Kohler 38RCL - Page 84

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TP-6811 7/1684 Section 6 Component Testing and Adjustment

1. Engine Speed Adjustment

2. Engine Run S peed Setting (changes automatically with Genset System Frequency)

3. Genset System Frequency Setting (50 or 60 Hz)

Figure 6-11 Engine Speed and Frequency Adjustments in SiteTech

Main Page

Table of Contents3
Safety Precautions and Instructions5
Introduction11
List of Related Materials11
Service Assistance12
Section 1 Specifications13
Introduction13
Controller Specifications13
Engine Service13
Engine Specifications13
Alternator Specifications13
Torque Specifications13
Service Views14
Section 2 Scheduled Maintenance17
General Maintenance17
Service Schedule18
Lubrication System19
Oil Specifications19
Oil Check19
Oil Additions19
Oil and Filter Change19
Air Cleaner20
Exhaust System21
Ignition System22
Battery24
Checking Electrolyte Level25
Checking Specific Gravity25
Fuel System Maintenance26
Section 3 Controller27
Introduction27
Sitetech Software27
Controller Parameters28
Controller Parameters Table28
Notes on Selected Parameters28
Controller Firmware41
Controller Replacement42
Controller Setup44
Voltage Calibration47
Calibration Using the RDC2 Controller Keypad and Menus47
Calibration Using Sitetech49
Setting the Oncue Password51
Section 4 Cooling System53
General53
Clean Radiator Fins and Inspect Hoses54
Engine Thermostat54
Cooling System Inspection55
Checking and Filling Coolant55
Draining Cooling System55
Flushing and Cleaning55
Filling Cooling System56
Pressure Cap56
Cooling Fans57
Fan Operation57
Fan Troubleshooting Guide58
Section 5 Troubleshooting59
Introduction59
Theory of Operation, Electronic Start Sequence59
Initial Checks59
Circuit Protection60
Line Circuit Breaker60
Fuses60
Controller Internal Circuit Protection60
Fuel System Troubleshooting60
Controller Service Access61
Fault Messages61
Status Messages67
Generator Set Troubleshooting70
Controller Troubleshooting74
Section 6 Component Testing and Adjustment75
Theory of Operation75
Alternator Excitation Troubleshooting75
Low to no Voltage Operation76
Erratic Voltage Regulation77
Overvoltage Condition77
LED Optic Board Test Procedure77
Voltage Connections79
Additional Alternator Service Information79
Voltage Adjustments79
Voltage Adjustments Using Sitetech80
Voltage Regulator Average Voltage Adjustment80
Volts/Hz Slope and Cut-In Frequency82
Voltage Regulator Gain82
Frequency Adjustment83
Engine Speed Governor Settings83
Hunting/Surging83
Generator Set Switches85
Engine Compartment Air Temperature Sensor85
Other Switches and Sensors85
Fuel Systems86
Fuel Solenoid Valves87
Checking the Fuel Pressure87
Fuel Conversion Procedures88
Section 7 Disassembly/Reassembly89
Introduction89
Initial Steps89
Enclosure90
Connection Box92
Other Components93
Alternator94
Section 8 Diagrams and Drawings95
Appendix A Abbreviations101
Appendix B Common Hardware Application Guidelines103
Appendix C General Torque Specifications104
Appendix D Common Hardware Identification105
Appendix E Common Hardware List106

Kohler 38RCL - Page 84

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