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Summary of Contents for 143.629012

Page 1: ...ad Instructions C arefully Assembly Operating Repair Parts Form No 692701 Revised 10 29 71 owners manual CRAFTSMAN ENGINES SEARS ROEBUCK AND CO U S A SIMPSONS SEARS LIMITED CANADA Printed in U S A another free manual from www searstractormanuals com ...

Page 2: ... Keep guards in place 6 Don t change governor settings or overspeed the engine The governor controls the speed and protect the engine from damaging excessive speeds Excessive speeds are dangerous 7 Don t store equipment with fuel in the tank inside a buildi ng where fumes may reach an open flame or spark Let the engine cool before storing in any enclosure S Never leave engine running unattended 9 ...

Page 3: ...prinkler heads iron pipe walk edge etc is not covered by th is guarantee Equipment used for rental or commercial purposes is guaranteed only for thirty 30 days SEARS ROEBUCK AND CO C U S TOM E R S RES P 0 N SIB I LIT I E S Always use care when operating mechanical or powered equipment Keep clear of moving parts belts or chains Do not work on equipment with the engine running Avoid striking or runn...

Page 4: ...ER MC DEL ond FIG 2 SERVICE INSTRUCTIONS To obtain longest life and trouble free use of your engine certain normal maintenance must be per form ed as outlined below Disconnect spork plug wire at spark plug before performing any maintenance to pre vent occidental starting of engine CHANGE OIL Change oil in engine crankcase after first two hours of operation Unscrew oil drain plug located on end of ...

Page 5: ...ne runs smoothly If engine tends to stoll when unit is in use open needle turn Hold throttle lever in idle position Turn Idle Adjusting Needle forward or bock u turn at a time until engine runs smoothly Allow several seconds between each adjust ment for engine carburetor to react to the new setling 5 IDLE ADJUSTING NEEDLE Close FINGER TIGHT only and then re open two and one half turns FUEL DRAIN P...

Page 6: ...lean lubricating oil through the spark plug hole into the cylinder Crank the engine slowly to spread oil and replace Spark Plug 6 GENERAL Just as your automobile needs professional mechanical maintenance from time to time so does your air cooled engine Cleaning and adjusting of the Carburetor and periodic replacement of the Spark Plug and Ignition Points is made necessary by NORMAL use Professiona...

Page 7: ...ded ttle engine Put throttle in run or fast position and cronk several times to cleor out the excess gos Your throttle control may be set so that it does not fully close the choke Dirty or plugged oir cleoner See SERVICE INSTRUCTIONS in this manual My engine misses or locks power under load Whot might couse this Your throttle control could be set too close to choke position and flooding the engine...

Page 8: ...ENGINE BASIC ENGINE Refer to Parts List for product on which engine is used for any Engine Parts Revised 10 29 71 8 MODEL NUMBER 143 629012 59 l L 54 V 51 72 6 CJ 71 I another free manual from www searstractormanuals com ...

Page 9: ...ck Oil Incl No 25A Gasket Cylinder cover Spacer Governor rod Screw Hex hd Sems 1 4 20 x 2 9 Ref No 30 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 53 54 55 56 57 58 59 60 62 63 64 65 67 S8 71 72 73 74 75 76 77 78 79 Part No 28537 30564 31964 29193 31963 650518 650428 7975 31965 30312 31967 31968 32425 31948 29193 31947 31930 32000A 33034 650711 650714 21943 33035 650691 31990 27793 ...

Page 10: ...6 127 128 129 130 131 133 139 140 142 143 144 145 146 147 149 150 152 153 154 155 157 161 162 163 MODEL NUMBER 143 629012 Part No 32042 27272 32920 650416 30771 28788 32919 32377 30767 650399 31925 31926 650513 31752 8345 32599 610749 650661 610748 650660 32958 32341 32961 32960 8140 650713 26073 33038 32959 33010 610746 32673 32154 32426 32730 631304A 32817 33237 692701 Part Name Nipple Pipe Gask...

Page 11: ...l No 16 20 27110 Gasket Bowl ta body 6 630605 Screw Throttle adjusting 21 28945 Needle Assy Power adjusting 27112 Needle Idle adjusting 8 27114 Spring Adjusting needle 9 31503 Spring Float shaft 10 30927 Shutter Choke 11 27109 Gasket Bowl to body 12 32628 Gasket Valve seat 13 32411A Valve Seat Gasket Spring Assembly Incl Nos 9 12 Incl Nos 20 22 24 22 630786 Spring Adjusting needle 23 30355 Nozzle ...

Page 12: ...4 32830 Cap Assy Drive end lncl bearing 15 32831 Washer Spacing 039 thick 15 32832 Washer Spacing 008 thick 16 32833 Armature 17 32834 Housing Assy Incl pole shoes field coils terminal post straight mounting bracket Nos 18 thTU 21 18 32500 Washer Insulating 19 650168 Washer Plain 20 650131 Washer Lock 21 28710 Nut Hex 22 32838 Brush Spring Kit 23 32501 Bushing Insulating 24 32509 Washer Spacing 25...

Page 13: ...lling prices will be furn ished on request or parts will be shipped at prevailing prices and you will be billed accordingly WHEN ORDERING REPAIR PARTS ALWAYS GIVE TH E FOLLOWING INFORMATION AS SHOWN IN THIS LI ST 1 The PART NUMBER 2 The PART NAME 3 The MODEL NUMBER OF THE ENG INE 4 The NAME OF ITEM Engine Your Sears Merchandise takes an added value when you discover that Sears has over 2 000 Servi...

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