Craftsman 917.388270 Manuel utilisateur

Owner's Manual;

CRAFTSMAN

5.5 HORSEPOWER

21" REAR DISCHARGE

ROTARY LAWN MOWER

Model No.

917.388270

• 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/craftsman

Warranty _ ' 2 Product Specifications 10

Safety Rules 2 Service and Adjustments 12

Assembly 4 Storage 13

Operation 6 Troubleshooting 15

Maintenance Schedule 9 Repair Parts 32

Maintenance 9 Parts Ordering Back Cover

LIMITED I'WO 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

Safety standards require operator pres-

ence control to minimize the risk of injury.

Your unit is equipped with cuch controls.

do not attempt to defeat the function of the

operator presence controls under any

circumstances.

TRAINING:

• Read this operator's manual carefully.

Become familiar with the controls and

know how to operate your mower

properly. Learn 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-

turer. 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 it of 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, or

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 repaidng

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 acciden-

tal starting.

•Do not continue to run your mower if you

hit a foreign object. Follow the proce-

dure outlined above, then repair any

damage before restarting and operating

your mower.

•Do not change the governor settings or

overspeed the engine. Engine damage

or personal injury may result.

•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

mounting 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 detedora-

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 stodng 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 ahot water heater,

space heater, clothes dryer, etc.

ALook for this symbol to point out

important safety precautions. It means

CAUTION!tt BECOME ALERT!!! YOUR

SAFETY IS INVOLVED.

_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.

Theseacce_;sodeswereavailablewhenthis

lawnmowerwasproduced.They are also

available at most Sears retail outlets and

service centers. Most Sears stores can also to your lawn mower.

LAWN MOWER PERFORMANCE

CLIPPING DEFLECTOR

FOR HEAH DISCHARGE LAWN MOWERS MULCHER KITS

GRASS CATCHERS _GRASS CATCHERS

FOR FOR

REAR DISCHARGE SIDE DISCHARGE

LAWN MOWERS LAWN MOWERS

order repair parts for you, when you provide

the model number of your lawn mower.

Some of these accessories may not apply

STABILIZSR

GAS CANS

LAWN MOWER MAINTENANCE

MUFFLERS

BELTS BLADES

AIR RLTERS

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. All

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

necessary to complete the assembly have

been placed in the parts bag. To ensure

safe and proper operation of your lawn

mower, all parts and hardware you as-

semble must be tightened securely. Use the

correct tools as necessary to ensure proper

tightness.

TO REMOVE LAWN MOWER FROM

CARTON

•Remove loose parts included with

mower.

•Cut down two end corners of carton and

lay end panel down fiat.

•Remove all 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 handles carefully so

as not to pinch or damage control cables.

•Raise handles until lower handle section

locks into place in mowing position.

•Remove protective padding, raise upper

handle section into place on lower

handles and tighten both handle knobs.

•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

Adjustment section of this manual.

Operator presence

controlbar

Liftup

Lower

handle

Mowing

position

TO INSTALL ATTACHMENTS

Your lawn mower was shipped ready to be

used as a mulcher.

KNOW YOUR LAWN MOWER

READ THIS OWNER'S MANUALAND SAFETY RULES BEFORE OPERATING YOUR LAWN

MOWER. Compare the illustrationswithyourlawn mower to familiarize yourselfwiththe

locationofvarious 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

Operatorpresence controlbar

Grasscatcher_

Engineoilcap

withdipstick Lawn mowerhousing

Wheel adjuster

(on each wheel)

MEETS CPSC SAFETY REQUIREMENTS

Sears rotarywalk-behind power lawn mowers conform to the safety standards of the American

National Standards Institute and the U.S. Consumer Product Safety Commission. The blade

tums when the engine is running.

Operator presence Control Bar- must he

held down to the handle tostart the engine.

Release to stop the engine.

Primer -pumps additional fuel from the

carburetor tothe cylinder for usewhen starting

acold engine.

Starter Handle -used for startingthe engine.

Theoperationofanylawnmowercanresultin

foreign objectsthrown intothe eyes, which can

resultin severe eye damage. Always wear

safety glasses or eye shields while operating

your lawn mower or performing any adjust-

ments or repairs. We recommend a wide

vision safety mask over spectacles or standard

safety glasses.

HOW TO USE YOUR LAWN MOWER

ENGINE SPEED CONTROL

The engine speed was set at the factoryfor

optimum performance. Speed is notadjust-

able.

ENGINE ZONE CONTROL

ACAUTION: Federal regulationsrequire an

engine controlto be installed on this lawn

mower in order to minimize the riskofblade

contact injury.Do not under any circumstances

attempt to defeat the functionofthe operator

control, The blade turnswhen the engine is

running.

•Your lawn mower is equipped with an

operator presance 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 cutand lowerwheels

for high cut.

•Adjust cutting heightto suit your require-

ments. Medium positionisbest for most

lawns.

•To change curlingheight, squeeze adjuster

lever toward wheel. Move wheel up or down

to suityour requirements. Be sure all wheels

are inthe same setting.

NOTE: Adjuster isproperlypositionedwhen

plate tab inserts intoholein lever.Also, 9-

positionadjusters (ifso equ_oped)allow lover

to be positionedbetween the plate tabs.

LowerWheels for High Cut

Plate Tab

Raise Wheels for Low Cut

Lever

TO A'B'ACH GRASS CATCHER

• Liftthe rear door of the lawn mowerand

place the grass catcher frame side hooks

onto the door pivot pins.

• The grass catcher is secured to the lawn

mower housingwhen the rear door is

lowered onto the grass catcher frame.

CAUTION: Do not runyour lawn mower

witli_outchppmgdeflectoror approved grass

catehar in place. Never attempt toope_ratethe

lawn mower withthe rear door removed or

propped open.

Pivot pins

TO EMPTY GRASS CATCHER

• Lift up on grass catcher using the frame

handle.

•Remove grass catcher withclippingsfrom

under lawn mower handle.

•Emptyclippingsfrom beg using bothframe

handle and bag handle.

NOTE: Do not drag the bag when emptying;

itwillcause unnecessary wear.

Bag /

handle Grasscatcher

framehandle

BEFORE STARTING ENGINE

OIL

Your lawn mower is shippedwithout oilinthe

engine.

• Be sure mower is level and area aroundoil

figisclean.

•Remove engine oilcap and fillto the full

line onthe dipstick.

•Use2Oozs.of oil. For type and grada of oil

to use, see "ENGINE" in the Maintenance

sectionofthis manual.

•Pour oilslowly. Do notover fill.

•Check oillevel before each use. Add oilif

needed. Filltofulllineon dipstick.

•To read properlevel, tighten engine oilcap

each time.

•Reinstallengine oilcap and tighten.

•Change the oil after every 25 hours of

operationor each season• You may need

tochange the oilmore often under dusty,

dirty conditions.

GAS

•Fillfuel tank. Use fresh, clean, regular

unleaded gasolinewith a minimum of87

octane. Do not mix oilwithgasoline.

Purchase fuel in quantitiesthat can be used

7 within30 days toassure fuel freshness.

WARNING: Experience indicatesthat alcohol

blanded fuels (called gasoho_or using ethanol

or methanol) can attractmoisturewhich loads

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 fuel tank, start the engine and lot it

run until fuel lines and carburetor are empty.

Use fresh fuel next season. See Storage

Instructionsfor additionalinformation. Never

use engine or carburetor cleaner products in

fuel tank or permanent damage may occur.

Engine oilcap _Gasolinefiller

TO START ENGINE

•To start a cold engine, push primer five (5)

times before t_ng to start. Use a firm push.

This step is not usually necessary when

starting an engine which has already runfor

afew minutes.

•Hold operatorpresence controlbar down to

the handle and pullstarter handle quickly.

Do not allow starter rope to snap back.

•To stop engine, release operator presence

control bar.

NOTE: In cooler weather itmay be necessary

to repeat primingsteps. In warmer weather

over I:_"ning 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

_eavingclumps of grass d,lppings. 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 cutby overlapping previouslycut

path and mow slowly.

•For better grass bagging and mostcutting

conditions, the engine speed shouldbe st

in the fast position.

• Pores inclothgrass catchers can become

tilled with dirt and dust with use and

catchers will collect loss grass. To preven

this, regularly hose catcher off with water

and let dry before using.

• Keep top of engine around starter clear an

clean ofgrass clippingsand chaff. This w1

help engine airflow and extend engine life

MULCHING MOWING TIPS

IMPORTANT: For best performance, keep

mower housing free ofbun-up grass and

trash. Clean UNDERSIDE OF MOWER

HOUSING after each use. See "Cleaning" ir

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 wi

biodegrade quicklytoprovide nutrientsfor

the lawn. Always mulch with your highest

engine (b_de) speed as thiswilt provide tt_

best recuttingactionofthe blades.

•Avoid cuttingyour lawn when it iswet. We

grass tends to form clumps and interferes

withthe mulchingaction. The best timeto

mow yourlawn isthe early afternoon. Att_

time the grass has dried and the newly cul

area will not be exposed to the direct sun.

•For best results, adjust the lawn mower

cuttingheight so that the lawn mower cuts

offonlythe top one-thirdof the grass blad_

Ifthe lawn isovergrown it will be necessar

to raise the height ofcutto reduce pushin(

effortand to keep from overloading the

engine and leaving clumpsof mulched

grass. Forextremely heavy mulching,

reducayour widthof cut, mow slowiyan_

raise the rear of the lawn mower one whec

adjuster settinghigher than the front.

• Certain types of grass and grass condition

may require that an area be mulched a

second time to completely hide the

clippings.When doing a secondcut, mow

across or perpendicular tothe firstcut pa_

•Change yourcuttingpattem from week to

week. Mow nerth to south one weekthen

change to east to west the next weak. Thi=

willhelp prevent matting and graining of th

lawn.

MAINTENANCE SCHEDULE _.,_. _._.._._ _O_._,_ ''

,sYOO

BEGu .sE.v,c SERV,CEDATES

Check for Loose Fasteners _li/

Clean/Inspect Grass Catcher

aClean Lawn Mower

_Clean Under Dnve Cover(Power-Propelled Mowers) ¥t

Check drive belt/pulleys

ER (Power-Propened Mowers) I1_

Check]Sharpen/Replace Blade I/=

LubricationChart IV/I_

Clean Battery/Recharge

IElectdc Start Mowers/II/ 1'#'4

ECheck En_lineOil Level

iNChan_e En_lineOil _112

G Clean Air Filter Ill 2

IInspectMuffler

NClean or Replace Spark Plug i,'

E ReplaceAirFilterPaperCartddge IV42

1 - Change mora olten when ope(aUng under a haa'/y load or in high ambient temperatures.

2 - Se_k:e mo_e o_ten "=_len _erating in didy o( d_=ty conditions.

3 - Replace black)s more olt en V/hen mow._ in sendy sol.

4-Charge 48 hours at et_l o( season,

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 property maintain your unit.

All adjustments in the Service and Adjustments

sectionof this manual shouldbe checked at

least once each season.

• Once a year, replace the spark plug, replace

air filterelement and check bladefor wear. A

new spark plug and clean/new air filter

element assures proper air-fuel mixture and

helpsyourengine runbetter and last longer.

•Follow the maintenance schedule in this

manual.

BEFORE EACH USE

•Check engine oillevel.

• Check forloose fasteners.

LUBRICATION

Keep unit well lubricated (See "LUBRICATION

CHART").

LUBRICATION CHART

Wheel

adjusters

Brake spring

"_ Engine oil

(_ Rear

door (_) Handle bracket

hinge mountingpin

(_) SPRAYLUBRICANT

(_) SAE30 MOTOROIL REFERTO

ENGINE - MAINTENANCESECTION.

IMPORTANT: DGnot oilorgrease plastic

wheel bearings. VL_:ouslubricantswill attract

dust and dirtthatwill shorten the lifeof the self

lubricatingbearings. Ifyou feel they mustbe

lubricated,use onlya dry,powdered graphite

type lubricantsparingly.

PRODUCT SPECIFICATIONS

MODEL NUMBER 917.388270

SERIAL NUMBER

DATE OF PURCHASE

HORSEPOWER: 5.5

GASOLINE CAPACITY/TYPE: 1.5 QUARTS

UNLEADED REGULAR

OIL TYPE (API-SF/SG/SH): SAE 30 (ABOVE 32°F)

SAE 5W-30 (BELOW 32°F)

OIL CAPACITY: 20 OZS.

SPARK PLUG(GAP: .030") CHAMPION RJ19LM OR J19LM

VALVE CLEARANCE: INTAKE: .004 - .008

EXHAUST: .004 - .008

SOLID STATE IGNITION

AIR GAP: .0125 IN.

BLADE BOLT TORQUE: 35-40 FT. LBSo

•The model and serial numbers will be found on a decal attached to the rear of the

lawn mower housing.Record both serial number and date of purchase in space

provided above.

LAWN MOWER

Always observe safety ruleswhen performing

any maintenance.

TIRES

•Keep tires free ofgasoline, oil,or insect

controlchemicals which can harm rubber.

•Avoid stumps, stones,deep ruts,sharp

objectsand other hazards that may cause

tire damage.

BLADE CARE

For best results, mower blade must be

kept sharp. Replace bent or damaged

blades.

TO REMOVE BLADE

• Disconnect spark plug wire from spark

plug and place wire where itcannot

come in contact with spark plug.

•Turn lawn mower on its side. Make sure

air filter and carburetor are up°

•Use a wood block between blade and

mower housing to prevent blade from

turning when removing blade bolt.

•Protect your hands with gloves and/or

wrap blade with heavy cloth.

•Remove blade bolt by turning counter-

clockwise.

• Remove blade and attaching hardware

(bolt, lock washer and hardened

washer).

NOTE: Remove the blade adapter and

check the key inside hub of blade adapter.

The key must be in good condition to work

properly. Replace adapter if damaged.

TO REPLACE BLADE

•Position the blade adapter on the engine

crankshaft. Be sure key in adapter and

crankshaft keyway are aligned.

• Position blade on the blade adapter

aligning the two (2) holes in the blade

with the raised lugs on the adapter.

•Be sure the trailing edge of blade

(opposite sharp edge) is up toward the

engine.

•Install the blade bolt with the lock

washer and hardened washer into blade

adapter and crankshaft.

•Use block of wood between blade and

lawn mower housing and tighten the

blade bolt, turning clockwise.

•The recommended tightening torque is

35-40 ft. Ibs.

IMPORTANT: Blade bolt is grade 8 heat

10treated"

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