Craftsman 143993503 User Manual ENGINE Manuals And Guides L9060203

CRAFTSMAN Engine Manual L9060203 CRAFTSMAN Engine Owner's Manual, CRAFTSMAN Engine installation guides

User Manual: Craftsman 143993503 143993503 CRAFTSMAN ENGINE - Manuals and Guides View the owners manual for your CRAFTSMAN ENGINE #143993503. Home:Lawn & Garden Parts:Craftsman Parts:Craftsman ENGINE Manual

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operator's
manual

MODEL NO. 143.993503
SOLID STATE IGNITION

ENGIN
CAUTION:
• Operating

Read RULES for
Safe OPERATION

• Maintenance

and INSTRUCTIONS
Carefully

• Repair Parts

WARNING:

California Proposition 65
known to the State of California

a'he engine exhaust from this product contains chemicals
to cause cancer, birth defects or other reproductive harm.

I
I

Sold by SEARS, ROEBUCK AND CO., CHICAGO, IL 60684 U.S.A.
and SEARS CANADA, INC., TORONTO, ONTARIO, CANADA
Printed in U.S.A.

3-1-99

181-1200-11

,"STOPSWITCH
FUELFILLCAP

IIIIIIIIH lllinlt

SPARKPLUG

SPARKPLUGWIRE

MODEL AND
D.O.M. DECAL

FUELTANK

FILLPLUGANDDIPSTICK

AIR C

LEVER

INTAKE
SCREEN

01LDRAINPLUG

STARTER
HANDLE

Figure1

PERSONAL SAFETY AND/OR PROPERTY OF YOURSELF AND OTHERS. READ AND FOLLOW ALL INSTRUCTIONS IN THIS
THIS
SYMBOLANY
POINTS
OUT IMPORTANT
SAFETY INSTRUCTIONS
WHICH ISUSED
IF NOT BEFOREAI-rEMPTING
FOLLOWED COULD ENDANGER
THE
MANUALAND
PROVIDED
WITHTHE EQUIPMENTON
WHICH THIS ENGINE
TO OPERATING.

MAY APPEAR ON
THE ENGINE:
J THESE SYMBOLS

FAST

(_
STOP

SLOW

ENGINES WHICH ARE CERTIFIED TO COMPLY WITH CALIFORNIA AND US EPA EMISSION REGULATIONS FOR ULGE ENGINES:
Are certified to operate on regular unleaded gasoline.
Include the following emission control system(s): EM, TWC (if so
equipped); Do not include any user adjustable features - therefore no
other adjustments are needed.

OIL & FUEL RECOMMENDATIONS
TO OPERATE ENGINE, YOU WILL NEED THE FOLLOWING:
(_A

CLEAN, HIGH QUALITY, DETERGENT
Be sure odginal container is marked:

OIL.

A.P.I. service "SF'-"SJ".

IMPORTANT

BEFORE

READ ALL INSTRUCTIONS PROVIDED WITH THE
EQUIPMENT ON WHICH THIS ENGINE IS USED.

TO FILL

CHECK

OIL

LEVEL:

- Oil level is between "FULL" and "ADD" marks on dipstick.

- Oil fill plug is tightened securely into oil fill tube or hole,
CHECK OIL LEVEL OFTEN DURING ENGINE BREAK-IN.
A, POSITION EQUIPMENT SO ENGINE IS LEVEL.
B, Clean area around oil fill plug (see Figure 1).
C. Remove oil fill plug and dipstick.
D. Wipe dipstick clean, insert it into oil fill hole and tighten
securely. Remove dipstick. If oil is not up to "FULL" mark
on dipstick, add recommended oil. POUR SLOWLY. Wipe
dipstick clean each time oil level is checked.
IMPORTANT:
DO NOT FILL ABOVE "FULL" MARK ON
DIPSTICK.
E. Install oil fill plug and dipstick, tighten securely.

.56 liter

NOTE: Usa clean oil and fuel and store in approved, clean
covered containers. Use clean fill funnels.

OIL SUMP

IMPORTANT: To avoid engine damage never run engine unless:

21 ounces (1-1/4 pints)

FRESH, CLEAN, UNLEADED
REGULAR, 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 special care when engine
is unused for extended periods. Sea "STORAGE" instructions on
Page 4.

STARTING

(SAE 10W is an acceptable substitute.)

(_A

_1
CHOKE

El
FULL

KEEP THIS MANUAL HANDY AT ALL TIMES FOR FUTURE
REFERENCE.
READ IT CAREFULLY
AND FAMILIARIZE
YOURSELF WITH THE OPERATING, MAINTENANCE AND
SAFETY INSTRUCTIONS. THIS MANUAL ALSO CONTAINS
A COMPLETE PARTS LISTING.

FOR SUMMER (ABOVE 32°F; 0°C) USE SAE 30 OIL.
Using multigrade oil will increase oil consumption.
FOR WINTER (BELOW 320F; 0°C) USE SAE 5W30 OIL.
OIL SUMP CAPACITY:

OFF
i._1

See =MAINTENANCE" section for any future oil level and oil change
instructions (see Page 3).

Never use=stale" gasolineleftover from last seasonor stored
for long pedods.
Page 1

181-1200-11

BEFORE STARTING (Continued)

STOPPING

(_) FILL FUELTANKwithgasolineasspecifiedinthepreceding
=OIL & FUEL RECOMMENDATIONS," item 2.

Move equipment control or any ignition stop switch on engine
to STOP or OFF (see equipment manufacturer's instructions).
(_ Push stop switch (if so equipped see Figure 1) located next to
spark plug on engine against spark plug and hold it in this
position until engine is completely stopped.
I_) AFTER ENGINE IS STOPPED:

NEVER MIX OIL WITH GASOLINE
Never use "stale" gasoline left over from last season or stored for
long periods.
_IL

NEVER
FILL ENGINE
FUEL TANK
INDOORS,
NEVER
FILLSMOKE
FUEL I
TANK WHEN
IS RUNNING
OR HOT.
DO NOT
WHEN FILLING FUEL TANK.

DISCONNECT SPARK PLUG WIRE FROM SPARK PLUGI
AND KEEP IT AWAY FROM SPARK PLUG.
.J

_IL

NEVER FILL
FUEL TANK
COMPLETELY.
TANK TO
1/2"
BELOW
BO'I'rOM
OF FILLER
NECK TO FILL
PROVIDE
SPACE

_liB.

TURN,
KEY (IFKEY
SO FROM
EQUIPPED)
TO II
OFF IGNITION
POSITION SWITCH
AND REMOVE
SWITCH,
THIS WILL REDUCE THE POSSIBILITY OF UNAUTHO-

FOR FUEL
EXPANSION.
ANY FUEL
SPILLAGE
FROM
ENGINE
AND
EQUIPMENTWIPE
BEFORE
STARTING
ENGINE.

RIZEDIN STARTING
NOT
USE.
_bANY
LIQUEFIED PETROLEUM (LPG) OR NATURAL GAS I
FUEL SYSTEM MUST BE LEAKPROOF AND MEET ALL
APPLICABLE CODES AND REGULATIONS.

CHECK
A.
_lL

THE FOLLOWING:

BE SURE EQUIPMENT IS IN NEUTRAL GEAR WITHI
CLUTCHES, BELTS, CHAINS AND SAFETY SWITCHES I
DISENGAGED.
(FOLLOW
EQUIPMENT
MANUFAC- I

URER'S SWITCHES
INSTRUCTIONS).
THIS
SHOULD PosmoN.
PLACE ANY
SAFETY
IN SAFE
STARTING

Be sure spark plug wire is attached to spark plug (see Figure

Be sure stop switch next to spark plug is not contacting spark
plug (see Figure 1).

Be sure any ignition switch on engine or equipment is in ON,
RUN or START position.

NEVER RUN ENGINE
OR IN ENCLOSED,
POORLY
VENTILATED
AREAS. INDOORS
ENGINE EXHAUST
CONTAINS
CARBON MONOXIDE, AN ODORLESS AND DEADLY GAS (CARBON MONOXIDE IS ALSO PRESENT IN ENGINE EXHAUST
FROM LIQUID PETROLEUM (LPG) AND NATURAL GAS
FUEL SYSTEMS).

CHECK

OIL LEVEL:

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 running.

,_A.

WARNING: TEMPERATURE
OF MUFFLER AND NEARBY I
AREAS MAY EXCEED 150°F (65°C). AVOID THESE AREAS. J

WITH

I
I
I
I

Check oilleveleveryfive(5) operatinghoursor eachtimeengine
is used.See "_) CHECK OIL LEVEL"in =BEFORESTARTING"
on Page 1.
CHANGE OIL:

_KEEPFROM HANDS,
ANY MOVING
FEET, PARTS
HAIR AND
ON ENGINE
LOOSE AND
CLOTHING
EQUIPMENT.
AWAY

ENGINE

NEVER STORE ENGINE WITH FUEL IN TANK INDOORS
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.

_kWARNING:
TEMPERATURE
OF MUFFLER AND NEARBY I
AREAS MAY EXCEED 150°F (65eC), AVOID THESE AREAS,!

STARTING

,_k

MAINTENANCE

1).

OF ENGINE WHILE EQUIPMENT

PRIMER

1) Move controllever to "FAST" or "START" (see equipment
manufacturer's instructions).
2) The carburetoron yourenginehas bsencompletelyadjusted
at thefactory. When startinga coldengine,pushred pdmer
bulbflrrnly with your thumb 5 times, allowingprimerbulb
to return completelyto original positionbetween,pushes.
Repeat the above for each starteroperationas necessary.
NOTE: DO NOT USE PRIMER TO RESTART A WARM
ENGINE AFTER A SHORT SHUTDOWN.
3) a) RECOIL STARTERS: Grasp starterhandle(figure 1) and
pull rope out slowly until you feel drag. Let rope rewind
slowly. Pull rope with rapid, full arm stroke. Return rope
slowlyto odginalposition.
NOTE: If enginefails to startafterthroe pulls,repeat step
2 above.

DISCONNECT
SPARKFROM
PLUGSPARK
WIRE FROM
SPARK PLUG
AND KEEP T AWAY
PLUG.

Position equipment so engine oil drain plug is lowest point on
engine.

Remove oil drain plug and oil fill plug to drain oil.

Replace oil drain plug and tighten securely.

Fill oil sump with recommended oil. See "OIL & FUEL
RECOMMENDATIONS" and =CHECK OIL LEVEL" on Page
1.

F. Replace oilfill plug and tighten securely.
G. Connect spark plug wire to spark plug.

Page 2

PRIMER

Figure 2

181-1200-11

MAINTENANCE
(_

MAINTENANCE

(Continued)

AIR CLEANER:

PLUG (see Figure4):

This spark ignitionsystemmeets all requirementsof the Cana
dianInterference-CausingEquipmentRegulations.Thisengine
complies withall currentAustralianand New Zealand limitiation
regardingelectromagneticinterference.

IMPORTANT: NEVER RUN ENGINE WITHOUT COMPLETE
AIR CLEANER INSTALLED ON ENGINE.
A.

SPARK

(Continued)

TO SERVICE PAPER FILTER (see Figure3):
DO NOT ATTEMPT TO CLEAN OR OIL FILTER.

Check spark plugyeedy or every 100 operatinghours.
A. Clean area aroundspark plug.

Replace once a year or every 100 operatinghours,more
often if used in extremelydusty conditions.
Replacementfilters are available at any nearbySears
Roebuckand Co. (or Sears Canada, Inc.) ServiceCenter.
B. TO REMOVE AND INSTALL FILTER:

Remove and inspectspark plug.

Replacespark plug if electrodesare pitted,bumed or
porcelainis crackad. For replacementuse Champion
RCJ-8.

1. Loosentwo (2) cover screws(these need not be
removed completely).

NOTE: A resistorspark plug mustbe used for replacement.

2. Turn cover counterclockwiseand remove it and paper
filterfrom base. Discardpaper filter.
3. Clean inside of base and cover thoroughly.
4. Insert new paper filter intocover and reassemble
cover to base as it was before removal.Tightencover
screwssecurely.

Check electrodegap withwire feeler gauge and set gap
at .030 if necessary.

Installspark plug, tightensecurely.

TURNCOVERTO
THELEFT
(COUNTERCLOCKWISE)TO
REMOVE

POCELAIN

Figure 4

(_)
RETAINER
SLOT

'TURN
COVER
TO
THERIGHT
(CLOCKWISE)TO
TIGHTEN

COOLING

SYSTEM:

IMPORTANT:
Frequently remove any grass clippings, dirt
and debds from cooling fins, air intake screen and levers and
linkage (see Figure 1). This will help ensure adequate cooling
and correct engine speed.
CHECK ENGINE AND EQUIPMENT OFTEN FOR LOOSE
_

NUTS,
AND A'I-I'ACHMENTS
ITEMS BOLTS
TIGHTENED.

AND KEEP THESE

COVERJ

ADJUSTMENTS
Figure3

DO NOT MAKE UNNECESSARY ADJUSTMENTS. FACTORY
SE'I-rlNGS ARE SATISFACTORY FOR MOST APPLICATIONS
AND CONDITIONS. IF ADJUSTMENTS ARE NEEDED, PROCEED AS FOLLOWS:

(_
_

ENGINE

SPEED:

NEVER TAMPER WITH ENGINE GOVERNOR WHICH IS FACTORY SET FOR PROPER ENGINE SPEED. OVERSPEEDING
ENGINE ABOVE FACTORY HIGH SPEED SE'I'RNG CAN BE
DANGEROUS.

FOR ANY MAJOR ADJUSTMENTS OR REPAIRS, CONTACT
YOUR NEARBY SEARS ROEBUCK AND CO. (OR SEAR,_
CANADA, INC.) SERVICE CENTER.

Page 3

181-1200-1

STORAGE
,_

NEVER STORE ENGINE WITH FUEL IN TANK INDOORS 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.
J

DRAIN

B.
C.
_ib

FUEL SYSTEM:

Remove all gasoline from carburetor and fuel tank to prevent
gum deposits from forming on these parts and causing possible
malfunction of engine.
,_

OIL CYLINDER
A.

IF ENGIN E IS TO BE UNUSED FOR 30 DAYS OR MORE, PREPARE
AS FOLLOWS:

CHANGE OIL:
Change oilifit hasnot beenchangedinthe lastthree (3) months.
See "CHANGE OIL" instructionsin "MAINTENANCE"section,

DRAIN FUEL INTO APPROVED CONTAINER OUTDOORS,]
AWAY FROM OPEN FLAME. BE SURE ENGINE IS COOL. DO |
L NOT SMOKE.
J
Run engine until fuel tank is empty and engine stops due to lack
of fue!.

NOTE: Fuel stabilizer (such as STA-BIL) is an acceptable
alternative in minimizingthe formationof fuel gum
depositsduringstorage. Add stabilizerto gasolinein
fuel tank or storagecontainer:Alwaysfollow mix ratio
found on stabilizercontainer.Run engine at least 10
minutes after adding stabilizer to allow it to reach
carburetor.

D.
(_

BORE:

Remove spark plug. Squid one (1) oz. (30 ml) of clean
engine oil into spark plug hole.
Cover spark plug hole with a rag.
Crank engine over, slowly, several times.
AVOID SPRAY FROM SPARK PLUG HOLE WHEN
CRANKING ENGINE OVER SLOWLY.

Installspark ptug. Do not connectspark plug wire.

CLEAN

ENGINE:

Remove any clippings,did, or chafffrom exteriorof engine.
GENERAL
Justas yourautomobileneedsprofessionalmechanicalmaintenance
from time to time, so does yourCraftsmanengine. Replacementof
the spark plugand air cleaner is made necessaryby NORMAL use.
ProfessionalAir-CooledEngine Service is as close as yournearest
Sears Roebuckand Co. (or Sears Canada, Inc.) Service Center.
A yearly check-up or tune-up by Sears is a good idea to avoid
breakdownsor delay.., do it at the end of the season,then you're
ready for the next. We even prepare it for storagefor you.

Page 4

181-1200-11

TROUBLESHOOTING

THE FOLLOWING
MAY HELP AVOID A DELAY IN YOUR WORK
SAVE THE EXPENSE OF A SERVICE CALL.

ENGINE FALLS TO START OR STARTS WITH DIFFICULTY
CAUSE

REMEDY

Controlsnotin startposition.

Move ENGINE CONTROL or equipmentcontrolto "HI"or
START postion. See "STARTING' instructionsin this
manual.

Sparkplug wire disconnectedfrom sparkplug.

Connect SPARK PLUG WIRE to SPARK PLUG.

Sparkplug fouled.

Remove SPARK PLUG and clean it. See 'SPARK PLUG'
instructionsin "MAINTENANCE' sectionin this manual.

Spark plugpomelaincracked.

Install new spark plug.

Insufficientfuel.

Fill FUEL TANK per "BEFORE STARTING" instructions.

Water or dirtin fuel.

Drain FUEL TANK and re-fillwith clean, fresh gasoline. See
"BEFORE STARTING" instructionsin this manual.

Impropercarburetoradjustment

Adjustcarburetor(if applicable). See "ADJUSTMENTS"
sectionin this manual.

ENGINE LACKS POWER
CAUSE

REMEDY

Dirtyair cleaner.

Replace or clean air cleaner per "AIR CLEANER"
instructions in "MAINTENANCE' section in this manual.

Impropercarburetoradjustment.

Adjustcarburetor (if applicable). See "ADJUSTMENTS=
sectionin this manual.

Lackof lubricaiton.

Filloil sumpto properlevel. See "BEFORESTARTING"
instructionssectionin this manual.

ENGINE MISSES UNDER LOAD
CAUSE

REMEDY

Spark plugfouled,

Remove SPARK PLUG and clean it. See "SPARKPLUG"
instructionsin "MAINTENANCE" sectionin this manual.

Spark plugpomelaincracked.

Installnew SPARK PLUG.

Improperspark pluggap.

RegapSPARK PLUG electrodes. See "SPARK PLUG"
instructionsin "MAINTENANCE"sectionin this manual.

Impropercarburetoradjustment

Adjustcarburetor(if applicable). See "ADJUSTMENTS"
sectionin this manual.

Page 5

181-1200-11

SEARS,

Federal

and Califomia
Utility

ROEBUCK

Emission

AND CO.

Control

and Lawn and Garden

CALIFORNIA
& US EPA EMISSION CONTROL
WARRANTY STATEMENT
The U. S. Environmental Protectldn Agency =EPA') the California 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 andlater utility and lawn and
arden equipment engines must be designed, built and equipped to meet the
_tata's stringent anti-sm%l standards, in other states, new 1997 and later model
year engines must be des=gned, built and equipped, at the time of 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.

Engines

Free from defects in materials and workmanship which, at any time during
the ECS Warranmty Period, will cause a warranted emissions-related part to
fail to be identical in all material respects to the part as described in the
engine manufacturer's application for certificatldn.

C. The ECS Warranty only pertains to emissldns-related
fctlows:

parts on your engine, as

Any warranted, emissions-related parts which are not scheduled for
replacement as required maintenance in the Owner's Manual shall be
warranted for the ECS Warranty Period. I1 any such part fails during the
ECS Warranty Pedod, it shall be repaired or replaced by Sears, Roebuck
and Co. according to Subsection 4 below. Any such pad repaired or
replaced under the ECS Warranty shall be warranted for any remainder of
the ECS Warranty Period.

SYSTEM
2.

Emission control systems on 1995 and later model year California utilility=andlawn
and garden equipment engines are warranted for two years as hereinafter noted.
ld other states, t997 and later medel year engines are also warranted for two
years, if, during such warranty period, any emission-related part on your engine is
defestive in materials or workmanship, the part will be repaired or replaced by
Sears, Roebuck and Co.
WARRANTY

Warranty

1. Designed, built and equipped so as to conform with all applicable
regulations adopted by the Air Resources Board pursuant to its authority in
Chapters 1 and 2, Part 5, Division 26 of the Health and Safety Code, and

Wbete a warrantable condition exists, Sears, Roebuck and CO. will repair your
utility or lawn and garden equipment engine at no cost to you for diagnosis, parts
and labor.

OWNER'S

Limited

B. GENERAL EMISSIONS WARRANTY COVERAGE:
Seam, Roebuck and Co.
warrants to the original, end-use purchaser of the new engine or equipment and to
each subsequent purchaser that each of its utility and lawn and garden equipment
engines is:

Your emission control system may include parts such as the carburetor, ignition
system and exhaust system. Also included may be the compression release
system and other emlssion-rstated assemblies,

MANUFACTURER'S
EMISSION CONTROL
WARRANTY COVERAGE

Systems

Any warranted, emissions-related part which is scheduled only for regular
inspection as 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 repJace as necessary', shall not reduce the ECS
Warranty Pedod. Any such part repaired or replaced under the ECS
Warranty shall be warranted for the remainder of the ECS Warranty
Period.
Any warranted, emissions-related part whish is scheduled for replacement
as required maintenance in the Owner's Manual, shall be warranted for the
period of time prior to the first scheduled replacement point for that pprt. ff
the part fails pdor to the first scheduled replacement, the part shall be
repaired or replaced by Sears, Roebuck and Co. according lo Subsection 4
below. Any such emissioss-reldted part repaired or replaced under the
ECS Warranty, shall be warranted for the remainder of the ECS Warranty
Period prior to the first scheduled replacement point for such emissionsrelated part.

RESPONSIBILITIES

AS the ofi_ity 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 of the performance of all scheduled
matntenance.
As the utility or lawn and garden equipment engine owner, you should, however,
be aware that Sears, Roebuck and Co. may deny you warranty coverage if your
utility or lawn and garden equipment or a part thereof has faired due to abuse,
neglect, improper maintenance or unapproved modifications.

Repair or replacement of any warranted, emissions-related part under this
ECS Warranty shall be performed at no cha_ge to the owner at a Sears,
Roebuck and Co. Authorized Service Outlet.

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.

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.

Warranty service can be arranged by contacting either a Seam, Roebuck and Co.
Authorized Service Outlet, or by contacting Sears, Roebuck and Co. at 1-8GO-4737247.

IMPORTANT

NOTE

This warranty statement explains your rights and obligations under the Emission
Control System Warranty ('ECS Warranty') which is provided to you by Seam,
Roebuck and Co. pursuant to California law. See also the Sears Roebuck and
CO, L mited 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 any conflict in terms between the ECS Warranty and the
Sears, Roebuck and Co, Warranty the ECS Warranty shall apply except in any
circumstances in which the Seam, Roebuck and Co. Warranty may provide a
longer warranty period. Both the ECS Warranb/and
the Sears, Roebuck and Co,
Warranty describe important rights and obligahons 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 odgmal purchaser. The purchaser shall pay
any cberges for making service calls and/or for transportldg the prroducts to and
from the place where the inspection and/or warranty work is performed. The
purchaser shall be responsible for any damalge or loss incurred in 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 rights and responsibilities, you
should contact Sears, Roebuck and Co. at 1-800-473-7247.
EMISSION

CONTROL

SYSTEM

WARRANTY

Emission Control System Warranty "ECS Warranty" for 1995 and later model
year California utility and lawn and garden equipment engines (for other states,
1997 and later model year engines):
A. APPLICABILITY:
This warranlty shstl 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 Pedod shall begin on the date
the new engine or equipment is dstiveted to its original end-usa purchaser
and
shall continue for 24 consecutive months thereafter.

Sears, Roebuck and Co. shall be liable for damages to other odginal
engine components or approved modifications proximately caused by a
failure under warranty of an emission-related part coveredby the ECS
Warranty.

7. Throughout the ECS Warranty Period, Sears, Roebuck and Co. shall
maintain a supply of warranted emissldn-relatad parts sufficient to meet
the expected demand for such emission-related pads.
8. Any Sears, Roebuck and Co. authorized and approved emission-reldted
replacement part may be used in the performance of any ECS Warranty
maintenance or repair and will be provided without charrgetto the owner.
Such use shall not reduce Sears, Roebuck and Co. ECS Warranty
obligations.
9. Unapproved add-on or modified parts may not be used to modify or repair
a Seam, Roebuck and Co, engine. Such use voids this ECS Warranty and
shall be sufficient grounds for disallowing an ECS Warranty claim, Sears,
Roebuck and Co. shall not be liabld hereunder for failures of any warranted
pads of a Sears, Roebuck and Co, engine caused by the use of such an
unapproved 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
Page 6

Estates, IL 60179

U.S.A.
181-1200-1

CRAFTSMAN

4-CYCLE ENGINE

MODEL:143.993503

,313

'_' '262

>
223
285
93

287

370K

250_.

Page 7

181-1200-11

CRAFTSMAN 4-CYCLE ENGINE
Ref.
No.

Part
No.

1
2
14
15
16
17
18
19
20
25
25A
26
26A
30
40
40
41
41

36591
26727
28277
31334
31336
31335
651018
34593
32600
36552
35883
650802
650926
37336
40020
40021
40018
40019

42
42
43
45

40022
40023
20381
30963B

46
48
49
5O
60
65
69
70
72
75
8O
81
82
83
86
59
90
92
93
100
1O2
103
110
119
120
125
125
126
130
130A
132
135
150
151
151A
189

32610A
27241
28594
32197A
29745
650128
"27677A
34683B
27642
26208
30574A
30590A
30591
30588A
650488
610961
611195
650815
650816
34443B
651024
851007
35182
*36437
36438
36471
36472
293140
650694A
6021A
850708
33636
31672
31673
40016A
"27234A

Ref.
No.

Part Name
Cylinder (Incl. 2, 20, 72 & 125)
Dowel Pin
Washer
Governor Rod
Governor Lever
Governor Lever Clamp
Screw, Torx "1"-15,8-32 x 19/64"
Extension Spring
Oil Seal

170
171
172
173
173A
174
178
179
182

Blower Housing Baffle (Incl. 262)
Baffle Extension
Screw, 1/4-20 x 5/8"
Screw, 8-32 x 21/64"
Crankshaft

184
185
186
200
203

Piston, Pin & Ring Set (Std.)
Piston, Pin & Ring Set (.010' OS)
Piston & Pin Ass'y. (Std.) (Incl. 43)
Piston & Pin Ass'y. (.010" OS) (Incl.
43)
Ring Set (Std.)
Ring Set (.010" OS)
Piston Pin Retaining Ring
Connecting Rod Ass'y. (Incl. 46 &
49)
Connecting Rod Bolt
Valve Lifter
Oil Dipper
Camshaft (MCR)
Blower Housing Extension
Screw, 10-24 x 1/2=
Cylinder Cover Gasket
Cylinder Cover (Incl. 75 thru 83)
Oil Drain Plug
Oil Seal
Governor Shaft
Washer
Governor Gear Ass'y. (Incl. 81)
Governor Spool
Screw, 1/4-20 x 1-1/4"
Flywheel Key
Flywheel
Belleville Washer
Flywheel Nut
Solid State Ignition
Solid State Mounting Stud
Screw, Torx T-15, 10-24 x 15/!6'
Ground Wire
Cylinder Head Gasket
Cylinder Head (Incl. 119 & 130)
Exhaust Valve (Std.) (Incl. 151)
Exhaust Valve (1132" OS) (Incl. 151)
Intake Valve (Std.) (Incl. 151)
Screw, 5/16-18 x 2"
Screw, 5/16-18 x 1-1/2"
Washer
Spark Plug (RJ17LM)
Valve Spring
Valve Spring Cap
Intake Valve Seal
Valve Cover Gasket

204
206
209
209A
215
223
224
238
239
241
245
250
260
262
275
277
285
287
290
292
298
300
301
305
307
308
310
313
339
340
342
345

Page 8

MODEL:143.993503
Part
No.
27666
31410
34146
32447
32446
650783
29752
30593
6201
*26756
36703
31341
36677
31342
651029
610973
650139
30322
32410
650451
"26754A
650932
*34338
35797
35066
35065
35585
650737
40000A
650988
36467A
650926
29774
26460
650665
35591
35355
35554
35499
35539
35556
34080
28212
35926
650751
32664

Part Name
Breather Body
Breather Element
Valve Cover
Breather Tube
Breather Tube Grommet
Screw, 10-24 x 3/4"
Nut & Lock Washer, 1/4-28
Retainer Clip
Screw, 1/4-28 x 7/8"
Carburetor To Intake Pipe Gasket
Intake Pipe (incl. 182, 184, 224)
Governor Link
Control Bracket (Incl. 203 thru 209A)
Compression Spring
Screw, Torx T-10, 5-40 x 7/16"
Terminal
Screw, 8-32 x 1/2"
Lock Nut 8-32
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, 1/4-20 x 1/2"
Muffler (W/Catalyst)
Screw, 1/4-20 x 1-3/4"
Starter Cup
Screw, 8-32 x 21/64"
Fuel Line
Fuel Line Clamp
Screw, 1/4-15 x 7/8"
Fuel Tank (Incl. 292 & 301)
Fuel Cap
Oil Fill Tube
"O"-Ring
Fill Tube Clip
Dipstick
Spacer
Spacer
Fuel Tank Bracket
Screw, 1/4-20 x 7/16"
Heat Baffle

*Indicates Parts Included in
Gasket Set, Ref. No. 400,

181-1200-11

CRAFTSMAN
Ref.
No.

Part
No.

370A
370B
370K
380
390

36261
35703
36695
640172
590732

400
416

36439
36085

417

650821

CARBURETOR

4-CYCLE ENGINE
Part Name

Lubrication Decal
Control Decal
Starter Decal

MODEL:143.99350',
R_.
No.

Part
No.

Part Name

900
900

Carburetor (Incl. 184)
Rewind Starter
(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)

181-1200-11

Replacement Engine 754294A,
order from 71-999
Replacement Short Block 754291,
order from 71-999
Operator's Manual
*Indicates Parts Included in
Gasket Set, Ref. No. 400.
RPM High 3300 to 3600
RPM Low 1700 to 2000

NO. 640172
R_.
No.

Pad
No.
640172

1
2
4
5
6
7
16
17
18
20
20A
25
27
28
29
30
31
35
36
37
40
44
47
48
60

I I

Page 9

631615
631767
*631184
*631183
631036
"650506
632164
651025
630766
640018
640053
631867
*631024
632019
*631028
*631021
631022
36045A
640019
*632547
640074
"27110A
*630748
*631027
632760

PaN Name
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 Scraw/Idle Speed Screw
Tension Spring
Idle Restdctor Screw
Idle Restrictor Screw Cap
Float Bowl
Roat Shaft
Float
Float Bowl =O" Ring
Inlet Needle, Seat, & Clip (Incl. 31)
Spring Clip
Primer Bulb/Retainer Ring
Main Nozzle Tube
"O" Ring, Main Nozzle Tube
High Speed Bowl Nut
Bowl Nut Washa
Welch Plug, Idle Mixture Well
Welch Plug, Atmospheric Vent
Repair kit (Incl. Items Marked *)

181-1200-11

REWIND

STARTER

NO. 590732

-11
Ref.
No.

Part
No.

1
2
3
4
5
6
7
8
11

590732
590599A
590600
590696
590601
590697
590698
590699
590700
590695

12
13

590535
590701

Part Name
Rewind Starter
Spdng Pin (Incl. 4)
Washer
Retainer
Washer
Bmke Spdng
Starter Dog
Dog Spring
Pulley Ass'y, (Incl. 9 & 10)
Starter Housing Ass'y, (40 degree
grommet)
Starter Rope (Length 98" x 9/64" dia.)
Starter Handle

BI--5
O--2

STARTER NO. 590738
_--14

Ref.
No.

Part
No.
590738

3
6
7
8
11

590740
590616
590617
590618A
590687A

12
13
14

590535
590701
590741

Part Name
RewindStarter (Optional)
Retainer
StarterDog
DogSpring
Pulley& RewindSpringAss'y.
Starter HousingAss'y.(40 degree
grommet)
Starter Rope (Length98" x 9/64" dia.)
Starter Handle
LockingTab

--8

Ill

1!--7

Page 10

181-1200-11

How to ORDER Repair Parts
The Model Number will be found on a decal on the blower
housing (See Figure 1). Always mention the Model Number
when requesting service or repair parts for your Craftsman
Engine.

operator's
manual

All parts listed herein may be ordered from any SEARS, ROEBUCK 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

The PART DESCRIPTION

The MODEL NUMBER

The NAME OF ITEM - ENGINE

MODEL NO. 143.993503
SOLID STATE IGNITION

CAUTION:
Read RULES for
Safe OPERATION

and INSTRUCTIONS
Carefully

"Your Sears merchandisehas addedvalue when you considerthat Sears has
service unitsnationwidestaffedwith Seam trainedtechnicians..,professional
techn_ians specificallytrained on Sears products,having the parts,toolsand
equipmentto insurethatwe meet ourpledgeto you ... we servicewhatwe sell."

Sold by SEARS, ROEBUCK AND CO., CHICAGO, IL 60684 U.S.A.
and SEARS CANADA, INC., TORONTO, ONTARIO, CANADA

181-1200-1'

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Craftsman 143993503 User Manual ENGINE Manuals And Guides L9060203

CRAFTSMAN Engine Manual L9060203 CRAFTSMAN Engine Owner's Manual, CRAFTSMAN Engine installation guides

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