This manual should remain with the unit
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
DEADLY EXHAUST FUMES. OUTDOOR INSTALLATION ONLY
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 1.1 - 7 kW, Single Cylinder GH-410 Engine
Fuel Regulator Fuel Inlet Battery Compartment
1.4 THE GENERATOR
Figure 1.2 - 12 kW/15 kW, V-twin GT-990 Engine
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
1.9.2 TRANSFER SWITCH 1.9.2.1 7 kW, 12 kW and 15 kW Units
1.9 LOCATION
Figure 1.4 - Demand Regulator
Figure 1.5 - Battery Cable Connections
1.10 BATTERY INSTALLATION
1.11 THE BATTERY
Use tools with insulated handles Wear rubber gloves and boots
2.3 ELECTRICAL CHECKS
2.2 CHECK TRANSFER SWITCH OPERATION
2.1 BEFORE INITIAL START-UP
The following procedures are to be observed
2.4 GENERATOR TESTS UNDER LOAD
2.5 CHECKING AUTOMATIC OPERATION
Figure 2.2 - Placement of Regulator
2.6 ADJUSTING THE REGULATOR NATURAL GAS ONLY
2.7 ENGINE GOVERNOR ADJUSTMENT
2.7.1 7 KW UNITS
Figure 2.3 - Engine Governor Adjustment
2.8 VOLTAGE REGULATOR ADJUSTMENT
3.1 BREAK-IN PROCEDURE
Figure 2.5 - Voltage Adjustment Potentiometer
3.2.1 “AUTO” POSITION
3.3 AUTOMATIC TRANSFER OPERATION
3.4 SEQUENCE OF AUTOMATIC OPERATION
3.2.2 “OFF” POSITION
Figure 3.2 - Manual Transfer Switch Operation
3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE
3.5 MANUAL TRANSFER OPERATION
3.5.1 TRANSFER TO GENERATOR POWER SOURCE
3.7.2 HIGH TEMPERATURE SWITCH
3.6 SETTING THE EXERCISE TIMER
3.7.1 LOW OIL PRESSURE SWITCH
Figure 3.3 - Low Oil Pressure and High Temperature Switches
4.3 CHANGING THE ENGINE OIL
4.1 FUSE
4.2 CHECKING THE ENGINE OIL LEVEL
Oil Dipstick and Fill
Figure 4.6 - 7 kW, Engine Air Cleaner Location
4.5 CHANGING THE ENGINE AIR CLEANER
4.3.2 OIL CHANGE PROCEDURE
Figure 4.7 - 12 kW and 15 kW Engine Air Cleaner
4.6 SPARK PLUGS
4.7 BATTERY MAINTENANCE
Figure 4.8 - Setting the Spark Plug Gap
Use tools with insulated handles Wear rubber gloves and boots
4.9 COOLING SYSTEM
4.8 ADJUSTING VALVE CLEARANCE
Figure 4.10 - Valve Clearance Adjustment
Figure 4.9 - Cooling Vent Locations
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
Section 6 - Electrical Data
24 Generac Power Systems, Inc
ENGINE WIRING
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
Section 6 - Electrical Data
28 Generac Power Systems, Inc
ENGINE WIRING
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
9115
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
2, 5, 19, 20, 39, 40, 47, 64
Section 7 - Exploded Views and Parts Lists
36 Generac Power Systems, Inc
3, 32, 33, 34, 35, 36, 40
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
Section 7 - Exploded Views and Parts Lists
40 Generac Power Systems, Inc
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
46 Generac Power Systems, Inc
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
FOR GT 760 ENGINE ONLY
Section 7 - Exploded Views and Parts Lists
48 Generac Power Systems, Inc
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
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
Generac Power Systems, Inc
Section 9 - Notes
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
Section 10 - Warranty
GENERAC POWER SYSTEMS “TWO YEAR” LIMITED WARRANTY FOR GUARDIAN
“PREPACKAGED EMERGENCY AUTOMATIC STANDBY GENERATORS”
WARRANTY SCHEDULE