Kohler KG125 User Manual

TP-7173 10/20 3
Table of Contents
Safety Precautions and Instructions ........................................................................................................................................ 5
Introduction .............................................................................................................................................................................. 11
Service Assistance................................................................................................................................................................... 12
Section 1. Service Schedule ................................................................................................................................... 13
1.1 Safety Precautions ................................................................................................................................................. 13
1.2 Generator Set Service ............................................................................................................................................ 14
1.2.1 Alternator Service .................................................................................................................................... 14
1.2.2 Engine Service ......................................................................................................................................... 14
Section 2. Controller Maintenance ......................................................................................................................... 17
Section 3. ECU Diagnostic Port .............................................................................................................................. 17
Section 4. Alternator Maintenance ......................................................................................................................... 19
4.1 Check the Operation .............................................................................................................................................. 20
4.2 Check the Ventilation ............................................................................................................................................. 20
4.3 Check the Windings ............................................................................................................................................... 20
4.4 Check the Bearings ................................................................................................................................................ 20
Section 5. Gaseous Fuel Systems .......................................................................................................................... 21
5.1 Gaseous Fuel System Concept (Single Fuel) ........................................................................................................ 22
5.1.1 Natural Gas and LPG Conversion ............................................................................................................ 22
5.2 Fuel System Changeover Kits (Dual Fuel) ............................................................................................................. 26
5.2.1 Dual Fuel Reset Box ................................................................................................................................ 27
5.2.2 Dual Fuel Connections ............................................................................................................................. 29
5.3 Fuel System Maintenance ...................................................................................................................................... 30
Section 6. Lubrication System ................................................................................................................................ 31
6.1 Oil Change ............................................................................................................................................................. 31
Section 7. Air Cleaner System ................................................................................................................................ 31
7.1 Air Filter Element .................................................................................................................................................... 31
7.2 Air Cleaner Restrictor Indicator .............................................................................................................................. 32
Section 8. Cooling System ...................................................................................................................................... 33
8.1 Coolant Level Check .............................................................................................................................................. 33
8.2 Cooling System Component Inspection ................................................................................................................. 34
8.3 Procedure to Drain Cooling System ....................................................................................................................... 34
8.3.1 Procedure to Drain Cooling System ......................................................................................................... 34
8.4 Procedure to Flush and Clean Cooling System ...................................................................................................... 34
8.5 Procedure to Refill Cooling System ........................................................................................................................ 35
8.6 Radiator Maintenance ............................................................................................................................................ 35
Section 9. Battery system ....................................................................................................................................... 37
9.1 Clean Battery ......................................................................................................................................................... 38
9.2 Electrolyte Level Inspection .................................................................................................................................... 38
9.3 Specific Gravity Check ........................................................................................................................................... 39
9.4 Charge Battery ....................................................................................................................................................... 40
Section 10. Storage Procedure ................................................................................................................................. 41
10.1 Lubrication System ................................................................................................................................................. 41
10.2 Cooling System ...................................................................................................................................................... 42
10.3 Exterior ................................................................................................................................................................... 42
10.4 Alternator ................................................................................................................................................................ 42
10.5 Battery .................................................................................................................................................................... 43
Appendix A. Abbreviations ......................................................................................................................................... 45
Appendix B. Common Hardware Application Guidelines ........................................................................................ 49
Appendix C. Torque Specifications ........................................................................................................................... 51
Appendix D. Operating Hours and Service Log ........................................................................................................ 53

Kohler KG125 Specifications

General

Brand	Kohler
Model	KG125
Category	Portable Generator
Language	English