TC/TM SERIES 2-Cycle Engines
This handbook covers repairs and adjustments not covered within the Operator’s Manual, and it is intended for individuals who have a general understanding of internal combustion engines, adequate training, experience and who practice proper tool usage. Service procedures should be clearly understood and practiced when servicing Tecumseh Engines.
CHAPTER 1 GENERAL INFORMATION 1
GENERAL SAFETY PRECAUTIONS 1
ENGINE IDENTIFICATION 3
OIL REQUIREMENTS 5
FUEL REQUIREMENTS 6
TUNE-UP PROCEDURE 7
STORAGE 8
CHAPTER 2 AIR CLEANERS 9
GENERAL INFORMATION 9
OPERATION 9
TROUBLESHOOTING 9
SERVICE 9
PAPER FILTER REMOVAL AND REPLACEMENT 10
POLYURETHANE FILTER REMOVAL AND SERVICE 10
CHAPTER 3 CARBURETORS AND FUEL SYSTEMS 11
GENERAL INFORMATION 11
OPERATION 11
FUEL PRIMERS 12
COMPONENTS 13
ENGINE TROUBLESHOOTING 16
TROUBLESHOOTING CARBURETION—TC/TM SERIES 17
TESTING 19
SERVICE 19
CARBURETOR PRE-SET AND ADJUSTMENT 19
CARBURETOR DISASSEMBLY 20
CARBURETOR INSPECTION 20
CARBURETOR ASSEMBLY 21
FUEL TANK SERVICE 24
CHAPTER 4 GOVERNORS AND LINKAGE 25
GENERAL INFORMATION 25
OPERATION 25
COMPONENTS 25
TROUBLESHOOTING 26
ENGINE OVERSPEEDING 26
ENGINE SURGING 26
SERVICE 26
GOVERNOR ADJUSTMENT 26
CHAPTER 5 REWIND STARTERS 28
GENERAL INFORMATION 28
OPERATION 28
TC TYPE I 28
TC TYPE II/TM 28
COMPONENTS 28
SERVICE 28
DISASSEMBLY PROCEDURE 28
ASSEMBLY PROCEDURE 29
CHAPTER 6 IGNITION 30
GENERAL INFORMATION 30
OPERATION 30
COMPONENTS 30
IGNITION TROUBLESHOOTING 31
TESTING. 32
SERVICE 32
AIR GAP SETTING 32
SPARK PLUG SERVICE 32
CHAPTER 7 INTERNAL ENGINE AND CYLINDER 33
GENERAL INFORMATION 33
OPERATION 33
MANUAL COMPRESSION RELEASE 33
COMPONENTS 34
TROUBLESHOOTING 35-36
TESTING 37
ENGINE KNOCKS 37
ENGINE OVERHEATS 37
SURGES OR RUNS UNEVENLY 37
ENGINE MISFIRES 37
ENGINE VIBRATES EXCESSIVELY 38
LACKS POWER OR WILL NOT START 38
SERVICE 38
GENERAL INFORMATION 38
DISASSEMBLY PROCEDURE—TC TYPE 1 AND TC TYPE II 38-40
BEARING AND SEAL SERVICE—TC TYPE I AND TC TYPE II 40
ASSEMBLY—TC TYPE I AND TC TYPE II 41-43
DISASSEMBLY—TM 43-44
BEARING AND SEAL SERVICE—TM 44
ASSEMBLY—TM 45-47
CHAPTER 8 ENGINE SPECIFICATION AND SEARS CRAFTSMAN
CROSS-REFERENCE 48
TORQUE SPECIFICATIONS 48
ENGINE SPECIFICATIONS 49
SEARS CRAFTSMAN CROSS REFERENCE 50
CHAPTER 9 EDUCATIONAL MATERIALS AND TOOLS 51-54
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