Table Of Contents; General Information; Service Information; Engine Identification Decal Location - Generac Power Systems GN - 320 Owner's Manual

This engine meets the 1998 and later California emissions
regulations. To ensure that your engine continues to meet
these regulations, refer to the following information and
instructions in this owner's manual.

SERVICE INFORMATION

Service on this engine within and after the warranty
period can be performed by any authorized service
dealer. Service technicians are factory trained and
capable of handling all service needs.
When contacting an authorized service 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 plate decal.
The warranty and replacement parts for this engine are
included in the owner's manual.
When ordering engine components, you must provide the
authorized service dealer with the engine identification number,
which is located on the engine identification decal. See the
illustration below for the location of the decal.
G G e e n n e e r r a a c c G G N N - - 3 3 2 2 0 0 / / 3 3 6 6 0 0 / / 4 4 1 1 0 0 E E n n g g i i n n e e
Generac Corporation
Eng. Identif. No. XXXXXX
Displacement XXXXXX
Decal

TABLE OF CONTENTS

RULES FOR SAFE OPERATION..........................................2-3
GENERAL INFORMATION....................................................4-5
Service Information ..................................................................4
Engine Identification Decal Location ........................................4
Oil and Fuel Information ............................................................5
OPERATION ..........................................................................6-7
Before Starting the Engine ........................................................6
Starting the Engine ................................................................6-7
Stopping the Engine ..................................................................7
Low Pressure Shutdown System ..............................................7
MAINTENANCE ..................................................................8-13
General Maintenance Recommendations ................................8
Service and Adjustments ....................................................8-10
Carburetor Adjustments ..........................................................11
Checking/Adjusting Valve to Rocker Arm Clearance ..............11
Retorquing Head Bolts ......................................................11-12
Maintenance Schedule ............................................................12
Storage Instructions ................................................................13
Specifications ..........................................................................13
PARTS LISTS & EXPLODED VIEWS ..............................14-21
WARRANTIES ..................................................................22-24
California Emission Control Warranty Statement ....................22
Emission Control System Warranty ........................................23
Generac Engine Warranty ........................................Back Cover
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