Craftsman 143993506 User Manual SEARS SOLID STATE IGNITION ENGINE Manuals And Guides L9050365
CRAFTSMAN Engine Manual L9050365 CRAFTSMAN Engine Owner's Manual, CRAFTSMAN Engine installation guides
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.AR$
operator's
manual
MODEL NO. 143.99350E
3.5 RESERVE POWER
10 INCH CUBIC (163 cc)
DISPLACEMENT
SOLID STATE IGNITION
CAUTION:
Read RULES for
Safe OPERATION
and INSTRUCTIONS
Carefully
ENGIN
• Operating
• Maintenance
• Repair Parts
_ alifornia Proposition 65 WARNING: The engine exhaust from this product contains chemicals I
known to the State of California to cause cancer, birth defects or other reproductive harm. I
Sold by SEARS, ROEBUCK AND CO., CHICAGO, IL 60684 U.S.A.
and SEARS CANADA, INC., TORONTO, ONTARIO, CANADA
Pdntedin U.S.A. 4-1-99 181-1190-11
Iilmlll|lll|bllml ]
MODELAND
O.Q.M. DECAL
STARTER
HANDLE
OIL FILL PLUG AND DIPSTICK
RECOIL STARTER
FUEL
CAP
SPARK PLUG WIRE
SPARK PLUG
MUFFLER
AIR
GINE CONTROL
CARBURETOR
BOTTOM OF ENGINE
DRAIN PLUG
/
Figure 1
THIS SYMBOL POINTS OUT IMPORTANT SAFETY INSTRUCTIONS WHICH IF NOT FOLLOWED COULD _'_
ENDANGER THE PERSONAL SAFE'P( ANDIOR PROPERTY OF YOURSELF AND OTHERS, READ AND
FOLLOW ALL INSTRUCTIONS IN THIS MANUAL AND ANY PROVIDED WITH THE EQUIPMENT ON WHICH
THIS ENGINE IS USED BEFORE ATFEMPTING TO OPERATING.
THESE SYMBOLS MAY APPEAR ON THE ENGINE:
FAST SLOW STOP
ENGINESWHICH ARE CERTIRED TO COMPLY WITH CALIFORNIA A'_ID ...... 4
U.S. EPA EMISSION REGULATIONS FOR ULGE ENGINES: Are cert'd_l
tooperateonregutarunleadedgasettne,tnctudethefottowingemissionco_t
system(s): Era,TWC (if so equipped); Do not inctudeany useredjustal_e :.
MRB
features - therefore no other adjustments are needed.
OIL & FUEL RECOMMENDATIONS
TO OPERATE ENGINE, YOU WILL NEED THE FOLLOWING:
(_ A CLEAN, HIGH QUALITY, DETERGENT OIL.
Be sure odginal container Is marked:
A.P,I. service =SF'-"SJ".
FOR SUMMER (ABOVE 32°F; (PC) USE SAE 30 OIL.
Using multigrade oil will increase oil consumption.
FOR WINTER (BELOW 32°F; 0°C) USE SAE 5W30 OIL.
(SAE 10W is an acceptable substitute.)
DO NOT USE SAE 10W40 OIL.
OIL SUMP CAPACITY: 21 ounces (1-1/4 U.S. pints)
.62 liter
(_ A FRESH, CLEAN, UNLEADED PREMIUM, OR
REFORMULATED AUTOMOTIVE GASOLINE
ONLY. DO NOT USE LEADED GASOLINE.
NOTE: DO NOT USE GASOLINE CONTAINING METHANOL
(WOOD ALCOHOL). Gasoline containing up to 10% ethanol or
grain alcohol ('Gasohol"), or up to 15% MTBE (Methyl Tertiary
Butyl Ether), may be used but requires speciat care when engine
is unused for extended periods.
See "STORAGE" instructions of Page 4.
NOTE: Use clean oil and fuel and store in approved, clean
covered containers. Use clean fill funnels.
Never use "stale" gasoline left over from last season orstored for
long periods.
OFF FULL
CHOKE
• _BEFORE STARTING
"_) READ ALL II_STRUCTIONS PROVIDED WITH THE EQUIP-
_, MENT ON WHICH THIS ENGINE IS USED.
Page 1
(_ CHECK OIL LEVEL:
,IMPORTANT: NEVER RUN ENGINE UNLESS OIL LEVEL IS
BETWEEN "FULL" AND "ADD" MARKS ON
DIPSTICK.
' CHECK OIL LEVEL OFTEN DURING ENGINE BREAK-IN.
NEVER RUN ENGINE UNLESS OIL FILL PLUG IS TIGHTENED
SECURELYINTO OIL FILL HOLE.
A, POSITION EQUIPMENT SO ENGINE IS LEVEL.
B. Clean area around oil fill plug (see Figure 1).
C. Remove oil fill plug and dipstick.
O. Wipe dipstick clean, insert it into oil fill hole and tighten
securely.
E. Remove oil flU plug and check oil Level. If Levoiis not up to
=FULL" mark on dipstick, add recommended oil, until it is.
POUR SLOWLY. Wipe dipstick clean each time oil level is
checked. DO NOT FILL ABOVE "FULL" MARK ON DIP-
STICK•
F. Replace oil fill plug and tighten securely.
See "MAINTENANCE" sec_zonfor any future oi_lever and oil change
instructions (see Page 2). 181-1190-11
SELF WITH THE OPERATING, MAINTENANCE AND SAFETY
INSTRUCTIONS. THIS MANUAL ALSO CONTAINS A COM.
PLETE PARTS LISTING.
IMPORTANT
KEEP THIS MANUAL HANDY AT ALL TIMES FOR FUTURE
REFERENCE.READrrCAREFULLYAND FAMILIARIZEYOUR,
BEFORE STARTING (Continued)
(_) FILL FU EL TAN K with gasoline as specified in the preceding
"OIL & FUEL RECOMMENDATIONS item 2.
NEVER MIX OIL WITH GASOLINE
Never use =stale* gasoline left over from lastseason or stored for
long pedods.
,_ NEVER FILL FUEL TANK INDOORS. NEVER FILL FUELTANK
WHEN ENG NE S RUNN NG OR HOT. DO NOT SMOKE WHEN
FILLING FUEL TANK.
_k NEVER FILL FUEL TANK COMPLETELY. FILL TANK TO 1/2"
BELOW BOTTOM OF FILLER NECK TO PROVIDE SPACE FOR
FUEL EXPANSION. WIPE ANY FUEL SPILLAGE FROM EN-
GINE AND EQUIPMENT BEFORE STARTING ENGINE.
,_ANY LIQUERED PETROLEUM (LPG) OR NATURAL GAS FUEL
SYSTEM MUST BE LEAKPROOF AND MEET ALL APPLICA-
IBLE CODES AND REGULATIONS.
(_ CHECK THE FOLLOWING:
_k/_ BE SURE EQUIPMENT IS IN NEUTRAL GEAR WITH
CLUTCHES, BELTS, CHAINS AND SAFETY SWITCHES
DISENGAGED. (FOLLOW EQUIPMENT MANU-
FACTURER'S INSTRUCTIONS.) THIS SHOULD PLACE
ANY SAFETY SWITCHES IN SAFE STARTING POSITION.
B. Be suresparkplugwireis attachedto sparkplug(see Figure
1).
STARTING
,_ NEVER RUN ENGINE INDOORS OR IN ENCLOSED, POORLY ]
VENTILATED AREAS ENGINE EXHAUST CONTAINS CAR-
BON MONOXIDE, AN ODORLESS AND DEADLY GAS (CAR-
BON MONOXIDE IS ALSO PRESENT IN ENGINE EXHAUST /
FROM LIQUID PETROLEUM(LPG) AND NATURAL GAS FUEL
SYSTEMS). I
_KEEP HANDS, FEET, HAIR AND LOOSE CLOTHING AWAY
FROM ANY MOVING PARTS ON ENGINE AND EQUIPMENT.
_WARNING: TEMPERATURE OF MUFFLER AND NEARBY
AREAS MAY EXCEED 15(PF (65°C). AVOID THESE AREAS.
STOPPING
(_) Move ENGINE CONTROL (see Figure 1) to STOP.
(_) AFTER ENGINE IS STOPPED:
_A. DISCONNECT SPARK PLUG WIRE FROM SPARK PLUG
AND AI-rACH IT TO RETAINING POST (see FIgure 3).
_B. NEVER STORE ENGINE WITH FUELIN T_iKINI_ORS OR
IN ENCLOSED, POORLY VENTILATED AREAS, WHERE
FUEL FUMES MAY REACH AN OPEN FLAME, SPARK OR
PILOT LIGHT AS ON A FURNACE, WATER HEATER,
CLOTHES DRYER OR OTHER GAS APPLIANCE.
ROPE GUIDE
Fi, lm 2
SPARK PLUG WIRE
Figure 3
MAINTENANCE
_WARNING: TEMPERATURE OF MUFFLER AND NEARBY]
AREAS MAY EXCEED 150°F (65°C). AVOID THESE AREAS.J
(_) CHECK OIL LEVEL:
(_]) Move ENGINE CONTROL (see Figure 1) to HI Position.
(_) START ENGINE
A. The carburetor on your engine has been completely adjusted
at the factory. When starting a cold engine, push red pdmer
bulb firmly with your thumb 5 times, allowing primer bulb to
return completely to original posistion between pushes,
Repeat the above for each starter operation as necessary,
NOTE: DO NOT USE PRIMER TO RESTART AWARM
ENGINE AFTER A SHORT SHUTDOWN.
B. Grasp starter handle (see Figure 2) and pull rope out, slowly,
until it pulls slightly harder. Let rope rewind slowly. Then pull
rope witha rapid full arm stroke. Let rope rewind SLOWLY. Do
not let starter handle snap back against rope guide (see
Figure 2).
C. Repeat instruction E if necessary, until engine starts.
NOTE: if engine does not start, repeat instructions A, B and
C until itstarts.
ENGINE SPEED: Engine speed is controlled by the ENGINE CON-
TROL see Figure 1).
ENGINE CONTROL should be in HI position for high grass condi-
tions and for most efficient bagging in heavy grass conditions, and
in LOW position for light grass, trimming and for fuel economy. Page 2
Check oil level every five (5) operating hours or each time engine
is used. See =_ CHECK OIL LEVEL" in"BEFORE STARTING" on
Page 1.
(_) CHANGE OIL:
Change oil after first two (2) operating hours and every 25
operating hours thereafter, more often if operated in extremely
dusty or dirty conditions. Change oil while engine is still warm
from recent r_Jnnin_l.
,_A, DISCONNECT SPARK PLUG WIRE FROM SPARK PLUG
AND ATTACH IT TO RETAINING POST (see Figure 3).
B. Position equipment so engioe oil drain plug is lowest point on
engine.
C. Remove oil drain plug and oil fill plug to drain oil (see Figure
1).
D. Replace oil drain plug and tighten securely.
E. Fill oil sump with recommended oil. See "OIL & FUEL REC-
OMMENDATIONS" and "CHECK OIL LEVEL" on Page 1.
F. Replace oil fill plug and tighten securely.
G. Connect spark plug wire to spark plug.
H, Wipe up any spilled oil and/or gasoline.
NOTE: If itis difficultto reach the oildrain plug,drain fuel. Remove
oil fill plug and tip mower on its side. Drain oil into a suitable
container.
181-1190-11
MAINTENANCE (Continued) MAINTENANCE (Continued)
(_ AIR CLEANER (seeFigure4):
NEVER RUN ENGINE WITHOUT COMPLETE AIR CLEANER
INSTALLED ON ENGINE.
Replacefilteronceayearormoreoftenif usedinextremelydusty
or dirty conditions.
OO NOT ATTEMPT TO CLEAN OR OIL FILTER.
Replacementfilters are availableatany Sears RoebuckandCo.
(or Sears Canada, Inc.) Service Center. To installnew filter,
proceedas follows:
A. Turn coverto the left (countemlockwise)and removeit and
filterfrom flange. Discardfilter.
B. Clean cover and flange thoroughly.
C. Insert new filter intocover.
D. Positioncover and filter against flange with tab on cover
insertedintolowerleft comer of slotin flange.
E. Push cover firmly against flange and turn it to the fight
(clockwise)as far as it will go. Be sure retainemare locked
around flange.
SLOT
FLANGE RN COVER
i_ TO THE LEFT
w(COUNTER-
FILTER CLOCKWISE)
TO REMOVE
RETAINER
COVER
TAB COVER
TO THE RIGHT
(CLOCKWISE)
TO TIGHTEN
Figure 4
(_ SPARK PLUG (seeFigure5):
This sparkignitionsystemmeetsall requirementsof the Cans.
dian Inferferenoe-CausingEquipmentRegulations.Thisengine
complieswithall currentAustralianand New Zealandlimitations
regardingelectromagneticinterference.
Checksparkplugyearlyor evew 100 operatinghours.
A. Clean area aroundsparkplug.
B. Removeand inspectsparkplug.
C. Replacesparkplug if eLectrodesare pitted,burned orporce,
lain is cracked.For replacementuse ChampionRJ-19LMo=
equivalent.
NOTE: A resistorsparkplugmustbe usedfor replacement
D. Check electrodesgapwithwirefeeler gauge and setgap a
.030 if necessary.
E. Installsparkplug,tightensecurely.
ELECTRODES
.030 GAP
Figure5
(_) COOLING SYSTEM (seeFigure1):
IMPORTANT: Frequentlyremoveany grass clippings,dirtant
debrisfromcoolingfins,airintakescreenandleversandlinkag_
(seeFigure1),Thiswillhelpensureadequatecoolingandcorrecl
engine speed.
®
_CHECK ENGINE AND ECIUIPMENI" OFTEN FOR LOOSE NUTS
BOLTS AND/A'I-rACHMENTS, AND KEEP THESE ITEM.=
] TIGHTENED.
Page 3 181-1190-11
ADJUSTMENTS
DO NOT MAKE UNNECESSARY ADJUSTMENTS. FACTORY SET-
TINGS ARE SATISFACTORY FOR MOST APPLICATIONS AND
CONDITIONS. IF ADJUSTMENTS ARE NEEDED, PROCEED AS
FOLLOWS:
C) CARBURETOR
Ifyou think your carburetor needs adjusting, see your nearest
SEARS, ROEBUCK AND CO. (OR SEARS CANADA, INC.)
SERVICE CENTER. Engine performance should not be affected
at altitudes up to 7,000 feet. For operation at higher elevations,
contact your nearest SEARS, ROEBUCK AND CO. (OR SEARS
CANADA, INC.) SERVICE CENTER.
I_) ENGINE SPEED
ANEVER TAMPER WITH ENGINE GOVERNOR WHICH IS FAC-
Lll TORY SET FOR PROPER ENGINE SPEED. OVERSPEEDING
ENGINE ABOVE FACTORY HIGH SPEED SETTING CAN BE
DANGEROUS.
CHANGING OF ENGINE-GOVERNED SPEED WILL VOID EN-
GINE WARRANTY.
STORAGE
1
_kN EVER STORE ENGINE WITH FUEL IN TAN K IN DOORS OR IN /
ENCLOSED POORLY VENTILATED AREAS WHERE FUEL /
FUMES MAY REACH AN OPEN FLAME, SPARK OR PILOT
LIGHT AS ON A FURNACE, WATER HEATER, CLOTHES |
DRYER OR OTHER GAS APPL ANCE. /
IF ENGINE IS TO BE UNUSED FOR 30 DAYS OR MORE, PREPARE
AS FOLLOWS:
(_) DRAIN FUEL SYSTEM:
A. Removeall gasolinefromcarburetor andfuel tankto prevent
gumdepositsfrom forming onthese partsandcausing possi-
ble malfunctionof engine.
_lL DRAIN FUEL INTO APPROVED CONTAINER OUTDOORS,
AWAY FROM OPEN FLAME. BE SURE ENGINE IS COOL.
IDO NOT SMOKE.
q
B. Run engine until fuel tank is empty and engine stops due to
lack of fuel.
NOTE: Fuel stabilizer (such as STA-SIL) is an acceptable
altemative in minimizing the formation of fuel gum
deposits during storage. Add stabilizer to gasoline
in fuel tank orstorage container. Always follow mix
ratio found on stabilizer container. Run engine at
least 10 minutes after adding stabilizer to allow itto
reach carburetor.
STORAGE (Continued)
_) CHANGE OIL:
Change oil if ithas not been changed in the last three (3)months.
See "CHANGE OIL" instructions in "MAINTENANCE" section.
(_OIL CYLINDER BORE:
A. Remove spark plug. Squirt one (1) oz. (30 ml) of clean engine
oil into spark plug hole.
B. Cover spark plug hole with a rag.
C. Crank engine over, slowly, several times.
AVOID SPRAY FROM SPARK PLUG HOLE WHEN CRANK-
NG ENG NE OVER SLOWLY.
D. Install.sparkplug. Do not connect sparkplugwire.
(_ CLEAN ENGINE:
Remove any clipping]s,dirt,or chafffromextedorof engine.
GENERAL
Just as your autbmobileneeds professionalmechanicalmainte-
nance fromtime to time, so does yourCraftsmanengine. Replace-
mentofthesparkplugandaircleanerismadenecessarybyNORMAL
use. ProfessionalAir-Cooled Engine Service is as close as your
nearest Sears Roebuckand Co. (or Sears Canada, Inc.) Service
Center.
A yeady check-up or tune-up by Sears is a good idea to avoid
breakdownsordelay.., doitattheendoftheseason,thenyou'reready
forthe next.We even prepareit for storageforyou.
Page 4 181-1190-11
TROUBLESHOOTING
THE FOLLOWING MAY HELP AVOID A DELAY IN YOUR WORK OR
SAVE THE EXPENSE OF A SERVICE CALL.
ENGINE FAILS TO START OR STARTS WITH DIFFICULTY
l
CAUSE REMEDY
Controlsnotin startposition. IMoveENGINE CONTROL or equipmentcontrolto "HI"or
iSTART postion. See "STARTING"instructionsinthis
manual.
Sparkplugwiredisconnectedfromsparkplug.
Sparkplugfouled.
Sparkplugporcelaincracked.
Insufficientfuel.
Water or dirtinfuel.
Impropercarburetoradjustment
ConnectSPARK PLUGWIRE to SPARK PLUG.
RemoveSPARK PLUGand cleanit. See 'SPARK
PLUG"instructionsin'MAINTENANCE"sectioninthis
manual.
Installnew sparkplug.
FillFUEL TANK per "BEFORESTARTING" instructions,
Drain FUEL TANK and re-fillwithclean, freshgasoline.
See "BEFORESTARTING' instructionsinthismanual.
Adjustcarburetor(if applicable). See "ADJUSTMENTS'
sectioninthismanual.
ENGINE LACKS POWER
CAUSE
Dirty air cleaner.
Improper carburetor adjustment.
Lack of lubricaiton.
ENGINE MISSES UNDER LOAD
REMEDY
Replace orclean aircleaner per "AIRCLEANER"
instructionsin"MAINTENANCE"sectioninthismanual
Adjustcarburetor (if applicable). See "ADJUSTMENTS"
sectioninthismanual.
Filloil sumpto properlevel. See "BEFORESTARTING'
instructionssectionin thismanual.
CAUSE
Spark plug fouled.
Spark plugpomelaincracked.
Impropersparkpluggap.
Impropercarburetor adjustment
'. REMEDY
Remove SPARK PLUG and clean it. See =SPARK
PLUG" instructions in "MAINTENANCE" section in this
manual.
Install new SPARK PLUG.
Regap SPARK PLUG electrodes. See "SPARK PLUG"
instructions in "MAINTENANCE" section in this manual.
Adjustcarburetor (if applicable). See "ADJUSTMENTS"
sectioninthismanual.
Page 5 181-1190-tl
SEARS, ROEBUCK AND CO.
Federal and California Emission Control Systems Limited Warranty
Utility and Lawn and Garden Engines
CALIFORNIA & US EPA EMISSION CONTROL
WARRANTYSTATEMENT
The U. S. Environmental Protection Agency ("EPA"), the Califomia Air
Resources Board ('CARB") and Sears, Roebuck and Co. are pleased to explain
the Federal and California Emission Control Systems Warranty on your new
utility or lawn and garden equipment engine. In California new 1995 and later
utility and lawn and garden equipment engines must be designed, built and
equipped to meet the State's stringent anti-smog standards. In other states, new
1997 and later model year engines must be designed, built and equipped at the
time o sale, to meet the U.S. EPA regulations for small non-road engines.
Sears, Roebuck and Co. will warrant the emission control system on your utility
or lawn and garden equipment engine for the periods of time listed below,
provided there has been no abuse, neglect, unapproved modification, or
improper maintenance of your utility or lawn and garden equipment engine.
Your emission control system may includeparts such as the carburetor, ignition
system and exhaust system. Also inciudedmay be the compression release
system and other emission-related assemblies.
Where a warrantable condition exists, Sears, Roebuck and Co. will repair your
utili or lawn and garden equipment engine at no cost to you for diagnosis, parts
an_lbl/abor,
MANUFACTURER'S EMISSION CONTROL SYSTEM
WARRANTY COVERAGE
Emission control systems on 1995 and later model year California utility and
lawn and garden equipment engines are warranted for two years as hereinafter
noted, tn other states, 1997 and later model year engines are also warranted for
two years. If, dudng such warranty pedod, any emission-relateq bert on your
engine is defective in materials or workmanship, the part will be repaired or
replaced by Sears, Roebuck and Co.
OWN ER'S WARRANTY RESPONSIBILITIES
As the utility or lawn and garden equipment engine owner, you are responsible
for the performance of the required maintenance listed in your Owner's Manual,
but Sears, Roebuck and Co. will not deny warranty solely due to the lack of
receipts or for your failure to provide written evidence oftbe performance of all
scheduled maintenance.
As the utility_or lawn and garden equi,prment engine owner, you should, however
be aware that Seam, Roebuck and Co. may deny you warranty coverage if your
utility or lawn and garden equipment or a part thereof has faileddue to abuse
neglect, improper maintenance or unapproved modifications.
You are responsible for presenting your utility or lawn and garden equipment
engine to a Sears, Roebuck and Co. Authorized Service Outlet as soon as a
problem exists, The warranty repairs should be completed in a reasonable
amount of time, not to exceed 30 days.
Warranty service can be arranged by contacting either a Sears, Roebuck and
Co. Authorized Service Outlet, or by contacting Sears, Roebuck and Co. at 1-
800-473-7247,
IMPORTANTNOTE
This warranty statement explains your rights and obligations under the Emission
Control System Warranty ("ECS Warranty') which is provided to you by Sears,
Roebuck and Co. pursuant to California law. See also the Sears, Roebuck and
Co. Limited Warranties for Sears, Roebuck and Co. which iS enclosed therewith
on a separate sheet and also is provided to you by Sears, Roebuck and CO.
The ECS Warranty applies only to the emission control system of your new
engine. To the extent that there is an_yconflict in terms between the ECS
Warranty and the Sears, Roebuck andCo, Warranty the ECS Warranty shall
apply except in any circumstances in which the Sears, Roebuck and Ce.
Warranty may provide a longer warranty period. Both the ECS Warran_ and
the Sears, Roebuck and Co. Warranty describe important rights and obhgations
with respect to your new engine.
Warranty service can only be performed by a Sears, Roebuck and Co.
Authorized Service Outlet. At the time of requesting warranty service, evidence
must be presented of the date of sale to the original purchaser. The purchaser
shall pay any charges for makinng service calls and/or for transporting the
products to and from the place where the inspection and/or warranty work is
performed. The bumhaser shall be responsible for any damage or loss incurred
m connection with the transportation of any engine or any part(s) thereof
submitted for inspection and/or warranty work.
if you have any questions regarding your warranty dghts and responsibilities,
you should contact Sears, Roebuck and Co. at 1-800-473-7247,
EMISSION CONTROL SYSTEM WARRANTY
Emission Control System Warran_ ('ECS Warranty") for 1995 and later model
year California utility and lawn anogarden equipment engines (for other states,
1997 and later model year engines):
A. APPLICABILITY: This warranbty shall apply to 1995 and later model year
California utility and lawn and garden equipment engines (for other states 1997
and later model year engines). The ECS Warranty Period shall begin on the date
the new engine or equipment is delivered to its original, end-use pumhaser, and
shall continue for 24 consecutive months thereafter.
B. GENERAL EMISSIONS WARRANTY coVERAGE: Sears, Roebuck and Co.
warrants to the original, end-use purchaser of the new enine or equipment and
to each subsequent purchaser that each of its utility and Ilawn and garden
equipment engines is:
1. Designed,builtand equippedso as to conformwith all applicable
regulationsadopted bythe Air Resources Boardpursuantto itsauthority
in Chapters 1 and 2, Part 5, Division26 of the Health and Safety Code,
and
2. Free from defects in materials and workmanship which, at an_' time
during the ECS Warranty Period, will cause a warranted emissmns-relateq
part to fail to be identical in all material respects to the part as described
in the engine manufacturer's application for certification,
C, The ECS Warranty only pertains to emissions-relateq parts on your engine,
as follows:
1. Any warranted, emissions-related parts which are not scheduled for
replaoement as required maintenance in the Owner's Manual shall be
warranted for the ECB Warranty Period. If any such part fails dudn_g the
ECS Warranty Period, it shall be repaired or replaced by Sears, Roebuck
and Co. according to Subsection 4 below. Any such part repaired or
replaced under the ECS Warranty shall be warranted for any remainder of
the ECS Warranty Period.
2. Any warranted, emissions-related pert which is scheduled only for regular
inspection _.s specified in the Owner's Manual shall be warranted for the
ECS Warranty Period. A statement in such wdtten instructions to the
effect of *repair or replace as necessary", shall not reduce the ECS
Warranty Period. Any such part repaired or replaced under the ECS
Warranty shall be warranted for the remainder o1 the ECS Warranty
Pedod.
3, Any warranted, emissions-related part which is scheduled for replacement
as reequired maintenance in the Owner's Manual, shall be warranted for the
period of time pdor to the first scheduled replacement point for that part.
If the bert fails prior to the first scheduled replacement the pert shall be
repaired or replaced by Sears, Roebuck and Co. according to Subsection
4below. Any such emissions-related part repaired or replaced under the
ECS Warranty, shall be warranted for tile remainder of the ECS Warranty
Period prior to the first scheduled replacement point for such emissions-
related part.
4. Repair or replacement of any warranted, emissions-relateq part under this
ECS Warranty shall be performed at no charge to the owner at a Sears,
Roebuck and CO. Authorized Service Outlet.
5. The owner shall not be charged for diagnostic labor which leads to the
determination that a part covered by the ECS Warranty is in fact
defective, provided that such diagnostic work is performed at a Sears,
Roebuck and CO. Authorized Service Outlet.
6. Sears, Roebuck and Co. shall be liable for damages to other original
engine components or approved modifications proximately caused boya
failure under warranty of an emission-relateq part covered by the EC_S
Warranty.
7. Throughout the ECS Warranty Period Sears Roebuck and Co. shaU
maintain a supply of warranted emission-relateq parts sufficient to meet
the expected demand for such emission-related parts.
8. Any Sears, Roebuck and Co. authorized and approved emission-related
replacement part rn_y be used in the performance of any ECS Warranty
maintenance or repair and will be provided without charge to the owner.
Such use shall not reduce Sears, Roebuck and Co. ECS Warranty
obligations.
Unapproved add-on or modified parts may not be used to modility or
repair a Sears, Roebuck and Co, engine. Such use voids this E_S
0Warranty and shall be sufficient grounds for disallowing an ECS Warranty
claim. Sears, Roebuck and Co. shall not be liable hereunder for failures
of any warranted parts of a Sears, Roebuck and Co. engine caused by
the use of such an unaberovsd add-on or modified part.
EMISSION-RELATED PARTS INCLUDE THE FOLLOWING:
1. Carburetor Assembly and its Internal Components
a) Fuel filter
b) Carburetor gaskets
c) Intake pipe
2, Air Cleaner Assembly
a) Air filter element
3. Ignition System, including:
a) Spark plug
b) Ignition module
c) Flywheel assembly
4. Catalytic Muffler (if so equipped)
a) Muffler gasket (if so equipped)
b) Exhaust manifold (if so equipped)
5, Crankcase Breather Assembly and its Components
a) Breather connection tube
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.
Page 6
7.22,97 EPA/CARB
181-1190-11
CRAFTSMAN 4-CYCLE ENGINE MODEL: 143.993506
400
1&5
120 119
3700
126
125
/
182
185
/
178
.Q-370K
•39O
,287
1285
3O
46
298
Q'_292
Q\292
"3O5
•3o6
Page 7 181-1190-11
CRAFTSMAN 4-CYCLE ENGINE MODEL:143.993506
Ref.
No.
1
2
6
7
12
12A
12B
14
15
16
17
18
19
2O
3O
40
40
40
41
41
41
42
42
42
43
45
46
48
5O
52
69
7O
72
72A
73
75
8O
81
82
83
86
89
90
92
,'030
101
163
110
119
120
125
126
130
135
150
Part
No.
37280
26727
33734
36557
36775
36558
36694
28277
30589
34839A
31335
851018
36281
32600
37141
35544A
35545A
35546
35541
35542
35543
35547A
35548A
35549
20381
36777
32610A
27241
37032
29914
"35261
34311E
30572
28534
28833
27897
30574A
30590A
30591
30588A
650488
611004
611112
650815
650816
34443B
610118
651007
36230
*37028
36825
37288
37289
6021A
35395
31672
Ref. Pa_
Pa_ Name No. No.
Cylinder (Incl. 2,20 & 150) 151 31673
Dowel Pin 151A 40017
Breather Element 169 *36783
Breather Ass'y. (Incl. 6 & 12A) 172 36784
Breather Tube 174 30200
Breather Cover & Tube (Incl. 12B) 178 29752
Breather Tube Elbow 179 30593
Washer 182 6201
Governor Rod (Incl. 14) 184 *26756
Govemor Lever 185 36785,
Governor Lever Clamp 186 34337
Screw, Torx T-15, 8-32 x 19/64 •200 35727
Extension Spring 202 36482
Oil Seal 203 31342
Crankshaft 204 651029
Piston, Pin & Ring Set (Std.) 205 651019
Piston, Pin & Ring Set (.010 =OS) 206 610973
Piston, Pin & Ring Set (.020" OS) 207 34336
Piston & Pin Ass'y. (Std.) (Incl. 43) 209 30200
Piston & Pin Ass'y. (.010 • OS) (Incl. 215 32410
43) 223 650451
Piston & Pin Aas'y. (.020 •OS) (Incl. 224 *36786
43) 238 650932
Ring Set (Std.) 239 *34338
Ring Set (.010 •OS) 241 35797
Ring Set (.020" OS) 245 •35066
Piston Pin Retaining Ring 250 35065
Connecting Rod Ass'y. (Incl. 46) 260 36980
Connecting Rod Bolt 261 30200
Valve Lifter 262 650831
Camshaft (NCR) 275 36790A
Oil Pump Ass'y. 277 650988
Mounting Flange Gasket 285 35000A
Mounting Flange (Incl. 72 thru 83, 287 650926
306) 290 29774
Oil Drain Plug (Incl. 73) 292 26460
Oil Drain Plug 298 28763
Drain Plug Gasket 300 36916
Oil Seal 301 36246
Govemor Shaft 305 35647
Washer i306 36996
Governor Gear Ass'y. (Incl. 81) ,307 35499
Governor Spool 309 650562
Screw, 1/4-20 x 1-1/4" 310 35648
Flywheel Key 313 34080
Flywheel 325 37'152
Belleville Washer 370A 36261
Flywheel Nut 370B 35169
Solid State Ignition 370C 37199
Spark Plug Cover 370K 36695
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 Name
Valve Spdng Cap
Intake Valve Seal
Valve Cover Gasket
Valve Cover
Screw, 10-24 x 9/16"
Nut & Lock Washer, 1/4-28
Retainer Clip
Screw, 1/4-28 x 7/8"
Carburetor To Intake Pipe Gasket
Intake Pipe
Govemor Link
Control Bracket (Incl. 202 thru 206)
Coml_ression Spring
Compression Spring
Screw, Torx T-10, 5-40 x 7/16"
Screw, Torx T-10, 6-32 x 41/64"
Terminal
Throttle Link
Screw, 10-24 x 9/16"
Control Knob
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 Line
Fuel Line Clamp
Screw, 10-32 x 35164"
Fuel Tank (Incl. 292 & 301)
Fuel (3ap
Oil Fill Tube
"O"-Ring
"O"-Ring
Screw, 10-32 x 3/8"
Dipstick
Spacer
Spdng Clip
Lubdcation Decal
Control Decal
Primer Decal
Starter Decal
*Indicates Parts Included in
Gasket Set, Ref. No. 400.
Page 8 181-1190-11
CRAFTSMAN 4-CYCLE ENGINE MODEL:143.99350
Ref. Pad
No. No.
380 640156
390 590732
400 37029A
416 36085
417 650821
Ref.
Part Name No.
Carburetor (Incl. 184)
Rewind Starter
I(NOTE: This engine could have
been built with 590738 starter).
Gasket Set (Incl. Items Marked *)
Spark Arrestor Kit (Incl. 417)
(Optional)
Screw, 10-32 x 1/2" (Optional)
900
900
Part
No.
181-1190-11
Part Name
ReplacementEngine 750822A,
orderfrom71-999
ReplacementShort BlockNONE
Operator'sManual
*IndicatesParts Includedin
GasketRef. No. 400.
RPM High2700 to 3000
RPM Low2400 to 2700
:ARBURETOR NO. 640156
18.
i
"20A
/
/
/
_60
Jl
/
/
Ref, Pa_
No. No. Pa_Name
640156
1
2
4
5
6
7
16
17
18
20
20A
25
27
28
29
30
31
35
36
36A
37
40
44
47
48
6O
631615
631767
*631184
.631_183
640070
*650506
631807
651025
630766
640016
64O053
631867
"631024
632019
*631028
*631021
631022
36045A
632735
632766
*632547
640157
27110A
*630748
(631O27
632760
Carburetor (Incl. 184 of Engine Parts
List)
Throttle Shaft &Lever Assembly
Throttle Return Spring
Dust Seal Washer
Dust Seal (Throttle)
Throttle Shutter
Shutter Screw
Fuel Fitting
Throttle Crack Screw/Idle Speed Screw
Tension Spring
Idle Rastrictor Screw
Idle Rsstrictor Screw Cap
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, Atmospheric Vent
Repair kit (Incl. Items Marked *)
Page 9 181-1190-11
:IEWlND STARTER NO. 590732
-11
12
@_r 5
O_2
Ref. Part
No. No. Pert Name
1
2
3
4
5
6
7
8
11
12
13
590732
590599A
590600
590696
59D601
590697
590698
590699
590700
590695
590535"
590701
Rewind Starter
Spring Pin (Incl. 4)
Washer
Retainer
Washer
Brake Spdng
Starter Dog
Dog .Spdng
Pulley Ass'y. (Incl. 9 & 10)
Starter Housing Ass'y, (40 degree
grommet)
Starter Rope (Length 98" x 9/64' dia.)
Starter Handle
;TARTER NO. 590735
_--14
13
\I1
12
Ref.
No.
3
6
7
8,
11
12
13
14
Part
No.
590738
590740
590616
590617
590618A
590687A
590535
590701
590741
Pert Name
,,
Rewind Starter (Optional)
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,)
Starter Handle
Locking Tab
Page 10 181-1190-11
operator's
manual
MODEL NO. 143.993506
3.5 RESERVE POWER
10 CUBIC INCH (163 cc)
DISPLACEMENT
SOLID STATE IGNITION
CAUTION:
Read RULES for
Safe OPERATION
and INSTRUCTIONS
Carefully
How to ORDER Repair Parts
The Model Number can be found ona decal on the blower housing
(See Figure 1). Always mention the Model Number when request-
ing service or repair parts for your Craftsman Engine.
All parts listed heroin may be ordered from any SEARS, ROE-
BUCK AND CO. or SEARS CANADA, INC. retail or catalog store.
If the parts you need are not stocked locally, your order will be
electronically transmitted to a Sears Repair Parts Distribution
Center for expedited handling.
WHEN ORDERING REPAIR PARTS, ALWAYS GIVE THE
FOLLOWING INFORMATION AS SHOWN IN THIS LIST.
1. The PART NUMBER
2. The PART DESCRIPTION
3. The MODEL NUMBER
4. The NAME OF ITEM -ENGINE
"YourSears merchandisehas added value whenyou considerthat Sears has
serviceunitsnationwidestaffedwith Sears trainedtechnicians..,professional
techniciansspecificallytrainedon Sears products,havingthe parts,toolsand
equipmenttoinsurethatwe meetour pledgeto you... we servicewhatwe sell."
Sold by SEARS, ROEBUCK AND CO., CHICAGO, IL 60684 U.S.A.
and SEARS CANADA, INC., TORONTO, ONTARIO, CANADA
181-1190-11
