This manual should remain with the unit
Models 04758-2 6 kW NG, 7 kW LP 04759-2 12 kW NG, 12 kW LP
04760-2 13 kW NG, 15 kW LP
Installation and Owner’s Manual
HOW TO OBTAIN SERVICE
CONTENTS
OPERATION AND MAINTENANCE
INTRODUCTION
Introduction
Despite the safe design of this generator
GENERAL HAZARDS
DANGER
Parts of the generator are rotating and/or hot
EXPLOSION HAZARDS
ELECTRICAL HAZARDS
FIRE HAZARDS
STANDARDS INDEX
1.3 SYSTEM SET LED
1.1 UNPACKING/INSPECTION
1.2 PROTECTION SYSTEMS
DANGER
Figure 1.2 - 12 kW/15 kW, V-twin GT-990/760 Engine
1.4 THE GENERATOR
Figure 1.1 - 7 kW, Single Cylinder GH-410 Engine
Generac Power Systems, Inc
1.5.2 ENGINE
1.5 SPECIFICATIONS
1.5.1 GENERATOR
Section 1 - General Information
1.7 FUEL CONSUMPTION
1.8 RECONFIGURING THE FUEL SYSTEM
1.6 FUEL REQUIREMENTS AND RECOMMENDATIONS
DANGER
1.9.1 GENERATOR
1.9 LOCATION
1.8.2 12KW AND 15KW, 990CC ENGINES
Figure 1.4 - Demand Regulator
1.9.2 TRANSFER SWITCH 1.9.2.1 7 kW, 12 kW and 15 kW Units
1.10 BATTERY INSTALLATION
1.11 THE BATTERY
Figure 1.5 - Battery Cable Connections
2.3 ELECTRICAL CHECKS
2.2 CHECK TRANSFER SWITCH OPERATION
2.1 BEFORE INITIAL START-UP
DANGER
2.5 CHECKING AUTOMATIC OPERATION
2.4 GENERATOR TESTS UNDER LOAD
DANGER
Figure 2.2 - Placement of Regulator
2.6 ADJUSTING THE REGULATOR NATURAL GAS ONLY
Figure 2.1 - Dual Fuel Regulators
Figure 2.3 - Single Cylinder Engine Governor Adjustment
2.7 ENGINE GOVERNOR ADJUSTMENT
Figure 2.4 - V-twin Engine Governor Adjustment
Figure 2.5 - V-twin Full Load Speed Adjust Screw
3.2 USING THE AUTO/OFF/MANUAL SWITCH FIGURE
2.8 VOLTAGE REGULATOR ADJUSTMENT
3.1 BREAK-IN PROCEDURE
Figure 2.6 - Voltage Adjustment Potentiometer
3.4 SEQUENCE OF AUTOMATIC OPERATION
3.3 AUTOMATIC TRANSFER OPERATION
3.5 MANUAL TRANSFER OPERATION
3.5.1 TRANSFER TO GENERATOR POWER SOURCE
3.7.2 HIGH TEMPERATURE SWITCH
3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE
3.7.1 LOW OIL PRESSURE SWITCH
Figure 3.2 - Manual Transfer Switch Operation
4.1 FUSE
Figure 3.3 - Low Oil Pressure and High Temperature Switches
4.2 CHECKING THE ENGINE OIL LEVEL
3.7.3 OVERCRANK
4.3 CHANGING THE ENGINE OIL
4.5 CHANGING THE ENGINE AIR CLEANER
4.3.2 OIL CHANGE PROCEDURE
4.4 CHANGING THE OIL FILTER
Figure 4.7 - 12 kW and 15 kW Engine Air Cleaner
4.7 BATTERY MAINTENANCE
Figure 4.6 - 7 kW, Engine Air Cleaner Location
Figure 4.8 - Setting the Spark Plug Gap
Figure 4.10 - Valve Clearance Adjustment
4.8 ADJUSTING VALVE CLEARANCE
4.9 COOLING SYSTEM
4.12.1 REMOVAL FROM SERVICE
4.12 OUT OF SERVICE PROCEDURE
4.12.2 RETURN TO SERVICE
4.10 ATTENTION AFTER SUBMERSION
4.13 SERVICE SCHEDULE
CAUSE
5.1 TROUBLESHOOTING GUIDE
PROBLEM
CORRECTION
ENGINE WIRING
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Section 6 - Electrical Data
CONTROL PANEL BOX
Generac Power Systems, Inc
Section 6 - Electrical Data
CUSTOMER
Section 6 - Electrical Data
Electrical Schematic - 12 & 15 kW - Drawing No. 0D8501-B
26 Generac Power Systems, Inc
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
Generac Power Systems, Inc
Section 6 - Electrical Data
ENGINE WIRING
28 Generac Power Systems, Inc
Section 6 - Electrical Data
CONTROL PANEL BOX
Generac Power Systems, Inc
Section 6 - Electrical Data
CUSTOMER
225A
30 Generac Power Systems, Inc
Section 6 - Electrical Data
224A
Section 6 - Electrical Data
Electrical Schematic - 7 kW - Drawing No. 0D9014-C
Generac Power Systems, Inc
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
Section 7 - Exploded Views and Parts Lists
32 Generac Power Systems, Inc
PART NO. QTY. DESCRIPTION
Section 7 - Exploded Views and Parts Lists
Generac Power Systems, Inc
PART NO. QTY. DESCRIPTION
Section 7 - Exploded Views and Parts Lists
34 Generac Power Systems, Inc
PART NO. QTY. DESCRIPTION
Section 7 - Exploded Views and Parts Lists
PART NO. QTY. DESCRIPTION
GT-990 Engine - Drawing No
Section 7 - Exploded Views and Parts Lists
36 Generac Power Systems, Inc
Guardian Air-cooled 7 kW
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
PART NO. QTY
PART NO. QTY
38 Generac Power Systems, Inc
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
40 Generac Power Systems, Inc
Section 7 - Exploded Views and Parts Lists
14 20
1.8 FT
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
1.25 FT
Section 7 - Exploded Views and Parts Lists
42 Generac Power Systems, Inc
2.6 FT
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
3 FT
Section 7 - Exploded Views and Parts Lists
44 Generac Power Systems, Inc
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
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Section 7 - Exploded Views and Parts Lists
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
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Section 7 - Exploded Views and Parts Lists
DESCRIPTION
Section 8 - Mounting
50 Generac Power Systems, Inc
ALL DIMENSIONS IN MILLIMETERS INCHES
Guardian Air-cooled 7 kW, 12 Drawing No. 0D3739-B
Section 9 - Notes
Generac Power Systems, Inc
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
PURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIES
YOUR WARRANTY RIGHTS AND OBLIGATIONS
MANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGE
CALIFORNIA AND FEDERAL EMISSION CONTROL WARRANTY STATEMENT
Section 10 - Warranty
EMISSION CONTROL SYSTEM WARRANTY
EMISSION RELATED PARTS INCLUDE THE FOLLOWING
THIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING
GENERAC POWER SYSTEMS TWO YEAR LIMITED WARRANTY FOR GUARDIAN
WARRANTY SCHEDULE
PREPACKAGED EMERGENCY AUTOMATIC STANDBY GENERATORS