Not intended for use as Primary Power in place of utility
Models 04758-0 6 kW NG, 7 kW LP 04759-0 12 kW NG, 12 kW LP
04760-0 13 kW NG, 15 kW LP
DEADLY EXHAUST FUMES. OUTDOOR INSTALLATION ONLY
INTRODUCTION
CONTENTS
OPERATION AND MAINTENANCE
HOW TO OBTAIN SERVICE
Introduction
Parts of the generator are rotating and/or hot
GENERAL HAZARDS
DANGER
Despite the safe design of this generator
STANDARDS INDEX
ELECTRICAL HAZARDS
FIRE HAZARDS
EXPLOSION HAZARDS
DANGER
1.1 UNPACKING/INSPECTION
1.2 PROTECTION SYSTEMS
1.3 SYSTEM SET LED
Figure 1.1 - 7 kW, Single Cylinder GH-410 Engine
1.4 YOUR GENERATOR
Figure 1.2 - 12 kW/15 kW, V-twin GT-990 Engine
Section 1 - General Information
1.5 SPECIFICATIONS
1.5.1 GENERATOR
1.5.2 ENGINE
DANGER
1.8 RECONFIGURING THE FUEL SYSTEM
1.6 FUEL REQUIREMENTS AND RECOMMENDATIONS
1.7 FUEL CONSUMPTION
Figure 1.4 - Demand Regulator
1.9.2 TRANSFER SWITCH 1.9.2.1 7 kW, 12 kW and 15 kW Units
1.9 LOCATION
1.9.1 GENERATOR
Use tools with insulated handles Wear rubber gloves and boots
1.10 BATTERY INSTALLATION
1.11 THE BATTERY
Figure 1.5 - Battery Cable Connections
The following procedures are to be observed
2.2 CHECK TRANSFER SWITCH OPERATION
2.1 BEFORE INITIAL START-UP
2.3 ELECTRICAL CHECKS
2.5 CHECKING AUTOMATIC OPERATION
2.4 GENERATOR TESTS UNDER LOAD
2.7.1 7 KW UNITS
2.6 ADJUSTING THE REGULATOR NATURAL GAS ONLY
2.7 ENGINE GOVERNOR ADJUSTMENT
Figure 2.2 - Placement of Regulator
Figure 2.5 - Voltage Adjustment Potentiometer
2.8 VOLTAGE REGULATOR ADJUSTMENT
3.1 BREAK-IN PROCEDURE
Figure 2.3 - Engine Governor Adjustment
3.2.2 “OFF” POSITION
3.3 AUTOMATIC TRANSFER OPERATION
3.4 SEQUENCE OF AUTOMATIC OPERATION
3.2.1 “AUTO” POSITION
3.5.1 TRANSFER TO GENERATOR POWER SOURCE
3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE
3.5 MANUAL TRANSFER OPERATION
Figure 3.2 - Manual Transfer Switch Operation
Figure 3.3 - Low Oil Pressure and High Temperature Switches
3.6 SETTING THE EXERCISE TIMER
3.7.1 LOW OIL PRESSURE SWITCH
3.7.2 HIGH TEMPERATURE SWITCH
Oil Dipstick and Fill
4.1 FUSE
4.2 CHECKING THE ENGINE OIL LEVEL
4.3 CHANGING THE ENGINE OIL
Figure 4.7 - 12 kW and 15 kW Engine Air Cleaner
4.5 CHANGING THE ENGINE AIR CLEANER
4.3.2 OIL CHANGE PROCEDURE
Figure 4.6 - 7 kW, Engine Air Cleaner Location
Use tools with insulated handles Wear rubber gloves and boots
4.7 BATTERY MAINTENANCE
Figure 4.8 - Setting the Spark Plug Gap
4.6 SPARK PLUGS
Figure 4.9 - Cooling Vent Locations
4.8 ADJUSTING VALVE CLEARANCE
Figure 4.10 - Valve Clearance Adjustment
4.9 COOLING SYSTEM
4.10 ATTENTION AFTER SUBMERSION
4.12 OUT OF SERVICE PROCEDURE
4.12.2 RETURN TO SERVICE
4.12.1 REMOVAL FROM SERVICE
ATTENTION It is recommended that all service work
4.13 SERVICE SCHEDULE
be performed by your nearest Generac Authorized Dealer
CORRECTION
5.1 TROUBLESHOOTING GUIDE
PROBLEM
CAUSE
Section 6 - Electrical Data
CONTROL PANEL BOX
Section 6 - Electrical Data
CUSTOMER
CONNECTION
Section 6 - Electrical Data
DIAGRAM KEY BA - BRUSH ASSEMBLY BCR - BATTERY CHARGE RELAY
Section 6 - Electrical Data
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
Wiring Diagram - 7 kW - Drawing No. 0D9013
ENGINE WIRING
Section 6 - Electrical Data
CLOSEST TO BEARING
Section 6 - Electrical Data
CONTROL PANEL BOX
CUSTOMER CONNECTION
Section 6 - Electrical Data
Section 6 - Electrical Data
Section 7 - Exploded Views and Parts Lists
PART NO. QTY
Section 7 - Exploded Views and Parts Lists
PART NO. QTY
DESCRIPTION
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
Section 7 - Exploded Views and Parts Lists
Control Panel - Drawing No. 0D8503-E
PART NO. QTY. DESCRIPTION
Section 7 - Exploded Views and Parts Lists
PART NO. QTY. DESCRIPTION
69 16A, 16B, 17 70 7, 48, 49, 50, 51, 52, 53, 54
Kit Contains
Section 7 - Exploded Views and Parts Lists
66 2, 5, 19, 20, 39, 40, 47, 64, 93 67 8
BARBED ELBOW 90 3/8NPT X 3/8 L0CKTITE
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
PLATE, BACKING GT990 WITH OIL COOL
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
1.25 FT
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
1.8 FT
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
Section 7 - Exploded Views and Parts Lists
12 kW and 15 kW Generator - Drawing No. 0D3417-B
2.83 FT
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
2.6 FT
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
ASSEMBLY, ROCKER COVER BREATHER
DESCRIPTION
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
Section 7 - Exploded Views and Parts Lists
GN410 Engine - Drawing No. 0D3539-B Part
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
FOR GT 760 ENGINE ONLY
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
and 15 kW Generators
ALL DIMENSIONS IN MILLIMETERS INCHES
Section 8 - Mounting
Guardian Air-cooled 7 kW, 12 Drawing No. 0D3739-B
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
Section 9 - Notes
CALIFORNIA AND FEDERAL EMISSION CONTROL WARRANTY STATEMENT
YOUR WARRANTY RIGHTS AND OBLIGATIONS
MANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGE
PURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIES
Section 10 - Warranty
EMISSION CONTROL SYSTEM WARRANTY
EMISSION RELATED PARTS INCLUDE THE FOLLOWING
GUARDIAN “EMERGENCY AUTOMATIC STANDBY GENERATORS”
WARRANTY SCHEDULE
GENERAC POWER SYSTEMS STANDARD TWO YEAR LIMITED WARRANTY FOR
Section 10 - Warranty