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
7. Troubleshooting10-2019
133A062J683 (Issue 1) Copyright © 2019 Cummins Inc.
TABLE 18. GATRR TROUBLESHOOTING APPROACH
Icon Description
G - Gather: Gather customer information, review service history, complete
visual inspection, and perform system operation check. Attempt to safely
recreate the issue.
A - Analyze: Narrow down the possibilities by system and identify likely
problem components.
T - Test: Perform tests in order of likelihood based on troubleshooting tees
and symptoms present.
R - Repair: If necessary, perform repair per manufacturing guidelines and
document all of the steps taken.
R - Re-test: Re-test the component, verify that the unit operates properly,
and ensure that the documentation is complete.
7.4 Tools and Parts Required
Tools and parts that may be required include the following:
• InPower Service Tool including:
◦ Harness kit A001L533 (includes InPower harness A044M377 and RS232
to RS485 converter)
◦ Brainbox™ USB to Serial port converter (PN A053T968) is required if you
do not have a serial port available.
• Rotor removal tool
• Manometer or digital pressure gauge accurate to 0.01 in water column