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Kohler 20RESCL User Manual

Kohler 20RESCL
172 pages
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Residential/Commercial Generator Sets
Models:
14RESA/RESAL
20RESA/RESAL
20RESB
20RESC/RESCL
20RESD
Controllers:
RDC2 Controller
DC2 Controller
TP-6805 8/15b
Service

Table of Contents

Other manuals for Kohler 20RESCL

Questions and Answers:

Kohler 20RESCL Specifications

General IconGeneral
BrandKohler
Model20RESCL
CategoryPortable Generator
LanguageEnglish

Summary

Safety Precautions and Instructions

Accidental Starting

Prevents unintended generator set operation, minimizing injury risk.

Battery Short Circuits

Hazards of short circuits and precautions to avoid them.

Engine Backfire/Flash Fire

Risks associated with engine backfire and servicing the fuel system.

Exhaust System

Safety concerning carbon monoxide and exhaust system integrity.

Fuel System

Precautions for handling fuel and preventing fires/explosions.

Hazardous Voltage/Moving Parts

Warnings about high voltage, moving parts, and electrical hazards.

Grounding Electrical Equipment

Importance of proper grounding to prevent electrocution.

Hot Parts

Warnings about hot engine and exhaust components during operation.

Service Assistance

Section 1 Specifications

Section 2 Scheduled Maintenance

2.1 Service Schedule

Details the maintenance tasks and their intervals.

2.2 Lubrication System

Covers oil checks, recommendations, and change procedures.

2.2.2 Oil Check

Procedure for checking the engine oil level.

2.2.4 Oil Change Procedure

Step-by-step instructions for changing the engine oil and filter.

2.8 Battery

General information and maintenance for the generator set battery.

2.8.1 Cleaning the Battery

Steps for cleaning battery terminals and cables.

2.8.2 Checking Electrolyte Level

Procedure for checking and refilling the battery electrolyte.

2.9 Fuel System Maintenance

Maintenance procedures for the fuel system, including leak checks.

Section 3 Generator Reconnection

Section 4 Controller

4.4 Controller Parameters

Lists and explains adjustable parameters for the generator set controller.

4.6 Controller Replacement

Step-by-step instructions for replacing the generator set controller.

4.7 Controller Setup

Procedures for setting up the controller after installation or replacement.

4.8 Voltage Calibration

Procedures for calibrating generator output voltage.

4.8.1 Calibration using the RDC2 Controller Keypad and Menus

Steps for calibrating voltage using the controller's interface.

4.8.2 Calibration Using SiteTech

Steps for calibrating voltage using SiteTech software.

Section 5 Troubleshooting

5.6 Emergency Stop Button

Operation and reset procedure for the emergency stop button.

5.9 Fuel System Troubleshooting

Guide to troubleshooting fuel system issues, focusing on pressure and regulators.

5.10 Troubleshooting Engine Hunting, 20 kW Models

Specific steps to diagnose and resolve engine hunting issues in 20 kW models.

5.11 Fault Messages

Lists fault messages, descriptions, and checks for the RDC2 controller.

5.13 Troubleshooting Chart

A quick reference table for diagnosing common generator set problems and their solutions.

5.14 Controller Troubleshooting

Specific troubleshooting guide for controller-related issues.

5.15 Troubleshooting Load Management Problems

Guide to troubleshooting issues with load management devices.

Section 6 Component Testing and Adjustment

6.2 Alternator Excitation

Troubleshooting steps for alternator excitation issues, including no or low voltage.

6.2.1 No to Low Voltage Operation

Diagnosing and resolving issues with no or low output voltage.

6.3 Stator

Procedures for testing stator continuity and resistance.

Stator Continuity and Resistance Tests

Steps for checking stator winding continuity and resistance.

6.4 Main Field (Rotor)

Procedures for testing the rotor for continuity, resistance, and shorts.

Rotor Test Procedure

Steps for testing the rotor's electrical integrity.

6.7 Voltage Adjustments

Methods for adjusting generator output voltage.

6.7.1 Voltage Regulator Average Voltage Adjustment

How to adjust the average output voltage using SiteTech or controller menus.

6.8 Governor System

Information on the governor system, operation, and initial checks.

6.8.3 Hunting/Surging

Troubleshooting steps for engine hunting or surging problems.

6.8.4 Governor System Operation Test

Procedure for testing the governor system operation.

6.9 Frequency Adjustment

Procedures for adjusting engine speed to set generator output frequency.

6.9.1 Engine Speed Gain Adjustment for the Governor

How to adjust governor gain to stabilize engine speed.

6.10 Fault Shutdown Tests

Procedures for testing various fault shutdown functions of the controller.

6.10.1 Controller Fault Shutdown Functions

Tests for overspeed, overcrank, and low oil pressure shutdowns.

6.10.2 Fault Shutdown Switches

Procedures for testing low oil pressure and high engine temperature shutdown switches.

6.11 Fuel Systems

Information on fuel system components, maintenance, and troubleshooting.

6.14 Continuity Checks

Procedures for checking component continuity using an ohmmeter.

Section 7 Disassembly/Reassembly

Section 8 Wiring Diagrams

Appendix C General Torque Specifications

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