Craftsman 917.387205 User Manual

Owner's Manual

CRAFTSMAN+

3.5 HORSEPOWER
20" SIDE DISCHARGE

ROTARY LAWN MOWER

Model No.

917.387205

• Safety

• Assembly

• Operatio n

• Maintenance

• Espa_ol

• Repair Parts

CAUTION:

Read and follow all

Safety Rules and Instruct_o£sll
before operating this equipment

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

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

Warranty 2 Product Specifications 9

Safety Rules 2 Service and Adjustments 11

Assembly 4 Storage 12

Operation 5 Troubleshooting 13
Maintenance Schedule 8 Repair Parts 30

Maintenance 8 Parts Ordering BackCover

LIMITED ONE YEAR WARRANTY ON CRAFTSMAN POWER MOWER

For one year 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, ROEBUCKAND CO., D/817 WA, HOFFMAN ESTATES, ILLINOI S 60179

k

Safety standards require operator pres-

ence controls to minimize the risk of injury.
Your unit is equipped with such 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

propedy. 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 tums 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.

2

• Dross 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 oqly 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--coverod 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 if you

hit a foreign object. Follow the procedure
outlined above, then repair any damage

before restarting and operating you
mower.

• Do not change the govemor settings or

overspeed the engine. Engine damage or
personal injury may result.

• Do not operate your mower if itvibrates

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. Usa 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.

ACAUTION: 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.

3

These accessories were available when this lawn mower was produced. They are also
available at most Sears retail outlets and service centers. Most Sears stores can also order

rel:;air pads 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

FOR

REAR DISCHARGE

GRASS CATCHERS

LAWN MOWERS

LAWN MOWER MAINTENANCE

MUFFLERS

BELTS BLADES

BLADE ADAPTERS

Read these instructionsand this manual inits
enSrety 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 leftunassernbled

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

• Remove loose pads included with mower.

• Cut down two end comers of carton end lay

end panel down flaL

• Remove all packrng materials except

padding between upper and lower handle
end padding holding operator presence

controlbar to upper handle,

MULCHER KITS

SIDE DISCHARGE

GRASS CATCHERS

LAWN MOWERS

AIR FILTERS

FOR

WHEELS

STABILIZER

GAS CANS

SPARK PLUGS

ENGINE OIL

• Rolllawnmoweroutofcartonandcheck

cartonthorouglyforadditionallooseparts.

HOW TO SET UP YOUR LAWN
MOWER

TO UNFOLD HANDLE
IMPORTANT: Unfold handle carefullyso as

not to pinch or damage contrel cables.

• Raise handles untillower handle section

locks into-place in mowing _.

• Remove protective padding, raise upper

handle section intoplace on lower handle

end 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 comforL Refer to "Adjust
Handle" in the Service end Adjustment

section of this manual.

4

OF

Upper handle

Lift up

Mowing
position

Lower
handle

KNOW YOUR LAWN MOWER

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

MOWER. Compare the illustrationswithyour lawn mower to familiarize yourself with the

location ofvarious controls andadiustments. Save this manual for future reference.

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

Leam and understand their meaning.

CAUTI(_N ENGINE ENGINE FAST SLOW CHOKE FUEL OIL DANGER.KEEPHANDS

CR WARNING ON OFF AND FEETAWAY

Operator presence control bar

Engine zone control
cable

Handle knob

Gasoline fillercap

Engine oil
filler plug

Air filter

Discharge guard

Wheel adjuster
(on each wheel)

vlEETS CPSC SAFETY REQUIREMENTS

;ears rotary walk-behind power lawn mowers conform to the safety standards of the
\merican National Standards Institute and the U.S. Consumer Product Safety Commis-

;ion. The blade turns when the engine is running.
)perator presence control bar- must be

_elddown to the handle to start the engine.
lelease to stop the engine.

Primer - pumps additional fuel from the

carburetor tothe cylinder for use when starting
a cold engine.

Starter handle - used for starting the engine.

5

The operation of any lawn mower can result in
foreign objects thrown into the 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

The engine speed was sat at the factory for

optimum performance. Speed is not adjust-

able.

ENGINE ZONE CONTROL :

ACAUTION: Federal regulations require an
engine controlto 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 CU'I'rlNG HEIGHT

• Raise wheels for low cut and lower wheeis
for high cut.

• Adjust cutting height to suit your require-
ments. Medium pes'_on is best for most

lawns.

• To change cutting height, squeeze adjuster

lever toward wheel. Move wheel up or
down to suit your requirements. Be sure all

wheels are inthe 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.

Raise wheels for lowcut

BEFORE STARTING ENGINE
OIL

Your lawn mower is shipped without oil in

the engine.

• Be sure mower is level and area around
oil fill is clean.

• Remove engine oil cap and fill to the full .........

line on the dipstick.

• Use 20 ozs. of oil. For type and grade

of oil to use, see "ENGINE" in Mainte-
nance section of this manual.

• Pour oil slowly. Do not 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.

• 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.

GAS

= 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.

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 fuel tank, start the

engine and let it run until 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 fuel tank

or permanent damage may occur.

Lower wheels for high cut

Plate tab

Gasoline filler cap

Oil filler plug

6

TO START ENGINE

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

• 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 certain conditions, such as very

tal} 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.

• For side discharge lawn mowers, cutting
in a counter-clockwise direction, starting

at the outside of the area to be cut,
spreads grass clippings more evenly

and puts less load on the engine. To
keep clippings off of walkways, flower
beds, etc., make the first cuts in a

clockwise direction.

• 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.

7

FI , O,TE

AS YOU COMPLETE

Check for Loose Fasteners _f if
Clean/Inspect Grass Catcher

(If Equipped)

VICED_-_ATES

M Clean Lawn Mower

O Clean Under Drive Cover,(Power-Propellnd Mowers)

Check drive belt/pulleys

RE (Power-Propelled Mowers)

Check/Sharpen/Replace Blade

Lubrication Chart

(Electric Start Mowers !

E Clean Battery/Recharge

Ched_ En_line Oil Level

N ChangeEngineOil

I/

i/

v' =/
=/ i/,

t/l,_

G Clean Air FiNer

I Inspect Muffler

N oaan or Replace Spark Plug

E Replace Air Filter Paper Cartddge

1- Change I_Xe often when op_aling undera heaW- loador in higharnbientte_oeratums.

2 - SerAcerr_e often when operat_tgin dirlyor dusly oolldi_ons.

3. Replacebladea more oRenwh_ mo_ng in undy zoiL

4. Chazge48 hou_ atond of season.

I/=

GENERAL RECOMMENDATIONS LUBRICATION CHART

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
Adjustments 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 assures
proper air-fuel mixture and helps your

engine run better and last longer.

• Follow the maintenance schedule in this
manual.

BEFORE EACH USE

• Check engine oil level.

• Check for loose fasteners.

LUBRICATION
Keep unit well lubricated (See "LUBRICA-

TION CHART"). -

_ Spray lubdcamRefer to MAINTENANCE "ENGINE"

IMPORTANT: Do not oil or grease plastic

wheel bearings. Viscous lubricants will
attract dust and dirt that will shorten the life

of the serf-lubricating bearings. If you feel

they must be lubricated, use only a dry,

powered graphite type lubricant sparingly.

Wheel
adjuster (_ Engine oil

(_) Discharge bracket

(_ Handle bracket

mountingpin

section.

(_ Brake

guard

hinge pin

spdng

8

PRODUCT SPECIFICATIONS

MODEL NUMBER 917.387205

;ERIAL NUMBER

DATE OF PURCHASE

HORSEPOWER: 3.5
DISPLACEMENT: 9.05CU. IN.

GASOLINE CAPACITY/TYPE: 1.25 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. LBS.

• 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 • Remove blade and attaching hardware

Always observe safety rules when

performing any maintenance.

TIRES

• Keep tires free of gasoline, oil, or insect
control chemicals which can harm

rubber.

• Avoid stumps, stones, deep ruts, sharp

objects and 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 it cannot
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.

(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

9 heat treated.

TOSHARPENBLADE

NOTE: We do not recommend sharpening
blade - but if you do, be sure the blade is
balanced.

Care should be taken to keep the blade
balanced. An unbalanced blade will cause

eventual damage to lawn mower or
engine.

• The blade can be sharpened with a file
or on a grinding wheel. Do not attempt

to sharpen while on the mower.

• To check blade balance, drive a nail into
a beam or wall. Leave about one inch of

the straight nail exposed. Place center
hole of blade over the head of the nail.

tf blade is balanced, it should remain in

a hodzontal position. If either end of the
blade moves downward, sharpen the
heavy end until the blade is balanced.•

The recommended tightening torque is
35-40 ft. Ibs.

Blade Crankshaft
adapter_., keyway

Key

Crank-
shaft

Blade

bolt

Lock Blade
washer edge adapter

Hardened
washer

SAEVISCOSITY GRADES

NOTE: Although multi-viscosity oils (5W30,

10W30 etc.) improve starting in cold weather,

these multi-viscosityoils win result in increased
oilconsumption when used above 32°F.
Check your engine oillevel more frequently to

avoid possible engine damage from running
low on oil.

Change the oilafter even/25 hours of
operation or at least once a year ifthe lawn
mower is not used for 25 hours in one year.

Check the crankcase oil level before starting
the engine and after each five (5) hours of
continuous use. T'_Jhten oil plug securely each
time you check the oil level.

TO CHANGE ENGINE OIL

• Disconnect spark plug wire from spark plug
and place wire where itcannot come in
contact with spark plug.

• Be sure lawn mower is on level surface.

• Oil will drain more freely when warm.

• Catch oil in a suitable container.

• Remove bottom oil drain plug.

• After oil has drained completely, replace oil

drain plug and tighten securely,

• Refill engine with oil. Pour slowly. Do not
over fill.

• Fillto top of slot inside of filler hole.

• Reconnect spark plug wire to spark plug.

GRASS CATCHER

(If purchased as an accesssory)

• The grass catcher may be hosed with
water, but must be dry when used.

• Check your grass catcher often for

damage or deterioration. Through
normal use it will wear. If catcher needs

replacing, replace only with a manufac-
turer approved replacement catcher.

Give the lawn mower model number
when ordering.

ENGINE
LUBRICATION

Use only high quality detergent oil rated with

API service classif'_,ationSF, SG or SH.
Select the oil's SAE viscosity grade according

to your expected operating terr_erature.

Drain plug

AIR RLTER

Your engine will not run properly and may
be damaged by using a dirty air filter.

Replace the air filter every year, more

often if you mow in very dusty, dirty
conditions. Do not wash air filter.

TO CLEAN AIR FILTER

• Remove the air filter by tuming counter-

clockwise to the stop and pull away from
collar.

• Remove filter from inside of cover.

• Clean the inside of the cover and the collar

10

to remove any dirtaccumulation.

• Insert new filter into cover.

• Put air filter cover and filter into collar

aligning the tab with the slot.

• Push in on cover and turn clockv_se to
tighten.

Collar

Turn

counter-

remove

Slot

Air filter

Tab

Air filter cover to tighten

MUFFLER

Inspect and replace corroded muffler as it

could create a fire hazard and/or damage.

SPARK PLUG
Change your spark plug each year to make

your engine start easier and runbetter. Set
spark plug gap at .030 inch.

clockwise

CLEANING
IMPORTANT: For best performance, keep

mower housing free of built-up grass and

trash. Clean the underside of your mower after

each use.

ACAUTION: Disconnect spark plug wire from
spark plug and place wire where it cannot

come in contact with the spark plug.

• Turn lawn mower on its side. Make sure air
filter and carburetor are up. Clean the

underside of your lawn mower by scraping
to remove build-up of grass and trash.

• Clean engine often to keep trash from
accumulating. A clogged engine runs hotter

and shortens engine life.

• Keep finished surfaces and wheels free of

all gasoline, oil,etc.

• We do not recommend using a garden
hose to clean lawn mower unless the

electrical system, muffler, air filter and
carburetor are covered to keep water out.
Water in engine can result in shortened

engine life.

ACAUTION: BEFORE PERFORMINGANY
SERVICE OR ADJUSTMENTS:

• Release control bar and stop engine..

• Make sure the blade and all moving parts
have completely stopped.

• Disconnect spark plug wire from spark plug
and place where it cannot come in contact

with plug.

LAWN MOWER

TO ADJUST cu'n'ING HEIGHT

See 'qO ADJUST CUI-I-ING HEIGHT" in the
Operation section of this manual.

REAR DEFLECTOR
The rear deflector, attached between the rear

wheels of your mower, is provided to minimize
the possibility that objects will be thrown out of

the rear of the mower into the operator

mowing position. If the deflector becomes
damaged, it should be replaced.

DISCHARGE GUARD

The d=scharge guard attached to the

discharge opening of your lawn mower, is
provided to prevent the possibility of injury

resulting from objects being thrown out of the
discharge opening into the operator mowing

pos_ion. Ifthe discharge guard becomes
damaged, itshould be replaced.

TO ADJUST HANDLE

Your lawn mower handle can be raised or
lowered for your mowincl comfort. Four

(4) positions are available: high, medium
high, medium low and low. Handles are

shipped mounted in the medium low
position.

• To change from medium low to medium
high position, the upper and lower

handle sections will have to be turned

over.

• Remove the cat_le clips.

• Remove the controls and operator
presence control bar from the upper

handle.

• Remove the starter rope guide from the
upper handle.

• Remove hairpin cotters.

• Disconnect the lower handle from the

handle brackets.

• Turn the handle over and reassemble
the hairpin cotters that have been

removed.

• Reassemble the starter rope guide.

• Reassemble the controls and the

operator presence control bar to the

upper handle.

&CAUTION: The operator presence
control bar must pivot freely to permit

blade/brake engagement when control bar
is released. Do not overtighten the

fasteners holding the controls to the upper

handle.

11

• To change from medium low to high

position only the upper handle section
will have to be turned over.

• To change from medium low to low
position, only the lower handle section

will have to be turned over.

Shipping Position

_Medium

low

Medium

High Low

Lower handle

Handle

bracket

Squeeze to

remove

ENGINE

CARBURETOR
Your carburetor has a non-adjustable fixed

main jet for mixture control. Ifyour engine

does not operate properly due to suspected
carburetor problems, take your lawn mower to

an authorized service center for repair and
adjustment.

IMPORTANT: Never tamper with the
engine governor, which is factory set for

proper engine speed. Overspeeding the
engine above the factory high speed
setting can be dangerous, if you think the

engine-governed high speed needs

a_ljusting, contact your nearest AUTHO-

RIZED service center, which has proper
equipment and experience to make any
necessary adjustments.

ENGINE SPEED

The engine speed has been factory set. Do

not attempt to increase engine speed as it
may result in personal injury. If you believe the
engine is runningtoo fast ortoo slow, take

your lawn mower to an authorized service
center for repair and adjustment.

Mountin_O

Hairpin clip pin

Immediately prepare your lawn mower for

storage at the end of the season or ifthe unit
will not be used for 30 days or more.

LAWN MOWER

When lawn mower is to be stored for a period

oftime, dean itthoroughly, remove all dirt,
grease, leaves, etc. Store in a clean, dry area.

• Clean entire lawn mower (See "CLEAN-
ING" in the Maintenance section of this

manual).

• Lubricate as shown in the Maintenance
section of this manual.

• Be sure that all nuts, belts, screws, and pins
are securely fastened. Inspect moving

parts for damage, breakage and wear.

Replace if necessary.

• Touch up all rusted or chipped paint

surfaces; sandT_jhtly before painting.

HANDLE
You can fold your lawn mower handle for

storage.

• Squeeze the bottom ends ofthe lower
handle toward each other untilthe lower

handle clears the handle bracket, then
move handle forward.

• Loosen upper handle mounting belts
enough to allow upper handle to be folded

back.

IMPORTANT: When folding the handle for
storage or transportation, be sure to fold the

handle as shown or you may damage the
controlcables.

• When setting upyour handle from the
storage position, the lower handle will
automatically lock intothe mowing position.

Squeeze tofold

1;

Hairpin cotter

I pin

Operator presence control bar

Upper handle _

Fold forward _ K--

'_,;¢_ Mowing

for storage _ _

Lower handle

Fold
backward

position

ENGINE

FUEL SYSTEM
IMPORTANT: It is important to prevent

gum deposits from forming in essential fuel
system parts such as carburetor, fuel filter,

fuel hose, or tank during storage. Also,
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.

• Drain the fuel tank.

• Start the engine and let it run until the fuel
lines and carburetor are empty.

• Never use engine or carburetor cleaner
products in the fuel tank or permanent
damage may occur.

• Use fresh fuel next season.

NOTE: Fuel stabilizer is an acceptable

alternative in minimizing the formation of fuel
gum deposits during storage. Add stabilizer to

gasoline in fuel tank or storage container.

Always follow the mix ratio found on stabilizer
TROUBLESHOOTING CHART

container. Run engine at least 10 minutes
after adding stabilizer to allow the stabilizer to

roach the carburetor. Do not drain the gas
tank and carburetor ifusing fuel stabilizer.

ENGINE OIL

Drain oil (w'rthengine warm) and replace with

clean engine oil. (See "ENGINE" in the

Maintenance section ofthis manual).

CYUNDER

• Removesparkplug.

• Pour one ounce(29 ml) of oilthroughspark

plugholeintocylinder.

• Pullstarterhandleslowlya few timesto

:d'_ributeoil.

• Replacewithnewsparkplug.
OTHER

• Do not store gasoline from one season to
another.

• Replace your gasoline can if your can starts
to rust. Rust and/or dirt in your gasoline will
cause problems.

• If possible, store your unit indoors and cover

it to give protection from dust and dirL

• Cover your unit with a suitable protective

cover that does not rotaln mokture. Do not
use plastic. Plastic cannot breathe which

allows condensation to form and will cause

your unit to rust.

IMPORTANT: Never cover mower while
engine and exhaust areas are stillwarm.

ACAUTION: Never storo the lawn mower
with gasoline in the tank inside a building

where fumes may reach an open flame or
spark. Allow the engine to cool before storing

in any enclosure.

PROBLEM

Does n_stad

CAUSE

• Dirty air filter.

• Out of fuel,

• Stale fuel.

• Water in fuel.

• Spark plug wire is

disconnected.

• Bad spark plug.

• Loose blade or broken blade

adapter.

• Control bar in released

position.

• Control bar defective.

13

CORRECTION

• Clean/replace air filter.

• Fillfuel tank.

• Drain tank and refillwith
flash clean fuel.

• Drain fuel tank and

carburetor and refilltank
with fresh gasoline.

• Connect wire to plug.

• Replace spark plug.

• lighten blade boltor
replace blade adapter.

• Depress control bar to

handle.

• Replace control bar.

TROUBLESHOOTING CHART

PROBLEM

Loss of power

Poor cut- uneven

CAUSE

• Rear of lawn mower housing

or cutting blade dragging

in heavy grass.

• Cuttingtoo much grass.

• Dirty air filter.

• Buildup of grass, leaves,

and trash under mower.

• Too much oilin engine.

• Walking speed too fast

•Wom, bent or loose blade.

• Wheel heights uneven.

• Buildup of grass, leaves

and trash under mower.

CORRECTION

• Set to =Higher Cut"
position.

• Set to"Higher Cut"
position.

• Clean/replace air filter.

• Clean underside of mower

housing.

• Checkoil level.

• Cut at slower walking

speed.

• Replace blade. 13ghten

blade belt.

• Set all wheels at same

height

• Clean underside of
mower housing.

Excessive

vibration

Starter rope hard
to pull

Grass catcher
not filling (if so

equipped)

Hard to push

• Wom, bent or loose blade.

• Bent engine crankshaft.

• Engine flywheel brake is on
when control bar is released.

• Bent engine crankshaft.

• Blade adapter broken.

• Blade dragging in grass.

• Cuffing height too low.

• Lift on blade worn off.

• Catcher not venting air.

• Grass is too high or wheel
height is too low.

• Rear of lawn mower

housing or blade dragging
in grass.

• Grass catcher too full.

• Handle height position not
right for you.

• Replace blade. Fighten
blade belt.

• Contact an authorized
service center.

• Depress control bar to
upper handle before

pulling starter rope.

• Contact an authorized

service center.

• Replace blade adapter.

• Move lawn mower to cut

grass orto hard surface
to start engine.

• Raise cutting height.

• Replace blade.

• Clean grass catcher.

• Raise cutting height.

• Raise rear of lawn mower
housing one (1) set'dng

higher.

• Empty grass catcher.

• Adjust handle height to

suit.

14

29

3O

l

i-

n- .
<0

nz

,>i,,d

_z

xxx x xoxx x X

31

.?,RAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 143.993512

O-370K

370C

400

182 ,

13o

185

135

120

277_

12O

110_

101

46

178

72

32

CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 143.993512

KEY PART

NO. NO. DESCRIPTION

1 37280

2 26727
6 33734

7 36557

12 36775

12A 36558
12B 36694

14 28277
15 30689
16 34839A
17 31335.
18 651018

19 36281
20 32600
30 36793
40 35544A

35545A
35546

41 35541

35542
35543

42 35547A

35548A
36549

43 20381

45 36777

46 32610A
48 27241
50 37032
52 29914
69 35261
70 32612C

72 36083
75 27897
80 30574A
81 30590A

82 30591

83 30588A
86 653488
89 611004
90 611112
92 650815
83 660816

100 34443B
101 610118

103 681007
110 37047

Cylinder (Incl. 2,20 & 119 37028

150) 120 36825

Dowel Pin 125 37288

Breather Element
Breather Ass'y, (Incl. 6 & 126 37289

12A)
Breather Tube 130 6021A

Breather Cover & Tube 135 35395
(Incl. 12B)

Breather Tube Elbew 150 31672
Washer 151 31673

Governor Rod (Incl. 14) 151A 40017
GovernorLever 169 36783

GovernorLever Clamp 172 36784
Screw, TorxT-15. 8-32 x 174 30200

19/34" 178 29752
Extension Spring

Oil Seal 182 6201
Crenkshaft 184 26756

Piston,Pin & Ring Set

(Std.) 185 36785
Piston, Pin & Ring Set 186 32653

(.010" OS) 189 650839
Piston.Pin & Ring Set 191 36559A

(.020" OS)
Piston& Pie Ass'y. (Std.) 195 610973
(Incl. 43) 207 34336
Piston& Pin Ass'y. (.010 • 216 33086
OS) (Incl. 43) 223 650451
Piston& Pin Ass'y. (.020" 224 36786
OS) (Incl. 43) 238 650932
Ring Set (Std.) 239 34338
Ring Sat (.010" OS) 241 35797

RingSat (.020 OS) 245 35066
PistonPin Retaining 250 35065
Ring 260 36834

Connecting Rod Ass'y. 261 30200

(Incl. 46} 262 650831
ConnectingRod Bolt 275 36790A

Valve Ufter 277 650988

Camshaft (NCR) 285 35000A
Oil Pump Ass'y. 287 650926

* Mounting Flange Gasket 290 34357

MountingFlange (Incl. 292 26460
72 thru83) 300 35586
Oil Drain Plug

Oil Seal 301 36246
Governor Shaft 311 27625

Washer 313 34080

Governor Gear Ass'y. 370A 36261
(Incl. 81) 370C 37199

Governor Spool 3701( 36695
Screw, 1/4-20 x 1-1/4" 380 640174

Flywheel Key 390 590737
Flywheel 400 37029A

BellevilleWasher
Fl'jwheeI Nut 416 36085
Solid State Ignition

Spark Plug Cover 417 650821

Screw. Torx T-15, 10-24

x 15/16" 900
GroundWire

KEY PART
NO; NO,

900

DESCRIPTION

* CylinderHead Gasket

CylinderHead
ExhaustValve (Std.)

(Incl. 151)
Intake Valve (Std.) (Incl.

151)

Screw, 5/16-18 x 1-1/2"
ResistorSpark Plug

(RJ19LM)

Valve Spring
Valve SpringCap

Intake Valve Seal

* Valve Cover Gasket

Valve Cover

Screw, 10-24 x 9/16"
Nut & LockWasher, 1/4-
28
Screw. I/4-28 x7/8"

• Carburetor To Intake
Pipe Gasket

Intake Pipe
GovernorLir_k

Screw, 114-20x 3/8"
S.E. Brake Bracket (Incl.

195)

Terminal
ThrottleLink

R.P.M. AdjustingLever

Screw, 1/4-20 x 1"

* Intake Pipe Gasket

Screw, 10-32 x 49164"

* Air Cleaner Gasket

AirCteaner Collar
AirCleaner Filter

AirCleaner Cover
BlowerHousing

Screw, 10-24 x 9/16"
Screw, 1/4-20 x 1/2"
Muffler
Screw, 1/4-20 x 2-5/16"

StarterCap
Screw, 8-32 x 21164'
Fuel Line
Fuel Line Clamp

FuelTank (Incl.292 &

301)

FuelCap
Oil FillPlug

Spacer

LubricationDecal
Pdmer Decal

Starter Decat
Carburetor (Incl. 184)

Rewind Starter
Gasket Set (Incl.Items

Marked ")
Spark ArrestorKit(IncL

417)(Optional)
Screw, 10-32 x 1/2"

(Optional)
Replacement Engine

750830, orderfrom 71-

999

Replacement Short Block
750829A,

orderfrom 71-999
RPM High2900 to 3200

NOTE: Allcomponent dimensionsgiven in U.S. inches

331 inch = 25.4 mm

CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 143.993512

KEY PART
NO. NO.

---- 640174

1 631615
2 631767

4 631184
5 631183
6 640070

7 650506
16 631807
17 651025
18 630766

20 640018

20A 640053

25 631867
27 631024
28 632O19

29 631028
30 631021
31 631022
35 36045A
36 640080

36A 632766

37 632547

40 640175
44 27110A
47 630748

48 631027

48A 631027

60 632760

DESCRIPTION

Carburetor (Incl. 184 of Engine Parts List)

Throttle Shaft & Lever Assembly
Throttlo ReturnSpring

* Dust Seal Washer

• Dust Seal ('Throttle)
Throttle Shutter

• Shutter Screw

Fuel Fitting

Throttle CrackScrew/Idle Speed Screw
Tension Spring

Idle RestrictorScrew
Idle RestrlotorScrew Cap

Float Bowl

• Float Shaft

Float

* Float Bowl "O"Ring

• InletNeedle, Seat, & Clip (Incl. 31)
Spring Clip

Primer Bulb/Retainer Ring

Main Nozzle Tube
Carburetor Tube

* "O" Ring, MainNozzle Tube

High Speed Bowl Nut
BOwl Nut Washer

* Welch Plug, Idle MixtureWell

• Welch Plug, AtmosphericVent

• Welch Plug

Repair kit (Incl. Items Marked •)

34

CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 143.993512

KEY

NO.

PART
NO.

DESCRIPTION

D__

13

B 5

Qm2

11

12
13

1

2
3
4

5
6
7
8

590694
590599A
5906OO
590696

590601
590697
59O698
59O699

590700

590695
590535
590701

Recoil Starter
Spring Pin (Incl. 4)

Washer
Retainer
Washer

Brake Spring
Starter Dog
Dog Spring

Pulley& RewindSpring
Ass'y.
Starter HousingAss'y.
(40 degree grommet)
Starter Rope ( 98= X 9/
64"dia,)

StarterHandle

J]-,

film7

KEY
NO.

--D

11
12
13

14

3
6
7

8

PART

NO.

59O737
59O74O
590616

590617
590618A

590687A
590535

590701
590760

DESCRIPTION

RewindStarter
Retainer

Starter Dog
Dog Spring

Pulley& RewindSpring
ASS'y
Starter HousingAss'y
(40 degree grommet)
Starter Rope (Length 98"
x9164' dia.)

Starter Handle
Spring Clip

35

Fortherepairorreplacementpartsyouneed
delivereddirectlyto yourhome
Call7 am- 7pm,7 daysaweek

1-800-366-PART

(1-800-366-7278)
Para ordenar piezas con entrega a

domicilio - 1-800-659-7084

For in--house major brand repair service
Call 24 hours a day, 7 days a week

1-800-4-REPAIR

(1-800-473-7274)

Para pedir servicio de reparaci6n a
domicilio - 1-800-676-5811

For the location of a Sears Parts and
Repair Center in your area

Call 24 hours a day, 7 days a week

1-800-488-1222

For information on purchasing a Sears
Maintenance Agreement or to inquire

about an existing Agreement
Call 9 am - 5 pm, Monday-Saturday

! -800-827-6655

When requestingservice or ordering

parts, always provide the following
information:

• Product Tyge • Part Number

• Model Number • Part Description

mmmm

mmmmmm

SEARS

America's Repair Specialists

168861 01.13.99 VB Printedin U.S.A.