ENGINE - Sears Parts
Contents
1. POSITION EQUIPMENT SO ENGINE IS LEVEL Clean area around oil fill plug see Figure 1 Remove oil fit plug and dipstick Wipe dipstick clean insert it into oil fill hole and tighten securely Remove oil fill plug and check oil tevel If level is not up to FULL mark on dipstick add recommended oil until it is POUR SLOWLY Wipe dipstick clean each time oi level is checked DO NOT FILt ABOVE FULL MARK ON DIPSTICK F Replace oil fill plug and tighten securely TO ENSURE ADEQUATE OIL SUPPLY G DISCONNECT SPARK PLUG WIRE FROM SPARK PLUG AND KEEP IT AWAY FROM SPARK PLUG H Crank engine a few times with starter NOTE DO NOT USE MOWER CUTTING BLADE OR ANY OTHER ATTACHMENT ON POWER TAKE OFF END OF CRANKSHAFT TO CRANK ENGINE I Re check oil level per instructions C D E and F J Connect spark plug wire to spark plug See MAINTENANCE section for any future oil level and oil change instructions see Page 2 181 1197 11 mogow gt BEFORE STARTING Continued FILL FUEL TANK with gasoline as specified in the preceding OIL amp FUEL RECOMMENDATIONS item 2 NEVER MIX OIL WITH GASOLINE Never use stale gasoline left over from last season or stored for long periods NEVER FILL FUEL TANK INDOORS NEVER FILL FUEL TANK WHEN ENGINE IS RUNNING OR HOT DO NOT SMOKE WHEN FILLING FUEL TANK NEVER FILL FUEL TANK COMPLETELY FILL TANK TO 1 2 BELOW BOTTOM OF FILLER NECK TO PROVIDE SPACE FOR2. 3 ition System inctuding i ark plug Lo b ition module c Flywheel assembty 4 Catalytic Muffler if so equipped Muffler gasket b Exhaust rato itso Sere 5 Crankcase Breather Assembly and tts Components a Breather connection Continue for 24 consecutive months thereatter 3 no Sears Roebuck and Co Hoffman Estates IL 60179 U S A Page 6 7 22 97 EPAPCARB 181 1197 11 S rege 181 1197 11 CRAFTSMAN 4 CYCLE ENGINE Ref Part Name No Part Name 35943A 27652 28277 35324 36284A 29916 651028 35945 35319 36460 650561 30322 35336B 35327 29826 29918 29216 29642 35776A 35777A 35778A 35773A 35774A 35775A 35779 35780 35781 35772 36895 651033 35313 35939 35315A 31356 35316A 650760 28545 650128 30063 33356 35317 35711A 31927 35319 35712 35479 35321 35322 29193 650833 31707A 32589 611177 650880 650881 36135 610118 651024 Cylinder Incl 2 amp 20 651007 Dowel Pin 35183 Washer 36225 Governor Rod 35946 Governor Lever Incl 212A 35948 Governor Lever Clamp 35288 Screw Torx T 15 8 32 x 3 8 650738 Extension Spring 35308 Oil Seal 35433 Blower Housing Baffle 35309 Screw 1 4 20 x 5 8 35432 Lock Nut 8 32 650691 Crankshaft 650690 Counterbalance Gear 650946 Screw 10 32 x 3 4 34645 Lock Washer 33507 Lock Nut 10 32 33508 Retaining Ring 35949 Piston Pin amp Ring Set Std 650945 Piston Pin amp Ring Set 010 OS 35950 Pi
3. 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 running A DISCONNECT SPARK PLUG WIRE FROM SPARK PLUG AND KEEP IT AWAY FROM SPARK PLUG Position equipment so engine oil drain plug is lowest point on engine Remove oil drain plug and olt fill plug to drain oil Replace oit drain plug and tighten securely Fill oil sump with recommended oll See OIL amp FUEL RECOMMENDATIONS and CHECK OIL LEVEL on Page 1 Replace oil fill plug and tighten securely Connect spark plug wire to spark plug moop om CONTROL BRACKET CONTROL LEVER IN FAST POSITION HOLE IN LEVER IN LINE WITH NOTCH IN BRACKET OTE RUN RANGE Figure 2 181 1197 11 MAINTENANCE Continued AIR CLEANER IMPORTANT NEVER RUN ENGINE WITHOUT COMPLETE AIR CLEANER INSTALLED ON ENGINE A TO SERVICE FILTER S see Figure 3 1 FOAM FILTER Clean and re oil every three 3 months or every 25 operating hours Clean and re oil daily if used in extremely dusty conditions a Wash in water and detergent solution and squeeze don t twist until all dirt is removed b Rinse thoroughly in clear water c Wrap in a clean cloth and squeeze don t twist until completely dry d Saturate with engine oil and squeeze don t twist
4. Remove SPARK PLUG and clean it See SPARK i s PLUG instructions in MAINTENANCE section in this manual Spark plug porcelain cracked Install new spark plug Insufficient fuel Fill FUEL TANK per BEFORE STARTING instructions Water or dirt in fuel Drain FUEL TANK and re fill with clean fresh gasoline See BEFORE STARTING instructions in this manual Improper carburetor adjustment Adjust carburetor if applicable See ADJUSTMENTS section in this manual ENGINE LACKS POWER Dirty air cleaner Replace or clean air cleaner per AIR CLEANER instructions in MAINTENANCE section in this manual Improper carburetor adjustment Adjust carburetor if applicable See ADJUSTMENTS i section in this manual Lack of lubricaiton Fill oil sump to proper level See BEFORE STARTING aa instructions section in this manual ENGINE MISSES UNDER LOAD Spark plug fouled Remove SPARK PLUG and clean it See SPARK PLUG instructions in MAINTENANCE section in this manual Spark plug porcelain cracked Install new SPARK PLUG Improper spark plug gap Regap SPARK PLUG electrodes See SPARK PLUG instructions in MAINTENANCE section in this manual Improper carburetor adjustment Adjust carburetor if applicable See ADJUSTMENTS section in this manual Page 5 181 1197 11 SEARS ROEBUCK AND CO Federal and California Emission Control Systems Limited Warranty Utility and Lawn and Garden Engines CALIFORN
5. AND FAMILIARIZE YOURSELF WITH THE OPERATING MAINTENANCE AND SAFETY INSTRUCTIONS THIS MANUAL ALSO CONTAINS A COMPLETE PARTS LISTING BEFORE STARTING READ ALL INSTRUCTIONS PROVIDED WITH THE EQUIPMENT Be sure original container is marked A P I service SF SJ FOR SUMMER ABOVE 32 F 0 C USE SAE 30 OIL Using multigrade oil will increase oit 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 32 ounces 2 U S pints 94 liter AFRESH 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 Gasoho or up to 15 MTBE Methayl Tertiary Butyl Ether may be used but requires special care when engine is unused for extended periods See STORAGE instruction on 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 or stored for long periods H H Page 1 ON WHICH THIS ENGINE IS USED CHECK OIL LEVEL CAUTION 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 SECURELY INTO OIL FILL HOLE
6. F RESTARTING A WARM ENGINE AFTER A SHORT SHUTDOWN MOVE CONTROL TO FAST INSTEAD OF CHOKE B Press starter button or turn ignition switch key per equipment manufacturer s Instructions to crank engine until it fires C When engine starts move contro to FAST and then to RUN RANGE D If engine falters move control to CHOKE then to FAST and then to RUN RANGE NOTE If engine fires but does not continue to run move control to FAST and crank engine until it starts E If engine still does not start move control to CHOKE and repeat instructions B and C again Page 2 TOPPING Move equipment control or any ignition stop switch on engine to STOP or OFF see equipment manufacturer s instructions AFTER ENGINE IS STOPPED amp DISCONNECT SPARK PLUG WIRE FROM SPARK PLUG AND KEEP IT AWAY FROM SPARK PLUG TURN IGNITION SWITCH KEY IF SO EQUIPPED TO OFF POSITION AND REMOVE KEY FROM SWITCH THIS WILL REDUCE THE POSSIBILITY OF UNAUTHORIZED STARTING OF ENGINE WHILE EQUIPMENT IS NOT IN USE 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 MAINTENANCE WARNING TEMPERATURE OF MUFFLER AND NEARBY AREAS MAY EXCEED 150 F 65 C AVOID THESE AREAS CHECK OIL LEVEL Check oil levet every five 5 operating hours or each time engine is used See 2
7. FUEL EXPANSION WIPE ANY FUEL SPILLAGE FROM ENGINE AND EQUIPMENT BEFORE STARTING ENGINE ANY LIQUEFIED PETROLEUM LPG OR NATURAL GAS FUEL SYSTEM MUST BE LEAKPROOF AND MEET ALL APPLICABLE CODES AND REGULATIONS CHECK THE FOLLOWING A BE SURE EQUIPMENT S IN NEUTRAL GEAR WITH CLUTCHES BELTS CHAINS AND SAFETY SWITCHES DISENGAGED FOLLOW EQUIPMENT MANUFACTURER S INSTRUCTIONS THIS SHOULD PLACE ANY SAFETY SWITCHES IN SAFE STARTING POSITION B Be sure spark plug wire is attached to spark plug see Figure 1 C Be sure any ignition switch on engine or equipment is in ON RUN or START position STARTING NEVER RUN ENGINE INDOORS OR IN ENCLOSED POORLY VENTILATED AREAS 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 A KEEP HANDS FEET HAIR AND LOOSE CLOTHING AWAY FROM ANY MOVING PARTS ON ENGINE AND EQUIPMENT BE SURE AIR INTAKE SCREEN see Fig 1 IS SECURELY IN PLACE TO AVOID CONTACT WITH MOVING PARTS Peale TEMPERATURE OF MUFFLER AND NEARBY AREAS MAY EXCEED 150 F 65 C AVOID THESE AREAS NOTE If engine is remotely controlled see equipment manufacturer s instructions for remote control positions which correspond to engine control positions in Figure 2 ELECTRIC STARTER 12 VOLT D C A Move engine control lever see Figure 2 or equipment control to CHOKE or START mt NOTE i
8. IA amp US EPA EMISSION CONTROL WARRANTY STATEMENT The U S Environmental Protection Agency EPA the California Air Resources Board CARB and Sears Roebuck and Co are pleased to explain the Federal and Califomia 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 equi to meet the State s stringent anti standards In other states new 1997 and later model year engines must be designed 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 Your emission contro system may peas pans such as the carburetor ignition system and exhaust system Also inclu may be the compression release system and other emission related assemblies Where a warrantable condition exists Sears Roebuck and Co will repair your utility he lawn and garden equipment engine at no cost to you for diagnosis parts and MANUFACTURER S EMISSION CONTROL SYSTEM WARRANTY COVERAGE Emission contro systems on 1995 and later model year Califomia utility and lawn and garden equipment
9. ONTROL SYSTEM WARRANTY Emission Control System Warranty ECS Warranty for 1995 and later modei year California utility later model year engines A APPLICABILITY This warranty shall apply to 1995 and later model year Califomia utility and lawn and lan 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 purchaser and shall lawn and garden equipment engines for other states 1997 and Catit 0 Pi Onis ervd use PATAAS ot hc ew oncine br EAA eee waran inal end use purchaser new engine or t to each subsequent purchaser that each of its utility and fawn and garden equipment engines is 1 Designed built and equipped so as to conform with ail adopted by the Air Resources Board pursuant to its a ity in Chapters 1 and 2 Part 5 Division 26 of the Health and Safety Code and 2 Free trom defects in materials and workmanship which at any time during the ECS Warranty Period wili 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 certification icable regulations c oe Warranty only pertains to emissions related parts on your engine as o 1 Any warranted emissions related parts which are not scheduled for fis til as reg iad miaintenanos in h Own rs Manual shall be warranted f
10. SEARS operator s manual MODEL NO 143 991200 SOLID STATE IGNITION ENGINE CAUTION 3 Read RULES for Operating Safe OPERATION gt Maintenance and INSTRUCTIONS Carefully a Repair Parts Sold by SEARS ROEBUCK AND CO CHICAGO IL 60684 U S A and SEARS CANADA INC TORONTO ONTARIO CANADA Printed in U S A 2 1 99 181 1197 11 OIL FILL PLUG AND DIPSTICK i Figure 1 1 THIS SYMBOL POINTS OUT IMPORTANT SAFETY INSTRUCTIONS WHICH IF NOT FOLLOWED COULD ENDANGER THE THIS MANUAL AND ANY THESE SYMBOLS MAY APPEAR ON THE ENGINE FAST SLOW w AIR INTAKE SCREEN MODEL AND D 0 M DECAL LEVERS amp LINKAGE OIL DRAIN PLUG CARBURETOR PERSONAL SAFETY AND OR PROPERYT OF YOURSELF AND OTHERS READ AND FOLLOW ALL INSTRUCTIONS IN PROBIDED WITH THE EQUIPMENT ON WHICH THIS ENGINE IS USED BEFORE ATTEMPTING TO 2 ous or 7g_L OPERATEYOUR CRAFTSMAN ENGINE ENGINES WHICH ARE CERTIFIED TO COMPLY WITH CALIFORNIA AND U S 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 amp FUEL RECOMMENDATIONS TO OPERATE ENGINE YOU WILL NEED THE FOLLOWING ACLEAN HIGH QUALITY DETERGENT OIL IMPORTANT KEEP THIS MANUAL HANDY AT ALL TIMES FOR FUTURE REFERENCE READ IT CAREFULLY
11. air Parts The Model Number can 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 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 The PART NUMBER The PART DESCRIPTION The MODEL NUMBER The NAME OF ITEM ENGINE operators manual MODEL NO 143 991200 SOLID STATE IGNITION CAUTION Read RULES for Safe OPERATION and INSTRUCTIONS equipment to insure that we meet our pledge to you we service what we sell Carefully Your Sears merchandise has added value when you consider that Sears has service units nationwide staffed with Sears trained technicians professional technicians specifically trained on Sears products having the parts tools and Sold by SEARS ROEBUCK AND CO CHICAGO IL 60684 U S A and SEARS CANADA INC TORONTO ONTARIO CANADA t 181 1197 1
12. engines are warranted for two as hereinafter noted In other states 1997 and later model year warranted for two years lft during such warranty period any onmission roiatoo part on your ne is ee in materials or workman ip the part wil be repaired or re by Sears oel OWNER S WARRANTY RESPONSIBILITIES engines are As the utility or lawn and garden uipment engine owner you are responsible for the performance of the renuiod 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 maintenance 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 has failed due to abuse neglect Improper maintenance or unapproved modifications You are res ble for presenti ur utility or lawn and n equipment en to a Sears ans Car Mighoined Sabine Cutat au gardan aauipma ils 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 ae Service Outlet or by contacting Sears Roebuck and Co at 1 800 473 IMPORTANT NOTE This warranty statement explains your rights and obligations under the Emission Control System Warrant
13. es are pitted bumed or porcelain is cracked For replacement use Champion AN4C or equivalent NOTE A resistor spark plug must be used for replacement D Check electrode gap with wire feelar gauge and set gap at 030 if necessary E Install spark plug tighten securely PORCELAIN Figure 4 ALTERNATOR AND BATTERY if so equipped A ALTERNATOR For electrical problems such as inoperative starter or discharged battery see your nearby Sears Roebuck and Co or Sears Canada Inc Service Center for fuse replacement if so equipped maintenance and repairs B BATTERY 1 When servicing battery always connect cables to battery exactly as they were before removal ground cable to battery negative or neg post If incorrectly connected altemator won t charge battery If this happens see your Sears Roebuck and Co or Sears Canada Inc Service Center 2 Never expose engine ignition system to battery power If battery cable or any live wire contacts ignition system ground wire engine ignition system may be damaged 3 If external battery charger is used disconnect positive or pos cable from battery to prevent possible damage 4 See battery manufacturer s instructions for service and storage COOLING SYSTEM IMPORTANT Frequently remove any grass clippings dirt and debris from cooling fins air intake screen and levers and linkage see Figures 1 and5 This will help ensure adequate cooling and correc
14. ination 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 by a failure under warranty of an emission related part covered by the ECS Warranty 7 Throughout the ECS Warranty Period Sears Roebuck and Co shall maintain a supply of warranted emission retatad 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 may be used in the performance of any ECS Warrant maintenance or repair and wilt be provided without charge to the owner use shai 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 Sears Roebuck and Co engine Such use voids this ECS W and shall be sufficient grounds for disallowing an ECS Warranty claim Sears Roebuck and Co shall not be liable heraunder for failures of warranted parts 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 Intemal Components a Fuel filter b Carburetor gaskets c Intake pipe 2 Air Cleaner Assembly a Air filter element
15. l Line Clamp 640164 Carburetor Incl 184 34279B Fuel Filter Incl 292 35962 Cup amp Screen 35574 Oil Fill Tube 650948 Washer 35499 O Ring 35947 Gasket Set Incl Items Marked 33997 Fill Tube Clip Replacement Engine 752328 order 35437 Fill Tube Clip from 71 999 35576 Dipstick Replacement Short Block None 650873 Screw 1 4 20 x 3 4 181 1197 11 Operator s Manual 611176 Alternator Coil 5 Amp Incl 322 amp 823B z Indicates Parts Included in 650735 Screw 10 24 x 3 8 i Gasket Set Ref No 400 614175 Regulator i 610921 Connector RPM High 3200 to 3400 611188 Connector Body RPM Low 1950 to 2250 Page9 l 181 1197 11 CARBURETOR NO 640164 Page 10 Carburetor Incl 184 of Engine Parts List Throttle Shaft amp Lever Assembly Throttle Link Bushing Throttle Retum Spring Dust Seal Washer Dust Sea Throttle Throttle Shutter Shutter Screw Choke Shaft amp Lever Assembly Choke Return Spring Dust Seal Washer Dust Seal Choke Choke Shutter Fuel Fitting Throttle Crack Screw Idle Speed Screw Tension Spring Idle Restrictor Screw Idle Restrictor Screw Cap Float Bowl Float Shaft Float Float Bow O Ring inlet Needle Seat amp Clip Incl 31 Spring Clip Main Nozzle Tube Main Nozzle Tube O Ring High Speed Bowl Nut Bowl Nut Washer Welch Plug Idle Mixture Well Welch Piug Atmospheric Vent Repair Kit Inct Items Marked 181 1197 11 How to ORDER Rep
16. n at the desired speed when equipment control is set at FAST and should choke engine when in CHOKE if additional control adjustments are necessary contact your nearby Sears Roebuck and Co or Sears Canada Inc Service Center ENGINE SPEED A NEVER TAMPER WITH ENGINE GOVERNOR WHICH IS FACTORY SET FOR PROPER ENGINE SPEED OVERSPEEDING ENGINE ABOVE FACTORY HIGH SPEED SETTING CAN BE DANGEROUS CHANGING OF ENGINE GOVERNED SPEED WILL VOID ENGINE WARRANTY Page 4 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 IF ENGINE IS TO BE UNUSED FOR 30 DAYS OR MORE PREPARE AS FOLLOWS DRAIN 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 i f DRAIN FUEL INTO APPROVED CONTAINER OUTDOORS AWAY FROM OPEN FLAME BE SURE ENGINE IS COOL DO NOT SMOKE Run engine until fuel tank is empty and engine stops due to lack of fuel NOTE Fuel stabilizer such as STA BIL is an acceptable altemative in minimizing the formation of gum deposits during storage Add stabilizer to gasoline in fuet tank or storage container Always follow mix ratio found on stabilizer container Run engine at least 10 minutes after adding stabilizer to allow it to reach ca
17. or the ECS Warranty Period W any such fails during the ECS Warranty Period it shall be repaired or Sears and Co according to Subsection 4 below Any part repaired or under the ECS Warranty shali be warranted for any remainder of the ECS Warranty Period 2 Any warranted emissions related part which is scheduled only for regular inspection as specified in the Owner s Manual shall be warranted for Tepal Gf Feplacs as necessary shall not reduce the ECS Warranty Porad or as 5 uce ariod Any such part repaired or replaced under the ECS Warranty shall be warranted for the remainder of the ECS Warranty Period 3 Any warranted emissions related part which is scheduled for ment as required maintenance in the Owner s Manual shall be for the period of time prior to the first scheduled replacement point for that part H the part fails prior to the first scheduled replacement the part shall be or laced by Sears Roebuck and Co according to Subsection 4 below Any such emissions related part repaired or replaced under the ECS Warranty shall be warranted for the remainder of the ECS Warranty Period prior to the first scheduted replacement point for such emissions related part 4 Repair or replacement of any warranted emissions related part under this ECS Warranty shall be performad 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 determ
18. rburetor CHANGE OIL Change oil if it has 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 02 30 ml of clean engine oil into spark plug hole B Crank engine over slowly several times AVOID SPRAY FROM SPARK PLUG HOLE WHEN CRANKING ENGINE OVER SLOWLY D Replace spark plug CLEAN ENGINE Clean engine by removing any clippings dirt or chaff from exterior of engine GENERAL Just as your automobile needs professional mechanical maintenance from time to time so does your Craftsman engine Replacement of the spark plug and air cleaner is made necessary by NORMAL use Professional Air Cooled Engine Service is as close as your nearest Sears Roebuck and Co or Sears Canada Inc Service Center A yearly check up or tune up by Sears is a good idea to avold breakdowns or delay do it at the end of the season then you re ready for the next We even prepare it for storage for you 181 1197 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 Controls not in stast position Move ENGINE CONTROL or equipment control to HI or START postion See STARTING instructions in this manual Spark plug wire disconnected from spark plug Connect SPARK PLUG WIRE to SPARK PLUG Spark plug fouled
19. ston Pin amp Ring Set 020 OS 650890 Piston amp Pin Ass y Std Incl 43 650947 Piston amp Pin Ass y 010 OS Incl 35951 43 35952 Piston amp Pin Ass y 020 OS Incl 43 Ring Set Std 27896A Ring Set 010 OS 28423 Ring Set 020 OS 28424 Piston Pin Retaining Ring 28425 Connecting Rod Ass y Incl 47 35350 Connecting Rod Bolt 650128 Valve Lifter 35954 Camshaft MCR 30200 Counterbalance Weight 650517 Oil Pump Ass y 33263 Blower Housing Extension 35955 Screw 8 32 x 3 8 36285 Grommet 35957 Screw 10 24 x 1 2 35956 Screw Torx T 30 1 4 20 x 1 2 33802 Ground Terminal 650777 Mounting Flange Gasket 650902 Mounting Flange Incl 72 75 amp 80 27793 Oil Drain Plug 28942 Oil Seal 36288 Governor Shaft 650971 Washer 35958 Governor Gear Ass y 650825 Governor Spool 35286 Retaining Ring 650875 Screw 1 4 20 x 1 3 16 33629 Spacer 35960 Flywheel Key f Flywheel W Ring Gear Lock Washer Flywheel Nut Solid State Ignition Spark Plug Cover Solid State Mounting Stud Page 8 MODEL 143 991200 Screw Torx T 15 10 24 x 15 16 Ground Wire Ground Wire Cylinder Head Gasket Cylinder Head Intake Pipe Brace Screw 1 4 20 x 5 8 Exhaust Valve Std Exhaust Vaive 1 32 OS Intake Valve Std Intake Valve 1 32 OS Washer Belleville Washer Screw 5 16 18 x 2 45 64 Resistor Spark Plug RN4C Valve Spring Valve Spring Keeper Push Rod Guide Rocker Arm S
20. t engine speed AIR INTAKE SCREEN Figure 5 rE CHECK ENGINE AND EQUIPMENT OFTEN FOR LOOSE NUTS BOLTS AND ATTACHMENTS AND KEEP THESE ITEM TIGHTENED 181 1197 11 ADJUSTMENTS DO NOT MAKE UNNECESSARY ADJUSTMENTS FACTORY SETTINGS ARE SATISFACTORY FOR MOST APPLICATIONS AND CONDITIONS IF ADJUSTMENTS ARE NEEDED PROCEED AS FOLLOWS CARBURETOR If you 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 CONTROL LEVER IN FAST POSI TION HOLE IN LEVER IN LINE WITH NOTCH IN BRACKET l REMOTE A CONTROL BRACKET Figure 6 REMOTE CONTROL see Figure 6 For satisfactory engine performance engine and equipment controls must be adjusted properly To check engine control adjustments proceed as follows A Set equipment control at FAST or HIGH SPEED and keep in this position B Loosen clamp screw so remote control cable can be moved in cable clamp donot remove cable clamp from control bracket or disconnect remote contro cable from engine control lever C Move engine control lever into FAST and hold in this position D Tighten clamp screw securely so cable clamp will hold cable casing in place when equipment control is used The engine should now ru
21. to distribute oil and remove excess oil 2 PAPER OR FOAM SCREEN FILTERS DO NOT ATTEMPT TO CLEAN OR OIL FILTER Replace once a year or every 100 operating hours more often if used In extremely dusty conditions Replacement filters are available at any nearby Sears Roebuck and Co or Sears Canada Inc Service Center B TO REMOVE AND INSTALL FILTER S Se 1 Remove wing nuts and cover 2 Slide FILTER A off FILTER B _ z 3 Inspect filter s for discoloration or dif ticoumulation i either is present service per preceding TO SERVICE FILTER S instructions 4 Remove nuts and FILTER B Discard FILTER B and nuts if service is necessary 5 Clean inside of cover and body thoroughly 6 Install new FILTER B and new nuts Tighten nuts finger tight and then tum one 1 more complete tum 7 Slide foam filter over paper filter 8 Install cover and wing nuts Tighten wing nuts WING NUTS 3i Z am 9 FILTER A FOAM NUTS O D FILTER B Page 3 MAINTENANCE continued SPARK PLUG see Figure 4 This spark ignition system meets all requirements of the Canadian Interference Causing Equipment Regulations This engine complies with all current Australian and New Zealand limitations regarding electromagnetic interference Check spark plug yearly or every 100 operating hours A Clean area around spark plug B Remove and inspect spark plug C Replace spark plug if electrod
22. tud Rocker Arm Lock Washer Lock Nut 5 16 24 Push Rod Rocker Arm Cover Gasket Rocker Arm Housing Screw Torx T 30 1 4 20 x 1 2 Valve Cover Gasket Breather Body Breather Element Valve Cover Breather Tube Screw 10 24 x 1 2 Blower Housing Extension Screw 10 24 x 9 16 Screw 1 4 20 x 27 32 Carburetor To Intake Pipe Gasket Intake Pipe Governor Link Choke Link Control Bracket Incl 203 amp 204 Compression Spring Screw 6 32 x 21 32 Screw 10 32 x 7 16 Conduit Clip Screw 10 32 x 3 8 Bushing Screw Torx T 30 5 16 18 x 7 8 Intake Pipe Gasket Nut amp Lockwasher 1 4 20 Air Cleaner Adapter Screw 10 32 x 5 1 4 Carburetor Gasket Air Cleaner Body Incl 239 Indicates Parts Included in Gasket Set Ref No 400 181 1197 11 CRAFTSMAN 4 CYCLE ENGINE 7 MODEL 143 991200 No Part Name No No Part Name 35403 Air Cleaner Filter Incl 234 614117 Connector Body 35404 Air Cleaner Filter 611140 Terminal 35961 Air Cleaner Cover 611118 Terminal 650886 Wing Nut 1 4 20 610922 Terminal 35964 Blower Housing 33177 Terminal 651031 Screw 1 4 20 x 9 16 34246 Wire Clip 29747B Screw Torx T 40 5 16 24 x 21 32 36210 Blower Housing Plug 35963 Trim Ring 36419 Wire Harness Incl 322 322A 322B 650273 Screw 5 16 18 x 5 8 323 323A amp 323B 35959 Cylinder Head Cover 36407 Deflector 35829A Exhaust Port Liner 650949 Screw 10 32 x 9 16 29774 Fuei Line 8 25 34148 Spring 26460 Fue
23. y ECS Warranty which is provided to you by Sears Roebuck and Co pursuant to Califomia law See also the Sears Roebuck and Co Limited Warranties for Sears Roebuck and Co which is enciosed 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 HB 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 shail apply except in any circumstances in which the Sears Roebuck and Co Waranty may provide a longer warranty period Both the ECS Warranty and the Sears Roebuck and Co Warranty describe important rights and obligations 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 making service calls and or for transporting the products to and from _ the place where the inspection and or warranty work is performed The purchaser shall be responsible for any damage 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 regardi your wa rights and responsibilities you should contact Sears Roebuck an att 73 7247 EMISSION C
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