Craftsman 917.379811 Bedienungsanleitung

Owner's Manual

]CRHFTSMRN°]

6.75 HORSEPOWER

21" MULTI-CUT

POWER PROPELLED

ROTARY LAWN MOWER

Model No.

917.379811

•Safety

•Assembly

•Operation

•Maintenance

•Espa_ol

•Repair Parts

NOTE: Engines which are certified to comply with California and U.S. EPA emission regulations

for SORE (Small Off Road Equipment), are certified to operate on regular unleaded gasoline, and

include the following emission control systems: Engine Modification (EM), and Three-way

Catalyst (TWC) (If so equipped).

AVISO: Los motores homologados para cumplir con la reglamentaci6n sobre emisiones de

California y de la Agencia de Protecci6n Ambiental estadounidense (EPA) para equipos

pequeSos no circulantes (SORE) funcionan con gasolina normal sin plomo, e incluyen los

siguientes sistemas de control de emisiones: modificaci6n del motor (EM) y catalizador de triple

acci6n (TWC) (en caso de tenet/o).

The D.O.M. decal includes engine life specifications for the emissions-related useful life period of

your engine. This period relates to the emission compliance life as certified by EPA,'CARB. To

find the life period specification for your engine, please match one of the following letters with the

letter printed on your D.O.M. decal: (C) 125 hours, (B) 250 hours, (A) 500 hours.

La calcomania D.O.M. incluye especificaciones sobre la duraci6n del motor para el periodo de

vida i_til de su motor relaccionado con emisiones. Este periodo se relaciona con la duraci6n en

conformidad con las emisiones segl_n Io certificado pot EPA/CARB. Para hallar la especificaci6n

del perfodo de vida de su motor, mire cu_.l de las siguientes letras viene impresa en su

calcomania D.O.M.: (C) 125 horas, (B) 250 horas, (A) 500 horas.

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/craftsman

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

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

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

Operation ........................................... 6-10

Maintenance Schedule ........................ 11

Maintenance .................................... 11-14

Product Specifications .......................... 12

Service and Adjustments ...................... 15

Storage ............................................ 16-17

Troubleshooting .............................. 17-18

Repair Parts ..................................... 36-43

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 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

IMPORTANT: This cutting 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.

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.

• 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 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 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 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. All slopes require extra

caution. If you feel uneasy on a slope, do

not mow 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.

IlL CHILDREN

Tragic accidents can occur if the operator

is not alert 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 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 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.

_-Look for this symbol to point out

important safety precautions. It means

CAUTION!!! BECOMEALERT!!! YOUR

SAFETY IS INVOLVED.

AWARNING: In order to prevent acci-

dental starting when setting up, transport-

ing, 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 compo-

nents contain or emit chemicals known to

the State of California to cause cancer

and birth defects or other reproductive

harm.

AWARNING: 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.

CAUTION: Muffler and other engine

parts become extremely hot during

operation and remain hot after engine has

stopped. To avoid severe bums on

contact, stay away from these areas.

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

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

centers. MostSears storescan alsoorder repairpartsfor you,when you providethe model

numberofyourlawnmower. Some ofthese accessoriesmay notapplyto yourlawnmower.

LAWN MOWER PERFORMANCE

CLIPPING DEFLECTOR

FOR REAR DISCHARGE LAWN MOWERS

MULCHER KITS

_GRASS CATCHERS _GRASS CATCHERS

FOR EOR

REAR DISCHARGE SIDE 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 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. 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 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 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.

HOW TO SET UP YOUR LAWN

MOWER

TO UNFOLD HANDLE

IMPORTANT: Unfold handle carefully so

as not to pinch or damage control cables.

1. Raise lower handle section to

operating position and squeeze the

bottom ends of lower handle towards

each other until the pin in handle can

be inserted into one of the three

height adjustment holes.

2. Remove protective padding, raise

upper handle section into place on

lower handle and tighten both handle

knobs.

3. Remove any packing material from

around control bar.

Your handles may be adjusted for your

mowing comfort. Refer to Service and

Adjustments section of this manual.

Operator

control bar

Upper

Lift u

Mowing

position

Lower handle

Handle pin

3-Position J

handle

bracket

TO INSTALL ATTACHMENTS

Your lawn mower was shipped ready to

be used as a mulcher. To convert to

bagging or discharging, see "TO CON-

VERT MOWER" in the Operation section

of this manual.

KNOWYOUR LAWN MOWIER

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 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

Drive control

Starter

Handle knob

presence control bar

Drive speed control lever

Engine zone control cable

Ddve cover

Gasoline filler cap

Single point height adjuster handle Air filter

Muffler

Mulcher plug

IMPORTANT: This lawn mower is shipped

without oil or gasoline in the engine. ousing

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 Product Safety Commis-

sion. The blade turns when the engine is running.

Operator presence control bar - must

be held down to the handle to start the

engine. Release to stop the engine.

Primer -pumps additional fuel from the

carburetor to the cylinder for use when

starting a cold engine.

Starter handle -used for starting the

engine.

Drive control bar - used to engage

power-propelled foward motion of lawn

mower.

Drive speed control lever - used to

engage power-propelled forward motion

lawn mower.

Single point height adjuster- used to

adjust cutting height of lawn mower.

Mulcher door - allows conversion to

discharging or bagging operation.

Mulcher plug -Located at the rear

discharge opening must be removed

when converting to bagging operation.

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.

HOWTO USEYOUR LAWNMOWER

ENGINE SPEED

The engine speed was set at the factory for

optimum performance. Speed isnot

adjustable.

ENGINE ZONE CONTROL

_I.CAUTION: Federal rec]ulaUons .req.uire 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 tums when

the engine is running.

•Your lawn mower is equipped with an

operator presence control bar which

requires the operator to be posiUoned

behind the lawn mower handle to start and

operate the lawn mower.

GROUND DRIVE SPEEDS

Your lawn mower provides multiple

speeds to let you select the speed that

suits you best.

• Lower speeds are for heavy/thick grass

cutting or trimming.

• Medium speeds are for normal grass

cutting or trimming.

• High speeds are for light cutting and for

ground transport.

NOTE: Do not move speed control lever

unless the engine is running

Drive speed

control lever_

TO OPERATE DRIVE SYSTEM

•With engine running, select ground

speed by moving drive speed control

lever to desired position.

•To start forward motion, pull drive

control bar back against handle.

•To stop forward motion, release drive

control bar.

IMPORTANT: Always keep drive control

fully engaged against handle when in

use. control bar

Drive control Drive control

enganged disengaged

TO ADJUST CU'I-rING HEIGHT

All four wheels are adjusted by a single

lever.

• Pull adjuster lever toward wheel. To

raise mower, move lever forward to

desired position. To lower mower,

move the lever toward the rear.

Lower Wheels

for High Cut "k_ / J

Single point _ i¢,,J"'_

height adjuster "j,_'_\

lever _\

Raise Wheels

for Low Cut

TO ATTACH GRASS CATCHER

1. Lift the rear door of the lawn mower

and place the grass catcher frame

hooks into the slots of the rear door.

2. The grass catcher is secured to the

lawn mower housing when the rear

door is lowered onto the grass catcher

frame.

ACAUTION: 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.

Rear door slotsGrass

catcher

Catcher frame hook

TO EMPTY GRASS CATCHER

1. Lift up on grass catcher using the

frame handle.

2. Remove grass catcher with clippings

from under lawn mower handle.

3. Empty clippings from bag using both

frame handle and bag handle.

NOTE: Do not drag the bag when

emptying; it will cause unnecessary wear.

Grass

;atcher

frame

Bag handle

handle

TO CONVERT MOWER

Your lawn mower was shipped ready to

be used as a mulcher. To convert to

bagging or discharging:

REAR BAGGING

• Open rear door and remove mulcher

plug. Store mulcher plug in a safe

place.

• You can now install the grass catcher.

• To convert to mulching or discharging

operation, install mulcher plug into rear

discharge opening of mower.

SIDE DISCHARGING

• Mulcher plug must be installed into rear

discharge opening of mower.

• 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 discharge guard must be

closed.

door

Open mulcher door

Discharge

deflector

Mulcher plug

SIMPLE STEPS TO REMEMBER WHEN

CONVERTING YOUR LAWN MOWER

FOR MULCHING -

1. Rear mulcher plug installed.

2. Mulcher door closed.

FOR REAR BAGGING -

1. Rear mulcher plug removed.

2. Grass catcher installed.

3. Mulcher door closed.

FOR SIDE DISCHARGING -

1. Rear mulcher plug installed.

2. Side discharge deflector installed.

ACAUTION: Do not run your lawn mower

without rear mulcher plug in place or

approved grass catcher in place.

Never attempt to operate the lawn mower

with the rear door removed or propped

open.

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

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

•Fill fuel tank. Use fresh, clean, regular

unleaded gasoline with a minimum of

87 octane. 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 untilthe fuel lines

and carburetor are empty. Use fresh fuel

next season. See Storage Instructionsfor

additional information. Never use engine

or carburetor cleaner products in the fuel

tank or permanent damage may occur.

A CAUTION: Fillto 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.

Gasoline

filler cap

Engine oil cap

TO START ENGINE

NOTE: Due to protective coatings on the

engine, a small amount of smoke may be

present during the initial use of the

product and should be considered

normal.

1. To start a cold engine, push primer

three (3) times before trying to start.

Use a firm push. This step is not

usually necessary when starting an

engine which has already run for a few

minutes.

2. 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 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

attempting to start and do not repeat

priming steps.

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.

•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 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 into the 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 recuffing action of 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 aftemoon. 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

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 conditions

may require that an area be mulched a

second time to completely hide the

clippings. When doing a second cut, mow

across or perpendicular to the first cut path.

• Change your cutting pattem 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.

bMax 1/3

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