Installation and Owner’s Manual
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
This manual should remain with the unit
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
Generac Power Systems, Inc
1.4 THE GENERATOR
Figure 1.1 - 7 kW, Single Cylinder GH-410 Engine
Figure 1.2 - 12 kW/15 kW, V-twin GT-990/760 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 LOCATION
1.8.2 12KW AND 15KW, 990CC ENGINES
1.9.1 GENERATOR
Figure 1.5 - Battery Cable Connections
1.10 BATTERY INSTALLATION
1.11 THE BATTERY
1.9.2 TRANSFER SWITCH 1.9.2.1 7 kW, 12 kW and 15 kW Units
DANGER
2.2 CHECK TRANSFER SWITCH OPERATION
2.1 BEFORE INITIAL START-UP
2.3 ELECTRICAL CHECKS
2.4 GENERATOR TESTS UNDER LOAD
2.5 CHECKING AUTOMATIC OPERATION
DANGER
2.6 ADJUSTING THE REGULATOR NATURAL GAS ONLY
Figure 2.2 - Placement of Regulator
Figure 2.1 - Dual Fuel Regulators
Figure 2.5 - V-twin Full Load Speed Adjust Screw
2.7 ENGINE GOVERNOR ADJUSTMENT
Figure 2.4 - V-twin Engine Governor Adjustment
Figure 2.3 - Single Cylinder Engine Governor Adjustment
Figure 2.6 - Voltage Adjustment Potentiometer
2.8 VOLTAGE REGULATOR ADJUSTMENT
3.1 BREAK-IN PROCEDURE
3.2 USING THE AUTO/OFF/MANUAL SWITCH FIGURE
3.5.1 TRANSFER TO GENERATOR POWER SOURCE
3.3 AUTOMATIC TRANSFER OPERATION
3.5 MANUAL TRANSFER OPERATION
3.4 SEQUENCE OF AUTOMATIC OPERATION
Figure 3.2 - Manual Transfer Switch Operation
3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE
3.7.1 LOW OIL PRESSURE SWITCH
3.7.2 HIGH TEMPERATURE SWITCH
3.7.3 OVERCRANK
Figure 3.3 - Low Oil Pressure and High Temperature Switches
4.2 CHECKING THE ENGINE OIL LEVEL
4.1 FUSE
4.4 CHANGING THE OIL FILTER
4.5 CHANGING THE ENGINE AIR CLEANER
4.3.2 OIL CHANGE PROCEDURE
4.3 CHANGING THE ENGINE OIL
Figure 4.8 - Setting the Spark Plug Gap
4.7 BATTERY MAINTENANCE
Figure 4.6 - 7 kW, Engine Air Cleaner Location
Figure 4.7 - 12 kW and 15 kW Engine Air Cleaner
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
4.13 SERVICE SCHEDULE
CORRECTION
5.1 TROUBLESHOOTING GUIDE
PROBLEM
CAUSE
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ENGINE WIRING
Section 6 - Electrical Data
CUSTOMER
Generac Power Systems, Inc
Section 6 - Electrical Data
CONTROL PANEL BOX
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
Electrical Schematic - 12 & 15 kW - Drawing No. 0D8501-B
26 Generac Power Systems, Inc
Section 6 - Electrical Data
Section 6 - Electrical Data
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ENGINE WIRING
Section 6 - Electrical Data
CUSTOMER
Generac Power Systems, Inc
Section 6 - Electrical Data
CONTROL PANEL BOX
224A
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Section 6 - Electrical Data
225A
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
Electrical Schematic - 7 kW - Drawing No. 0D9014-C
Generac Power Systems, Inc
Section 6 - Electrical Data
32 Generac Power Systems, Inc
Section 7 - Exploded Views and Parts Lists
PART NO. QTY. DESCRIPTION
Section 7 - Exploded Views and Parts Lists
Generac Power Systems, Inc
PART NO. QTY. DESCRIPTION
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Section 7 - Exploded Views and Parts Lists
Section 7 - Exploded Views and Parts Lists
PART NO. QTY. DESCRIPTION
PART NO. QTY. DESCRIPTION
35, 36, 40
Section 7 - Exploded Views and Parts Lists
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27, 28
PART NO. QTY
Section 7 - Exploded Views and Parts Lists
PART NO. QTY
DESCRIPTION
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Section 7 - Exploded Views and Parts Lists
DESCRIPTION
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
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14 20
1.25 FT
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
1.8 FT
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Section 7 - Exploded Views and Parts Lists
3 FT
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
2.6 FT
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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 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
Guardian Air-cooled 7 kW, 12 Drawing No. 0D3739-B
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ALL DIMENSIONS IN MILLIMETERS INCHES
Section 8 - Mounting
Generac Power Systems, Inc
Section 9 - Notes
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
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
EMISSION CONTROL SYSTEM WARRANTY
Section 10 - Warranty
EMISSION RELATED PARTS INCLUDE THE FOLLOWING
WARRANTY SCHEDULE
GENERAC POWER SYSTEMS TWO YEAR LIMITED WARRANTY FOR GUARDIAN
PREPACKAGED EMERGENCY AUTOMATIC STANDBY GENERATORS
Section 10 - Warranty