INTRODUCTION
Thank you for purchasing this model by Generac
Power Systems Inc.. This model is a compact, high
performance, air-cooled, engine-driven generator
designed to automatically 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This generator will operate using either vapor withdrawn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).
This unit meets the 1998 and later California emissions
regulations. To ensure that the engine continues to
meet these regulations, refer to the following informa-
tion and instructions in this owner’s manual.
ENGINE EMISSION COMPLIANCE PERIOD
For nonhandheld engines: The Emissions Compliance
Period referred to on the Emissions Compliance label
indicates the number of operating hours for which the
engine has been shown to meet federal emission
requirements.
For engines less than 225 cc displacement, Category
C = 125 hours, B = 250 hours, and A = 500 hours.
For engines 225 cc or more, Category C = 250 hours,
B = 500 hours, and A = 1000 hours.
READ THIS MANUAL THOROUGHLY
If any portion of this manual is not understood, contact
the 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 per-
sonnel to special instructions about a particular
operation that may be hazardous if performed incor-
rectly or carelessly. Observe them carefully. Their def-
initions are as follows:
After this heading, read instructions that, if not
strictly complied with, will result in serious person-
al injury, including death,in addition to property
damage.
After this heading, read instructions that, if not
strictly complied with, may result in serious person-
al injury or property damage.
After this heading, read instructions that, if not
strictly complied with, could result in damage to
equipment and/or property.
NOTE:
After this heading, 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 CAUTIONblocks. 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 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 three different
Guardian models:
• 04758-1 – 6 kW NG, 7 kW LP, single-cylinder GH-
410 Engine
• 04759-1 – 12 kW NG, 12 kW LP, V-twin GT-990
Engine
• 04760-1 – 13 kW NG, 15 kW LP, V-twin GT-990
Engine
OPERATION AND MAINTENANCE
It is the operator's responsibility to perform all safety
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 the generator
ensures a minimum number of problems and keep
operating expenses at a minimum. See the Generac
Authorized Dealer for service aids and accessories.
HOW TO OBTAIN SERVICE
When the generator requires servicing or repairs,
simply contact a Generac Authorized Dealer for
assistance. Service technicians are factory-trained
and are capable of handling all 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 the unit
as given on its data decal, which is located on the gen-
erator. See Figure 1.1 or Figure 1.2 in Section 1.4 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.