Contents
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
during operation. Exercise care near running generators
GENERAL HAZARDS
Despite the safe design of this generator
Parts of the generator are rotating and/or hot
‹ STANDARDS INDEX
ELECTRICAL HAZARDS
FIRE HAZARDS
EXPLOSION HAZARDS
DANGER
1.1 UNPACKING/INSPECTION
1.2 PROTECTION SYSTEMS
1.3 SYSTEM SET LED
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
‹ 1.5.2 ENGINE
1.5 SPECIFICATIONS
‹ 1.5.1 GENERATOR
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
2.3 ELECTRICAL CHECKS
2.2 CHECK TRANSFER SWITCH OPERATION
2.1 BEFORE INITIAL START-UP
2.5 CHECKING AUTOMATIC OPERATION
2.4 GENERATOR TESTS UNDER LOAD
Figure 2.1 - Dual Fuel Regulators
2.6 ADJUSTING THE REGULATOR NATURAL GAS ONLY
Figure 2.2 - Placement of Regulator
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
4.9 COOLING SYSTEM
4.8 ADJUSTING VALVE CLEARANCE
Figure 4.10 - Valve Clearance Adjustment
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
Section 6 - Electrical Data
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ENGINE WIRING
CONNECTION
CONTROL PANEL BOX
CUSTOMER
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Electrical Schematic - 12 & 15 kW - Drawing No. 0D8501-B
Section 6 - Electrical Data
Section 6 - Electrical Data
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CUSTOMER
224A
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225A
Electrical Schematic - 7 kW - Drawing No. 0D9014-C
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Section 7 - Exploded Views and Parts Lists
PART NO. QTY. DESCRIPTION
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PART NO. QTY. DESCRIPTION
35, 36, 40
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27, 28
DESCRIPTION
PART NO. QTY
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DESCRIPTION
14 20
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1.25 FT
1.8 FT
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1.33 FT
2.6 FT
3 FT
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DESCRIPTION
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DESCRIPTION
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DESCRIPTION
Guardian Air-cooled 7 kW, 12 Drawing No. 0D3739-B
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ALL DIMENSIONS IN MILLIMETERS INCHES
Section 8 - Mounting
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
EMISSION RELATED PARTS INCLUDE THE FOLLOWING
EMISSION CONTROL SYSTEM WARRANTY
THIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING
GENERAC POWER SYSTEMS TWO YEAR LIMITED WARRANTY FOR GUARDIAN
PREPACKAGED EMERGENCY AUTOMATIC STANDBY GENERATORS
WARRANTY SCHEDULE