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6VSG
Kohler 6VSG Service Manual
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TP-6844 1/13
Section 3
C
ontroller
43
Figure 3-18
Figure
3-18
V
oltage Calibrati
on from th
e Controller
Keypad
Generator
--
--
>
Metering
V
olts:
54.0 V
Load:
73%
Reset
Calibration
Reset
Calibration? No
<
-
-
-
-
Return
Reset
Calibration? Yes
Calibration
Reset
V
oltage:
54.0 V
Voltage reading f
l
a
s
h
e
s
.
V
oltage:
(new value) V
Press Arrow buttons to increase or
decrease voltage reading.
See the next section for load
calibration instructions.
voltageCal
42
44
Table of Contents
Product Identification Information
2
Table of Contents
3
Safety Precautions and Instructions
5
Introduction
9
Service Assistance
11
Section 1 Specifications
13
Introduction
13
Controller Specifications
13
Engine Service
13
Engine Specifications
13
Alternator Specifications
14
Torque Specifications
14
Rectifier Specifications
14
Service View
15
Section 2 Scheduled Maintenance
17
Service Schedule
17
Lubrication System
19
Low Oil Pressure Shutdown
19
Oil Check
19
Engine Oil Recommendation
19
Oil Change Procedure
19
Oil Cooler, 6VSG
20
Resetting the Maintenance Timer
20
Spark Plugs
21
Air Cleaner Service
21
Cooling System
23
Exhaust System
23
Stepper Motor Coupling
23
Engine Starting Battery
24
Fuel System Maintenance
25
Storage Procedure
25
Lubricating System
25
Fuel System
25
Cylinder Lubrication
25
Exterior Preparation
25
Battery
25
Section 3 Controller
27
Introduction
27
Sitetech and Oncue Software
27
Controller Parameters
28
Genset System Menu
28
Notes on Selected Parameters
31
Digital Inputs and Outputs
31
Controller Parameter Table
32
Controller Firmware
37
Controller Replacement
38
Controller Replacement Procedure
38
Controller Setup
40
Voltage Calibration
42
Voltage Calibration Using the Controller Keypad
42
Voltage Calibration Using Sitetech
44
Load (Current) Calibration
46
Calibration Using the VSC Controller Keypad and Menus
46
Calibration Using Sitetech
48
Setting the Oncue Password
49
Section 4 Troubleshooting
51
Introduction
51
Initial Checks
51
Controller Service Access
51
Circuit Protection
51
Oncue Troubleshooting
51
Fuel System Troubleshooting
52
Fault Messages
52
Status Messages
55
Troubleshooting Chart
57
Controller Troubleshooting
64
Section 5 Component Testing and Adjustment
65
Theory of Operation
65
Electrical Output Troubleshooting
65
No to Low Voltage Operation
65
Erratic Voltage Regulation
66
High Voltage
66
Rectifier Testing
66
Stator
68
Voltage Adjustments
69
Voltage Regulator Average Voltage Adjustment
69
Volts/Hz Slope
71
Voltage Regulator Gain
71
Governor System
71
Operation
71
Initial Checks
71
Hunting/Surging
72
Governor System Operation Test
73
Engine Speed Gain Adjustment for the Governor
74
Advanced Speed Control
74
Fault Shutdown Tests
76
Controller Fault Shutdown Functions
76
Fault Shutdown Switches
77
Fuel Systems
78
Fuel Solenoid Valve
79
Fuel Regulators
79
Fuel Conversion, 6VSG
80
Fuel Metering Valve Adjustment
81
Starter Relay
82
Continuity Checks
83
Section 6 Disassembly/Reassembly
85
Initial Steps
85
Disassembly
85
Assembly
89
Section 7 Drawings and Diagrams
91
Appendix A Abbreviations
99
Appendix B Common Hardware Application Guidelines
101
Appendix C General Torque Specifications
102
Appendix D Common Hardware Identification
103
Appendix E Common Hardware List
104
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Kohler 6VSG Specifications
General
Brand
Kohler
Model
6VSG
Category
Portable Generator
Language
English
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