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
5. Maintenance 10-2019
72 A062J683 (Issue 1)Copyright © 2019 Cummins Inc.
No. Description No. Description
1
Control Access Panel (Horizontal
Panel Above Control Board)
6 Intake Air Panel
2 Exhaust Panel 7 Alternator-End Panel
3 Engine-End Panel 8 Alternator-End Inner Panel
4 Engine-End Inner Panel 9 Exhaust-Side Inner Panel
5 Intake-Side Inner Panel 10
Exhaust Access Panel (Horizontal
Panel Above Muffler)
FIGURE 38. REMOVAL OF PANELS
5. Remove the oil filter access panel.
6. Remove the oil cooler bolts and move the cooler out of the way.
7. Remove the starter access panel.
8. Remove the valve covers from both cylinders.
9. Using a socket and extensions attached to the flywheel bolt, rotate the engine
clockwise until the intake valve closes on one of the cylinders (that is, there is
no rocker arm or valve movement).
10. Rotate the crankshaft another 45–135° clockwise. No movement of the rocker
arm should be seen.
11. Check the valve clearance with a feeler gauge as shown below.