1-1
1. Introduction
ABOUT THIS MANUAL
This is the Service Manual for the generator sets
(gensets) listed on the front cover. Each operator
should study this manual carefully and observe all of
its instructions and safety precautions. Keep this
manual handy for ready reference.
Operation,
Periodic Maintenance
and
Trouble-
shooting
provide the instructions necessary for op-
erating the genset and maintaining it at top perfor-
mance. The owner is responsible for performing
maintenance in accordance with the PERIODIC
MAINTENANCE SCHEDULE (p. 4-1). This manual
also includes genset specifications, information on
how to obtain service, and information regarding
compliance with emissions regulations.
WARNING
This genset is not a life support sys-
tem. It can stop without warning. Children, per-
sons with physical or mental limitations, and
pets could suffer personal injury or death. A per-
sonal attendant, redundant power or alarm sys-
tem must be used if genset operation is critical.
See the Parts Manual for part identification numbers
and required quantities. Genuine Onan
replace-
ment parts are recommended for best results.
WARNING
Because this genset is an Ignition
Protected Device, no substitutes are permitted
for the parts listed in the Critical Parts Index of
the genset Parts Catalog. They must be pur-
chased from Onan and be installed in accor-
dance with the genset Service Manual by those
who are trained and experienced in marine gen-
set service.
WARNING
Improper service or replacement of
parts can lead to severe personal injury or death
and to damage to equipment and property. Ser-
vice personnel must be qualified to perform
electrical and mechanical service.
MODEL IDENTIFICATION
Be ready to provide the genset model and serial
numbers on the nameplate when contacting Onan
for parts, service and product information. Fig-
ure 1-1 illustrates the nameplate and its location on
the side of the control box.
FIGURE 1-1. TYPICAL NAMEPLATE
Redistribution or publication of this document,
by any means, is strictly prohibited.
Summary of Contents for MDKBH Series
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