Models 04758-1 6 kW NG, 7 kW LP 04759-1 12 kW NG, 12 kW LP
04760-1 13 kW NG, 15 kW LP
This manual should remain with the unit
DEADLY EXHAUST FUMES. OUTDOOR INSTALLATION ONLY
CONTENTS
OPERATION AND MAINTENANCE
HOW TO OBTAIN SERVICE
INTRODUCTION
Introduction
GENERAL HAZARDS
DANGER
Despite the safe design of this generator
Parts of the generator are rotating and/or hot
ELECTRICAL HAZARDS
FIRE HAZARDS
EXPLOSION HAZARDS
STANDARDS INDEX
1.1 UNPACKING/INSPECTION
1.2 PROTECTION SYSTEMS
1.3 SYSTEM SET LED
DANGER
Fuel Regulator Fuel Inlet Battery Compartment
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 Engine
1.5 SPECIFICATIONS
1.5.1 GENERATOR
1.5.2 ENGINE
Section 1 - General Information
1.8 RECONFIGURING THE FUEL SYSTEM
1.6 FUEL REQUIREMENTS AND RECOMMENDATIONS
1.7 FUEL CONSUMPTION
DANGER
1.9.2 TRANSFER SWITCH 1.9.2.1 7 kW, 12 kW and 15 kW Units
1.9 LOCATION
1.9.1 GENERATOR
Figure 1.4 - Demand Regulator
1.10 BATTERY INSTALLATION
1.11 THE BATTERY
Figure 1.5 - Battery Cable Connections
Use tools with insulated handles Wear rubber gloves and boots
2.2 CHECK TRANSFER SWITCH OPERATION
2.1 BEFORE INITIAL START-UP
2.3 ELECTRICAL CHECKS
The following procedures are to be observed
2.4 GENERATOR TESTS UNDER LOAD
2.5 CHECKING AUTOMATIC OPERATION
2.6 ADJUSTING THE REGULATOR NATURAL GAS ONLY
2.7 ENGINE GOVERNOR ADJUSTMENT
Figure 2.2 - Placement of Regulator
2.7.1 7 KW UNITS
2.8 VOLTAGE REGULATOR ADJUSTMENT
3.1 BREAK-IN PROCEDURE
Figure 2.3 - Engine Governor Adjustment
Figure 2.5 - Voltage Adjustment Potentiometer
3.3 AUTOMATIC TRANSFER OPERATION
3.4 SEQUENCE OF AUTOMATIC OPERATION
3.2.1 “AUTO” POSITION
3.2.2 “OFF” POSITION
3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE
3.5 MANUAL TRANSFER OPERATION
Figure 3.2 - Manual Transfer Switch Operation
3.5.1 TRANSFER TO GENERATOR POWER SOURCE
3.6 SETTING THE EXERCISE TIMER
3.7.1 LOW OIL PRESSURE SWITCH
3.7.2 HIGH TEMPERATURE SWITCH
Figure 3.3 - Low Oil Pressure and High Temperature Switches
4.1 FUSE
4.2 CHECKING THE ENGINE OIL LEVEL
4.3 CHANGING THE ENGINE OIL
Oil Dipstick and Fill
4.5 CHANGING THE ENGINE AIR CLEANER
4.3.2 OIL CHANGE PROCEDURE
Figure 4.6 - 7 kW, Engine Air Cleaner Location
Figure 4.7 - 12 kW and 15 kW Engine Air Cleaner
4.7 BATTERY MAINTENANCE
Figure 4.8 - Setting the Spark Plug Gap
4.6 SPARK PLUGS
Use tools with insulated handles Wear rubber gloves and boots
4.8 ADJUSTING VALVE CLEARANCE
Figure 4.10 - Valve Clearance Adjustment
4.9 COOLING SYSTEM
Figure 4.9 - Cooling Vent Locations
4.12 OUT OF SERVICE PROCEDURE
4.12.2 RETURN TO SERVICE
4.12.1 REMOVAL FROM SERVICE
4.10 ATTENTION AFTER SUBMERSION
4.13 SERVICE SCHEDULE
5.1 TROUBLESHOOTING GUIDE
PROBLEM
CAUSE
CORRECTION
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ENGINE WIRING
Section 6 - Electrical Data
Generac Power Systems, Inc
Section 6 - Electrical Data
CONTROL PANEL BOX
CUSTOMER
Electrical Schematic - 12 & 15 kW - Drawing No. 0D8501-B
26 Generac Power Systems, Inc
Section 6 - Electrical Data
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
Generac Power Systems, Inc
Section 6 - Electrical Data
28 Generac Power Systems, Inc
ENGINE WIRING
Section 6 - Electrical Data
Generac Power Systems, Inc
Section 6 - Electrical Data
CONTROL PANEL BOX
CUSTOMER
30 Generac Power Systems, Inc
Section 6 - Electrical Data
225A
224A
Electrical Schematic - 7 kW - Drawing No. 0D9014-C
Generac Power Systems, Inc
Section 6 - Electrical Data
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
Section 7 - Exploded Views and Parts Lists
32 Generac Power Systems, Inc
9115
Section 7 - Exploded Views and Parts Lists
Generac Power Systems, Inc
PART NO.QTY. DESCRIPTION
PART NO.QTY. DESCRIPTION
Section 7 - Exploded Views and Parts Lists
34 Generac Power Systems, Inc
Section 7 - Exploded Views and Parts Lists
PART NO. QTY. DESCRIPTION
PART NO. QTY. DESCRIPTION
Section 7 - Exploded Views and Parts Lists
36 Generac Power Systems, Inc
2, 5, 19, 20, 39, 40, 47, 64
3, 32, 33, 34, 35, 36, 40
Section 7 - Exploded Views and Parts Lists
PART NO. QTY
DESCRIPTION
PART NO. QTY
38 Generac Power Systems, Inc
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
40 Generac Power Systems, Inc
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
1.8 FT
1.25 FT
Section 7 - Exploded Views and Parts Lists
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Section 7 - Exploded Views and Parts Lists
DESCRIPTION
2.6 FT
3 FT
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
48 Generac Power Systems, Inc
FOR GT 760 ENGINE ONLY
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
50 Generac Power Systems, Inc
ALL DIMENSIONS IN MILLIMETERS INCHES
Section 8 - Mounting
Guardian Air-cooled 7 kW, 12 Drawing No. 0D3739-B
Generac Power Systems, Inc
Section 9 - Notes
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
YOUR WARRANTY RIGHTS AND OBLIGATIONS
MANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGE
PURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIES
CALIFORNIA AND FEDERAL EMISSION CONTROL WARRANTY STATEMENT
EMISSION CONTROL SYSTEM WARRANTY
EMISSION RELATED PARTS INCLUDE THE FOLLOWING
Section 10 - Warranty
GENERAC POWER SYSTEMS “TWO YEAR” LIMITED WARRANTY FOR GUARDIAN
“PREPACKAGED EMERGENCY AUTOMATIC STANDBY GENERATORS”
Section 10 - Warranty
WARRANTY SCHEDULE