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Kohler 12RES User Manual

Kohler 12RES
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Use a 12-volt battery with a minimum rating of 675 cold
cranking amps at 0°E The generator set uses a
negative ground with a 12-volt engine electrical system.
See Figure 6-15 for battery connections. Make sure
that the battery is correctly connected and the terminals
are tight.
Note: The generator set will not start and circuit board
damage may occur if the battery is connected in
reverse.
Figure 6-16 shows the location of the engine starting
battery. Standard battery cables provide easy
connection to the battery. Use the following procedure
to install and connect the battery.
Battery Installation Procedure
1. Ensure that the starting battery is fully charged
before placing the battery in service.
2. Clean the battery posts and/or adapters if
necessary.
3. Install the battery post adapters, if needed.
4. Place the battery in the housing.
5. Verifythat the controller master switch is in the OFF
position.
1 2
J
EZ-273000-J
1. To positive (+) terminal on starter solenoid.
2. To ground (-) terminal on or near starter motor.
Figure 6-15 12-Volt Engine Electrical System Single
Starter Motor Typical Battery Connection
6. Connect the positive (+) lead to the engine starting
battery.
7. Connect the negative (-) lead to the engine starting
battery.
Refer to Section 3.8 for battery maintenance
instructions.
6.9.5 Battery Charger
The generator set requires an external battery charger
to keep the starting battery fully charged. A 6-amp
battery charger is factory-installed in the battery
compartment. The battery charger's DC leads are
factory-connected.
Plug the battery charger's power cord into a 120 VAC
outlet on the load side of the system. Refer to Section
2.5 for battery charger operation information.
1
GM29253
1. Engine starting battery location
Figure 6-16 Battery Location, Air Intake End
34 Section6 Installation TP-6195 1/04

Table of Contents

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Questions and Answers:

Kohler 12RES Specifications

General IconGeneral
Voltage120/240 V
Frequency60 Hz
Power Output12, 000 watts
PhaseSingle
Starting SystemAutomatic
Transfer SwitchOptional

Summary

Safety Precautions and Instructions

General Safety Warnings

Covers accidental starting, battery hazards, and general safety precautions.

Fuel, Noise, and Electrical Hazards

Addresses fuel system dangers, noise exposure, and electrical shock risks.

Equipment Handling and Moving Parts Safety

Details safety for heavy equipment, hot parts, and moving components.

Operational Notices and Precautions

Provides important notices on ESD, voltage, hardware, and Canadian installations.

Introduction and Product Information

Product Nameplate and Identification

Explains the generator set nameplate and its importance for service.

Emission Certification Details

Outlines EPA and California emission compliance for the generator sets.

Service Assistance and Support

Provides contact information for technical support and service.

Section 1 Specifications and Features

Generator and Engine Specifications

Details the generator's voltage regulation and engine features.

Advanced Digital Control (ADC) Features

Lists the capabilities and indicators of the ADC 2100 controller.

Service Views and Component Locations

Identifies key components of the generator set via diagrams.

Section 2 Operation

Prestart Checks and Generator Exercising

Procedures for ensuring readiness and regular unit operation.

Generator Set Controls and Starting

Explains controller interface, starting methods, and stopping procedures.

Fault Shutdowns and Controller Reset

Details fault conditions, codes, and how to reset the controller.

Circuit Protection and Battery Charger Operation

Covers circuit breakers, fuses, and battery charger functionality.

Section 3 Scheduled Maintenance

Routine Maintenance and Service Schedule

Guidelines for scheduling and performing routine maintenance tasks.

Lubrication System Maintenance

Procedures for checking oil, oil changes, and filter replacement.

Air Cleaner, Spark Plugs, and Cooling System

Maintenance for air intake, ignition system, and cooling components.

Exhaust System and Battery Servicing

Inspection of exhaust system and detailed battery maintenance steps.

Battery Charger and Storage Procedures

Maintenance for the battery charger and long-term storage guidelines.

Section 4 Troubleshooting

General Troubleshooting and Fault Codes

Guides for diagnosing common problems and understanding fault codes.

Controller and Battery Charger Troubleshooting

Addresses specific issues with the controller and battery charger.

Section 5 Wiring Diagrams

Specification Numbers and Diagram References

Lists model specification numbers and references for wiring diagrams.

Schematic Diagram (Sheet 1)

Provides the primary schematic wiring diagram for the generator set.

Schematic Diagram (Sheet 2)

Continues the schematic wiring diagram with more details.

Point-to-Point Wiring Diagram

Illustrates the point-to-point wiring connections for the generator set.

Section 6 Installation

General Installation, Weight, and Inspection

Covers overall installation guidelines, unit weight, and initial inspection.

Mounting and Exhaust System Requirements

Details safe mounting practices and exhaust system considerations.

Air, Power, and Fuel System Requirements

Specifies air intake, electrical power, and fuel supply needs.

Electrical Connections and Battery Installation

Procedures for AC load connections, remote start, and battery setup.

Accessories and Controller Configuration

Covers installation of accessories and controller setup options.

Prestart Installation Checks and Warranty

Final checks before startup and warranty registration process.

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