Air-cooled,Prepackaged
DEADLY EXHAUST FUMES. OUTDOOR INSTALLATION ONLY
POWER SYSTEMS, INC
DANGER
INTRODUCTION
CONTENTS
OPERATION AND MAINTENANCE
HOW TO OBTAIN SERVICE
Introduction
DANGER
GENERAL HAZARDS
STANDARDS INDEX
ELECTRICAL HAZARDS
FIRE HAZARDS
EXPLOSION HAZARDS
DANGER
1.1UNPACKING/INSPECTION
1.2PROTECTION SYSTEMS
1.3SYSTEM SET LED
Figure 1.2 - 12 kW and 15 kW, V-twin GT-990Engine
1.4YOUR GENERATOR
Figure 1.1 - 7 kW, Single Cylinder GH-410Engine
Section 1 - General Information
1.5 SPECIFICATIONS
1.5.1 GENERATOR
1.5.2 ENGINE
DANGER
1.8RECONFIGURING THE FUEL SYSTEM
1.6FUEL REQUIREMENTS AND RECOMMENDATIONS
1.7FUEL CONSUMPTION
1.9.2.1 7 kW, 12 kW and 15 kW Units
1.9.2 TRANSFER SWITCH
1.9LOCATION
1.9.1 GENERATOR
DANGER
1.10 BATTERY INSTALLATION
1.11 THE BATTERY
Figure 1.5 - Battery Cable Connections
DANGER
2.2CHECK TRANSFER SWITCH OPERATION
2.1BEFORE INITIAL START-UP
2.3ELECTRICAL CHECKS
2.5CHECKING AUTOMATIC OPERATION
2.4GENERATOR TESTS UNDER LOAD
2.7.1 7 KW UNITS
2.6ADJUSTING THE REGULATOR NATURAL GAS ONLY
2.7ENGINE GOVERNOR ADJUSTMENT
Figure 2.2 - Placement of Regulator
Figure 2.5 - Voltage Adjustment Potentiometer
2.8VOLTAGE REGULATOR ADJUSTMENT
Figure 2.3 - Engine Governor Adjustment
Figure 2.4 - Full Load Speed Adjust Screw
3.2.1 “AUTO” POSITION
3.1 BREAK-INPROCEDURE
3.3AUTOMATIC TRANSFER OPERATION
3.2.3 “MANUAL” POSITION
3.5MANUAL TRANSFER OPERATION
Figure 3.2 - Manual Transfer Switch Operation
3.5.1 TRANSFER TO GENERATOR POWER SOURCE
3.4SEQUENCE OF AUTOMATIC OPERATION
3.7.2 HIGH TEMPERATURE SWITCH
3.6SETTING THE EXERCISE TIMER
3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE
3.7.1 LOW OIL PRESSURE SWITCH
3.7.4 OVERSPEED
4.1 FUSE
4.2 CHECKING THE ENGINE OIL LEVEL
3.7.3.1 Approximate Crank Cycle Times
4.3CHANGING THE ENGINE OIL
4.5CHANGING THE ENGINE AIR CLEANER
4.3.2 OIL CHANGE PROCEDURE
Figure 4.6 - 7 kW, Engine Air Cleaner Location
4.6SPARK PLUGS
4.7BATTERY MAINTENANCE
Figure 4.7 - 12 kW and 15 kW Engine Air Cleaner
Figure 4.8 - Setting the Spark Plug Gap
Figure 4.9 - Cooling Vent Locations
4.8ADJUSTING GH-410/GT-990VALVE CLEARANCE
Figure 4.10 - Valve Clearance Adjustment
4.9COOLING SYSTEM
4.10 ATTENTION AFTER SUBMERSION
4.12 OUT OF SERVICE PROCEDURE
4.12.1 REMOVAL FROM SERVICE
4.12.2 RETURN TO SERVICE
4.13 SERVICE SCHEDULE
CORRECTION
5.1TROUBLESHOOTING GUIDE
PROBLEM
CAUSE
IC IM2
24 Generac Power Systems, Inc
ENGINE WIRING
Section 6 - Electrical Data
CUSTOMER
Generac Power Systems, Inc
Section 6 - Electrical Data
CONTROL PANEL BOX
Section 6 - Electrical Data
26 Generac Power Systems, Inc
C2-6
Section 6 - Electrical Data
Section 6 - Electrical Data
28 Generac Power Systems, Inc
ENGINE WIRING
CUSTOMER
Generac Power Systems, Inc
Section 6 - Electrical Data
CONTROL PANEL BOX
Section 6 - Electrical Data
30 Generac Power Systems, Inc
11 TX 225A N256VA 224A 1VA 224 N1
Generac Power Systems, Inc
Section 6 - Electrical Data
32 Generac Power Systems, Inc
Section 7 - Exploded Views and Parts Lists
PART NO.QTY. DESCRIPTION
Section 7 - Exploded Views and Parts Lists
ITEM
PART NO.QTY. DESCRIPTION
Page
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
23 26
Section 7 - Exploded Views and Parts Lists
7 9
0D4801
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
8 35 34
Section 7 - Exploded Views and Parts Lists
37 17 24 10 1
0D3086
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
Kit Contains
PART NO
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
ITEM
42 Generac Power Systems, Inc
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
7 kW Generator - Drawing No. 0D3504-C
Section 7 - Exploded Views and Parts Lists
44 Generac Power Systems, Inc
0C6934
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
12 kW and 15 kW Generator - Drawing No. 0D3417-D
46 Generac Power Systems, Inc
0C6934
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
GN410 Engine - Drawing No. 0D3539-DPart
48 Generac Power Systems, Inc
071978
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
4 2 27
Section 7 - Exploded Views and Parts Lists
50 Generac Power Systems, Inc
11 9
0C1069
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
PART NO. QTY
Section 7 - Exploded Views and Parts Lists
PART NO. QTY
DESCRIPTION
Guardian Air
Section 8 - Mounting Dimensions
Generac Power Systems, Inc
ALL DIMENSIONS IN MILLIMETERS INCHES
54 Generac Power Systems, Inc
Generac Power Systems, Inc
CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT
YOUR WARRANTY RIGHTS AND OBLIGATIONS
PURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIES
1-800-333-1322
Section 10 - Warranty
EMISSION CONTROL SYSTEM WARRANTY
EMISSION RELATED PARTS INCLUDE THE FOLLOWING
GUARDIAN “EMERGENCY AUTOMATIC STANDBY GENERATORS”
WARRANTY SCHEDULE
Section 10 - Warranty
GENERAC POWER SYSTEMS, INC