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Generac
®
Power Systems, Inc.
INTRODUCTION
Thank you for purchasing this model of the
Centurion product line by Generac Power Systems
Inc. This model is a compact, high performance, air-
cooled, engine-driven generator designed to automat-
ically supply electrical power to operate critical loads
during a utility power failure.
This unit is factory installed in an all-weather, metal enclo-
sure that is intended exclusively for outdoor installation.
This generator will operate using either vapor withdrawn
liquid propane (LP) or natural gas (NG).
READ THIS MANUAL THOROUGHLY
If you do not understand any portion of this manual,
contact Generac or your nearest Generac Authorized
Dealer for starting, operating and servicing procedures.
Throughout this publication, and on tags and
decals affixed to the generator, DANGER, WARNING,
CAUTION and NOTE blocks are used to alert you to
special instruction about a particular operation that
may be hazardous if performed incorrectly or care-
lessly. Observe them carefully. Their definitions are
as follows:
After this heading, you can read instructions that,
if not strictly complied with, will result in personal
injury, including serious injury and/or death or
property damage.
After this heading, you can read instructions that,
if not strictly complied with, may result in personal
injury or property damage.
After this heading, you can read instructions that, if
not strictly complied with, could result in damage to
equipment and/or property.
NOTE:
After this heading, you can read explanatory
statements that require special emphasis.
These safety warnings cannot eliminate the hazards
that they indicate. Common sense and strict compli-
ance with the special instructions while performing the
service are essential to preventing accidents.
Four commonly used safety symbols accompany the
DANGER, WARNING and CAUTION blocks. The type
of information each indicates follows:
This symbol points out important safety informa-
tion that, if not followed, could endanger personal
safety and/or property of you and others.
This symbol points out potential explosion hazard.
This symbol points out potential fire hazard.
This symbol points out potential electrical shock
hazard.
The operator is responsible for proper and safe use
of the equipment. We strongly recommend that the
operator read this Owner's Manual and thoroughly
understand all instructions before using this equip-
ment. We also strongly recommend instructing other
users to properly start and operate the unit. This pre-
pares them if they need to operate the equipment in
an emergency.
CONTENTS
This manual contains pertinent owner’s information,
including warranty, electrical diagrams, exploded
views and lists of repair parts, for Centurion model:
• 004692-0 – 8.5 kW NG, 8.5 kW LP, V-twin GT-990
Engine
OPERATION AND MAINTENANCE
It is the operator's responsibility to perform all safe-
ty checks, to make sure that all maintenance for safe
operation is performed promptly, and to have the
equipment checked periodically by a Generac
Authorized Dealer. Normal maintenance service and
replacement of parts are the responsibility of the
owner/operator and, as such, are not considered
defects in materials or workmanship within the
terms of the warranty. Individual operating habits
and usage contribute to the need for maintenance
service.
Proper maintenance and care of your generator
ensure a minimum number of problems and keep
operating expenses at a minimum. See your Generac
Authorized Dealer for service aids and accessories.
HOW TO OBTAIN SERVICE
When your generator requires servicing or repairs,
simply contact a Generac Authorized Dealer for
assistance. Service technicians are factory-trained
and are capable of handling all of your
service needs.
When contacting a Generac Authorized Dealer or the
factory about parts and service, always supply the
complete model number and serial number of your
unit as given on its data decal, which is located on your
generator. See Figure 1.2 or Figure 1.3 in Section 1.4
(Page 5) for decal location.
Model No. ____________ Serial No. ______________
!
DANGER
AUTHORIZED
DEALER LOCATION
To locate the GENERAC AUTHORIZED
DEALER nearest you, please call this number:
1-800-333-1322
DEALER LOCATION INFORMATION
CAN BE OBTAINED AT THIS NUMBER.