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OHH60-71101C
Tecumseh OHH60-71101C Manuals
Manuals and User Guides for Tecumseh OHH60-71101C. We have
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Tecumseh OHH60-71101C manual available for free PDF download: Handbook
Tecumseh OHH60-71101C Handbook (95 pages)
4-CYCLE OVERHEAD VALVE ENGINES
Brand:
Tecumseh
| Category:
Engine
| Size: 3.08 MB
Table of Contents
Contents
2
Chapter 1 General Information
4
Engine Identification
4
Interpretation of Model Number
4
Engine Oil
5
Fuels
5
Short Blocks
5
Oil Change Intervals
6
Oil Change Procedure
6
Oil Check
6
Tune-Up Procedure
6
Draining the Fuel System
7
Oil Cylinder Bore
7
Storage
7
Air Cleaners
8
Components
8
Operation
8
Disassembly Procedure
9
Service
9
Troubleshooting or Testing
9
Flocked Screen
10
Paper-Type Filter Element
10
Polyurethane-Type Filter Element or Pre-Cleaner
10
Carburetors and Fuel Systems
11
Float Style Carburetors
12
Fuel Primers
12
Impulse Fuel Pumps
12
Carburetor Visual Identification
13
Series 1 Carburetors
13
Series 3 & Series 4 Carburetors
13
Series 6 Carburetors
13
Series 10
14
Series 8
14
Series 9
14
Walbro Model LMK
14
Carburetor Pre-Sets and Adjustments
15
Testing
15
Final Adjustments
16
Pre-Sets and Adjustments (Tecumseh and Walbro Carburetors)
16
Tecumseh Carburetors
16
Carburetor Disassembly Procedure
17
Impulse Fuel Pump
18
Float Adjusting Procedure
19
Idle and High Speed Mixture Adjusting Screw
19
Inspection
19
Throttle and Choke
19
Fuel Bowl, Float, Needle and Seat
20
Assembly Procedure
21
Throttle Shaft and Plate
21
Welch Plugs
21
Choke Shaft and Plate
22
Fuel Inlet Fitting
22
High and Low Speed Adjusting Screw, Main Nozzle
22
Float Installation
23
Inlet Needle and Seat
23
Fuel Bowl and Bowl Nut
24
Installing the Float Bowl
24
Primer Bulb
24
Engine Overspeeding
25
Engine Surging
25
Governors and Linkage
25
Troubleshooting
25
Governor Adjustment
26
Governor Gear and Shaft Replacement, Upset Style Governor Shaft
26
Governor Gear and Shaft Service
26
Governor Shaft Replacement, Retaining Ring Style
27
OHH Governed Idle Speed Control
28
OHH Remote Speed Control
28
Speed Controls and Linkage
28
Conversion to Remote Control
30
OHV 11-17 Horizontal Speed Control
31
OVM, OVXL, OHV Vertical Speed Control
31
Recoil Starters
32
Rope Service
32
Rope Retainer Replacement
33
Stylized Rewind Starter and Stamped Steel Starter
33
Stylized Rewind Starter with Plastic Retainer
34
Keeper Spring Style Starters
35
Charging Circuit
38
Electrical Systems
38
Starting Circuit and Electric Starters
38
Converting Alternating Current to Direct Current
39
Full Wave Rectifier Bridge Rectifier
39
Half Wave Rectifier Single Diode
39
Basic Checks
40
Electrical Terms
40
Wire Gauge
40
Troubleshooting Electrical Starter Circuit Flow Chart
41
Troubleshooting Electrical Charging Circuit Flow Chart
42
350 Milliamp Charging System
43
Charging Circuit Testing Procedure
43
Starting Circuit Testing Procedure
43
18 Watt A.C. Lighting Alternator
44
2.5 Amp D.C., 35 Watt Lighting
44
3 AMP DC Alternator System - Diode in Harness Sleeve
45
3 Amp D.C. 5 Amp A.C. Alternator
46
5 AMP D.C. Alternator System Regulator-Rectifier under Blower Housing
46
Models OHV 13.5-17.0 (3/5 Amp Split)
47
Models OVM/OVXL/OHV12.5
47
7 Amp D.C. Alternator System Regulator - Rectifier under Engine Housing
48
10 Amp A.C. Alternator
49
16 Amp Alternator System with External Regulator
49
Fuel Shut-Down Solenoids
49
Voltage Regulators
49
Low Oil Shutdown Switches
50
12 Volt or 120 Volt Electric Starters
51
Electric Starter Service
51
Low Oil Pressure Sensor
51
Low Oil Sensor
51
Brush Card Replacement
52
Inspection and Repair
52
Flywheel Brake Systems
53
Brake Bracket Assembly
55
Control Cable
55
Ignition Groundout Terminal
55
Starter Interlock Switch
55
Ignition
56
Solid State Ignition System (CDI)
56
Four Cycle Ignition Troubleshooting
58
Conditions Causing Frequent Spark Plug Fouling
59
Spark Plug Service
59
Ignition Timing Check
60
4-Cycle Engine Theory
61
Chapter 9 Internal Engine and Cylinder
61
Counterbalance Systems
62
Lubrication Systems
62
Engine Operation Problems
64
Engine Knocks
66
Engine Misfires
66
Engine Overheats
66
Engine Surges or Runs Unevenly
66
Breather Passing Oil
67
Engine Vibrates Excessively
67
Excessive Oil Consumption
67
Engine Disassembly Procedure
68
Lacks Power
68
Cylinders
71
Cylinder Head and Valve Train Service
72
Valves, Springs, and Push Rods
72
Piston
73
Piston Ring Orientation
73
Piston Rings
73
Connecting Rods
74
Crankshafts and Camshafts
74
Valve Seats
75
Valve Guide Installation
76
Valve Guide Removal
76
Valve Guides
76
Valve Lifters
76
Crankcase Breathers
77
Side Mounted Breather
77
Top Mounted Breather
77
Ball Bearing Service
78
Crankshaft Bearing Service
78
Cylinder Cover
78
Oil Seal Service
78
Engine Assembly
79
Service Bushing
79
Engine Specifications and Sears Craftsman Cross-Reference
86
Overhead Valve Torque Specifications
89
Educational Materials and Tools
91
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