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ECV100-120
Handbook
Table Of Contents - Tecumseh ECV100-120 - TECHNICIAN S Handbook
3 to 11 hp 4-cycle l-head engines
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Technician's handbook
(118 pages)
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Manual
(119 pages)
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
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Table of Contents
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Table Of Contents
Chapter 1 General Information
5
Engine Identification
5
Interpretation Of Model Number
5
Short Blocks
6
Engine Oil
7
Tune-Up Procedure
7
Chapter 2 Air Cleaners
9
Troubleshooting Or Testing
9
Main Menu
9
Disassembly Procedure
10
Polyurethane-Type Filter Element
10
Paper -Type Filter Element
10
Chapter 3 Carburetors And Fuel Systems
11
Fuel Primers
12
Operation
12
Impulse Fuel Pumps
13
Float Style Carburetors
13
Diaphragm (Pressure Differential) Carburetors
13
Series 6 Carburetors 4-Cycle
16
Series 10 (Emission)
16
Engine Troubleshooting
17
Pre-Sets And Adjustments
20
Final Adjustments (Non Emission Engines)
20
Tecumseh Carburetors
20
Impulse Fuel Pump
23
Float Adjusting Procedure
23
Standard Service Carburetors
28
Diaphragm Type Carburetor
29
Chapter 4 Governors And Linkage
30
Engine Overspeeding
31
Engine Surging
31
Governor Adjustment Procedure For Short Block Installations
31
Governor Gear And Shaft Service
32
Speed Controls And Linkage
33
Chapter 5 Rewind Starters
39
Rope Service
39
Retainer Replacement
40
Stylized Rewind Starter With Plastic Retainer
41
Standard Stamped Steel And Cast Aluminum Starter (Hm, Vm)
42
Vertical Pull Starter Horizontal Engagement Type
43
Vertical Pull Starter, Vertical Engagement Type
44
Chapter 6 Electrical Systems
46
Starting Circuit And Electric Starters
46
Charging Circuit
46
Converting Alternating Current To Direct Current
47
Half Wave Rectifier Single Diode
47
Electrical Terms
48
Basic Checks
49
Troubleshooting Electrical Starter Circuit Flow Chart
50
Troubleshooting Electrical Charging Circuit Flow Chart
51
Volt Or 120 Volt Electric Starters With Exposed Shaft
61
Inspection And Repair
62
Chapter 7 Flywheel Brake Systems
63
General Information
63
Inside Edge System
64
Flywheel Removal
65
Brake Lever And Pad
65
Chapter 8 Ignition
67
Magneto Ignition System (Points)
67
Identification Of Tecumseh Ignition Systems
68
Ignition Troubleshooting
70
Testing Procedure
71
Spark Plug Service
72
Conditions Causing Frequent Spark Plug Fouling
72
Ignition Timing Procedure
72
Service Tips
75
Chapter 9 Internal Engine And Cylinder
76
Lubrication Systems
77
Counterbalance Systems
77
Engine Operation Problems
79
Engine Knocks
79
Engine Overheats
81
Surges Or Runs Unevenly
81
Engine Misfires
81
Cylinder Heads
86
Pistons, Rings, And Connecting Rods
86
Crankshafts And Camshafts
88
Cylinder Cover, Oil Seal, And Bearing Service
91
Crankshaft Bearing Service
92
Counterbalance Service
93
Flywheel Service
93
Engine Specifications
94
Four Cycle Torque Specifications
95
Engine Specifications Standard Point Ignition
97
Solid State And External Ignition
101
Chapter 11 Educational Materials And Tools
106
Decimal/Fraction Conversions
109
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Table of Contents
Troubleshooting
CHAPTER 2 AIR CLEANERS
9
ENGINE TROUBLESHOOTING
17
TROUBLESHOOTING ELECTRICAL STARTER CIRCUIT FLOW CHART
50
TROUBLESHOOTING ELECTRICAL CHARGING CIRCUIT FLOW CHART
51
IGNITION TROUBLESHOOTING
70
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