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
4. Operation 10-2019
54 A062J683 (Issue 1)Copyright © 2019 Cummins Inc.
4. After the generator set reaches rated voltage and frequency, the transfer switch
transfers the building load to the generator set (unless the circuit breaker on the
generator set is "off"). The building's electrical power is now provided by the
generator set.
FIGURE 25. GENSET POWER
4.5 Manual Stop Sequence (Local)
The following steps will be executed when Manual Stop is selected at the Local
display:
1. Press the red STOP button on the local display. The generator set will stop
immediately and the building load will be transferred to the utility.
2. For normal operation to resume, Standby will need to be enabled. See the
section on enabling Standby Mode.
NOTICE
The red STOP button on the Local display, when pressed, will cause
both Remote and Standby Modes to be disabled.
4.6 Manual Start/Stop Sequence (Remote)
Remote mode must be enabled on the local display to allow manual start and stop
from the Remote display. The manual start and stop sequences are the same for
the Remote display and the Local display.
NOTICE
The red STOP button on the Remote display, when pressed, will cause the
Standby Mode to be disabled.
4.7 "Fault" and "New Event" Screens
Various fault and event screens may appear on the operator display.
"FAULT" SCREEN