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
120 A062J683 (Issue 1)Copyright © 2019 Cummins Inc.
h. Attach a bar-type gear/wheel puller with 2 M6 x 1.0 bolts into the fan hub.
i. Push the head of the 14 mm x 2.0 bolt and pull the fan hub off the rotor.
FIGURE 64. PULLING FAN HUB OFF ROTOR
11. Remove the exhaust muffler.
12. Remove the alternator-end inner panel.
13. Disconnect the battery charger wiring harness from the intake-side inner panel.
14. Disconnect the alternator leads from the circuit breaker.
NOTICE
Note which CT each stator lead passes through. The stator leads must
go through the identical CT from which they were removed during
reassembly.
15. Remove the oil filter access panel.
16. Remove the oil cooler mounting bolts.
17. Remove the intake-side inner panel.
18. Remove the exhaust-side inner panel.
19. Remove the stator as follows:
a. Remove the brush block (see the Brush Block/Slip Ring Service section).
b. Disconnect the 2 alternator heater wiring leads from the main harness.
c. Support the bottom of the stator so that it does not contact the rotor.
d. Remove the isolator mount nuts and isolator mounts.
e. Remove the nuts and washers on the 4 stator through-studs.
f. Remove the end bell and o-ring.
g. Pull the stator straight out and away from the engine, leaving the rotor and
stator through-studs in place. Be sure to avoid contact with the rotor or
stator windings.