OPERATION AND PARTS MANUAL
PARTS LIST NO. M1870400004
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES
MODEL DCA45USI2
Diesel engine exhaust and some of
PROPOSITION 65 WARNING
REPORTING SAFETY DEFECTS
How To Read AC Ammeter/AC Voltmeter Gauges
TABLE OF CONTENTS
Inspection/Setup
Generator Assembly
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SAFETY MESSAGES
SAFETY INFORMATION
SAFETY SYMBOLS
DANGER
GENERATOR SAFETY
GENERAL SAFETY
fire extinguisher
first aid kit
SAFETY INFORMATION
ENGINE SAFETY
DANGER
NEVER operate the engine with heat shields or guards removed
TOWING SAFETY
FUEL SAFETY
SAFETY INFORMATION
DANGER
Grounding Safety
ELECTRICAL SAFETY
Power Cord/Cable Safety
SAFETY INFORMATION
ENVIRONMENTAL SAFETY
BATTERY SAFETY
SAFETY INFORMATION
DANGER
Table 1. Generator Specifications
SPECIFICATIONS
Model
Phase
Table 3. Dimensions
DIMENSIONS
Figure 1. Dimensions
Dimension in. mm
Figure 2. Typical Generator Grounding Application
INSTALLATION
INDOOR INSTALLATION
OUTDOOR INSTALLATION
MOUNTING
GENERATOR GROUNDING
GENERATOR
GENERAL INFORMATION
ENGINE OPERATING PANEL
GENERATOR CONTROL PANEL
DESCRIPTION
MAJOR COMPONENTS
Table 4. Generator Major Components
Figure 3. Major Components
fl owing from the U,V, and W Output Terminal Lugs to the load
GENERATOR CONTROL PANEL
Figure 4. Generator Control Panel
Page
OFF/RESET
ENGINE OPERATING PANEL
HIGH COOLANT TEMPERATURE
Figure 5. Engine Operating Panel
6. Fuel Gauge - Indicates amount of diesel fuel available
ENGINE OPERATING PANEL
OUTPUT TERMINAL FAMILIARIZATION
OUTPUT TERMINAL PANEL FAMILIARIZATION
OUTPUT TERMINAL PANEL
120 VAC GFCI Receptacles
Removing the Plastic Face Plate Hard Wire Hookup Panel
OUTPUT TERMINAL PANEL FAMILIARIZATION
Figure 7. G.F.C.I. Receptacle
Over Current Relay
Connecting Loads
Figure 11. Connecting Loads
OUTPUT TERMINAL PANEL FAMILIARIZATION
THREE PHASE LOAD
SINGLE PHASE LOAD
Table 5. Power Factor By Load
LOAD APPLICATION
Voltage Selector Switch Locking Button
Voltage Selector Switch
GENERATOR OUTPUTS
GENERATOR OUTPUT VOLTAGES
GENERATOR OUTPUTS/GAUGE READING
HOW TO READ THE AC AMMETER AND AC VOLTAGE GAUGES
AC Voltmeter Gauge Reading
AC Ammeter Gauge Reading
UVWO TERMINAL OUTPUT VOLTAGES
OUTPUT TERMINAL PANEL CONNECTIONS
3Ø-240/139 UVWO Terminal Output Voltages
3Ø-208V/1Ø-120V UVWO Terminal Output Voltages
1Ø-240/120V UVWO Terminal Output Voltages
3Ø-480/277V UVWO Terminal Output Voltages
Figure 24. Voltage Selector Switch 3Ø-480/277V Position
Figure 26. Voltage Selector Switch 1Ø-240/120V Position
CIRCUIT BREAKERS
INSPECTION/SETUP
LUBRICATION OIL
FUEL CHECK
ONLY use #2 diesel fuel when refueling
Refueling Procedure
INSPECTION/SETUP
Figure 30. Only Fill on Level Ground
AIR CLEANER
CLEANING THE RADIATOR
COOLANT ANTIFREEZE/SUMMER COOLANT/ WATER
Operation in
Battery Cable Installation
BATTERY
WIRING
ALTERNATOR
BEFORE STARTING
GENERATOR START-UP PROCEDURE
STARTING
STARTING MANUAL
the problem. If the engine is running smoothly, place the engine speed switch Figure 42 in the HIGH up position
GENERATOR START-UP PROCEDURE
NORMAL SHUTDOWN PROCEDURE
GENERATOR SHUT-DOWN PROCEDURES
EMERGENCY SHUTDOWN PROCEDURE
AUTOMATIC SHUT-DOWN SYSTEM
Air Cleaner with Dust Indicator
MAINTENANCE
GENERAL INSPECTION
AIR CLEANER
FUEL ADDITION
Cleaning Inside the Fuel Tank
Removing Water from the Fuel Tank
FUEL TANK INSPECTION
CHECK OIL LEVEL
RADIATOR CLEANING
Replacing Oil Filter
FLUSHING OUT RADIATOR AND REPLACING COOLANT
TRAILER MAINTENANCE
TRAILER MAINTENANCE
BRAKES
Brake Adjustment
Hydraulic Surge Brakes
Actuator
Tire Wear/Inflation
TIRES/WHEELS/LUG NUTS
Suspension
TRAILER MAINTENANCE
TRAILER MAINTENANCE
Lug Nut Torque Requirements
Figure 61. Wheel Lug Nuts Tightening Sequence
Table 18. Tire Torque Requirements
Figure 62. Trailer/Towing Vehicle Wiring Diagram
TRAILER WIRING DIAGRAM
Figure 63. Generator Wiring Diagram
GENERATOR WIRING DIAGRAM
Figure 64. Engine Wiring Diagram
ENGINE WIRING DIAGRAM
Figure 65. Engine Controller
CONTROLLER WIRING DIAGRAM
Table 19. Generator Troubleshooting
TROUBLESHOOTING GENERATOR
Symptom
Possible Problem
METHOD OF OPERATION
TROUBLESHOOTING DIAGNOSTIC LAMP
EXPLANATION OF CODE IN REMARKS COLUMN
SAMPLE PARTS LIST
NO. Column
PART NO. Column
DCA45USI2 WHISPERWATT GENERATOR WITH ISUZU BU-4JJ1T DIESEL ENGINE
SUGGESTED SPARE PARTS
1 to 3 units
GENERATOR ASSY
QTY. REMARKS
PART NAME
GENERATOR ASSY
CONTROL BOX ASSY
CONTROL BOX ASSY
REMARKS
PART NAME
CURRENT TRANSFORMER,150/5A
CONTROL BOX ASSY
PART NAME
CONTROL BOX ASSY
REMARKS
CHANGE-OVER SW, VOLTMETER
CONTROL BOX ASSY
WIRE HARNESS, CONTROLLER
WIRE HARNESS, GENERATOR
CONTROL BOX ASSY
PART NAME
ENGINE AND RADIATOR ASSY
PART NAME
ENGINE AND RADIATOR ASSY
REMARKS
FAN BELT....................................................1 ................REPLACES P/N
ENGINE AND RADIATOR ASSY. CONTINUED
SENSOR, WATER TEMPERATURE
SWITCH, WARNING, OVERHEAT
ENGINE AND RADIATOR ASSY. CONTINUED
PART NAME
OUTPUT TERMINAL ASSY
PART NAME
OUTPUT TERMINAL ASSY
RECEPTACLE CS6369, 250V, 50A
RECEPTACLE GF-530EM, 125V 20A
BATTERY ASSY
BATTERY CABLE
BATTERY ASSY
PART NAME
REMARKS
MUFFLER ASSY
PART NAME
MUFFLER ASSY
REMARKS
REPLACES P/N
FUEL TANK ASSY
PART NAME
FUEL TANK ASSY
REMARKS
ENCLOSURE ASSY
PART NAME
ENCLOSURE ASSY
REMARKS
ENCLOSURE ASSY. CONTINUED
ENCLOSURE ASSY. CONTINUED
FUEL LEAK DETECTED SWITCH
PART NAME
RUBBER SEALS ASSY
PART NAME
RUBBER SEALS ASSY
REMARKS
NAMEPLATE AND DECALS ASSY
PART NAME
NAMEPLATE AND DECALS ASSY
M92010020A
SPECIAL EXPEDITING SERVICE
TERMS AND CONDITIONS OF SALE - PARTS
PAYMENT TERMS
FREIGHT POLICY
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