cut and lower

wheels for highcut, adjust cutting height

to suit your requirements. Medium

positionis 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. PlateTab

LowerWheelsfor HighCut /,,rib.

_ Lever

RaiseWheelsfor Low Cut

TO CONVERT MOWER

Yourlawn mower was shippedreadyto be

usedas a mulcher. Toconverttobagging:

REARBAGGING

•Liftrear doorofthe lawnmower and place

the grasscatcherframe hooksontothe

doorpivotpins.

•To converttomulchingoperation,remove

grasscatcher and closerear door.

_,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 Grass catcher

handle

Catcher frame hool

TO EMPTY GRASS CATCHER

1. Open door and lift up on grass catcher

using the frame handle.

2. Remove grass catcher with clippings

from under lawn mower handle.

3. Empty clippingsfrom bag using both

frame handle and bag handle.

NOTE: Do not drag the bag when

emptying; it will cause unnecessary wear.

Bag catcher frame

handle handle

DRIVE CONTROL

•Self-propelling is controlled by holding

the operator presence control bar down

to the handle and pushing the drive

controllever forward until it clicks;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

untilthe ddve control disengages. Hold

operator presence control bar down

against handle to continue mowing

without self-propelling.

• To keep drive control engaged when

turningcomers, push down on handle

and lift front wheels off ground while

turning lawn mower.

Operatorpresencecontrolbar Drive

t control

_k_TOengage _._ Drivecontrol

"" dn_/econtrol"" disengaged

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 fillto 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

•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 indicatesthat

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. Drainthe 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.

_, CAUTION: Fill to bottom of gas tank

filler neck. Do notoven311.Wipe off any

spilled oil or fuel Do not store, spill or

use gasoline near an open flame.

Engine oil cap Gasoline filler cap

TO START ENGINE

NOTE: Due to protective coatings on the

engine, a small amount of smoke may be

present dunng the initial use of the

product and should be considered

normal.

1. To start a cold engine, push primer

three (3) times before trying tostart.

Use a firm push. This step is not

usually necessary when starting an

engine which has alraady run for 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 coolerweather it may 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 attemptingto start and do not

repeat priming steps.

MOWlNGTIPS

• Undercertainconditions,suchasvery

tallgrass,itmay be necessary to raise

the height of cut to reduce pushing

effort and to keep from overloading the

engine and leaving clumps of grass

clLppings. It may also be necessary to

reduce ground speed and/or run the

lawn mower over the area asecond

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 arear discharge mower, mow in

a clockwise directionwith a small

overlap to collect the clippings on the

next pass.

•Pores in clothgrass 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 MOWINGTIPS

IMPORTANT: For best performance,

keep mower housing free of built-up

grass and trash. See "Cleaning" Ln

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 into the

grass end not be noticed. Also, the

mulched grass wilt biodegrade quickly

to provide nutrients for the lawn.

Always mulch with your highest engine

(blade) speed as this will provide the

best recutting actionof the blades.

• Avoid cutting your lawn when it is wet.

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, 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 cut to reduoe 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 doinga

second cut, mow across or perpendicu-

lar to the firstcut path.

•Change your cutting pattern from week

to week. Mow north to south one week

then change to east to west the next

week. This will help prevent matting

and graining of the lawn.

Max 1/3

MAINTENANCE SCHEDULE

FILL IN DATES

AS YOU COMPLETE

REGULAR SERVICE SERVICE DATES

Check for Loose Fasteners I/ _11/

Cleatvlnspect Grass Catcher

(If Equipped) t/ ll/ 11/

M Clean Lawn Mower _J_

O Clean Under Drive Cover

(Power*Propelled Mowers)

Check drive belt/ ulleys

E (Power_Propell_jPMowers) IJ

Check/Sharpen/Replace Blade _3

Lubrication Chart I/ t/

Clean BatterylRecharge

IElectric Start Mowers !II/' _4

E 3heckEngineOilLevel ¥1

NChan_e Engine Oil t/l,z

GClean Air Filter It/ 2

I ! Inspect Muffler _'

NClean or ReplaCe Spark Plug

EReplaceAirFilterPaperCarb'idge b/2

1o_mo_e often when operating IJnde_r aheavy load or In high ambient temperatu_'es

2 oSeph_ morn_when op_'a_ng indi,_yot dustycond_tioP_

3 oRepts_ blades morn of_n when n_wk_l in sandyscll

4 - _48 boutsal end o#season.

GENERAL RECOMMENDATIONS

The warranty on this lawn mower does

notcover 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

periodicallyto properly maintain your

unit.

Alt 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,

clean or 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

1. Check engine oil level.

2. Check for loose fasteners.

LUBRICATION

Keep unit well lubricated (See "LUBRI-

CATION CHART").

LUBRICATION CHART

_) Wheeladjuster

Handle bracket mounting pin

(_) Refer to maintenance "Engine" section.

_) Spray lubricant

IMPORTANT: Do not oil or grease

plastic wheel bearings, viscous lubri-

cants willattract dust and dirt thatwill

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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