Table Of Contents - Tecumseh ECV105 Technician's Handbook

CONTENTS
CHAPTER 1 GENERAL INFORMATION ........................................................................................................ 1
ENGINE IDENTIFICATION .............................................................................................................................. 1
INTERPRETATION OF MODEL NUMBER ...................................................................................................... 1
SHORT BLOCKS ............................................................................................................................................. 2
FUEL ................................................................................................................................................................ 2
ENGINE OIL .................................................................................................................................................... 3
TUNE-UP PROCEDURE ................................................................................................................................. 3
STORAGE ........................................................................................................................................................ 4
CHAPTER 2 AIR CLEANERS ....................................................................................................................... 5
GENERAL INFORMATION .............................................................................................................................. 5
OPERATION .................................................................................................................................................... 5
COMPONENTS ............................................................................................................................................... 5
TROUBLESHOOTING OR TESTING .............................................................................................................. 5
SERVICE ......................................................................................................................................................... 6
DISASSEMBLY PROCEDURE ........................................................................................................................ 6
POLYURETHANE-TYPE FILTER ELEMENT .................................................................................................. 6
PAPER-TYPE FILTER ELEMENT ................................................................................................................... 6
CHAPTER 3 CARBURETORS AND FUEL SYSTEMS .................................................................................. 7
GENERAL INFORMATION .............................................................................................................................. 7
OPERATION .................................................................................................................................................... 8
FUEL PRIMERS ............................................................................................................................................... 8
IMPULSE FUEL PUMPS ................................................................................................................................. 9
FLOAT STYLE CARBURETORS ..................................................................................................................... 9
DIAPHRAGM (PRESSURE DIFFERENTIAL) CARBURETORS ..................................................................... 9
COMPONENTS ............................................................................................................................................. 10
CARBURETOR IDENTIFICATION ................................................................................................................ 11
DUAL SYSTEM CARBURETORS ................................................................................................................. 11
SERIES 1 CARBURETORS .......................................................................................................................... 11
SERIES 3 & 4 CARBURETORS .................................................................................................................... 11
DIAPHRAGM CARBURETORS ..................................................................................................................... 11
SERIES 6 CARBURETORS 4-CYCLE .......................................................................................................... 12
SERIES 8 ....................................................................................................................................................... 12
SERIES 9 ....................................................................................................................................................... 12
SERIES 10 (EMISSION) ................................................................................................................................ 12
NON-TECUMSEH CARBURETORS -- DELLORTO CARBURETOR .......................................................... 12
ENGINE TROUBLESHOOTING CHART ....................................................................................................... 13
CARBURETION TROUBLESHOOTING CHART .......................................................................................... 14
TESTING ....................................................................................................................................................... 15
SERVICE ....................................................................................................................................................... 15
CARBURETOR PRE-SETS AND ADJUSTMENTS ...................................................................................... 15
FINAL ADJUSTMENTS (NON-EMISSION ENGINES) .................................................................................. 16
NON-ADJUSTABLE CARBURETOR ............................................................................................................. 16
DISASSEMBLY PROCEDURE ...................................................................................................................... 17
FLOAT STYLE CARBURETORS ................................................................................................................... 17
DIAPHRAGM CARBURETORS ..................................................................................................................... 19
FLOAT ADJUSTING PROCEDURE .............................................................................................................. 19
INSPECTION ................................................................................................................................................. 20
ASSEMBLY .................................................................................................................................................... 21
STANDARD SERVICE CARBURETORS ...................................................................................................... 24
CHAPTER 4 GOVERNORS AND LINKAGE ................................................................................................ 26
GENERAL INFORMATION ............................................................................................................................ 26
OPERATION .................................................................................................................................................. 26
INTERNAL COMPONENTS (VARIOUS STYLES) ........................................................................................ 26
TROUBLESHOOTING ................................................................................................................................... 26
ENGINE OVERSPEEDING ........................................................................................................................... 27
ENGINE SURGING ....................................................................................................................................... 27
SERVICE ....................................................................................................................................................... 27
GOVERNOR ADJUSTMENT ......................................................................................................................... 27
GOVERNOR ADJUSTMENT PROCEDURE FOR SHORT BLOCK INSTALLATIONS ................................. 27
C Tecumseh Products Company
1998
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