Tecumseh ECV100 - 120 Technician's Handbook page 3

SERVICE ..................................................................................................................................................... 27
GOVERNOR ADJUSTMENT ....................................................................................................................... 27
GOVERNOR ADJUSTMENT PROCEDURE FOR SHORT BLOCK INSTALLATIONS ............................... 27
GOVERNOR GEAR AND SHAFT SERVICE ............................................................................................... 28
SPEED CONTROLS AND LINKAGE ........................................................................................................... 29
CHAPTER 5 REWIND STARTERS ............................................................................................................. 35
GENERAL INFORMATION .......................................................................................................................... 35
OPERATION ................................................................................................................................................ 35
COMPONENTS ............................................................................................................................................ 35
SERVICE ..................................................................................................................................................... 35
ROPE SERVICE .......................................................................................................................................... 35
RETAINER REPLACEMENT ....................................................................................................................... 36
STYLIZED REWIND STARTER (TVS, HM, TVM, TVXL), AND STAMPED STEEL STARTER
(HM, VM, TVM, TVXL) ............................................................................................................................. 36
STYLIZED REWIND STARTER WITH PLASTIC RETAINER ...................................................................... 37
STANDARD STAMPED STEEL AND CAST ALUMINUM STARTER (HM, VM) .......................................... 38
VERTICAL PULL STARTER HORIZONTAL ENGAGEMENT TYPE ........................................................... 39
VERTICAL PULL STARTER VERTICAL ENGAGEMENT TYPE ................................................................. 40
CHAPTER 6 ELECTRICAL SYSTEMS ..................................................................................................... 42
GENERAL INFORMATION .......................................................................................................................... 42
OPERATION ................................................................................................................................................ 42
STARTING CIRCUIT AND ELECTRIC STARTERS .................................................................................... 42
CHARGING CIRCUIT .................................................................................................................................. 42
CONVERTING ALTERNATING CURRENT TO DIRECT CURRENT .......................................................... 43
HALF WAVE RECTIFIER SINGLE DIODE .................................................................................................. 43
FULL WAVE RECTIFIER BRIDGE RECTIFIER ........................................................................................... 43
COMPONENTS ............................................................................................................................................ 43
BATTERY ..................................................................................................................................................... 43
WIRING ........................................................................................................................................................ 43
ELECTRICAL TERMS .................................................................................................................................. 44
BASIC CHECKS ........................................................................................................................................... 45
TROUBLESHOOTING ELECTRICAL STARTER CIRCUIT FLOW CHART ................................................ 46
TROUBLESHOOTING ELECTRICAL CHARGING CIRCUIT FLOW CHART .............................................. 47
TESTING PROCEDURE .............................................................................................................................. 48
STARTING CIRCUIT .................................................................................................................................... 48
CHARGING CIRCUIT .................................................................................................................................. 48
VOLTAGE REGULATIONS .......................................................................................................................... 56
LOW OIL SHUTDOWN SWITCHES ............................................................................................................ 56
SERVICE ..................................................................................................................................................... 57
12 VOLT OR 120 VOLT ELECTRIC STARTERS WITH EXPOSED SHAFT ............................................... 57
12 VOLT D.C. OR 120 VOLT A.C. ELECTRIC STARTERS WITH THE STARTER GEAR UNDER
THE CAP ASSEMBLY ............................................................................................................................. 57
INSPECTION ............................................................................................................................................... 58
CHAPTER 7 FLYWHEEL BRAKE SYSTEMS............................................................................................. 59
GENERAL INFORMATION .......................................................................................................................... 59
OPERATION ................................................................................................................................................ 59
BOTTOM SURFACE SYSTEM .................................................................................................................... 59
INSIDE EDGE SYSTEM .............................................................................................................................. 60
COMPONENTS ............................................................................................................................................ 60
SERVICE ..................................................................................................................................................... 61
FLYWHEEL REMOVAL ............................................................................................................................... 61
BRAKE LEVER AND PAD ........................................................................................................................... 61
IGNITION GOUNDOUT TERMINAL ............................................................................................................ 61
STARTER INTERLOCK SWITCH ................................................................................................................ 62
CONTROL CABLE ....................................................................................................................................... 62
BRAKE BRACKET REPLACEMENT ........................................................................................................... 62
CHAPTER 8 IGNITION ................................................................................................................................ 63
GENERAL INFORMATION .......................................................................................................................... 63
OPERATION ................................................................................................................................................ 63
SOLID STATE IGNITION SYSTEM (CDI) .................................................................................................... 63
MAGNETO IGNITION SYSTEM (POINTS) .................................................................................................. 63
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