TECUMSEH AH520 - Manuals

Manuals and User Guides for TECUMSEH AH520 -. We have 3 TECUMSEH AH520 - manuals available for free PDF download: Quick Reference, Technician's Handbook, Handbook

Tecumseh AH520 - Technician's Handbook (69 pages)

2-cycle Engines

Brand: Tecumseh | Category: Engine | Size: 1 MB

Contents
2
General Information
4
Engine Identification
4
Interpretation of Model Number
4
Engine Care
5
Short Blocks
5
Storage
5
Tune-Up Procedure
6
Exhaust Port Cleaning
6
2-Cycle Theory of Operation
7
Operation of Piston Port Style
7
Lubrication
7
Operation of Reed Ported Style with Loop Scavenging
7
General Carburetor Information
9
Carburetor Identification
9
Diaphragm Carburetors
9
Float-Type Carburetors
9
Operation
10
Carburetor Service
10
Throttle
10
Choke
11
Fuel Bowl
11
Adjusting Screws
11
Float
11
Inlet Needle and Seat
12
Needle and Seat Pop-Off Test
12
Float Height Settings
12
Primer Bulb
13
Cleaning Carburetor Body
13
Diaphragms
13
Fuel Inlet Fitting
14
The Primer Bulb
14
Carburetor Check Valve
14
Carburetor Service Procedure
15
Emissionized Diaphragm Carburetion
16
Outboard Carburetors
16
Outboard Control Panel
17
Carburetor Adjustments
18
Idle Speed Adjustment
18
Float Type-Fixed Main, Idle Adjust
18
Diaphragm - Single and Dual Adjustment
18
Troubleshooting Carburetion
19
Points to Check for Carburetor Malfunction
19
Float Carburetor Checks
19
Checks for Diaphragm
19
Standard Service Carburetors
20
Fuel Fitting
20
Inlet Fuel Fitting
20
Idle Speed Adjustment Screw
20
Governors and Linkage
21
Air Vane Governors
21
Linkage Installation
21
Rewind Starters, Electric Starters and Alternators
23
Rewind Starters
23
Components
23
Rope Service
23
Retainer Replacement
24
Stylized Rewind Starter
24
Disassembly Procedure
24
Assembly Procedure
25
Vertical Pull Starter Horizontal Engagement Type
25
Stylized Rewind Starter with Plastic Retainer
26
Vertical Pull Starter, Vertical Engagement Type
27
Rewind Starter Mounted in Housing Disassembly Procedure
28
Electric Starters
29
Drive Assembly Service
29
Troubleshooting Starters
30
Check Brushes
30
Armature Check
30
Check Field
30
Alternators
31
Checking the System
31
Flywheel (Inside-Edge) Brake System
32
Inside Edge System
32
Service
32
Inside Edge
33
Control Cable
33
Ignition Ground out Terminal
33
Starter Interlock Switch
33
Ignition
34
Ignition Operation
34
Magneto Ignition
34
Coil
34
1985 To Present
35
Solid State Ignition
35
Solid State Ignition Operation
35
Ignition Service
36
Spark Plug Service
36
Flywheel Removal and Service
36
Flywheel Magnets
36
Flywheel Keys
37
Flywheel Sleeve
37
Replacing Magneto Breaker Points
37
Condenser Check
37
Fixed Time System
39
Solid State
39
Other Ignition Systems
39
Outboard Timing
41
Cylinders & Internal Components
44
Piston & Ring Service
44
Connecting Rod Service
45
Needle Bearings
45
Crankshaft, Bearing and Oil Seal Service
46
One Piece Seals
46
Oil Seals
46
Three Piece Seals
47
Cylinders, Reeds & Compression Release
48
Automatic Compression Release (Single Reed Type)
48
Reed Valves
48
Automatic Compression Release (Double Reed Type)
48
Cylinder Exhaust Ports
49
Troubleshooting
50
2 Cycle Engine Troubleshooting Chart
50
Specifications
53
Engine Type Number and Letter Reference
53
Sears Craftsman Cross Reference
54
Table of Specifications
55
Table of Torque Limits
65
Educational Materials and Tools
66
Tool Kit 670195D
67

TECUMSEH AH520 - Quick Reference (73 pages)

Quick Reference Service Information

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

Tecumseh AH520 - Handbook (68 pages)

2-CYCLE ENGINES

Brand: Tecumseh | Category: Engine | Size: 1 MB

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More TECUMSEH Manuals

TECUMSEH AH520 - Manuals

Tecumseh AH520 - Technician's Handbook (69 pages)

Table of Contents

TECUMSEH AH520 - Quick Reference (73 pages)

Tecumseh AH520 - Handbook (68 pages)

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