Craftsman 917389270 User Manual Gas, Walk Behind Lawnmower Manuals And Guides L0010001

CRAFTSMAN Walk Behind Lawnmower, Gas Manual L0010001 CRAFTSMAN Walk Behind Lawnmower, Gas Owner's Manual, CRAFTSMAN Walk Behind Lawnmower, Gas installation guides

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Owner's Manual

£RAFTSMAN"
5.5 HORSEPOWER
21" REAR DISCHARGE
ROTARY LAWN MOWER

Model No.
917.389270

•
•
•
•
•
•

Safety
Assembly
Operation
Maintenance
Espahol
Repair Parts

CAUTION:
Read and follow all
Safety Rules and Instructions
before operating this equipment
Sears, Roebuck and Co., Hoffman Estates, IL 60179
VisitourCraftsmanwebsite:www.sears.com/craftsman

Warranty ...............................................
Safety Rules .........................................
Assembly ..............................................
Operation ..............................................
Maintenance Schedule ........................
Maintenance .........................................

2
2
4
6
10
10

Product Specifications.......................... 11
Service and Adjustments...................... 13
Storage ................................................. 15
Troubleshooting ................................... 16
Repair Parts .......................................... 34
Parts Ordering ...................... Back Cover

LIMITED TWO YEAR WARRANTY ON CRAFTSMAN POWER MOWER
For two years from date of purchase, when this Craftsman Lawn Mower is maintained,
lubricated, and tuned up according to the operating and maintenance instructions in
the owner's manual, Sears will repair free of charge any defect in material or workmanship.
If this Craftsman Lawn Mower is used for commercial or rental purposes, this warranty
applies for only 90 days from the date of purchase.
This Warranty does not cover:
• Expendable items which become worn during normal use, such as rotary mower
blades, blade adapters, belts, air cleaners and spark plug.
• Repairs necessary because of operator abuse or negligence, including bent
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 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, ILLINOIS 60179

Safety standards require operator
presence 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 manufacturer. 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 prepedy. Do not operate mower
when barefoot or wearing open

2

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 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 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
excessively 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 deterioration 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 c0ol 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.
ALook for this symbol to point out
important safety precautions. It means
CAUTION!f! BECOMEALERT!!!
YOUR
SAFETY IS INVOLVED.
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 accessorieswere availablewhen thislawn mowerwas produced.They are not
shipped with your mower. They are alsoavailableat mostSears retailoutletsand service
centers. Most Searsstorescan alsoorderrepairpartsfor you,when you providethe model
numberof your lawnmower. Some of these accessoriesmay notapplyto yourlawn mower.
LAWN MOWER

PERFORMANCE

P
CLIPPING DEFLECTOR
FOR REAR DISCHARGE LAWN MOWERS

MULCHER KITS

GRASS CATCHERS
FOR
REAR DISCHARGE
LAWN MOWERS

I

STABILIZER

FOR
SIDE DISCHARGE
GRASS
LAWN CATCHERS
MOWERS
GAS CANS

LAWN

MOWER

MAINTENANCE

MUFFLERS

BELTS

AIR FILTERS

BLADES

BLADE ADAPTERS

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 assembled at the factory with the exception of
those parts left unassembled for shipping
purposes. To ensure safe and proper
operation of your lawn mower, all parts and
hardware you assemble must be tightened
securely. Use the correct tools as necessary to ensure proper tightness. All parts
such as nuts, washers, bolts, etc., necessary to complete the assembly have been
placed in the parts bag.

SPARK PLUGS

WHEELS

ENGINE OIL

TO REMOVE LAWN MOWER FROM
CARTON
• Remove loose parts included with
mower.

• Cut down two end comers of carton and
lay end panel down flat.
• Remove all pacldng materials except
padding between upper and lower
handle and padding holding operator
presence control barto upper handle.
• Roll lawn mower out of carton and check
carton thoroughly for additional loose
pads.

4

HOW TO SET UP YOUR LAWN
MOWER

Operator
presence
control bar

TO UNFOLD HANDLE
IMPORTANT: Unfold handle 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 handle 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 "AdjustHandle" in the Service
and Adjustments section of this manual.

up

handle
Lift up

Lower
handle

Mowing
position

TO INSTALL ATACHMENTS
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.

5

KNOWYOUR LAWN MOWER
READTHIS OWNER'S MANUALAND SAFETY RULES BEFORE OPERATINGYOUR LAWN
MOWER. Comparethe iflustrations
withyour lawn mowerto familiarizeyourselfwiththe
locationof variouscontrolsand adjustments. Save this manualforfuturereference.
These symbols may appear on your lawn mower or in literature supplied with the
product. Learn and understand their meaning.

CAUTION
OR WARNING

ENGINE
ON

ENGINE
OFF

FAST

SLOW

CHOKE

FUEL

OIL

DANGER, KEEP HANDS
AND FEET AWAY

Operator presence control
bar

Starter handle

zone control cable

Handle

Grass

filler cap

with dipstick
Lawn mower housing

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

Wheel adjuster

en_]ine.
(on each wheel)
MEETS CPSC SAFETY REQUIREMENTS
Sears rotary walk-behind power lawn mowers conform to the safety standards of the American
National Standards Ins'dtuteand the U.S. Consumer Product Safety Commission. The blade
tums 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.

Primer - pumps additionel fuel from the
carburetor to the cylinder for use when
starling a cold engine.
Starter Handle - used for starting the engine.

6

The operation of any la.wn mower
result in foreign objects thrown
into the eyes, which can result in
severneye damage.Always
wearsafety
glasses or eye shields while operating your
lawn mower or performing any adjustments
or repairs. We recommend a wide vision
safety mask over spectacles or standard

safety
g ses.
HOWTO USEYOUR LAWN MOWER
ENGINE SPEED CONTROL

TO CONVERT MOWER
Your lawn mower was shipped ready to be
used as a mulcher. To convert to bagging :
REAR BAGGING
• Lift rear door of the lawn mower and place
the grass catcher frame hooks onto the
door pivot pins.
• To convert to mulching operation, remove
grass catcher and close rear door.

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
tums 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 pos_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 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.
Plate Tab
Lower Wheels for High Cut

Pivot pins

TO EMPTY GRASS CATCHER
• Lift up on grass catcher using the frame
handle.
• Remove grass catcher with clippings
from under lawn mower handle.
• Empty clippings from bag using both
frame handle and bag handle.
NOTE: Do not drag the bag when
emptying; it will cause unnecessary wear.

/
handle

Lever

Raise Wheels for Low Cut

7

Grass
catcher
frame
handle

BEFORE STARTING ENGINE
OIL
Your lawn mower is shipped without oil in the
engine.
• Be sure mower is level and area around oil
flUis dean.
• Remove engine oil cap and fillto the full
line on the d_
NOTE: Allow oil to settle down into
engine for accurate dipstick reading.
• Engine holds 20 ozs. of oil. For type and
grade of oil to use, see "ENGINE" in
Maintenance 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.
ADD GASOLINE
• Fillfuel 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 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.
ACAUTION:
Fill to bottom of gas tank
filler neck. Do not overfill. Wipe off any
spilled oil or fuel. Do not store, spill or use
gasoline near an open flame.

TO START ENGINE
• To start a cold engine, push primer three
(3) times before trying to start. Use a firm

push Thisstop is nct usuailyneceasary
when starling an engine which has already
run for a few minutes.
• Hold operatorpresence control bar down
to the handle and pull starter handle
quickly. Do not allow starter rope to snap
beck.
• 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 wil! not start. If you do
flood engine, wait a few minutes before
attempting to start and do not repeat
priming steps.
Gasoline filler
cap
Engine oil
cap

8

MOWlNGTIPS

MULCHING 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
a clockwise 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.

IMPORTANT:
For best performance, keep
mower housing free of built-up grass and
trash. Clean UNDERSIDE OF MOWER
HOUSING after each use. See "Cleaning"
in 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 wgl disperse into the grass and
not be noticed. Also, the mulched grass will
biodegrade quicldyto provide nutrients for
the lawn. Always mulch with your highest
engine (blade) speed as this will provide
the best recutting action of the blades.
• Avoid cutting your lawn when it is wet. Wet
grass tends to form clumps and interferes
with the mulching action, The best time to
mow your lawn is the early aftemoon. At
this time the grass has dried and the newly
cut area will not be exposed to the _rect
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. If the lawn is overgrown it will be
necessary to raise the height of cut to
reduce pushing effort and to keep from
overloading the engine and leaving
dumps of mulched grass. For extremely
heavy mulching, reduce your width of cut,
mow slowly and raise the rear of the lawn
mower one wheel adjuster setting higher
than tbe fronL
• Certain types of grass and grsss conditions
may require that an area be mulched a
second time to completely hide the
d_W_ngs.Wh_
ddng a soco_ c_ mow

a_oesorpeq_endk_ to_ first
cutpath.
• Change your cuttingpattern from week to
week. Mow north to south one weak then
change to east to west the next week. This

will

prevent
matUng
and

the lawn.

1/3

9

of

MAINTENANCE

SCHEDULE

_

_'_
,'_7_7"_._0___Y

AS YOUCOMPLETE

ICE DATES

R aU RSERV,CE
Check for Loose Fasteners
Clean/Inspect Grass Catcher

_

I_

oa Clean Under
Lawn Mower
Drive Cover
W

R

Check ddve belt/pulleys
IPower-Propelled
Mowers)
(Power-Propelled Mowers}
Check/Sharpen/Replace Blade

.j
3

LubricationChart
Clean Battery/Recharge
/Electric Start Mowers_
E Check En_lineOil Level
Change Engine Oil

1/

I/4

1/
I/'1:

Clean
Air
Filter
Inspect
Muffler
N
12 3 4.

clean
orAir
Replace
Spark Cartridge
Plug
Replace
Filter Paper

=

Change more often when operating under a heavy load or in high ambient temperatures,
Sep/ice more often when of_ragng In dirty or dusty conditions.
Replace b_les more often when mowing In sandy soU.
Charge 48 heum nt end of _eason.

GENERAL

RECOMMENDATIONS

The warranty on this lawn mower does not
cover items that have been ,subjectedto
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
perioclcally 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 ayear, replacethe spark plug,
replace air filter element and check blade
for wear. A new spark plug and dean/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 engineoil level
• Check for loose fasteners.
LUBRICATION
Keep unit well lubricated (See "LUBRICATION
CHART").

LUBRICATION

CHART

) Wheel
adjusters

:_rake spring
bracket

(_

Rear

ine oil

door

Handle bracket

hinge

mounting pin

(_ SPRAY LUBRICANT
(_)SAE30
MOTOROIL. REFERTO
ENGINE - MAINTENANCE SECTION.

IMPORTANT:
Do not oil or grease plastic
wheel bearings. Viscous lubricants will
attract dust and dirt that will shorten the
life of the self lubricating bearings. If you
feel they must be lubricated, use only a
dry, powdered graphite type lubricant
sparingly.

10

PRODUCT SPECIFICATIONS
MODEL

NUMBER

917.389270

SERIAL NUMBER
DATE OF PURCHASE
GASOLINE CAPACITY/TYPE:

1.5 QUARTS
UNLEADED REGULAR

OILTYPE

SAE 30 (ABOVE 32°F)
SAE 5W-30 (BELOW 32°F)

(APIoSF/SG/SH):

OIL CAPACITY:

20 OZS.

SPARK PLUG(GAP: .030")
VALVE CLEARANCE:

CHAMPION
INTAKE:
EXHAUST:

SOLID STATE IGNITION
AIR GAP:

RJ19LM OR J19LM
.004 - .008
.004 - .008

.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.

LAWNMOWlER
Alwaysobservesafety ruleswhen performing
any maintenance.
TIRES
• Keep tiresfree of gasoline,oil, or insect
controlchemicalswhichcan harm rubber.
• AvoidsbJmps,stones,
daep ruts,
sharp
obj_ and otherhazardsthatmay causa
tire
damage.
BLADE CARE
For best results, mower blade must be
kept sharp. Replace bent or damaged
blades.
TO REMOVE BLADE

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
treated.

• Disconnect spark plug wire from spark
plug and place wire where it cannot
come in contact with spark plug.
•Tum
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
tuming when removing blade bolt.
• Protect your hands with gloves and/or
wrap blade with heavy cloth.
• Remove blade bolt by tuming counterclockwise.
• 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.
11

TO SHARPEN BLADE
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. If blade is balanced, it should
remain in a horizontal position. If either
end of the blade moves downward,
sharpen the heavy end until the blade
is balanced.
Crank shaft
keyway

Bolt
Lockwasher

Crank
Hardened
Blade shaft
washer
Trailing adapter
edge

GRASS CATCHER

• 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 manufacturer approved
replacement catcher. Give the lawn mower
model number when ordering.
ENGINE
LUBRICATION
Use only high quality detergent oil rated
with API service classification SF, SH or
SG. Select the oil's SAE viscosity grade
according to your expected operating
temperature.
SAE VISCOSITY C

NOTE: Although multi--viscosity oils
(5W30, 10W30 etc.) improve starting in
cold weather, these multi--viscosity oils
will result in increased oil consumption
when used above 32°F. Check your
engine oil level more frequently to avoid
possible engine damage from running
low on oil.
Change the oil after every 25 hours of
operation or at least once a year if the
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. "13ghtenoil plug
securely each time you check the oil level.

TO CHANGE ENGINE OIL
NOTE: Before tipping lawn mower to
drain oil, drain fuel tank by running
engine until fuel tank is empty.
• Disconnect spark plug wipe from spark
plug and place wire where it cannot
come in contact with spark plug.
• Remove engine oil cap; lay aside on a
clean surface.
• Tip lawn mower on its side and drain oil
into a suitable container. Rock lawn
mower back and forth to remove any oil
trapped inside of engine.
• Wipe off any spilled oil on lawn mower
and on side of engine.
• Fill engine with oil. Fill only tb the
=FULL" line on the dipstick. DO NOT
OVERFILL.
• Replace engine oil cap.
• Reconnect spark plug wire to spark
plug.

Container

AIR RLTER
Your engine will not run propedy 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 CHANGE

L CHANGE

AIR FILTER

• Remove the air filter cover by tuming
counterclockwise to the stop and pull
away from collar.
• Remove filter from inside of cover.

12

• Clean the inside of the cover and the
collar to remove any dirt accumulation.
• 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 clockwise to
tighten.
Collar
Clip

Tum
counter-clockwise to
remove

Slot
Air filter

clockwise
Air filter cover

to tighten

MUFFLER
Inspect and replace corroded muffler as it
could create afire hazard and/or damage.
SPARK

PLUG

Change your spark plug each year to
make your engine start easier and run
better. Set spark plug gap at .030 inch.

ACAUTION:
Before performing any
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 CUTTING HEIGHT
See "TO ADJUST CUTTING HEIGHT" in
the Operation section of this manual.
REAR DEFLECTOR

CLEANING
IMPORTANT:
For best performance, keep
mower housing free of built--up grass
and trash. Clean underside of mower
housing after each use.
_CAUTION:
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
a!r 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.

• Remove upper handle and all parts
attached to lower handle.
• Remove hairpin cotters from lower
handle bracket mounting pin:
• Squeeze lower handle in to remove it
from mounting pins.
• Turn lower handle over to raise or lower
handle.
• Squeeze lower handle in and position
holes onto mounting pins on handle
bracket.
• Reassemble upper handle and all parts
removed from lower handle.

The rear deflector, attached between the
rear wheels of your lawn mower, is
provided to minimize the possibility that
objects will be thrown out the rear of the
lawn mower into the operator's mowing
position.
If the rear deflector becomes damaged, it
should be replaced.
TO ADJUST HANDLE
The handle can be mounted in a high or
low position. The mounting holes in the
bottom of lower handle are off center for
raising or Iowedng the handle.

Rotate

13

TO ASSEMBLE

GRASS

CATCHER

• 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.
• 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.
_CAUTION:
Do not run yoiJr lawn mower
without clipping deflector or approved
grass catcher in place. Never attempt to
operate the lawn mower with the rear
door removed or propped open.
Catcher
frame
handle

Frame
opening

ENGINE
CARBURETOR
Your carburetor has a non-adjustabla fixed
main jet for mixture control. If your engine
does not operate properly due to suspected
carburetor problems, take your lawn mower to
an authorized service center for repair or
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
adjusting, contact your nearest authorized
service center, which has proper
equipment and experience to make any
necessary adjustments.
ENGINE SPEED
Your engine speed has been factory set. Do
not attempt to increase engine speed or it
may result in personal injury. If you believe
that the engine is runningtoo fast or too slow,
take your lawn mower to an authorized
service center for repair and adjustment.

14

Immediately prepare your lawn mower for
storage at the end of the season or if the unit
willnot be used for 30 days or more.
LAWN MOWER
When lawn mower is to be stored for a period
of time, dean it thoroughly,remove all dirt,
grease, leaves, etc. Store in a clean, dry area.
• Clean entire lawn mower (See "CLEANING" 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; sand lightlybefore painting.
HANDLE
You can fold your lawn mower handle for
storage.
• Squeeze the bottom ends of the lower
handle toward each other until the
lower handle clears the handle bracket,
then move handle forward.
• Loosen upper handle mounting bolts
enough to allow upper handle to be
folded back.
IMPORTANT:
When folding the handle
for storage or transportationg, be sure to
fold the handle as shown or you may
damage the control cables.
• When setting up your handle from the
storage position, the lower handle will
automatically lock into the mowing
position.
Lower handle

Squeeze _

J

Handle

Operator

Presence

Control Bar
Upper

,_/'/

Handle
f//
Fold Forward----'_.=-'For Storage
\\\/%,

_._'_

,:._'_"_

_,/" ,,_
_'_;._
_
J

Mowing

__

Baokward

Position
Lower
Handle

ENGINE
FUEL SYSTEM
IMPORTANT:
It is important to prevent
gum deposits trom 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 end 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
altemative 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 container. Run
engine at least 10 minutes after adding
stabilizer to allow the stabilizer to reach
the carburetor. Do not drain the gas tank
and carburetor if using fuel stabilizer.

Hairpin cotter

15

ENGINE OIL
Drain oil (with engine warm) and replace
with clean engine oil. (See "ENGINE" in
the Maintenance section of this manual).
CYLINDER
• Remove spark plug.
• Pour one ounce (29 ml) of oil through
spark plug hole into cylinder.
• Pull starter handle slowly a few times to
distribute oil,
• Replace with new spark plug.

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
dirt.
• Cover your unit with a suitable protective cover that does not retain moisture.
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 still warm.
_CAUTION:
Never store 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.

TROUBLESHOOTINGCHART
PROBLEM
CAUSE
Does not start

CORRECTION
1. Clean/replace air filter.
2. Fill fuel tank.
3. Drain tank and refill with
fresh clean fuel.
4. Drain fuel tank and
carburetor and refill tank
with fresh gasoline.
5. Connect wire to plug.

1. Dirty air filter.
2. Out of fuel.
3. Stale fuel.
4. Water in fuel.

5. Spark plug wire is
disconnected.
6. Replace spark plug.
6. Bad spark plug.
7. Loose blade or broken blade 7. Tighten blade bolt or
replace blade adapter,
adapter,
8. Control bar in released
8. Depress control bar to
handle.
position.
9. Control bar defective.
9: Replace control bar.
Loss of power

1. Rear of lawn mower housing 1. Set to =Higher Cut"
position.
or cutting blade dragging
in heavy grass.
2. Set to =Higher Cut"
2. Cutting too much grass.
3. Dirty air filter.
4. Buildup of grass, leaves,
and trash under mower.
5. Too much oil in engine.
6. Walking speed too fast.

16

position.•
3, Clean/replace air filter.
4. Clean underside of mower
housing.
5. Check oil level.
6. Cut at slower walking
speed.

TROUBLESHOOTING
PROBLEM

CHART
CAUSE

CORRECTION

Poor cut- uneven 1. Worn, bent or loose blade.
2. Wheel heights

uneven.

3. Buildup of grass, leaves
and trash under mower.
Excessive
vibration

1. Worn, bent or loose blade.
2. Bent engine crankshaft.

Starter rope hard
topull

.

Engine flywheel brake is on
when control bar is released.

2. Bent engine crankshaft.
3. Blade adapter broken.
4. Blade dragging in grass.

1. Replace blade. "Nghten
blade bolt.
2. Set all wheels at same
height
3. Clean underside of
mower housing.
1. Replace blade. Tighten
blade bolt.
2. Contact an authorized
service center.
1. Depress control bar to
upper handle before
pulling starter rope.
2. Contact an authorized
service center,
3. Replace blade adapter.
4. Move lawn mower to cut
grass or to hard surface
to start engine

Grass catcher
not filling (if so
equipped)

1. Cutting height too low.
2. Lift on blade worn off.
3: Catcher not venting air.

1. Raise cutting height.
2. Replace blade.
3. Clean grass catcher.

Hard to push

1. Grass is too high or wheel
height is too low.
2. Rear of lawn mower
housing or blade dragging
in grass.
3. Grass catcher too full.
4. Handle height position not
right for you.

1. Raise cutting height.

17

2. Raise rear of lawn mower
housing one (1) setting
higher.
3. Empty grass catcher.
4. Adjust handle height to
suit.

CRAFTSMAN ROTARY LAWN MOWER -- MODEL NO. 917.389270

37

34

14
7

25

I

68

li
24

87

37
20
33

30
37

36

4O

CRAFTSMAN ROTARY LAWN MOWER -- MODEL NO. 917.389270
KEY
NO.
1
2
3
4
5
6
7
11
12
13
14
15
17
18
19
20
21
22
23
24
25
26
27
29
30
32

PART
NO.
869O2
169709X479
169708X479
132001
63601
131959
66426
156577
750097
850733X004
136376
51793
165946
17600406
167132X004
167133X004
165858
168360X004
166875
751153
166111X479
166112X479
851856
160835X007
19112222
169421X004

DESCRIPTION
Control Bar
UpperHandle
LowerHandle
RopeGuide
Locknut1/4-20
HandleBolt
WlmTle
EngineZoneControlCable
Hex Washer Head Screw#10-24 x 1/2
Up-StopBracket
HandleKnob
HairpinCotter
SupportBracket
Screw
Axle ArmAssembly- LF
Axle Arm Assembly- RF
Rear Skirt
SelectorSpdngFront
Rear DoorAssemblyKit(Incl. Springs)
Locknut5/16-18
Handle BracketAssembly(Left)
HandleBracketAssembly(Right)
Screw 1/4-20 x 3/8
Wheel AdjustingBracket- Front
Spacer
SelectorSpdng Rear

KEY
NO.
33
34
36
37
39
40
41
42
43
44
45
46
48
52
53
54
55
56
57
67
68
70

--

PART
NO.

DESCRIPTION

SelectorKnob
87877
165762X004 Axle Arm Assembly- LR
ShoulderBolt 5/16-18
160828
151157
WheelAssembly
83923
FlangedLocknut
774OO
Hubcap
88652
HingeScrew
165766
Spring(LH)
165767
Spring(RH)
DoorBOlt
165912
1504O6
Hex Head Thread RollingScrew3/8-16 x 1
85463
DangerDecal
165761X004 Axle ArmAssembly- RR
166872
HousingAssembly(Incl. Ref. #17, 18 & 46)
851084
Hex Head Screw 3/8-24 x 1-3/8 Grd. 8
HelicalLockwasher
850263
HardenedWasher
851074
165833
21" Blade
851514
BladeAdapter
166113
GrassBag
165755
CatcherFmme
......
Engine- (See Breakdown)Craftsman143.005500
Owner'sManual
172553

CRAFTSMAN

4-CYCLE

MODEL

ENGINE

NUMBER

4OO
161

,,160

1150
130A

13_
110_

119

42

19

43
46

2O7

238

36

143.005500

CRAFTSMAN
KEY
PART
NO.
NO,
1
2
6
7
12
12A

36835A
26727
33734
36557
36775
36558

12B
14
15
16
17
18

36694
28277
30589
34839A
31335
651018

19
20
30
40

36281
32600
37472
35544A
35545A
35546

41

35541
35542
35543

42
43
45

35547A
35548A
35549
20381
32875A

46
48
50
52
69
70

32610A
35616
37473
29914
35261
34311E

72
30572
73
28833
75
27897
80
30574A
81
30590A
82
30591
83
30588A
.86
650488
89
611004
90
611112
92
650815
93
650816
100 34443B
101 610118
103 651007
110
119
120
125

37047
36738
37474
36471
36472

126 29314C
130 650912
130A650999
135 34645
150 31672
151 31673

4-CYCLE

ENGINE

MODEL
KEY
NO.

DESCRIPTION
Cylinder (Incl. 2 & 20)
Dowel Pin
Breather Element
Breather Ass'y. (Incl. 6 & 12A)
Breather Tube
Breather Cover & Tube
_ncl. 12B)
reather Tube Elbow
Washer
Governor Rod (IncL 14)
Govemor Lever
Governor Lever Clamp
Screw, Torx "1"-15,
8-32 x 19/64"
Extension Spring
Oil Seal
Crankshaft
Piston, Pin & Ring Set (Std.)
Piston, Pin & Ring Set
(.010" OS)
Piston, Pin & Ring Set
(.020" OS)
Piston & Pin Ass'y. (Std.)
Piston & Pin Ass'y.(.010"OS)
(Incl. 43)
Piston & Pin Ass'y. (.020" OS)
_ncl. 43)
ng Set (Std.)
Ring Set (.010' OS_
Ring Set (.020" OS,
Piston Pin Retaining Ring
Connecting Rod Ass'y.
_ncl. 46)
onnecUng Rod Bolt
Valve Lifter
Camshaft (MCR)
Oil Pump Ass'y.
Mounting Flange Gasket
Mounting Flange
(Incl, 72 thru 83,306)
Oil Drain Plug (Incl. 73)
Drain Plug Gasket
Oil Seal
Governor Shaft
Washer
Governor GearAss'y. (Incl. 81)
Govemor Spool
Screw, 1/4-20 x 1-1/4'
Flywheel Key
Flywheel
Belleville Washer
Flywheel Nut
Solid State Ignition
Spark Plug Cover
Screw, Torx T-15,
10-24 x 15/16"
Ground Wire
Cylinder Head Gasket
Cylinder Head (Incl. 151A)
Exhaust Valve (Std.)
_nd. 151)
xhaust Valve (1/32" OS)
(Incl. 151)
Intake Valve (Std.) (IncL 151)
Screw, 5/16-18 x 1-I/2
Screw, 5116-18 x 2-41164"
Resistor Spark Plug (RN4C)
Valve Spdng
Valve Spdng Cap

151A
153
154
155
157
158
159
160
161
178
182
184
185
186
187
189
191
195
207
216
223
223A
224
238
239
241
245
250
260
261
262
263A
275
277
285
287
290
292
298
300
301
305
306
307
309
310
313
341A

PART
NO.
40016A
36649
650913
35624A
650914
36629
35626
35718
30063
29752
30088A
26756
36579
32653
36580
650839
36559A
610973
34336
33086
651044
651043
36581
650932
34338
35797
35066
35065
37475
30063
650831
37184
37476
650988
35000A
650926
29774
26460
28763
36916
36246
35647
36996
35499
650562
35648
34080
36578

347
651038
370A 36261
370C 37318
370K 36695
370R 37317
380 640272
390 590739
400 36806B
900
900

NOTE:
590702
NOTE:
inches1

37

NUMBER

143.005500

DESCRIPTION

*

*

*

*

Intake Valve Seal
Push Rod Guide
Rocker Arm Stud
Rocker Arm
Lock Nut
Push Rod
Rocker Arm Cover Gasket
Rocker Arm Housing
Screw, Torx T-30, 1/4-20 x 1/2"
Nut & Lock Washer, 1/4-28
Screw, 1/4-28 x 1"
Carburetor Gasket
Intake Pipe
Governor Link
Spacer
Screw, 1/4-20 x 3/8"
S.E. Brake Ass'y. (Incl. 195)
Terminal
Throttle Link
R.P.M. Adjusting Lever
Screw, 1/4-20 x 2-25/32"
Screw, 1/4-20 x 1-31/64"
Intake Pipe Gasket
Screw, 10-32 x 49/64"
Air Cleaner Gasket
Air Cleaner Collar
Air Cleaner Filter
Air Cleaner Cover
Blower Housing
Screw, Torx T-30, 1/4-20 x 1/2=
Screw, 1/4-20 x 1/2"
Starter Gdll
Muffler (Incl. 277)
.
Screw, 1/4-20 x 2-9132
Starter Cup
Screw, 8-32 x 21/64'
Fuel Line
Fuel Line Clamp
Screw, 10-32 x 35164"
Fuel Tank (Incl. 292 & 301)
Fuel Cap
Oil Fill Tube
=O"-Ring
"O"-Ring
Screw, 10-32 x 1/2"
Dipstick
Spacer
Blower Housing Support
Bracket
Screw, 10-32 x 27/32"
Lubrication Decal
Primer Decal (3X)
Starter Decal (Service)
Waming Decal
Carburetor (Incl. 184)
Rewind Starter
• Gasket Set
(_pCl.Items Marked *)
lacement Engine NONE
Replacement Short Block
750862,
order from 71-999
RPM High 3000 to 3300

This engine could have been built with
starter.
All component dimensions given in U.S.
inch = 25.4 mm

CRAFTSMAN

4-CYCLE

ENGINE

MODEL

NUMBER

--3e

_;;) n

KEY
NO.

PART
NO.

----640272
1
631615
2
631767
4
631184
5
631183
6
640070
7
650506
16
631807
17
651025
18
630766
20
640018
20A 640200
25
631867
27
631024
28
632019
29
631028
30
631021
31
631022
35
640259
36
640080
36A 632766
37
632547
40
640175
44
27110A
47
630748
48
631027
60
632760B

37

DESCRIPTION

*
*
*

*
*
*

*
*
*
*

Carburetor (Incl. 184 of Engine Parts List)
Throttle Shaft & Lever Assembly
Throttle
- Retum Spring
Dust _eal Washer
Dust Seal (Throttle)
Throttle Shutter
Shutter Screw
Fuel Fitting
Throttle Crack Screw/Idle Speed Screw
Tension Spring
idle Restrictor Screw
idle Restrictor Scrwe Cap (Black)
Float Bowl
Float Shaft
Float
Float Bowl =O" Ring
Inlet Needle, Seat, & Clip (incl. 31)
Spring Clip
Primer Bulb/Retainer Ring
Main Nozzle Tube
Carburetor Tube
=O" Ring, Main Nozzle Tube
High Speed Bowl Nut
Bowl Nut Washer
Welch Plug, Idle Mixture Well
Welch Plug, Atmosphedc Vent
Repair kit (Incl. Items Marked *)

38

143.005500

CRAFTSMAN

4-CYCLE

ENGINE

MODEL

KEY
NO.

PART
NO.

NUMBER

143.005500

DESCRIPTION

.... 11

----590702
1
590599A
2
590600
3
590696
4
590601
5
590697
6
590698
7
590699
6
590700
11
590703

13

12

590535

13

590701

Recoil Starter
Spdng Pin (Incl. 4)
Washer
Retainer
Washer
Brake Spring
Starter Dog
Dog Spring
Pulley & Rewind Spring Ass'y.
Starter Housing Ass'y.
(40 degree
_ommet)
arter Rope
_98" X 9/64" dia.)
tarter Handle

gr_5
O--2

nl
_q14

KEY
NO.

PART
NO.

----590739
3
590740
6
590616
7
590617
8
590618A
11
590638

12

12

590535

13
14

590701
590760

39

DESCRIPTION
Rewind Starter
Retainer
Starter Dog
DOg Spdng
Pulley & Rewind Spring Ass'y
Starter Housing Ass'y
(40 degree grommet)
Starter Rope
Length 98" x 9/64" dia.)
arter Handle
Spring Clip

For in-home major brand repair service:
Call 24 hours a day, 7 days a week
1-800-4-MY-Home
s" (1-800-469-4663)
Para pedir servicio de reparaci6n a domicilio
1-800-676-5811
In Canada for all your service and parts needs call
Au Canada pour tout le service ou les pi_ces
1-800-665-4455
For the repair or replacement parts you need:
Call 6 am-11pm CST, 7 days a week

PartsDirect
1-800-366-PART

s.

(1-800-366-7278)

Para ordenar piezas con entrega a domicilio
1-800-659-7084
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
1-800-827-6655

SEARS

172553

11.30.99

VB

Printed in U.S.A.



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Page Layout                     : SinglePage
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