Contents
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
Not intended for use as Primary Power in place of utility
CONTENTS
OPERATION AND MAINTENANCE
HOW TO OBTAIN SERVICE
INTRODUCTION
Section 2 - Post Installation Start-up
and Adjustments
Section 4 - Maintenance
Section 5 - Troubleshooting
GENERAL HAZARDS
IMPORTANT SAFETY INSTRUCTIONS
WARNING
This product contains or emits chemicals
ELECTRICAL HAZARDS
FIRE HAZARDS
EXPLOSION HAZARDS
STANDARDS INDEX
1.1 UNPACKING/INSPECTION
1.2 PROTECTION SYSTEMS
1.3 SYSTEM SET LED
DANGER
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
1.5 SPECIFICATIONS
1.5.1 GENERATOR
1.5.2 ENGINE
1.8 RECONFIGURING THE FUEL SYSTEM
1.6 FUEL REQUIREMENTS AND RECOMMENDATIONS
1.7 FUEL CONSUMPTION
DANGER
1.9 LOCATION
1.8.2 12KW AND 15KW, 990CC ENGINES
1.9.1 GENERATOR
Figure 1.4 - Demand Regulator
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
Figure 1.5 - Battery Cable Connections
2.2 CHECK TRANSFER SWITCH OPERATION
2.1 BEFORE INITIAL START-UP
2.3 ELECTRICAL CHECKS
Section 2 - Post Installation Start-up and Adjustments
2.4 GENERATOR TESTS UNDER LOAD
2.5 CHECKING AUTOMATIC OPERATION
2.6 ADJUSTING THE REGULATOR NATURAL GAS ONLY
Figure 2.2 - Placement of Regulator
Figure 2.1 - Dual Fuel Regulators
2.7 ENGINE GOVERNOR ADJUSTMENT
Figure 2.3 - Single Cylinder Engine Governor Adjustment
Figure 2.4 - V-twin Engine Governor Adjustment
Figure 2.5 - V-twin Full Load Speed Adjust Screw
2.8 VOLTAGE REGULATOR ADJUSTMENT
3.1 BREAK-IN PROCEDURE
Figure 2.6 - Voltage Adjustment Potentiometer
3.2.1 “AUTO” POSITION
3.3 AUTOMATIC TRANSFER OPERATION
3.4 SEQUENCE OF AUTOMATIC OPERATION
3.5 MANUAL TRANSFER OPERATION
3.5.1 TRANSFER TO GENERATOR POWER SOURCE
3.6 SETTING THE EXERCISE TIMER
3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE
3.7.1 LOW OIL PRESSURE SWITCH
Figure 3.2 - Manual Transfer Switch Operation
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
4.5 CHANGING THE ENGINE AIR CLEANER
4.3.2 OIL CHANGE PROCEDURE
4.3 CHANGING THE ENGINE OIL
4.4 CHANGING THE OIL FILTER
4.7 BATTERY MAINTENANCE
Figure 4.6 - 7 kW, Engine Air Cleaner Location
Figure 4.7 - 12 kW and 15 kW Engine Air Cleaner
Figure 4.8 - Setting the Spark Plug Gap
4.8 ADJUSTING VALVE CLEARANCE
Figure 4.10 - Valve Clearance Adjustment
4.9 COOLING SYSTEM
4.12 OUT OF SERVICE PROCEDURE
4.12.1 REMOVAL FROM SERVICE
4.12.2 RETURN TO SERVICE
4.10 ATTENTION AFTER SUBMERSION
4.13 SERVICE SCHEDULE
ATTENTION It is recommended that all service work
be performed by the nearest Authorized Dealer
5.1 TROUBLESHOOTING GUIDE
Problem
Cause
Correction
ENGINE WIRING
Section 6 - Electrical Data
CONTROL PANEL BOX
CUSTOMER
CONNECTION
Electrical Schematic - 12 & 15 kW - Drawing No. 0D8501-B
Section 6 - Electrical Data
ENGINE WIRING
Section 6 - Electrical Data
Section 6 - Electrical Data
225A
224A
Electrical Schematic - 7 kW - Drawing No. 0D9014-C
Section 7 - Exploded Views and Parts Lists
PRE PACKAGED UNITS ONLY
PART NO. QTY. DESCRIPTION
CLOTH, HARDWARE 266.7mm x 146mm 7KW
FOAM, EXHAUST SIDE ENCLOSURE FRONT
FOAM, BACK EXHAUST ENCLOSURE COVER
Section 7 - Exploded Views and Parts Lists
PART NO. QTY
DESCRIPTION
Views and Parts Lists
66 2, 5, 19, 20, 39, 40, 47, 64, 93 67 8, 11, 12 68 4, 5
69 16A, 16B, 17
72 27, 28 73 3, 32, 33, 34, 35, 36, 40
ASSEMBLY, CRANKCASE HOUSING WITH
ASSEMBLY, CRANKSHAFT HORIZONTAL
ITEM PART NO. QTY. DESCRIPTION
ROLLER BEARING, GOVERNOR PLATE
Section 7 - Exploded Views and Parts Lists
ASSY, IGNITION COIL GV-990 CYLINDER
7 kW Generator - Drawing No. 0D3504-E
1.8 FT
1.25 FT
12 kW and 15 kW Generator - Drawing No. 0D3417-L
32 31
2.6 FT
3 FT
1.44 FT
Section 7 - Exploded Views and Parts Lists
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
Section 7 - Exploded Views and Parts Lists
ALL DIMENSIONS IN MILLIMETERS INCHES
Section 8 - Mounting
Drawing No
Air-cooled
Section 9 - Notes
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
GENERAC POWER SYSTEMS TWO YEAR LIMITED WARRANTY FOR GUARDIAN
WARRANTY SCHEDULE
THIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING
PREPACKAGED EMERGENCY AUTOMATIC STANDBY GENERATORS