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
2. Introduction10-2019
17A062J683 (Issue 1) Copyright © 2019 Cummins Inc.
• RA Series Automatic Transfer Switch Owner Manual (A046S594) (models
RA112N3, RA212N3, RA112S3, RA212S3, RA412N3, and RA412S3) - if
applicable
• Parts Manual (A053X179)
• Standard Repair Times - HO Family (A053X186)
• Service Tool Manual (A043D529)
• Warranty Failure Code Manual (F1115C)
• Engineering Application Manual T-030: Liquid Cooled Generator Sets
(A040S369)
2.5 Model Specifications
TABLE 1. MODEL VARIATIONS
Model
Natural Gas or
Propane Vapor
kW Amps Frequency Voltage
C13N6H Both 13 54.2
60 Hz
120/240 VAC
Single Phase
C17N6H Both 17 70.8
C20N6H,
C20N6HC
Natural Gas Only 18 75
Propane Vapor
Only
20 83.3
NOTICE
Maximum load imbalance allowed is 50% of generator set rating.
TABLE 2. COLD WEATHER REQUIREMENTS
Temperature Description
Above 4 °C (40 °F) No starting aids required
–17 to 4 °C (0 to 40 °F) Alternator heater
Below –17 °C (0 °F)
• Alternator heater
• 0W30 oil (see the oil recommendation below)
• Extreme cold weather kit (A054B984) (includes battery and
oil heaters)