04760-2 13 kW NG, 15 kW LP
Models 04758-2 6 kW NG, 7 kW LP 04759-2 12 kW NG, 12 kW LP
This manual should remain with the unit
Installation and Owner’s Manual
‹ OPERATION AND MAINTENANCE
‹ CONTENTS
‹ HOW TO OBTAIN SERVICE
INTRODUCTION
Introduction
Despite the safe design of this generator
GENERAL HAZARDS
Parts of the generator are rotating and/or hot
during operation. Exercise care near running generators
FIRE HAZARDS
ELECTRICAL HAZARDS
EXPLOSION HAZARDS
‹ STANDARDS INDEX
1.2 PROTECTION SYSTEMS
1.1 UNPACKING/INSPECTION
1.3 SYSTEM SET LED
DANGER
Figure 1.1 - 7 kW, Single Cylinder GH-410 Engine
1.4 THE GENERATOR
Figure 1.2 - 12 kW/15 kW, V-twin GT-990/760 Engine
‹ 1.5.1 GENERATOR
1.5 SPECIFICATIONS
‹ 1.5.2 ENGINE
1.6 FUEL REQUIREMENTS AND RECOMMENDATIONS
1.8 RECONFIGURING THE FUEL SYSTEM
1.7 FUEL CONSUMPTION
DANGER
1.8.2 12KW AND 15KW, 990CC ENGINES
1.9 LOCATION
1.9.1 GENERATOR
Figure 1.4 - Demand Regulator
1.11 THE BATTERY
1.10 BATTERY INSTALLATION
1.9.2 TRANSFER SWITCH 1.9.2.1 7 kW, 12 kW and 15 kW Units
Figure 1.5 - Battery Cable Connections
2.1 BEFORE INITIAL START-UP
2.2 CHECK TRANSFER SWITCH OPERATION
2.3 ELECTRICAL CHECKS
2.5 CHECKING AUTOMATIC OPERATION
2.4 GENERATOR TESTS UNDER LOAD
Figure 2.2 - Placement of Regulator
2.6 ADJUSTING THE REGULATOR NATURAL GAS ONLY
Figure 2.1 - Dual Fuel Regulators
Figure 2.4 - V-twin Engine Governor Adjustment
2.7 ENGINE GOVERNOR ADJUSTMENT
Figure 2.3 - Single Cylinder Engine Governor Adjustment
Figure 2.5 - V-twin Full Load Speed Adjust Screw
3.1 BREAK-IN PROCEDURE
2.8 VOLTAGE REGULATOR ADJUSTMENT
3.2 USING THE AUTO/OFF/MANUAL SWITCH FIGURE
Figure 2.6 - Voltage Adjustment Potentiometer
3.5 MANUAL TRANSFER OPERATION
3.3 AUTOMATIC TRANSFER OPERATION
3.4 SEQUENCE OF AUTOMATIC OPERATION
‹ 3.5.1 TRANSFER TO GENERATOR POWER SOURCE
‹ 3.7.1 LOW OIL PRESSURE SWITCH
‹ 3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE
‹ 3.7.2 HIGH TEMPERATURE SWITCH
Figure 3.2 - Manual Transfer Switch Operation
4.2 CHECKING THE ENGINE OIL LEVEL
Figure 3.3 - Low Oil Pressure and High Temperature Switches
4.1 FUSE
‹ 3.7.3 OVERCRANK
‹ 4.3.2 OIL CHANGE PROCEDURE
4.5 CHANGING THE ENGINE AIR CLEANER
4.3 CHANGING THE ENGINE OIL
4.4 CHANGING THE OIL FILTER
Figure 4.6 - 7 kW, Engine Air Cleaner Location
4.7 BATTERY MAINTENANCE
Figure 4.7 - 12 kW and 15 kW Engine Air Cleaner
Figure 4.8 - Setting the Spark Plug Gap
Figure 4.10 - Valve Clearance Adjustment
4.8 ADJUSTING VALVE CLEARANCE
4.9 COOLING SYSTEM
‹ 4.12.2 RETURN TO SERVICE
4.12 OUT OF SERVICE PROCEDURE
‹ 4.12.1 REMOVAL FROM SERVICE
4.10 ATTENTION AFTER SUBMERSION
4.13 SERVICE SCHEDULE
PROBLEM
5.1 TROUBLESHOOTING GUIDE
CAUSE
CORRECTION
ENGINE WIRING
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Section 6 - Electrical Data
CUSTOMER
CONTROL PANEL BOX
CONNECTION
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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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Section 6 - Electrical Data
225A
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224A
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
27, 28
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35, 36, 40
DESCRIPTION
PART NO. QTY
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DESCRIPTION
14 20
40 Generac Power Systems, Inc
1.25 FT
1.8 FT
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3 FT
2.6 FT
1.33 FT
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DESCRIPTION
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DESCRIPTION
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DESCRIPTION
ALL DIMENSIONS IN MILLIMETERS INCHES
50 Generac Power Systems, Inc
Section 8 - Mounting
Guardian Air-cooled 7 kW, 12 Drawing No. 0D3739-B
Section 9 - Notes
MANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGE
YOUR WARRANTY RIGHTS AND OBLIGATIONS
PURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIES
CALIFORNIA AND FEDERAL EMISSION CONTROL WARRANTY STATEMENT
EMISSION RELATED PARTS INCLUDE THE FOLLOWING
EMISSION CONTROL SYSTEM WARRANTY
PREPACKAGED EMERGENCY AUTOMATIC STANDBY GENERATORS
GENERAC POWER SYSTEMS TWO YEAR LIMITED WARRANTY FOR GUARDIAN
WARRANTY SCHEDULE
THIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING
DANGER