Craftsman 917.377621 Manuel utilisateur

Owner's Manual

CRAFTSMAN°

6.75 HORSEPOWER

21" REAR DISCHARGE

POWER PROPELLED

ROTARY LAWN MOWER

Model No.

917.377621

•Safety

•Assembly

•Operation

•Maintenance

•EspaSol

•Repair Parts

CAUTION:

Read and follow all

Safety Rules and Instructions

before operating this equipment

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

Warranty 2Product Specifications 11

Safety Rules 2 Service and Adjustments 14

Assembly 4 Storage 14

Operation 6 Troubleshooting 16

Maintenance Schedule 10 Repair Parts 34

Maintenance 10 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 workmanship.

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 crank-

shafts and the failure to maintain the equipment according to the instructions con-

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

TRAINING:

• Read this operator's manual carefully.

Become familiar with the controls and

know how to operate your mower

properly. Leam 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-

turar. 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 itof 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 discharge

opening at all times.

• Always stop the engine whenever you

leave or are not using your mower, 0r

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 ifyou

hit a foreign object. Follow the procedure

outlined above, then repair any damage

before restarting and operating you

mower.

•Do not change the governor settings or

overspeed the engine. Engine damage or

personal injury may resutt.

•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 mount-

ing 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.

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,

Theyarealso

These accessories were available when this lawn mower was

available at most Sears retailoutletsand service centers. Most Sears stores can also order

repairparts for you, when you providethe model number ofyour lawn mower. Some ofthese

accessories may not applyto your lawn mower.

LAWN MOWER PERFORMANCE

CUPPING DEFLECTOR

FOR REAR DISCHARGE LAWN MOWERS

GRASS CATCHERS

FOR

REAR DISCHARGE

LAWN MOWERS

MULCHER KITS

--_! GRASS CATCHERS

/FOR

SIDE DISCHARGE

LAWN MOWERS

STABlUZER

GAS CANS

LAWN MOWER MAINTENANCE

MUFFLERS

BELTS BLADES

AIR FILTERS

BLADE ADAPTERS 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. Your

new lawn mower has been assembled at

the factory with the exception of those

parts left unassembled for shipping

purposes. 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.

All parts such as nuts, washers, bolts, etc.,

necessary to complete the assembly have

been placed in the parts bag.

TO REMOVE LAWN MOWER FROM

CARTON

• Remove loose parts included with

mower.

• Cut down two end corners of carton and

lay end panel down flat.

• Remove al_ packing 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.

HOW TO SET UP YOUR LAWN

MOWER

TO UNFOLD HANDLE

IMPORTANT: Unfold handle carefully so

as not to pinch or damage control cables.

•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.

•Remove protective padding, raise upper

handle section into place on lower

handle and tighten both handle knobs.

•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 presence

control bar

Upper handle

Lift up

Lower

handle

3-position

Handle

adjustment

bracket

Lift up

Mowing

position

Handle

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 mulcher

plug. Store mulcher plug in a safe

place.

• You can now install catcher or optional

clipping deflector,

•To return to mulching operation, instal_

mulcher plug into discharge opening of

mower.

Mulcher Plug

KNOW YOUR 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 reference.

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

Leam and understand their meaning.

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

OR WARNING ON OFF AND FEET AWAY

Operatorpresencecontrol

Starter handle Cable clip

Grass catcher

Wheel adjuster

lever

Gasolinecap

Primer

Mulcher

plug Engineoilcap w/dipstick

Housing

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 - 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.

Mulcher plug - Located at the rear

discharge opening must be removed when

converting to bagging operation.

The operationof any lawn mower can resultin

foreignobjects thrown into the eyes, whichcan

resultinsevereeye damage, Always wear

safetyglassesoreye shieldswhileoperating

your lawn mower or pedorming any adjust-

ments or repairs. We recommend a wide

vision safety mask over the spectacles or

standard safety glasses.

HOW TO USE YOUR LAWN MOWER

ENGINE SPEED

The engine speed was set at the factory for

optimum performance. Speed is not adjust-

able.

ENGINE ZONE CONTROL

CAUTION: Federal regulationsrequirean

engine controlto be installed on this lawn

mower inorder to minimize the riskof blade

contactinjury.Do not under any circumstances

attemptto 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.

TO ADJUST cUTnNG HEIGHT

• All four wheels are adjusted by a single

lever.

• Pull adjuster lever toward wheel. To raisa

mower, move lever forward to desired

position. To lower mower, move the lever

toward the rear.

LowerWheels for hi hcut

Wheel

Adjuster /.

Lever

Raise Wheels for low cut

TO OPERATE DRIVE SYSTEM

•To startforward motion, liftdrive control bar

up to handle.

•To stop forward motion, release drive

control bar.

IMPORTANT: Always keep drive control bar

fully engaged against handle when in use,

Drive

Operator presence control bar

c°ntr°' ba: "_L_ _n

To enga_ _ trol

drive control desengaged

TO ATTACH GRASS CATCHER

• Lift the rear door ofthe lawn mower and

place the grass catcher frame hooks intothe

slots ofthe rear door.

•The grass catcher issecured tothe lawn

mower housingwhen the rear door is

lowered onto the grass catcher frame.

CAUTION: Do not runyour lawn mower

withoutclippingdeflector or approved graSS

catcher in place. Never attempt to operate the

lawn mower with the rear door removed or

propped open.

Rear door

slots Grass

handle

Catcher frame

hook

TO EMPTY GRASS CATCHER

•Liftup on grass catcher using the frame

handle.

•Remove graSScatcher with clippingsfrom

underlawnmower handle.

•Empty clippingsfrombeg usingbothframe

handleand beg handle.

NOTE: DO notdragthebag when emptying;

itwillcause unnecessarywear.

BEFORE STARTING ENGINE

OIL

Your lawn mower isshipped without oil inthe

engine.

• Be sure mower is level and area around oil

fill is clean.

• Remove engine oil cap w/dipstick and fill to

the full line on the dipstick.

•Use 20 ozs. of oil. Fortypeandgradeofoil

to use, see "ENGINE" in Maintenance

section ofthis manual.

•Pouroilslowly. DOnot 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.

• Changethe oilafter every 25 hoursof

operation or each season. You may need

tochange the oilmore often under dusty,

dirty conditions.

GAG

• 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 quanti-

ties that can be used within 30 days to

assure fuel freshness.

IMPORTANT" WHEN OPERATING IN

TEMPERATURES BELOW 32°F(0°C), use

fresh, clean winter grade gasoline to help

insure good cold weather starting.

WARNING: 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.

CAUTION: 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.

Engine oilcap

w/dipstick

Gasolinefiller

TO START ENGINE

• To start a cold engine, push primer five

(5) times before trying to start. Use a

fiJ'mpush. This step is not usually

necessary when starting an engine

which has already run for a few minutes.

•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, 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 certainconditions, such as very tall

grass, itmay be necessary to raise the

height of cutto reduce pushing effortandto

keep from overloadingthe engine and

leaving clumps ofgrass clippings.

• For extremely heavy cutting,reducethe

width ofcut by overlapping previouslycut

path and mow slowly.

•When using arear discharge lawn mower in

moist, heavy grass, clumpsof cutgrass

may notenter the grass catcher. Reduce

ground speed (pushing speed) and/or run

the lawn mower over the area a second

time.

•ffa trailofclippingsisleft on the rightside of

arear discharge mower, mow in a dock-

wise directionwitha small overlap tocollect

the clippingson the next pass.

•Pores inclothgrass catchers can become

filled with dirtand dust with use and

catchers willccllect less grass. To prevant

this, regularlyhose catcher offwithwater

and letdry before using.

•Keep top of engine around starterclear and

clean ofgrass clippingsand chaff. Thiswill

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 willrecut 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 recutting 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 affemoon. At

this time the grass has dried and the newly

cut area willnot be exposed to the direct

sun.

• For best results, adjust the lawn mower

cutting height sothat the lawn mower cuts

offonlythe top one-third ofthe grass blades.

Ifthe lawn isovergrown itwill be necessary

to raise the height ofcutto reduce pushing

effort and to keep from overloadingthe

engine and leaving clumpsof mulched

grass. For extremely heavy mulching,

reduce your widthof cutby overlapping

previouslycutpath and mow slowly.

•Certain types ofgrass and grass conditions

may requirethat an area be mulched a

second time tocompletely hidethe

clippings. When doingasecond cut, mow

across or perpendicular tothe first cut path.

•Change your cuttingpattern from week to

week. Mow north to southone week then

change to east to westthe nextweek. This

willhelp prevent matting and graining ofthe

lawn.

.A,NTENANCESCHEDULE

FILL IN DATES _ _ _ ,_._..,I, _SERVICE DATES

REGULARSERVICE ICE O

Check forLooseFasteners I/ li/

Clean/Inspast Grass Catcher

iM CleanLawn Mower

O, Clean UnderDriveCover

:(Power-PropelledMowers) t/

RE CheckdrivebeWpulleys

(Power-Propelled Mowers)

CheclVSharpen/ReplaceBlade _b/s

LubricationChart

Clean Battery/Recharge

IElectric Start Mowers! I_ I/4

ECheckEngineOil Level I/

NChange Engine Oil t/1.2

_N CleanAir Filter

InspectMuffler

Clean or Replace Spark Plug I_

E !Replace Air Filter Paper Cartridge 1_2

1 - Change more often when opera,rig un_r a MaW load or _high anlblent tempwatures.

2 - Service morn olten when operating _dirty or dusty condlUom.

3 - Replace blades moreoften when mowing in sandy soil.

4 - Charge 48 hours at end of season.

GENERAL RECOMMENDATIONS

The warranty on this lawn mower does not

cover itemsthat have been subjected to

operator abuse or negJkjence, To receive full

value from the warranty, operator must

maintain mower as instructedin this manual.

Some adjustments willneed to be made

pedodicaityto propertymaintain your unit.

Alladjustments inthe Service and Adjust-

merits sectionof this manual shouldbe

checked at least once each season.

• Once a year, replace the spark plug,

replace air filterelement and check blade for

wear. A new spark plug and clean/new air

ititerelement assures proper alr-fual mixture

and helps your engine run better and last

longer.

•Follow the maintenance schedule in this

manual.

BEFORE EACH USE

•Check engine oillevel.

•Check for loose fasteners.

LUBRICATION

Keep unitwell lubricated (See "LUBRICATION

CHART").

LUBRICATION CHART

(_ Wheel

adjuster

IBrake

_'_ ingin_Polng

"_'_ t_ b acket

(_) Rear

door

(_ Drivepins hinge

(_) Spray lubricant

(_) Refer to Maintenance "ENGINE"

section.

IMPORTANT: Do not oilor grease plastic

wheel bearings. VLsoouslubricantswill

attractdust and dirtthatwillshorten the

lifeofthe selflubricatingbearings, If you

feel they must be lubricated,use only a

dry,powdered graphitetype lubricant

sparingly.

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