Kohler 20-2250 kW

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TP-6161 1/12 27Section 3 Scheduled Maintenance

ADV-7600B-B

Figure 3-6 Gas Fuel Connections Wiring Diagram

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Product Identification Information2
Table of Contents3
Safety Precautions and Instructions5
Introduction9
Service Assistance10
Section 1 Specifications and Features11
Introduction11
Decision-Makerr 3+, 16-Light Controller Features11
Annunciator Panel Lamps12
Auxiliary Fault Lamp13
Fuses13
Analog Meters and Gauges13
Switches and Controls14
Terminal Strips14
DIP Switches15
Expanded Decision-Makerr 1 Controller16
Section 2 Operation17
Prestart Checklist17
Generator Set Exercising17
Decision-Makerr 3+, 16-Light Controller Features17
Normal Operation17
Prime Power Mode Operation18
Emergency Stopping18
Fault Shutdowns19
Controller Resetting after a Fault Shutdown19
Expanded Decision-Makerr 1 Controller20
Generator Set Starting20
Generator Set Stopping20
Fault Shutdowns20
Controller Resetting after a Fault Shutdown20
Section 3 Scheduled Maintenance21
Alternator Service21
Engine Service21
Service Schedule22
Alternator Bearing Service24
300 Kw Models24
350--2250 Kw Models with Single- Bearing Alternator24
1250--2250 Kw Model with Two- Bearing Alternator24
Diesel Fuel Systems24
Bleeding Air from Fuel System24
Subbase Inner Fuel Tank Alarm25
Gas Fuel Systems25
Gas Fuel System Concept (Single Fuel)25
LPG Liquid Withdrawal Fuel System Concept25
Natural Gas and LPG Conversion26
Fuel System Changeover Kits (Dual Fuel)26
Crankcase Ventilation (CCV) Heater Kit GM78171-KP128
(125/150REZG Models)28
Cooling System28
Coolant Level Check28
Cooling System Component Inspection28
Cooling System Drainage Procedure29
Cooling System Flush and Clean Procedure29
Cooling System Refilling Procedure29
Radiator Fan Bolt Retorque30
Radiator Fan Bearing Lubrication31
Battery31
Cleaning33
Electrolyte Level Inspection33
Specific Gravity Check33
Charging34
Detroit Diesel Engine Control Systems34
Features34
DDEC Engine Diagnostics35
Engine Control Systems35
Storage Procedure36
Lubricating System36
Cooling System36
Fuel System36
Internal Engine Components (Gas-Fueled Engines)36
Exterior36
Battery37
Section 4 Troubleshooting39
Section 5 Generator Set Reconnection43
Section 6 Accessories49
Accessories49
Audiovisual Alarm (DEC 3+)50
Common Failure Relay Kit (DEC 3+)50
Controller (Customer) Connection Kit (DEC 3+)51
Engine Prealarm Senders for NFPA 110 (DEC 3+)51
Fastcheckr Diagnostic Tester (DEC 3+)52
Float/Equalize Battery Charger Kit with Alarm Option (DEC 3+)52
Line Circuit Breaker52
Low Fuel (Level/Pressure) Switch (DEC 3+)53
Prime Power Feature (DEC 3+)53
Remote Annunciator Kit (DEC 3+)53
Remote Emergency Stop Kit (DEC 3+)54
Remote Serial Annunciator (DEC 3+)54
Remote Speed Adjustment Potentiometer Kit (Non-ECM Models)62
Run Relay Kit62
Safeguard Breaker62
Shunt-Trip Line Circuit Breaker63
Single-Relay Dry Contact Kit (DEC 3+)63
Ten-Relay Dry Contact Kit (DEC 3+)64
Twenty-Relay Dry Contact Kit (450 Kw and Larger Models Only) (DEC 3+)65
Accessory and Prime Power Terminal Strip Connections (DEC 3+)66
Communication Module Kit and Gauge Driver Circuit Board71
Communication Modules (Circuit Board) Versions72
Circuit Boards Views72
Appendix A Abbreviations73

Kohler 20-2250 kW

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