Service Manual
Table Of Contents
- Table of Contents
- 1. IMPORTANT SAFETY INSTRUCTIONS
- 1.1 Warning, Caution, and Note Styles Used in This Manual
- 1.2 General Information
- 1.3 Generator Set Safety Code
- 1.4 Electrical Shocks and Arc Flashes Can Cause Severe Personal Injury or Death
- 1.5 Fuel and Fumes Are Flammable
- 1.6 Exhaust Gases Are Deadly
- 1.7 The Hazards of Carbon Monoxide
- 1.8 Earth Ground Connection
- 2. Introduction
- 3. Startup
- 4. Operation
- 5. Maintenance
- 5.1 Maintenance Safety
- 5.2 Periodic Maintenance
- 5.3 Engine Oil
- 5.4 Engine Valve Clearance
- 5.5 Normal Duty Air Cleaner Element Replacement
- 5.6 Exhaust System Maintenance
- 5.7 DC Electrical System
- 5.8 Batteries
- 5.9 Spark Plugs
- 5.10 Cleaning the Generator Set Housing
- 5.11 Cleaning the Slip Rings
- 5.12 Exercising the Generator Set
- 5.13 Complete System Test
- 6. Service
- 7. Troubleshooting
- 7.1 Troubleshooting Procedures
- 7.2 Safety Considerations
- 7.3 GATRR Troubleshooting Approach
- 7.4 Tools and Parts Required
- 7.5 Troubleshooting with the Local or Remote Displays
- 7.6 Utility-Powered Battery Charger Troubleshooting
- 7.7 Engine Flywheel Battery Charger Troubleshooting
- 7.8 Fuel Shutoff Solenoid Valve
- 7.9 Compression Test Procedure
- 7.10 Connecting with the InPower Service Tool
- 7.11 Troubleshooting by Symptom
- 7.12 Troubleshooting with Fault Codes
- 7.13 Remote Monitoring Communication Troubleshooting
- Appendix A. Wiring Diagrams
6. Service 10-2019
92 A062J683 (Issue 1)Copyright © 2019 Cummins Inc.
3. Use the arrow keys to highlight "Config" and click the Enter key. The Generator
Config screen appears.
4. The default setting for the Config field is 1. Use the Next key to navigate to the
Config field. Use the arrow keys to select the appropriate config option.
Config Option Model
23 C20N6H, C20N6HC
24 C17N6H
25 C13N6H
5. Use the Next key to navigate to the Fuel Type field. Use the arrow keys to
select the fuel type: NG (natural gas; default) or LP (liquid propane).
NOTICE
The Rating field is not configurable by the user. Instead, it will be
automatically populated based on the Config and Fuel Type field
selections.
NOTICE
When converting the generator set to liquid propane, be sure to adjust
the manual fuel selector to the LP setting:
a. Lift top cover.
b. Remove 2 screws on top of the exhaust panel.
c. Remove the exhaust panel.
d. Remove 2 screws securing the fuel selector access cover and
remove access cover.
e. Reach through the fuel selection handle access opening and turn
the handle counterclockwise until it reaches detent (90° from
starting position). The handle should be horizontal for LP, vertical
for NG.
f. Reinstall the fuel selector access cover. Torque screws 5–6.6 Nm
(44–58 in-lb).
g. Reinstall the exhaust panel. Torque screws 5–6.6 Nm (44–58 in-lb).
h. Close the generator set cover.
6. Keep selecting the Back button to save the settings and return to the Main
screen.