Introduction - Kohler 18RESNT Operation

This manual provides operation and maintenance
instructions for 12, 17, and 18 kW model generator sets
equipped with the Kohlerr DC-RET Digital Control,
listed on the front cover.
This generator set is approved for use in stationary
applications in locations served by a reliable utility
power source. Have the generator set installed by an
authorized distributor/dealer or service technician.
Refer to TP-6516, Installation Manual, for installation
instructions.
Information in this publication represents data available
at the time of print. The manufacturer may provide this
manual for models not listed on the front cover. Kohler
Co. reserves the right to change this publication and the
products represented without notice and without any
obligation or liability whatsoever.
Read this manual and carefully follow all procedures
and safety precautions to ensure proper equipment
operation and to avoid bodily injury. Read and follow the
Safety Precautions and Instructions section at the
beginning of this manual. Keep this manual with the
equipment for future reference.
The equipment service requirements are very important
to safe and efficient operation. Inspect the parts often
and perform required service at the prescribed intervals.
Obtain service from an authorized service distributor/
dealer to keep equipment in top condition.
Nameplate
The following illustration shows a typical generator set
nameplate. Copy the model, serial, and specification
numbers from the nameplate into the spaces provided in
the product information section on the inside front cover
of this manual. See Section 1.5, Service Views, for the
nameplate location.
TP-6517 4/09
Emission Compliance, 12 kW Models
All 12 kW model generator sets with multi-fuel systems
covered in this document are emission-certified.
An engine or generator set with the following
identification label is certified to meet Small Off-Road
Engine emission standards for EPA/CARB.
IMPORTANT ENGINE INFORMATION
THIS ENGINE MEETS U.S. EPA PH2 AND
CA 2008 AND LATER EXH EMISSION
REGS FOR SI SORE
FAMILY
DISPL (CC)
MODEL NO.
SPEC NO.
SERIAL NO.
BUILD DATE
EMISSION COMPLIANCE PERIOD:
EPA: CATEGORY A
CERTIFIED ON: LPG / NATURAL GAS
REFER TO OWNER'S MANUAL FOR HP RATING,
SAFETY, MAINTENANCE, AND ADJUSTMENTS
1-800-544-2444 KohlerEngines.com
KOHLER CO. KOHLER WISCONSIN USA
Figure 1 Engine Identification Label, 12 kW
Generator Set Engine (CH740)
This engine/generator is certified to operate using
natural gas or propane fuel.
The Emission Compliance Period referred to on the
Emission Control or Air Index label indicates the number
of operating hours for which the engine has been shown
to meet CARB emission requirements. The following
table provides the engine compliance period (in hours)
associated with the category descriptor found on the
certification label.
Emission Compliance Period (hours)
C
EPA
250
Moderate
CARB
125
Figure 2 12 kW
Refer to the certification label for engine displacement.
The exhaust emission control system for the CH740
engine is EM.

Introduction

N11236
CARB: EXTENDED
B A
500 1000
Intermediate Extended
250 500
Introduction
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