Craftsman 917.377790 Bedienungsanleitung

Owner's Manual

ICRAFTSMAN"I

ROTARY LAWN MOWER

5.5 Horsepower

Power-Propelled

21" Multi-Cut

Model No.

917.377790

CAUTION:

Read and follow all

Safety Rulesand Instructions

before operatingthis equipment

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

Visit ourCraftsman web,_te:www,sears.¢omlcraftsman

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

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

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

Operation ......................................... 6-11

Maintenance Schedule ...................... 12

Maintenance ................................. 12-15

Product Specifications ........................ 13

Service and Adjustments .............. 15-16

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

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

Repair Parts .................................. 37-45

Sears Service ...................... Back Cover

LIM ITED 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 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, Roebuck and 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.

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: 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.

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,

ACAUTION: 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-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.

III. 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 sew 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 restading.

• 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 sewicing 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

CUPPING

DEFLECTORS

FOR

REAR DISCHARGE

LAWN MOWERS

GRASS CATCHERS

FOR

REAR DISCHARGE

LAWNMOWERS GRASS CATCHERS

FOR

SIDE DISCHARGE

LAWN MOWERS

LAWN MOWER MAINTENANCE

MUFFLERS

BELTS et.J_ES BLADE ADAPTERS

AIR RLTERS

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 engine.

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 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.

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 up-

per 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.

Handle

bracket

Handle pin

TO ASSEMBLE GRASS CATCHER

1. Put grass catcher frame into grass bag

with rigid part of bag on the bottom.

Make sure the frame handle is outside

of the bag top.

2. Slip vinyl bindings over frame.

NOTE: If vinyl bindings are too stiff, hold

them in warm water for a few minutes. If

bag gets wet, let it dry before using.

Catcher

frame

handle

Operator I:

control bar

Upper

LIFT

Ut "':I Frame

opening

Mowing

position

Lower handle

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 MOWER

READ THIS OWNER'S MANUAL AND 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 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, IG_EPHANDS

OR WARNING ON OFF AND FEET AWAY

Throttle/

engine

Operator presence control bar

control

Starter

handle

Grass

.Drive control lever

Handle knob

Singlepoint height

.adjuster handle

cap

irfilter

lug

Engine oil cap with dipstick

Mulcher door Housing

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.

Operator presence control bar -must

be held down to the handle to start the

blade. Release to stop the blade.

Starter handle - used for starting the

engine.

Throttle/engine control - used for starting

and stopping the engine; and allows you

to select either FAST or SLOW engine

speed.

Mulcher door - allows conversion to

discharging or bagging operation. 6

Mulcher plug - located at the rear

discharge opening, Must be removed

when converting to bagging opsration,

Single point height adjuster- used to

adjust cutting height of lawn mower.

Drive control lever - used to engage

power-propelled forward motion of lawn

mower,

Blade/brake control -used to engage

the blade after the engine is started,

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 recom-

mend standard safety glasses or a wide

vision safety mask worn over spectacles.

HOW TO USE YOUR LAWN MOWER

THROTTLF.JENGINE CONTROL

The engine is controlled by a throttle

control located on the side of the upper

handle. CHOKE position is for starting a

cold engine; FAST position is for starting a

warm engine, normal cutting, trimming and

better grass bagging; SLOW position is for

light cutting, trimming and fuel economy,

STOP position is for stopping the engine.

CHOKE ,Pep ,_b r_

_. FAST SLOWkJ

I_1 .'" "'--.'..,STOP

t t •,* IIi. I

2A"4_. _lf ,,st

BLADE CONTROL

/I, CAUTION: When the blade control is

engaged, the blade turns. When blade

control is disengaged, the blade stops.

•Your lawn mower has ablade/Drake

clutch fastened to the engine crank-

shaft, which starts or stops the blade.

To start the blade, hold the operator

presence control bar down to the

handle and push the blade/Drake

control lever forward until it latches. To

stop the blade, release the operator

presence control bar.

Do not start the blade in deep, uncut

grass. Move lawn mower out of uncut

grass before starting blade.

_CAUTION: Federal regulations require

this blade/Drake control to minimize the

risk of blade contact injury. Do not under

any circumstances attempt to defeat the

function of this control.

ENGAGE

BLADE

control bar Blade/brake

control lever

BLADE DI_

ENGAGED 7

DRIVE CONTROL

•Self-propelling is controlled by holding

the operator presence control bar down

to the handle and pulling the drive

control lever rearward to the handle.

The farther toward the handle the lever

is pulled, the faster the unit will travel.

•Forward motion will stop when either

the operator presence control bar or

drive control lever are released. To

stop forward motion without stopping

blade, release the drive control lever

only. Hold operator presence control

bar down against handle to continue

mowing without self-propelling.

NOTE: If after releasing the drive control

the mower will not roll backwards, push

the mower forward slightly to disengage

drive wheels.

bresence control bar

Adjustment ENGAGE DRIVE

button (on DRIVE CONTROL

underside) CONTROL DISENGAGED

DRIVE CONTROL ADJUSTMENT

Over time, the drive control system may

become "loose", resulting in decreased

speed. There is a button on the under-

side of the drive control housing to

increase tension on the drive cable.

Proceed as follows:

1. Turn unit off and disconnect spark

plug wire from spark plug.

2. Pull drive control lever ALL THE WAY

BACK to the handle.

3. Push button on underside of drive

control. While holding button in,

return drive control lever to disen-

gaged position ALL THE WAY

FORWARD.

NOTE: Do not ratchet the adjustment.

4. Release button.

5. Operate mower to test drive speed. If

condition becomes worse after the

above steps (forward speed has

become slower), your system was not

"loose". Repeating the above steps

will return your unit to the proper

adjustment and speed.

6. If condition fails to improve after the

above steps (forward speed remains

the same), your drive belt is wom and

should be replaced.

TO ADJUST CUTTING 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

Single point

height adjl

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

side 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.

_-CAUTION: Do not run your lawn

mower without mulcher plate or plug,

clipping deflector or approved grass

catcher in place. Never attempt to operate

the lawn mower with the rear door

removed or propped open.

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

frame

handle

Bag

handle

TO CONVERT MOWER

Your lawn mower was shipped ready to

be used as amulcher. 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 door as shown.

•Mower is now ready for discharging

operation.

• To convert to mulching or bagging

operation, discharge deflector must be

removed and mulcher door closed.

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.

_CAUTION: Do not run your lawn

mower without mulcher plug or approved

grass catcher in place. Never attempt to

operate the lawn mower with the rear

door removed or propped open.

Discharge

deflector

mulcherdoor

Mulcher plu

BEFORE STARTING ENGINE

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 ovedill 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 the entire container

down the oil fill spout into the engine.

4. Wait one minute to allow oil to settle.

Use guage on oil fill cap/dipstick for

checking level. Insert dipstick into the

tube and rest the oil fill cap on the

tube. DO NOT thread the cap into the

tube when taking reading.

5. 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.

CAUTION: 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

Oil filler cap/dipstick

Gasoline

filler 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. Be sure fuel valve is in the ON

position.

2. To start a cold engine, move handle

mounted throttle/choke control lever to

CHOKE position.

3. Pull starter handle quickly. Do not

allow starter rope to snap back.

4. Slowly move throttle control lever to

FAST position after engine starts.

•To start a warm engine, move throttle

control lever to FAST position, then

follow steps above.

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