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Tiffin Motorhomes Knowledge Base

Cummins Generator Operator Manual

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1 IMPORTANT SAFETY INSTRUCTIONS

1.1 Overview

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1.2 Warning, Caution, and Note Styles Used in this Manual

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1.3 General Safety Precautions

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1.4 Automatic Generator Start Control Hazards

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1.5 Electrical Shock and Arc Flash Can Cause Severe Personal Injury or Death

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1.6 Generator Voltage Is Deadly

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1.7 Engine Exhaust/Carbon Monoxide Is Deadly

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1.8 Diesel Fuel Is Combustible

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1.9 Battery Gas Is Explosive

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1.10 Moving Parts Can Cause Severe Personal Injury or Death

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1.11 CARB

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1.12 Generator Set Warning Labels

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2 Introduction

2.1 About this Manual

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2.2 Related Literature

2.3.1

2.3 Model Identification

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2.3.1 Nameplate Location

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2.4 How to Obtain Service

 

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2.4.1 In U.S. and Canada

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2.4.2 Outside U.S. and Canada

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2.4.3 Information To Have Available

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2.5 Manufacturing Facilities

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3 Overview

3.1 Electromagnetic Compatibility Compliance

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3.2 Information for Generator Set Users

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3.3 Build Standards

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3.4 Specifications

3.4.1 Diesel Model Specifications

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3.5 List of Acronyms

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4 Operation

4.1 Key Component Locations

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4.2 Control Panel

4.2.1 Generator Set Control Panel

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4.2.2 Remote Control Panel

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4.3 Starting and Stopping the Generator Set

4.3.1 Pre-start Checks

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4.3.2 Priming the Fuel System

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4.3.3 Starting the Generator Set

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4.3.4 Stopping the Generator Set

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4.4 Loading the Generator Set

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4.4.1 Power Versus Altitude

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4.5 Exercising the Generator Set

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4.6 Resetting Line Circuit Breakers

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4.7 Connecting to Shore Power

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4.8 Operating in Weather Extremes

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4.9 Operating in Dusty Environments

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4.10 Care of New or Rebuilt Engine

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5 Maintenance

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5.1 Periodic Maintenance

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5.1.1 Periodic Maintenance Schedule

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5.2 Consumable Parts

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5.3 General Inspection

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5.4 Maintaining the Battery

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5.5 Maintaining the Lubrication System

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5.5.1 Oil Level

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5.5.2 Engine Oil Recommendations

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5.5.3 Changing Engine Oil and Oil Filter

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5.5.3.1 Oil Change Values and Drain Plug Location

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5.6 Maintaining the Fuel System

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5.6.1 Fuel System

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5.6.2 Fuel Recommendations

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5.6.2.1 Bio-diesel Fuels B5 - B20

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5.6.3 Replacing the Fuel Filter

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5.7 Maintaining the Cooling System

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5.7.1 Cooling System

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5.7.2 Coolant Level

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5.7.3 Coolant Recommendations

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5.7.4 Draining and Cleaning Cooling Sytem

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5.7.5 Refilling Cooling System

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5.8 Exhaust System

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5.8 Exhaust System

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5.9 Mechanical System

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5.10 Replacing the Air Filter Element

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5.11 Cleaning the Spark Arrester

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5.12 Storing the Generator Set

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5.13 Returning the Generator Set to Service

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6 Troubleshooting

6.1 Overview

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6.2 Fault Codes

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6.2.1 Code 1 - Engine Over Temperature

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6.2.1.1 Check Engine Coolant Level

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6.2.1.2 Check for Blockages

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6.2.1.3 Reduce Load

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6.2.2 Code 2 - Low Oil Pressure

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6.2.3 Code 3 - Service Check

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6.2.4 Code 4 - Over Crank

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6.2.4.1 Replace Engine Oil

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6.2.4.2 Check Fuel Fittings

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6.2.4.3 Replace Fuel Filter
6.2.5 Code 12 - Over Voltage

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6.2.6 Code 13 - Under Voltage

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6.2.7 Code 14 - Over Frequency

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6.2.8 Code 15 - Under Frequency

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6.2.9 Code 19 - Governor Actuator

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6.2.10 Code 22 - Governor Actuator Overload

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6.2.11 Code 27 - Voltage Sense

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6.2.12 Code 29 - High Battery Voltage

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6.2.13 Code 32 - Low Cranking Speed

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6.2.14 Code 35 - Control Card Failure

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6.2.15 Code 36 - Engine Stopped

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6.2.16 Code 38 - Over Current (Field Overload)

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6.2.17 Code 41 - Generator Rotor

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6.2.18 Code 42 - Processor

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6.2.19 Code 43 - Processor

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6.2.20 Code 45 - Speed Sense

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6.2.21 Code 48 - Generator Field Sense

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6.2.22 Code 57 - Over Prime

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6.3 Symptom Based

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6.3.1 Status Indicator Not Working

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6.3.2 Starting Batteries Run Down

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6.3.3 Starter Engages-Disengages

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6.3.4 Status Indicator Goes Out While Cranking - No Start

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6.3.5 No Power - Generator Set Running, Status Light On

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7 Maintenance Record

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