Craftsman 917.388750 Manuel utilisateur

Owner's Manual

ICRAFTSMIIN"I

ROTARY LAWN MOWER

:15Horsepower

Rear Discharge

Model No.

917.388750

CAUTION:

Read and follow all

Safety Rules and Instructions

before operating this equipment

Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.

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

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

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

Assembly /Pre-Operation ...................... 5

Operation ............................................. 6-9

Maintenance Schedule ........................ 10

Maintenance .................................... 10-13

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

Service and Adjustments ................. 13-14

Storage ............................................ 15-16

Troubleshooting .............................. 16-17

Repair Parts ..................................... 34-39

Sears Service ......................... 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 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 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 used 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.

&Look for this symbol to point out

important safety precautions. It means

CAUTION!!! BECOMEALERT!!! YOUR

SAFETY IS INVOLVED.

A WARNING: 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: 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.

&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 repro-

ductive harm.

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.

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.

•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-propelledmecha-

nism or driveclutchon mowers so

equipped before startingthe 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 operat-

ing mower.

II. SLOPE OPERATION

Slopes are amajor 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 dmp-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 accidental 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.

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 service

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

MULCHER KITS

GRASS CATCHERS

FOR

SIDE DISCHARGE

LAWN MOWERS

STABILIZER

GAS CANS

LAWN MOWER MAINTENANCE

MUFFLERS

BELTS BLADES BLADE ADAPTERS

AIR FILTERS

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.

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. 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, wash-

ers, bolts, etc., necessary to complete the

assembly have been placed in the parts

bag.

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 thoroughly for additional

loose pads.

HOWTO SET UPYOUR 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 lawn mower handle can be adjusted

for your mowing comfort. Refer to "AD-

JUST HANDLE" in the Service and

Adjustments section of this manual.

Operator I:

control bar

Upper

LIFT

Mowing

position

Lower handle

Handle pin

SQ!

Handle _"

bracket

TO INSTALL A'i-FACHMENTS

Your lawn mower was shipped ready to

be used as a mulcher. To convert to

bagging, see "TO CONVERT MOWER" in

the Operation section of this manual).

KNOWYOURLAWNMOWER

READ THIS OWNER'S MANUALAND ALL 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 thismanual 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

Operator presence control bar

knob

Starter

handle Engine oil cap with dipstick

Grass

catcher

Muffler

Gasoline filler ca_

Air filter

Prim Wheel adjuster

(on each wheel)

IMPORTANT: This lawn mower is shipped WITHOUT OIL OR GASOLINE in the engine.

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.

Starter handle - used for starting the engine.

Primer -pumps additional fuel from the

carburetor to the cylinder for use when

starting a cold engine.

The operation of any lawn

mower can result in foreign

objects thrown intothe

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 standard safety

glasses or wide vision safety mask worn

over spectacles.

HOW TO USE YOUR LAWN MOWER

ENGINE SPEED

The engine speed was set at the factory

for optimum performance. Speed is not

adjustable.

ENGINE ZONE CONTROL

ACAUTION: Federal regulations require

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

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 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 into hole in lever.

Also, 9-position adjusters (if so equipped)

allow lever to be positioned between the

plate tabs.

LOWER WHEELS FOR HIGH CUT

_ Plate tab ._'t.-%F/(_'_l_

Bag

handle

RAISE WHEELS FOR LOW CUT Lever

TO CONVERT MOWER

Your lawn mower was shippedreadytobe

usedasa mulcher. Toconvertto bagging:

•Liftreardoorofthe lawnmowerand place

the grasscatcher frame hooksonto the

door pivot pins.

• To convert to mulching operation, remove

grass catcher and close rear door.

ACAUTION: Do not run your lawn mower

without rear door closed, clipping

deflector or approved grass catcher in

place. Never attempt to operate the lawn

mower with the rear door removed or

propped open.

Pivot pins Rear Grass

catcher

handle

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

catcher

frame

handle

BEFORE STARTINGENGINE

ADD OIL

Your lawnmower is shipped without oil in

the engine. For type and grade of oil to

use, see "ENGINE" in the Maintenance

section of this manual.

CAUTION: DO NOT overfill engine with

oil, or it will smoke on startup.

1. Be sure lawnmower is level and area

around oil fill is clean.

2. Remove oil dipstick from oil fill spout.

Make sure that rim of spout is clean.

3. You receive a container of oil with the

unit. Slowly pour 3/4 (15 oz.) of the oil

from the container down the oil fill

spout into the engine.

4. Wait one minute to allow oil to settle.

Insert and tighten dipstick, then

remove it to check oil level.

5. Continue adding small amounts of oil

and rechecking the dipstick until it

reads full. DO NOT overfill, or engine

will smoke on startup.

6. Always be sure to retighten oil dipstick

before starting engine.

•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 to bottom of tank filler

neck. Do not overfill. 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.

CAUTION: Wipe off any spilled oil or

fuel. Do not store, spill or use gasoline

near an open flame.

ACAUTION: 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.

oil cap

filler cap

(Discard

debds plug

inside)

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

•-ro stop engine, release operator

presence control bar.

NOTE: In cooler weather it may be

necessary to repeat primingsteps. In

warmer weather over priming may cause

flooding and engine will not start. Ifyou

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.

• 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 a rear discharge mower, mow in

aclockwise direction with a small

overlap to collect the clippings on the

next pass.

• 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

|MPORTAN'lr: For best perfon'nanoe, keep

mower housing free of built-up grass and

trash. See "CLEANING" in the Maintenance

section of this manual.

•The special mulching blade will recur 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. A!so, 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 curling your lawn when it is weL Wet

grass tends to form clumps and interferes

with the mulching action. The best time to

mow your lawn is the early altemoon. 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. Ifthe lawn is overgrown itwill 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 grass, reduce your width of cut by

overlapping previously cut path and mow

slowly.

MAXI_

• Certain types of grass and grass condi-

tions 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.

.A,N NANC SO, U

AS YOU COMPLETE

REGU ..SE.V,CE SERV'OE

iii i i //m

Check forLoose Fasteners _M/

Clean/Inspect Grass Catcher

(ff Equipped) _ _ _,_

MClean Lawn Mower

O Clean Under Ddve Cover

W Power-Propelled Mowers) ¥/

Check drive belt/pulleys

Power-Propelled Mowers) I/

RCheck/Sharpen/Replace Blade ¥/$

LubricationChart _ _/'

Clean Battery/Recharge

ElectricStart Mowers1I_ 1_4

ECheck EnQineOil Level

NChange EngineOil b/!,=

GClean Air Filter I_ 2

I Inspect Muffler

N IClean or Replace Spark Plug V'

E!ReplaceAir Filter Paper Cartridge I/2

1 * Change more often when operating under a heavy load or in high ambient temperatures.

2 - Service more often when operating in dirty ordusty condltior_.

3 - Replace blades more ogen when mowing in sandy soil.

4- Charge 48 hours at end of 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 properly maintain your unit.

All adjustments in the Service and Adjust-

ments 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 assure proper

air-fuel mixture and help your engine run

better and last longer.

• Follow the maintenance schedule in this

LUBRICATION CHART

manual.

BEFORE EACH USE

• Check engine oil level.

• Check for loose fasteners.

Wheel

adjuster (on

each wheel)

ne oil

Rear door

hinge

(_) Handle bracket mounting pins

(_) Spray lubricant

(_) See "ENGINE" in Maintenance section.

LUBRICATION

Keep unitwell lubricated (See "LUBRICATION

CHART").

IMPORTANT: Do not oil or grease

plastic wheel bearings. Viscous

lubricants wilt attract dust and dirt that

will shorten the life of the self-lubricat-

ing bearings. If you feel they must be

lubricated, use only adry, powdered

graphite type lubricant sparingly.

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