Craftsman 917.388221 Owner`s manual

Owner's Manual
£RRFTSNI:IN
4.5 HORSEPOWER
22" SIDE DISCHARGE
ROTARY LAWN MOWER
Model No.
917.388221
•
•
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•
•
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Safety
Assembly
Operation
Maintenance
Espa_ol
Repair Parts
CAUTION:
Read and follow all
Safety Rules and Instructions
before operating this equipment
Sears, Roebuck and Co., Hoffman Estates, IL 60179
Visit our Craftsman
website: www.sears.com/craftsman
Warranty ...............................................
Safety Rules .........................................
Assembly ..............................................
Operation ..............................................
Maintenance Schedule ........................
Maintenance .........................................
2
2
4
5
9
9
Product Specifications .......................... 10
Service and Adjustments ...................... 13
Storage .................................................
14
Troubleshooting ...................................
15
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 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.
• 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.
TRAINING:
• Read this operator's manual carefully.
Become familiar with the controls and
know how to operate your mower
properly. Leam 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.
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
• 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.
• 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 only in daylight or good artificial
light.
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 cool before storing in
any enclosure.
• Never store mower with fuel in the tank
inside a building where fumes may
roach 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!t! BECOMEALERT!H
YOUR
SAFETY IS INVOLVED.
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 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.
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.
AWARNING
The engine exhaust from this product
contains chemicals known to the State of
California to cause cancer, birth defects,
or other reproductive harm.
3
TheseaccessorieswereavaHablawhen this lawn mowerwas produced.They are not
shipped with your mower.They are alsoavailableat mostSearsretailo_ets andservice
centers. MostSearsstorescan alsoorderrepair.partsfor you,whenyou providethe model
numberof your lawnmower. Some of these accessoriesmay notapplyto yourlawn mower.
LAWN MOWER
PERFORMANCE
CLIPPING DEFLECTOR
FOR REAR DISCHARGE LAWN MOWERS
MULCHER KITS
STABILIZER
GRASS CATCHERS
FOR
SIDE DISCHARGE
LAWN MOWERS
GRASS CATCHERS
FOR
REARDISCHARGE
LAWN MOWERS
GAS CANS
LAWN MOWER
MAINTENANCE
MUFFLERS
BELTS
AIR FILTSRS
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.
TO REMOVE
LAWN MOWER FROM
CARTON
• Remove loose parts included with
mower.
4
SPARK PLUGS
WHEELS
ENGINE OIL
• Cut down two end comers of carton
and lay end panel down flat.
• Remove all packing materials except
padding between upper and lower
handle and padding holding operator
presence control bar to upper handle.
• Roll lawn mower out of carton and
check carton thoroughly for additional
loose parts.
HOW TO SET UP YOUR LAWN
MOWER
TO UNFOLD
HANDLE
IMPORTANT:
Unfold 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 =Adjust Handle" in the Service
and Adjustment section of this manual.
Operator presence control
bar
"_.
Upper handle _
Y/U_/
Liftup _
_
! /_
Mowing
KNOWYOUR LAWNMOWER
READ THIS OWNER'S MANUALAND SAFETY RULES BEFORE OPERATING YOUR LAWN
MOWER. Compare the illustrations with your lawn mower to familiarize yourself with the
location of various controls and adiustrnents. 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
OR WARNING
ON
ENGINE
OFF
FAST
SLOW
CHOKE
FUEL
OIL
DANGER, KEEP HANDS
AND FEET AWAY
control bar
Engine zone control cable
• Starter handle
Handle knob
Gasoline filler cap
Engine oil cap with dipstick
Primer
Housing
IMPORTANT: This lawn mower is
shipped WITHOUT OIL OR GASOLINE
in the engine.
Wheel adjuster
(on each wheel)
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 Commission. The blade turns when the engine is running.
I
Operator presence control bar - must be
held down to the handle to start the engine,
Release to stop the engine,
Pdmer - pumps add'dionalfuel from the
carburetor to the cylinderfor use when
starting a cold engine.
Starter handle - used for startingthe engine.
5
rm
+rmremm
o+.=y
,rower
can resull in f.or_._.
.
of:)jects If_wn
_?..U_eeyes,
wh_hcanresu_
_
sevm eyeUamage.
A_js wearr._sty
TO CONVERT TO DISCHARGING
MOWER
Your mower is shipped ready to be used
as a mulcher. To convert to bagging or
discharging:
• Lift discharge guard and remove
mulcher plate.
• Mower can now be used for side
discharge or optional grass catcher can
be attached.
glasses or eye shields while opera_
your
lawn mower or performing any adjusbnanls
or repaim. We recommend a wide vision
safety mask over spectacles or standard
safsty
g_sses,
HOWTO USEYOUR LAWNMOWER
ENGINE SPEED CONTROL
• To retum to mulching operat on, simply
reinstall mulcher plate as shown.
ACAUTION:
Do not run your lawn
mower without discharge guard,
approved grass catcher or mulcher plate
in place.
The engine speed was set at the factory
for optimum performance. Speed is not
adjustable.
ENGINE ZONE CONTROL
_CAUTION:
Federal regulations require
an engine control to be installed on this
lawn mower in order to minimize the risk
of blade contact injury. Do not under any
circumstances attempt to defeat the
function of the operator control. The blade
turns when the engine is running.
• Your lawn mower is equipped with an
operator presence control bar which
requires the operator to be positioned
behind the lawn mower handle to start and
operate the lawn mower.
TO ADJUST cUTrlNG HEIGHT
• Raise wheels for low cut and lower wheels
-Hooks
opening
Mulch plate
Hinge
rod
forhkjhcuL
• Adjust cutting height to suit your requiremerits. Medium position 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 propedy positioned
when plate tab inserts into hole in lever.
Also, 9-position adjusters (if so equipped)
allow lever to be positioned between the
plate tabs.
Lower wheels for
high cut
BEFORE STARTING ENGINE
OL
Your lawn mower is shipped without oil in the
engine.
• Be sure mower is level and area around oH
fill is clean.
• I::lemoveengine oil cap and fillto U'_ full
lineon the dipstick
NOTE: Allow oil to settle down into
engine for accurate dipstick reading.
Plate tab
• Engine holds 20ozs. oi oil. Fortypeand
grade of oHto use, see "ENGINE" in
Maintenancesectionoithismanual.
• Pour oil slowly. Donot over filL
• Che_ oil level before each use. Addoilif
needecL FO to lug rm on (f_sSck
• To reed proper level, lighien engine oil cap
each time.
Lever
Raise wheels for low
cut
NOTE: Your lawn mower has been
shipped ready for mulching operation. To
• Reim_ an_neoacopand,ghi_
• Chango.Wm oi after every 25 houm of
operation or each seasoR You may need
convert to discharging operation, you
mu_t install the discharge deflector "
attachment included with your mower.
_ change _
6
oi rnomo_en underde_,
ADD GASOUNE
MOWING TIPS
• 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.
AWARNING:
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.
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.
• 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.
• 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.
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.
Engine oil cap
Gasoline filler
cap
7
MULCHING MOWING TIPS
c_t_ height
soeet_ lawnmower
cuts
_ _/the topone._d o_U_egross
Im=ORTANT:
Forbestpe_onnance,
keep
mowerhousingfree of bul-q) grassand
blades. # gw lawnts overgrownit wil be
necessaryto raisethe heighto_cutto
See"Cleanbg"
in MAINTENANCE
seclionof ttis manu_
reduce
pushing
e_o,tandtokeepfrom
_
• Thespec_nUch_ b_dewUrec_._e
,_eengine
ar__g
grass€_aingsrnanyl_n_ andreduce
c_umps
o_nUched
gra_ For_
_am insize so Ihat as 8wy fall ontothe
lawn theywil cispe_ intothe grassand
notbe nolice_ Nso. lhe muUled grass
heavy niulchi_ reduceyourwidlhof cut
for_he_
lions may req_re thatan area be mulched
a second_to
oompta(elyhide Ihe
by_
pre,.,iou_
_ pathand
rnew slowly
wab_rade q_dytopro_de
n_ents • CedabhC_sd grassandgrasscon(_
Ahva_.nubh_h your
t_ghest
en_e (t_b) s_d as._s wi
W_ _
prov_ mebestrecut_gac_n or_he
blades.
• Avoidct,lS_yourlawnwhenitiswet
Wet
grasstendsto formdurn_ andinterferes
W_llhe _
acaorL The best _11eIo
mowyourbwn isEle eadyaltemo_ At
8"4slime b'legrasshas dded andthe newty
cut area wi notbe exposedto the (ted
SUn.
• For best results, a(_ust the lawn mower
8
ac_s
a sec_o£
or peq:e_k:_
• c_e_rct_r_
_ _
_
mow
_st cut pa_
_
week_o
week. Mow r_
to sot_ oneweek e_en
c_nge to east to west e_e next week: This
MAINTENANCE
SCHEDULE
FILL IN DATES
AS YOU COMPLETE
REGULAR SERVICE
Check for Loose Fasteners
Clean/Inspect Grass Catcher
(If Equipped)
oM Clean
Clean Lawn
UnderMower
Drive Cover
W
R
SERVICE DATES
_
I_
ll/
_/
Check ddve belt/pulleys
IPower-Propelled
Mowers!
(Power.Propelled Mowers)
Check/Sharpe_Replace Blade
I_
V'
(_a
LubdcationChart
Clean Sattery/Rscharge
IElectdc Start Mowers)
E Check
Engine
OilOil
Level
Change
Engine
G
I
b/'
_
!,/
Iw/
1_4
I_t.t
Clean Air Filter
InspectMuffler
Clean or Replace Spark Plug
I/2
i/
N
E Re_ace
AirFilter
Papar
Cartridge
I_
1_2
1 - Changemoreoltenwhenoperatingunder• heavyloado(In highambienttempemlums,
2 ° ServicemoreoftenwhenoperatingIn dirtyor dL_lyconditions.
3 - Replacebladesmoreoftenwh_ mowingIn sandyseil.
4 - Charge48 hoursat endofseason,
GENERAL
LUBRICATION CHART
RECOMMENDATIONS
The warranty on this lawn mower does not
cover items that have been subjected to
operator abuse or negligence. To receive full
value from the warranty, operator must
maintain mower as instructed in this manual.
Some adjustmentswill need to be made
pededicaily to properly maintain your unit.
All adjustments in the Service and Adjustrnents 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
(_)Wheel adjuster
oil
(_)Mulcher door
(_B'rake
spdng
bracket
(X)Handle bracket
mountingpin
(_Spray lubdcante "
®Refer to MAINTINANCE "ENGINE"
SECTION.
IMPORTANT: Do notoil or grease plastic
wheel bearings. Viscouslubricantswillattract
dustand dirtthatwillshortenthe lifeofthe
selflubricatingbearings.If you feelthey must
be lubricated,useonly a dry,powdered
graphitetype lub,icant spa,inghy.
• Check engine oil level.
• Check for loose fasteners.
LUBRICATION
Keep unitwell lubricated (See "LUBRICATION
CHART").
9
PRODUCT
SPECIFICATIONS
MODEL NUMBER
917.388221
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)
20 OZS.
(API-SF/SG/SH):
OIL CAPACITY:
SPARK PLUG(GAP:
VALVECLEARANCE:
.030")
CHAMPION
RJ19LM OR J19LM
INTAKE:
EXHAUST:
sOLID STATE IGNITION
AIR GAP:
.0125 IN.
BLADE BOLT TORQUE:
35-40 FT. LBS.
.004 - .008
.004 - .008
The model and serial numbers will be found on a decal attached to the rear of the
lawn mower housing.Record both sedai number and date of purchase in space
provided above.
LAW_IMOWER
NOTE: Remove the blade adapter and
Alwaysobservesafety ruleswhen performing check the key inside hub of blade
adapter. The key must be in good
any maintenance.
TIRES
condition to work properly. Replace
adapter if damaged.
• Keep tiresfree of gasoline,o_1,orinsect
controlchemicalswhich can harm rubber.
TO REPLACE BLADE
• Avoidstumps,stones,deep ruts,sharp
objectsand otherhazardsthat may cause
tiredamage.
BLADECARE
• 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 thetrailing 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, tuming clockwise.
• The recommended tightening torque is
35-40 ft. Ibs.
IMPORTANT:
Blade bolt is grade 8 heat
treated.
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.
• 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 counterofockwise.
- Remove blade and attaching hardware
(bolt, lock washer and hardened
washer).
10
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.
Blade
Crankshaft
Ke_
keyway
Lockwasher
Crank
Blade
bolt
Hardened
washer
GRASS
Tr_ling
edge
Blade adapter
CATCHER
(If purchased as an accessory)
• 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
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 orat 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
NOTE: Before tipping lawn mower to
drain oil, drain fuel tank by running
engine until fuel tank is empty.
• Disconnect spark plug wire 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 as shown
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 to the
"FULL" line on the dipstick. DO NOT
OVER FILL.
• Replace engine oil cap.
• Reconnect spark plug wire to spark
plug.
Container
LUBRICATION
Use only high quality detergent oil rated with
API service classificationSF, SG or SH. Select
the oil's SAE viscosity grade according to your
expected operating temperature.
SAE VISCOSITY GRADES
TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE
ENGINE OIL
11
MUm.ER
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.
Inspect and replace conoded mufflar 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 run better. Set
sparkp_gap_ .o3o_ch.
TO CHANGE AIR FILTER
• Remove the air filter by turning counterclockwise to the stop and pull away
from collar.
• Remove filter from inside of cover.
• 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 tum clockwise to
tighten.
Tum
counter-
clockwise
to
CLEANING
IMPORTANT:
For best performance, Idip
mowerhousing
freeofbu_t-grsss
and_h.
Clean the underside of your mower after
each use,
_CAUTION:
Disconnect spark plug wire
from spark plug and place wire where it
cannot come in contact with the spark
plug.
• Clean the underside of your lawn mower
byscr_ngtoremovebu_-upofgrass
and trash.
• Claan engine otten to keep fresh from
accumulating. A dogged engine runs
hotter and shortens engine life.
• Keep finished surfaces and wheels free of
all gasoline,
oil,etc.
Slot
Air filter
Tab
Air
Turn
clockwise
to tighten
• Wedonot recommend using a garden
hose to clean lawn mower unless the
electricalsystem, muffler, air filter and
carburetor are covered to keep water out.
Water in engine can result in shortened
euginelife.
12
A CAUTION:
Before performing any
service and 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
Rotate
TO ADJUST CU'I-I'ING HEIGHT
See "TO ADJUST CUTTING HEIGHT" in
the Operation section of this manual.
DISCHARGE
GUARD
ENGINE
The discharge 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 position. If the discharge
guard becomes damaged, it should be
replaced.
REAR DEFLECTOR
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 engine is running too fast or
too slow, take your mower to an authorized service center for repair and
adjustment.
CARBURETOR
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.
TO ADJUST HANDLE
Your carburetor has a non-adjustable
fixed main jet for mixture control. If your
engine does not operate propedy due to
suspected carburetor problems, take your
lawn mower to an authorized service
center for repair and/or adjustment.
IMPORTANT:
Never tamper with the
engine governor, which is factory set for
the proper engine speed. Overspeeding
the engine above the factory high speed
scan be dangerous. If you think the
engine-govemed high speed needs
adjusting, contact your nearest authorized
service center, which has proper equipment and experience to make any
necessary adjustments.
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 lowering the handle.
• 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.
"°
13
Immediately prepare your lawn mower for
storage at the end of the season or ifthe unit
will not be used for30 days or more.
LAWNMOWER
When lawn mower is to be stored for a period
of time, dean itthoroughly, remove all o_rt,
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, breai_ge and
wear. Replace if necessary.
• Touch up ail rested or chipped paint
surfaces; sand lightly before painting.
HAM_LE
You can fold your lawnmower handlefor
storage.
• Squeeze the bottomends of the lower
handletowardeach otheruntilthe lower
handleclearsthe handle bracket,then
move handleforward.
• Loosenupper handle mour_ng bolts
enoughto allow upperhand_ to be folded
beck.
IMPORTANT: When folding the handlefor
storage or transportation,
be suretofold the
handleas shownoryou rnaydamage the
controlcables.
• When settingup your handlefromthe
storagepoal_, the lower handlewill
automalical_lockintothe mowing
position.
Lower handle
Squeeze to_'_p_
Operator presence control bar
Upper handle
Fold forward for
storage
Fold
backward
Mowing
position
handle
ENGINE
FUELSYSTEM
IMPORTANT: it is importantto prevent gum
deposits from forming in essential fuel system
pads such as carburetor,fuel filter,fuel hose,
or tank during storage. Also, experience
indP..ates that alcohol blended fuels (called
gasohol or using ethanol or methanol) can
attract moisture wi';tch leads to separatien
and formation of acids during storage. Acidic
gas can damage the fuel system ot an
engine while in storage.
• Drainthefueltank.
• Start the engine and let it run untilthe 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 stabirr_er
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 alow the _er
to
reach the carburetor. Do not drain the gas
l_-tk and a_ouretor if using fuel s_ebilizer,
_OIL
Dr oa
remov_
corxer
_ Mountk_
we ) and
dean engineell. (See'ENGINE"
inthe
Maintenance sectien of t"= manual).
CYLINDER
• Ren_e_rk p_. •
l_n
, pouroneoume(29 mi] of oi h'_xJgh
plug
nd r.
• Pul stader haJxle dowly a lew Ibnes to
• r , ce
14
new
OTHER
• Do not store gasoline from one season to
another.
• Replace your gasoline can if your can
starts to rust. Rust and/or cSrtin 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
IMPORTANT:
Never cover mower while
engine and exhaust areas are still warm.
ACAUTION:
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.
use plastic. Plastic cannot breathe which
allows condensation to form and will cause
your unitto rust.
TROUBLESHOOTING
CHART
PROBLEM
CAUSE
Does not start
1.
2.
3.
Dirty air filter.
Out of fuel.
Stale fuel.
1.
2.
3.
4.
Water in fuel.
4.
5.
6.
7.
8.
9.
Loss of power
1.
2.
3.
4.
5.
6.
Poor cut- uneven
CORRECTION
Spark plug wire is
5.
disconnected.
Bad spark plug.
6.
Loose blade or broken blade 7.
adapter.
Control bar in released
8.
position.
Control bar defective.
9.
Clean/replace air filter.
Fill fuel tank.
Drain tank and refillwith
fresh clean fuel.
Drain fuel tank and
carburetor and refilltank
with fresh gasoline.
Connect wire to plug.
Replace spark plug.
"13ghtenblade belt or
replace blade adapter.
Depress control bar to
handle.
Replace control bar.
Rear of lawn mower housing 1. Set to "Higher Cut"
or cutting blade dragging
position.
in heavy grass.
Cutting too much grass.
2. Set to "Higher Cut"
position.
Dirty air tilter.
3. Clean/replace air filter.
4. Clean underside of mower
Buildup of grass, leaves,
and trash under mower.
housing,
5. Check oil level.
Too much oil in engine.
6. Cut at slower walking
Walking speed too fast.
speed.
1.
Wom, bent or loose blade.
1.
2.
Wheel heights uneven.
2.
Replace blade. "13ghten
blade belt.
Set all wheels at same
3.
Buildup of grass, leaves
and trash under mower.
!3.
height
Clean underside of
15
mower housing.
TROUBLESHOOTING
PROBLEM
Excessive
vibration
Smrter rope l_rd
CHART
CAUSE
CORRECTION
1.
Worn, bent or loose blade.
2.
Bentengine
c_
1.
topun
Engine
nywh_brak_ison
1. Replace blade.Tighten
Uade bo_
2. Contactan authorized
servicecenter.
1.
when control bar is relaased.
Depress cordrolbar to
upperhand_ before
pur_ starerrope.
2.
Bentexjinooranksh_
2.
3.
4.
Badeedap_broken.
3. Rep_oe_adeadepter.
Blade dlagging in grass.
4.
Move lawn rnower to cut
grass or to hard surface
Cutting height too low.
Lift on blade worn off.
equipped)
1.
2.
3.
1.
2.
3.
Raise cutting height.
Repb_ blade.
Clean grass catcher.
Hard to push
1.
Grass is too high or wheel
hek_ is too low.
Rear of lawn mower
Grass catcher
not filling (if so
2.
3.
4.
Catcher not venting air.
Contact an aubhodzed
service center.
Raise_ng_
2.
Raise rear of lawn mower
housing
one(1)setting
housing or blade dragging
in grass.
Grass catcher too full.
3. EmW grasscatcher.
Handehe_ pos_on
not
4.
dghtforyo_
16
h_r.
Adjust hattie height to
suL
_ SERVICE NOTES
ROTARY LAWN MOWER - MODEL NO. 917.388221
5O
5O
77
77
55
36
46
79
44
45
46
"50
ROTARY LAWN MOWER- MODEL NO. 917.388221
KEY
NO.
PART
NO
1
2
3
4
5
7
11
12
13
16
19
21
22
23
27
30
33
34
35
36
39
4O
43
44
45
46
636O1
869O2
132001
169709X479
169708X479
131959
168552
750097
850733X004
136376
51793
165858
66426
160631
160832
160633
751153
168164X479
16816_0(479
160835_007
168360O(0O4
87877
19112222
160828
146248
83923
DESCRIPTION
Lodo'_ 114-20
ControlBar
RopeGulde
UpperHar_
LowerHandle
I-landleBolt5/16-18
Eng_'le
ZoneControlCable
HexWashed-leadScrew#10-24 xl/2
up-s Bracket
HandleKnob
I-latqoln
Cotter
ReerDeflector
WlreTte
Discharge
Guard
TorslonSprtng
HingeR0d
NutHexFlangeLock5/16-18
Whe_ BracketSupport(Left)
Bracket
suppo
WheelBracketAdjuster
SelectorSpdng
SelectorKnob
Washer
ShoulderBolt5-16-18x 35
Wh AssemUy
LOC_ut1/16-18
KEY PART
NO.
NO
50
51
52
55
59
61
62
63
64
65
67
72
73
74
76
77
78
79
80
---
DESCRIPTION
77400
17600406
150406
85463
161345
851514
141114
851074
85(_63
851084
......
Hubcap
ScrewHex Serrated1/4 x 20 tt
HexHeadThreadRollingScrew3/8-16 x 1
DangerDecal
LawnMowerHousing( Ind. KeyNo.55)
BledeAdapter
22"Blede
HardenedWasher
HeBcalLockwasher3/8
Hex HeedScrew 3/6-24 x 1/4 Grd.8
Engine- ( See Breakdown)Craftsman
ModelNo.143.994508
167132)(004 AxleArmAsrn.(RR/LF)
167133X004 AxleArmAsm(RF/LR)
751153
Nut
161622
CUp.Closeout
750097
Screw
87584X004
HingeBracket
160828
ShouldrBolt5/16-.18x .51
160830
MulcherPlate
170_80
OwneCsManual(Eng_shiSpanish)
161058
WarningDecal(NotShown)
Availableaccessories
notIndudedwithlawn mower.
7133000
SAE30WO,(20o_)
CRAFTSMAN
4-CYCLE
ENGINE
MODEL NUMBER 143.994508
O--
370K
_261
370C
4OO
110 _'_325
135
130
101
120
119
416
125
310
182
19
46
36
CRAFTSMAN
KEY
NO.
PART
NO.
1
2
6
7
12
12A
37280
26727
33734
36557
36775
36558
12B
14
15
16
17
18
36694
28277
30589
34839A
31335
651018
19
20
30
40
36281
32600
36776
35544A
35545A
35546
41
35541
35542
35543
42
43
45
35547A
35548A
35549
20381
36777
46
48
50
52
69
70
32610A
27241
37032
29914
35261
34311E
72
75
80
81
82
83
86
89
90
92
93
100
101
103
36083
27897
30574A
30590A
30591
30588A
650488
611004
611112
650815
650816
34443B
610118
651007
110
119
120
125
37047
37028
36825
37288
126 37289
130 6021A
135 35395
150 31672
151 31673
151A40017
4-CYCLE
ENGINE
DESCRIPTION
MODEL NUMBER
KEY
NO.
Cylinder (Ind. 2,20 & 150)
Dowel Pin
Breather Element
Breather Ass'y. (Incl. 6 & 12A)
Breather Tube
Breather Cover & Tube
(Ind. 12B)
Breather Tube Elbow
Washer
Govamor Rod (Incl. 14)
Governor Lever
Governor Lever Clamp
Screw, Torx T-15, 8-32 x 19/
64"
Extension Spdng
Oil Seal
Crankshaft
Piston, Pin & Ring Set (Std.)
Piston, Pin & Ring Set (.010"
OS)
Piston, Pin & Ring Set (.020"
OS)
Piston & Pin Ass'yo(Std.) (Ind.
43)
Piston & Pin Ass'y. (.010" OS)
(Ind. 43)
Piston & Pin Ass'y. (.020" OS)
(IncL 43)
Ring Set (Std.)
Ring Set (.010" OS)
Ring Set (.020 OS)
Piston Pin Retaining Ring
Connecting Rod Ass'y.
_ncl. 46)
onnecting Rod Bolt
Valve Lifter
Camshaft (NCR)
Oil Pump Ass y.
Mounting Flange Gasket
Mounting Flange (Incl. 72 thru
83,306,)
Oil Dram Plug
Oil Seal
Governor Shaft
Washer
Governor Gear Ass'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
Exhaust Valve (Std.)
(Incl. 151)
Intake Valve (Std.) (Incl. 151)
Screw, 5/16-18 x 1-1/2 =
Resistor Spark Plug (RJ19LM)
Valve Spdng
PART
NO.
169
172
174
178
182
184
36783
36784
30200
29752
6201
26756
185
186
189
191
195
207
216
223
224
238
36785
32653
650839
36559A
610973
34336
33086
650451
36786
650932
239
241
245
250
260
261
262
275
34338
35797
35066
35065
36980
30200
650831
36790A
277
285
287
650988
35000A
650926
290
292
298
300
301
305
306
307
309
310
313
29774
26460
28763
36916
36246
35647
36996
35499
650562
35648
34080
325
370A
370C
370K
380
390
400
37152
36261
37199
36695
640174
590737
37029A
416
36085
417
900
650821
---
900
---
143.994508
DESCRIPTION
*
*
*
Valve Cover Gasket
Valve Cover
Screw, 10-24 x 9/16"
Nut & Lock Washer, 1/4-28
Screw, 1/4-28 x 7/8"
Carburetor To Intake Pipe
Gasket
Intake Pipe
Governor Unk
Screw, 1/4-20 x 3/8"
S.E. Brake Bracket (Ind. 195)
Terminal
Throttle Unk
R.P.M. Adjusting Lever
Screw, 1/4-20 x 1"
Intake Pipe Gasket
Screw, 10-32 x 49/64"
Air Cleaner Gasket
Air Cleaner Collar
Air Cleaner Filter
Air Cleaner Cover
Blower Housing
Screw, 10-24 x 9/16"
Screw, 1/4-20 x 1/2"
Muffler
Screw, 1/4-20 x 2-5/16"
Starter Cup
Screw, 8-32 x 21/64"
Fuel Une
Fuel Line Clamp
Screw, 10-32 x 35/64"
Fuel Tank (Incl. 292 & 301)
Fuel Cap
Oil Fill Tube
=O"-Ring
=O"-Ring
Screw, 10,32 x t/2"
Dipstick
Spacer
Spdng Clip
Lubdcation Decal
Pdmer Decal
Starter Decal
Carburetor (Ind. 184)
Rewind Starter
Gasket Set
_ncl. Items Marked *)
park Arrestor Kit
_ncl. 417)(Optional)
crew, 10-32 x 1/2" (Optional)
Replacement Engine 750830,
order from 71-999
Replacement Short Block
750806B, order from 71-999
RPM High 2900 to 3200
NOTE: This engine could have been built
with 590694 starter).
NOTE: All component dimensions given
in U.S. inches 1 inch = 25.4 mm
Valve
Intake Spdng
Valve ,_
37
CRAFTSMAN
4-CYCLE
ENGINE
KEY
NO.
MODEL
PART
NO.
DESCRIPTION
-- -- 640174
1
2
4
5
6
7
16
17
631615
631767
631184
631183
640070
650506
631807
651025
18
20
20A
25
27
28
29
30
630766
640018
640053
631867
631024
632019
631028
631021
31
35
36
36A
37
40
44
47
48
48A
60
631022
36045A
640080
632766
632547
640175
27110A
630748
631027
631027
632760
*
*
*
*
*
*
*
*
*
*
Carburetor
(Incl. 184 of Engine Parts List)
Throttle Shaft & Lever Assembly
Throttle Retum Spdng
Dust Seal Washer
Dust Seal (Throttle)
Throttle Shutter
Shutter Screw
Fuel Fitting
Throttle Crack Screw/Idle Speed
Screw
Tension Spring
Idle Restdctor Screw
Idle Restrictor Screw Cap
Float Bowl
Float Shaft
Float
Float Bowl =O" Ring
Inlet Needle, Seat, & Clip (Incl.
31)
Spdng 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, Atmospheric Vent
Welch Plug
Repair kit (Incl. Items Marked ")
38
NUMBER
143.994508
CRAFTSMAN
4-CYCLE
ENGINE
MODEL
NO.
.....1,
I
NO.
KEY
PART
--590694
_
590599A
590600
590696
590601
590697
590698
11
590699
590700
590695
12
590535
13
590701
NUMBER
143.994508
DESCRIPTION
Recoil Starter
Spring Pin (Incl. 4)
Washer
Retainer
Washer
Brake Spring
Starter Dog
Dog Spring
Pulley & Rewind Spring Ass'y.
Starter Housing Ass'y. (40
degree grommet),
Starter Rope ( 98 X 9/64
dia.)
Starter Handle
B--5
O
2
_14
KEY
NO.
PART
NO.
----590737
3
590740
6
590616
7
590617
8
590618A
_2
13
_8
39
12
590535
13
11
14
590701
590687A
590760
DESCRIPTION
Rewind Starter
Retainer
Starter Dog
Dog Spring
Pulley & Rewind Spring Ass y
Starter Housing Ass'y
(40 degree grommet)
Starter Rope (Length 98" x 9/
64" dia.)
Starter Handle
Spring Clip
For in-home major brand repair service:
Call 24 hours a day, 7 days a week
1-800-4-MY-Home
sM (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
sM
(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
170380
11.18.99
VB
Printed in U.S.A.