Tecumseh TVM125 - 220 Vertical Engine Manuals

Manuals and User Guides for Tecumseh TVM125 - 220 Vertical Engine. We have 1 Tecumseh TVM125 - 220 Vertical Engine manual available for free PDF download: Technician's Handbook

Tecumseh TVM125 - 220 Technician's Handbook

Tecumseh TVM125 - 220 Technician's Handbook (118 pages)

3 to 11 hp 4-cycle l-head engine

Brand: Tecumseh | Category: Engine | Size: 3 MB

Table of Contents

Table of Contents
2
Chapter 1 General Information

5
- Engine Identification
  5
- Interpretation of Model Number
  5
- Short Blocks
  6
- Fuel
  6
- Engine Oil
  7
- Tune-Up Procedure
  7
- Storage
  8
Chapter 2 Air Cleaners

9
- General Information
  9
- Operation
  9
- Components
  9
- Troubleshooting or Testing
  9
- Service
  10
- Disassembly Procedure
  10
- Polyurethane-Type Filter Element
  10
- Paper-Type Filter Element
  10
Chapter 3 Carburetors and Fuel Systems

11
- General Information
  11
- Operation
  12
- Fuel Primers
  12
- Impulse Fuel Pumps
  13
- Float Style Carburetors
  13
- Diaphragm (Pressure Differential) Carburetors
  13
- Components
  14
- Carburetor Identification
  15
- Dual System Carburetors
  15
- Series 1 Carburetors
  15
- Series 3 & 4 Carburetors
  15
- Diaphragm Carburetors
  15
- Series 6 Carburetors 4-Cycle
  16
- Series 8
  16
- Series 9
  16
- Series 10 (Emission)
  16
- Series 11
  16
- Series 11 Bridged
  17
- Non-Tecumseh Carburetors Dellorto Carburetor
  17
- Engine Troubleshooting Chart
  17
- Carburetion Troubleshooting Chart
  18
- Testing
  19
- Service
  19
- Carburetor Pre-Sets and Adjustments
  19
- Final Adjustments (Non-Emission Engines)
  20
- Non-Adjustable Carburetor
  20
- Disassembly Procedure
  21
- Float Style Carburetors
  21
- Diaphragm Carburetors
  23
- Float Adjusting Procedure
  23
- Inspection
  24
- Assembly
  25
- Standard Service Carburetors
  28
- Throttle Lever
  29
Chapter 4 Governors and Linkage

30
- General Information
  30
- Operation
  30
- Internal Components (Various Styles)
  30
- Troubleshooting
  30
- Engine Overspeeding
  31
- Engine Surging
  31
- Service
  31
- Governor Adjustment
  31
- Governor Adjustment Procedure for Short Block Installations
  31
- Governor Gear and Shaft Service
  32
- Speed Controls and Linkage
  33
- Vertical Shaft Engines
  37
Chapter 5 Rewind Starters

39
Chapter 6 Electrical Systems

46
- General Information
  46
- Operation
  46
- Starting Circuit and Electric Starters
  46
- Charging Circuit
  46
- Converting Alternating Current to Direct Current
  47
- Half Wave Rectifier Single Diode
  47
- Full Wave Rectifier Bridge Rectifier
  47
- Components
  47
- Battery
  47
- Wiring
  47
- Electrical Terms
  48
- Basic Checks
  49
- Troubleshooting Electrical Starter Circuit Flow Chart
  50
- Troubleshooting Electrical Charging Circuit Flow Chart
  51
- Testing Procedure
  52
- Starting Circuit
  52
- Charging Circuit
  52
- Voltage Regulations
  60
- Low Oil Shutdown Switches
  60
- Service
  61
- Volt or 120 Volt Electric Starters with Exposed Shaft
  61
- The Cap Assembly
  61
- Inspection
  62
Chapter 7 Flywheel Brake Systems

63
- General Information
  63
- Operation
  63
- Bottom Surface System
  63
- Inside Edge System
  64
- Components
  64
- Service
  65
- Flywheel Removal
  65
- Brake Lever and Pad
  65
- Ignition Goundout Terminal
  65
- Starter Interlock Switch
  66
- Control Cable
  66
- Brake Bracket Replacement
  66
Chapter 8 Ignition

67
- General Information
  67
- Operation
  67
- Solid State Ignition System (CDI)
  67
- Magneto Ignition System (Points)
  67
- Identification of Tecumseh Ignition Systems
  68
- Components
  68
- Ignition Troubleshooting
  70
- Testing Procedure
  71
- Service
  72
- 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
- General Information
  76
- Operation
  76
- 4-Cycle Engine Theory
  76
- Lubrication Systems
  77
- Counterbalance Systems
  77
- Components
  78
- Engine Operation Problems
  79
- Engine Operation Problems
  80
- Testing
  81
- Engine Knocks
  81
- Engine Overheats
  81
- Surges or Runs Unevenly
  81
- Engine Misfires
  81
- Engine Vibrates Excessively
  82
- Breather Passing Oil
  82
- Excessive Oil Consumption
  82
- Lacks Power
  82
- Service
  83
- Disassembly Procedure
  83
- Cylinders
  85
- Cylinder Heads
  86
- Pistons, Rings and Connecting Rods
  86
- Connecting Rods
  87
- Crankshafts and Camshafts
  88
- Valves
  89
- Crankcase Breathers
  90
- Cylinder Cover, Oil Seal, and Bearing Service
  91
- Crankshaft Bearing Service
  92
- Counterbalance Service
  93
- Flywheel Service
  93
Chapter 10 Engine Specifications

94
Chapter 11 Education Materials and Tools

106
- Decimal/Fraction Conversions
  109

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