Kohler OHC18 Manuals

Manuals and User Guides for Kohler OHC18. We have 1 Kohler OHC18 manual available for free PDF download: Service Manual

Kohler OHC18 Service Manual (117 pages)

Horizontal Crankshaft

Brand: Kohler | Category: Engine | Size: 10.41 MB

Contents
2
Safety Precautions
3
Engine Identification Numbers
5
Oil Recommendations
6
Fuel Recommendations
6
Gasoline/Alcohol Blends
6
Gasoline/Ether Blends
6
Periodic Maintenance
7
Storage
7
Typical Engine Dimensions, Torque and Horsepower Curves
8
General Specifications
9
General Torque Values
14
Special Tools
16
RTV Silicone Sealant
17
Troubleshooting
18
Basic Engine Tests
20
Crankcase Vacuum Test
20
No Crankcase Vacuum/Pressure in Crankcase
20
Compression Test
20
Cylinder Leakdown Test
21
Air Cleaners and Air Intake System
22
Precleaner Service
22
Paper Element Service
23
Standard Air Cleaner System Components View
24
Top Tank Air Cleaner System Components View
24
Complete Disassembly and Reassembly
25
Air Intake/Cooling System
25
Air Cleaner Element Cover, Grommet and Seal
25
Air Cleaner Base
25
Fuel System and Governor
26
Fuel Type
26
Fuel Filter
26
Fuel System Tests
27
Troubleshooting - Fuel System Related Causes
27
Fuel Pump
28
Carburetor
28
Float Circuit
28
Slow Circuit
28
Main Circuit
29
Troubleshooting - Carburetor Related Causes
30
Fuel Shut-Off Solenoid
31
Carburetor Adjustments
31
Low Idle Speed Adjusting Screw
31
Float Replacement
32
Float Kit Contents
32
Proper Float Level Diagram
32
Carburetor Disassembly
33
Carburetor Exploded View
33
Carburetor Inspection/Repair
34
Carburetor Reassembly
34
Overhaul Kit with Gaskets Contents
34
Choke Repair Kit with Gaskets Contents
34
Governor - General Information
35
Governor Adjustments
35
View of Internal Governor Components on #2 Side Camshaft
35
Initial Governor Adjustment
36
Governor Sensitivity Adjustment
36
Lubrication System
37
Checking Oil Level
37
Oil Change: Overhead Valve
38
Location of Dipstick and Oil Drain Plug
38
Oil Level Marks on Dipstick
38
Location of Oil Drain on Oil Filter Side
38
Changing Oil Filter
39
Oil Sentry - General Information
40
Oil Sentry Installation
40
Oil Sentry Testing
40
Retractable Starter
41
To Remove Starter
41
To Install Starter
41
Rope Replacement
41
Pawls (Dogs) Replacement
42
Pawl Repair Kit
42
Removing Starter Handle
42
Installing Rope
42
Retractable Starter Disassembly
43
Retractable Starter Inspection and Service
44
Retractable Starter Reassembly
44
Installing Pulley and Spring into Housing
44
Installing Pawls and Pawl Springs
44
Electrical System and Components
46
Spark Plugs
46
Spark Plugs Inspection
47
Battery Information
48
Battery Maintenance
48
Electronic CD Ignition Systems
49
Battery Test
49
Capacitive Discharge Ignition System Diagram
50
Capacitive Discharge Ignition Module Diagram
50
Troubleshooting CD Ignition Systems
51
Battery Charging Systems
52
15 Amp Regulated Charging System with Panel Diagram
52
15/25 Amp Regulated Battery Charging System with Panel Diagram
53
15 Amp Stator and Rectifier-Regulator Diagram
54
25 Amp Stator and Rectifier-Regulator Diagram
54
15-25 Amp Battery Charging System Troubleshooting
55
Connections for Testing Charging System
56
Starting Motor Precautions
57
Troubleshooting Guide - Starting Difficulties
57
Operation - Intertial Drive Starters
58
UT Starter Drive Service
58
Retaining Ring Installation
59
UT Starter Disassembly
60
UT Commutator Service
60
UT Starter Reassembly
60
Solenoid Shift Electric Starter
61
Starter Removal and Reinstallation
62
Starter Disassembly
62
Brush Replacement
63
Starter Service
64
Starter Reassembly
64
Starter: Lubrication Points View
65
Tightening the Retainer
65
Installing the Stop Collar
65
Installing the Brush Springs
66
Disassembly
67
Disconnect Spark Plug Leads
67
Turn Fuel off
68
Drain Oil from Crankcase and Remove Oil Filter
68
Remove Air Cleaner Assembly
68
Remove Fuel Tank
68
Remove Muffler
69
Disconnect Carburetor Linkage
69
Standard Throttle Control Detail View
69
Remove Retractable Starter or Grass Screen
70
Remove Blower Housing
70
Remove Electric Starter
71
Remove Side Baffles
71
Remove Ignition Modules
71
Remove Flywheel
72
Remove Stator
73
Remove Timing Belt
73
Remove Valve Covers
73
Remove #1 Side Camshaft and Rocker Arms
74
Remove #2 Side Camshaft and Rocker Arms
74
Remove Governor Yoke and Cross Shaft
75
Remove Rectifier-Regulator
75
Remove Valley Baffle
76
Remove Crankcase Breather
76
Remove Oil Sentry Switch
77
Remove Oil Filter Adapter
77
Separate Crankcase Halves
77
Remove Oil Pump
79
Remove Oil Pressure Relief Parts
80
Remove Connecting Rods
80
Remove Crankshaft
81
Crankshaft Disassembly
81
Remove Connecting Rods with Pistons and Rings
82
Remove Valve Train
82
Inspection and Reconditioning
83
Camshafts Inspection and Service
84
Crankshaft Inspection and Service
84
To Remove Crankshaft Plug
85
To Install New Plug
85
Cylinder Bore Inspection and Service
86
Flywheel Inspection
86
Fuel Pump Inspection
86
Valves Inspection and Service
87
Pistons and Rings Inspection
90
Valve Guides Inspection
90
Valve Seat Insterts Inspection
90
Lapping Valves Inspection
90
Install New Piston Rings
92
Connecting Rods Inspection and Service
93
Oil Seals in Crankcase Halves Inspection
93
Oil Pump Reconditioning
94
Reassembly
96
Install Valve Train
96
Install Connecting Rods with Pistons and Rings
97
Install Crankshaft
97
Install Oil Pick-Up Screen
98
Install Oil Pressure Relief
98
Install Oil Pump
99
Assemble Crankcase Halves
100
Stator Wire Routing
101
Install Crankcase Breather
101
Install Oil Filter Adapter
102
Install Oil Sentry Switch
103
Install Valley Baffle and Wiring
103
Install Rectifier-Regulator
103
Install Governor/Camshaft #2 Side
104
Install Camshaft #1 Side
105
Install Timing Belt
105
Install Flywheel
107
Install Ignition Modules
108
Set Valve Clearance
108
Install #1 Side Valve Cover
109
Install #2 Side Valve Cover
109
Install Dipstick
110
Install Spark Plugs
110
Install Cylinder Side Baffles
110
Install Electric Starter Motor
111
Install Blower Housing
111
Install Grass Screen or Retractable Starter
112
Install Carburetor and Controls
112
Install Muffler
113
Install Air Cleaner
113
Install Fuel Tank - Top Mounted
114
Install Drain Plugs and Oil Filter
114
Connect Spark Plug Leads
114
Prepare the Engine for Operation
115
Testing the Engine
115

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