TECUMSEH TVXL170-220 - TECHNICIAN S Manuals

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Tecumseh TVXL170-220 - TECHNICIAN S Manual (119 pages)

Tecumseh engines

Brand: Tecumseh | Category: Engine | Size: 4.1 MB

Contents
2
General Information
5
Engine Identification
5
Interpretation of Mode
5
Short Blocks
6
Fuel
6
Reformulated and Oxygenated Fuels
6
Engine Oil
7
Capacities
7
Oil Change Intervals
7
Oil Check
7
Storage
8
Draining the Fuel System
8
Change Oil
8
Oil Cylinder Bore
8
Air Cleaners
9
Operation
9
Components
9
Troubleshooting or Testing
9
Service
10
Disassembly Procedure
10
Polyurethane-Type Filter Element
10
Paper-Type Filter Element
10
Carburetors and Fuel Systems
11
Fuel Primers
12
Impulse Fuel Pumps
13
Float Style Carburetors
13
Diaphragm Carburetors
13
Carburetor Identification
15
Dual System Carburetors
15
Series 1 Carburetors
15
Series 3 and Series 4 Carburetors
15
Series 6 Carburetors 4 Cycle
16
Series 8
16
Series 10
16
Series 11
16
Series 11 Bridged
17
Engine Troubleshooting
17
Carburetion Troubleshooting
18
Testing
19
Carburetor Pre-Sets and Adjustment
19
Pre-Sets and Adjustments
20
Final Adjustments
20
Tecumesh Carburetors
20
Non-Adjustable Carburetors
20
Disassembly
21
Assembly
25
Welch Plugs
25
Throttle Shaft and Plate
25
Choke Shaft and Plate
25
High and Low Speed Adjusting Screw, Main Nozzle
26
Inlet Needle and Seat
26
Needle and Seat Pop-Off Test
26
Float Installation
26
Diaphragm Assembly
27
Fuel Bowl and Bowl Nut
27
Impulse Fuel Pump
27
Standard Service Carburetors
28
Primer Bulb
28
Final Checks
28
Fuel Fitting
28
Throttle Lever
29
Idle Speed Adjustment Screw
29
Governors and Linkage
30
Troubleshooting
30
Engine Overspeeding
31
Engine Surging
31
Governor Adjustment
31
Governor Adjustment Procedure for Short Block Installations
31
Governor Gear and Shaft Service
32
Governor Spool Replacement with Upset Style Governor Shaft
32
Governor Shaft Replacement
32
Speed Controls and Linkage
33
Adjusting RPM on Medium Frame Vertical Speed Control
34
Adjusting Governed/Non-Governed
34
Adjusting RPM on Medium Frame Vertical
34
Horizontal Shaft Engines
35
Vertical Shaft Engines
37
Governor Override System
38
Governed/Non-Governed Idle
38
Rewind Starters
39
Retainer Replacement
40
Stylized Rewind Starter and Stamped Steel Starter
40
Standard Rope Lengths
40
Assembly Procedure
41
Stylized Rewind Starter with Plastic Retainer
41
Standard Stamped Steel and Cast Aluminum Starter
42
Vertical Pull Starter Horizontal Engagement Type
43
Vertical Pull Starter, Vertical Engagement Type
44
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
Full Wave Rectifier
47
Battery
47
Wire Gauge
48
Electrical Terms
48
Alternator
48
Ignition Coil
48
Basic Checks
49
Troubleshooting Electric Starter Circuit Flow Chart
50
Testing Procedure
52
Starting Circuit
52
Checking the System
52
18 Watt A.C. Lighting Alternator
53
1 Amp Add-On Alternator
53
D.C. Charging Adaptor
53
2.5 Amp D.C., 35 Watt Lighting
54
3 Amp A.C. Lighting Alternator
54
3 Amp D.C. Alternator System
55
5 Amp Alternator System Regulator - Rectifier
57
3 Amp D.C. 5 Amp A.C. Alternator
57
Under Blower Housing
57
7 Amp Alternator System Regulator - Rectifier External to Engine
58
Flywheel Brake Systems
63
Inside Edge System
64
Ignition Kill Switch
64
Interlock Switch
64
Flywheel Removal
65
Brake Lever and Pad
65
Bottom Surface
65
Inside Edge
65
Starter Interlock Switch
66
Control Cable
66
Brake Bracket Replacement
66
Ignition
67
Solid State Ignition System
67
Magneto Ignition System
67
Identification of Tecumseh Ignition Systems
68
Flywheel with Magnets
68
The Condenser
69
The Spark Plug
69
The Contact Points
69
The Stator Plate
69
Ignition Troubleshooting
70
Spark Plug Service
72
Conditions Causing Frequent Spark Plug Fouling
72
Ignition Timing
72
The Standard Point System
72
Fixed Timed System
74
Solid State Ignition Timing
74
Service Tips
75
Other Solid State Systems
75
Internal Engine and Cylinder
76
4-Cycle Engine Theory
76
Intake
76
Copmression
76
Lubrication Systems
77
Counterbalance Systems
77
Cylinder Block
78
Piston
78
Piston Rings
78
Connecting Rod
78
Engine Operation Problems
79
Engine Knocks
79
Overheats
79
Surges or Runs Unevenly
79
Engine Misfires
80
Engine Vibrates Excessively
80
Breather Passing Oil
80
Lacks Power
80
Engine Overheats
81
Cylinders
85
Cylinder Heads
86
Emission Rings
87
Connecting Rods
87
Crankshafts
88
Camshafts
88
Valves
89
Valve Seats
90
Valve Lifters
90
Oversize Valve Guides
90
Top Mounted Breather
90
Side Mounted Breather
91
Integral Breather
91
Cylinder Cover
91
Crankshaft Bearing Service
92
Oil Seal Service
92
Ball Bearing Service
92
Counterbalance Service
93
Flywheel Service
93
Engine Specifications
94
Four Cycle Torque Specifications
95
Engine Specifications Standard Point Ignition
97
Educational Materials and Tools
106
Special Booklets
106
Video Programs
106
Oil Seal Driver
107
Flywheel Knock-Off Tool
107
Oil Seal Remover
107
Vibration Tachometer
107
Valve Lapping Tool
108
Rebuhing Drivers
108
Decimal/Fraction Conversions
109
Reference Charts
110

Tecumseh TVXL170-220 - TECHNICIAN S Technician's Handbook (118 pages)

3 to 11 hp 4-cycle l-head engine

Brand: Tecumseh | Category: Engine | Size: 3.4 MB

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

TECUMSEH TVXL170-220 - TECHNICIAN S Handbook (124 pages)

3 TO 11 HP 4-CYCLE L-HEAD ENGINES

Brand: TECUMSEH | Category: Engine | Size: 2.61 MB

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
Chapter 5 Rewind Starters

39
Chapter 6 Electrical Systems

46
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
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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TECUMSEH TVXL170-220 - TECHNICIAN S Manuals

Tecumseh TVXL170-220 - TECHNICIAN S Manual (119 pages)

Table of Contents

Tecumseh TVXL170-220 - TECHNICIAN S Technician's Handbook (118 pages)

Table of Contents

Chapter 1 General Information

Chapter 2 Air Cleaners

Chapter 3 Carburetors and Fuel Systems

Chapter 4 Governors and Linkage

Chapter 5 Rewind Starters

Chapter 6 Electrical Systems

Chapter 7 Flywheel Brake Systems

Chapter 8 Ignition

Chapter 9 Internal Engine and Cylinder

Chapter 10 Engine Specifications

Chapter 11 Education Materials and Tools

TECUMSEH TVXL170-220 - TECHNICIAN S Handbook (124 pages)

Table of Contents

Chapter 1 General Information

Chapter 2 Air Cleaners

Chapter 3 Carburetors and Fuel Systems

Chapter 4 Governors and Linkage

Chapter 5 Rewind Starters

Chapter 6 Electrical Systems

Chapter 7 Flywheel Brake Systems

Chapter 8 Ignition

Chapter 9 Internal Engine and Cylinder

Chapter 11 Educational Materials and Tools

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