SERVICE DEPARTMENT
PARTS AND OPERATION MANUAL
MQ POWER DCA-25SSAI WHISPERWATTTM GENERATOR
PARTS LIST NO
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WARRANTY DEPARTMENT 800/835-2551 or 310/537-3700 FAX 310/638-8046
HERES HOW TO GET HELP
PLEASE HAVE THE MODEL AND SERIAL NUMBER ON-HAND WHEN CALLING
SERVICE DEPARTMENT 800/835-2551 or 310/537-3700 FAX 310/638-8046
ISUZU C240 ENGINE
TABLE OF CONTENTS
Specification and part number are subject to change without notice
MQ POWER DCA-25SSAI AC GENERATOR
Discount
PARTS ORDERING PROCEDURES
Now! Direct TOLL-FREE access to our Parts Department
Extra
GENERAL SAFETY
RULES FOR SAFE OPERATION
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Radiator
RULES FOR SAFE OPERATION
Battery
Loading and Unloading Crane
RULES FOR SAFE OPERATION
Emergencies
Maintenance Safety
RULES FOR SAFE OPERATION
Transporting
DCA-25SSAI -TOWING RULES FOR SAFE OPERATION
Towing Safety Precautions
Explanation of Chart
DCA-25SSAI - TRAILER-SAFETY GUIDELINES
MODEL
DCA-25SSAI -TRAILER-SPECIFICATIONS
Table 1. Specifications
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COUPLER
DCA-25SSAI -TRAILER-SPECIFICATIONS
Table 1. Specifications Cont
MODEL
Suspension
DCA-25SSAI -TRAILER SAFETY GUIDELINES
Tires/Wheels/Lug Nuts
Tire Wear/Inflation
Table 3. Suspension Torque Requirements
DCA-25SSAI -TRAILER SAFETY GUIDELINES
Torque Ft.-Lbs
Lug Nut Torque Requirements
DCA-25SSAI -TRAILER-WIRING DIAGRAM
LIGHTS ARE ORIENTED FROM THE DRIVER’S SEAT
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DCA-25SSAI - GENERATOR DECALS
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DCA-25SSAI - GENERATOR DECALS
Zig Zag
DCA-25SSAI - SPECIFICATIONS
Generator Specifications
Engine Specifications
Generator Control Panel
DCA-25SSAI - GENERAL INFORMATION
DCA-25SSAI FAMILIARIZATION Generator
Engine Operating Panel
Figure 4. Major Components
DCA-25SSAI - MAJOR COMPONENTS
DCA-25SSAI - DIMENSIONS TOP, SIDE AND FRONT
Figure 5. Dimensions
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NOTE PAGE
DCA-25SSAI - CONTROL PANEL
Figure 6. Control Panel
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1. Main Circuit Breaker - This three-pole, 60 amp main breaker is provided to protect the UVW voltage output terminals from overload
DCA-25SSAI - CONTROL PANEL
DCA-25SSAI - ENGINE OPERATING PANEL
Figure 7. Engine Operating Panel
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DCA-25SSAI - ENGINE OPERATING PANEL
Circuit Breakers
Connecting Load
DCA-25SSAI - OUTPUTTERMINAL PANEL
120 Volt Receptacle
DCA-25SSAI - OUTPUTTERMINAL PANEL
Figure 10. Output Terminal Description
Legs “O” and Ground are considered Bonded Grounds
Over Current Relay
DCA-25SSAI - OUTPUT AMPERAGE SETUP
Voltage Selector Switch Locking Button
Output Terminal Panel Available Voltages
Receptacle Use
DCA-25SSAI - OUTPUT AMPERAGE SETUP
How To Read The Output Terminal Gauges
Table 8. Receptacle Use
240/120V Hard Wire Hookup
DCA-25SSAI - OUTPUT VOLTAGE SETUP
Single Phase 277V, 254V, or
DCA-25SSAI - OUTPUT VOLTAGE SETUP
Single Phase 480V, 440V, or 416 Volt
3 Phase, 480V, 440V, or 416 Volt
DCA-25SSAI - OUTPUT VOLTAGE SETUP
Single Phase 240V, 220V, or 208 Volt
3 Phase, 240V, 220V, or 208 Volt
Single Phase 139V, 127V, or
Single Phase, 240 Volt
DCA-25SSAI - OUTPUT VOLTAGE SETUP
Voltage Selector Switch- Single Phase 240/120V Position
Single Phase 120 Volt
DCA-25SSAI - INSTALLATION
Outdoor Installation
Mounting
Figure 30. Typical Generator Grounding Application
DCA-25SSAI - INSTALLATION
#12 Wire
DCA-25SSAI - PRE-SETUP
Table 9. Cable Selection 60 Hz, Single Phase Operation
#10 Wire
Figure 31. Engine Oil Dipstick
Table 10. Recommended Motor Oil
Lubrication Oil
DCA-25SSAI - PRE-SETUP
Fan Belt Tension
Cleaning the Outer Radiator
Air Cleaner
Adjusting Fan Belt
Piping and Hose Connection
DCA-25SSAI - PRE-SETUP
Battery Cable Installation
Wiring
Single Phase Load
Three Phase Load
DCA-25SSAI - LOAD APPLICATION
DCA-25SSAI - GENERATOR START-UP PROCEDURE
Before Starting Engine
Before Starting Generator and Control Panel
Figure 40. Ignition Switch ‘PREHEAT’ Figure 44. Voltage Meter Volts
DCA-25SSAI - GENERATOR START-UP PROCEDURE
Figure 38. Voltage Selection Switch
Figure 41. Ignition Switch ‘START’
DCA-25SSAI - GENERATOR START-UP PROCEDURE
ENGINE SHUTDOWN
DCA-25SSAI - GENERATOR SHUTDOWN PROCEDURE
NOTE PAGE
General Inspection
DCA-25SSAI - MAINTENANCE
Service Daily
Cleaning the Fuel Strainer
10 Hrs
Generator Storage
DCA-25SSAI - MAINTENANCE
INSPECTION / MAINTENANCE
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DCA-25SSAI - GENERATORWIRING DIAGRAM
DCA-25SSAI - ENGINEWIRING DIAGRAM
POSSIBLE PROBLEM
DCA-25SSAI -TROUBLESHOOTING ENGINE
TABLE 14. ENGINE TROUBLESHOOTING
SYMPTOM
POSSIBLE PROBLEM
DCA-25SSAI -TROUBLESHOOTING ENGINE
TABLE 14. ENGINE TROUBLESHOOTING CONTINUED
SYMPTOM
POSSIBLE PROBLEM
DCA-25SSAI -TROUBLESHOOTING GENERATOR
TABLE 17. GENERATOR TROUBLESHOOTING
SYMPTOM
NOTE PAGE
Items Found In the “Items Number” Column
How to read the marks and remarks used in this parts book
EXPLANATION OF CODE IN REMARKS COLUMN
Items Found In the “Remarks” Column
DCA-25SSAI - SUGGESTED SPARE PARTS
Description
DCA-25SSAI W/ISUZU C240 DIESEL ENGINE 1 TO 3 UNITS
DCA-25SSAI --- GENERATOR ASSY
GENERATOR ASSY
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GENERATOR ASSY
DCA-25SSAI
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DCA-25SSAI --- GENERATOR ASSY
DCA-25SSAI --- GENERATOR ASSY
REMARKS
DCA-25SSAI --- CONTROL BOX ASSY
CONTROL BOX ASSY
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CONTROL BOX ASSY
CONTROL BOX ASSY
DCA-25SSAI
REMARKS
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DCA-25SSAI --- CONTROL BOX ASSY
DCA-25SSAI
CONTROL BOX ASSY
REMARKS
DCA-25SSAI ENGINE AND RADIATOR ASSY
ENGINE AND RADIATOR ASSY
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REPLACES 0602040069FWG058036
DCA-25SSAI ENGINE AND RADIATOR ASSY
REMARKS
REPLACES 0602000008 ISUZU C240
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DCA-25SSAI ENGINE AND RADIATOR ASSY
DCA-25SSAI ENGINE AND RADIATOR ASSY
REMARKS
EARTH CABLE
DCA-25SSAI --- ENGINE OPERATING PANEL ASSY
ENGINE OPERATING PANEL ASSY
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BRACKET, ENGINE STOPPER
ENGINE OPERATING PANEL ASSY
DCA-25SSAI
REPLACES 060212005225000KX3710
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DCA-25SSAI --- ENGINE OPERATING PANEL ASSY
SET BOARD, OUTPUT TERMINAL
DCA-25SSAI
ENGINE OPERATING PANEL ASSY
REMARKS
DCA-25SSAI --- BATTERY ASSY
BATTERY ASSY
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BATTERY ASSY
DCA-25SSAI
REMARKS
DCA-25SSAI --- MUFFLER ASSY
MUFFLER ASSY
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7342311002A
MUFFLER ASSY
DCA-25SSAI
REMARKS
DCA-25SSAI --- FUEL TANK ASSY
FUEL TANK ASSY
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FUEL TANK ASSY
DCA-25SSAI
REMARKS
DCA-25SSAI --- ENCLOSURE ASSY
ENCLOSURE ASSY
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ENCLOSURE ASSY
DCA-25SSAI
REMARKS
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DCA-25SSAI --- ENCLOSURE ASSY
DCA-25SSAI
ENCLOSURE ASSY
REMARKS
DCA-25SSAI --- DECALS
DECAL ASSY
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DECALS
DCA-25SSAI
REMARKS
ISUZU C240 --- CYLINDER HEAD AND COVER ASSY
CYLINDER HEAD AND COVER ASSY
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REMARKS
ISUZU C240 --- CYLINDER HEAD AND COVER ASSY
INLET AND EXHAUST VALVE SEAL
CYLINDER HEAD OIL COOLER PLUG
ISUZU C240 --- CYLINDER BLOCK ASSY
CYLINDER BLOCK ASSY
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TAPPET CHAMBER COVER CLIP
ISUZU C240 --- CYLINDER BLOCK ASSY
REMARKS
TAPPET CHAMBER COVER ASSY
ISUZU C240 ---TIMING GEAR ASSY
TIMING GEAR ASSY
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ISUZU C240 ---TIMING GEAR ASSY
ISUZU C240 FLYWHEEL HOUSING ASSY
FLYWHEEL HOUSING ASSY
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STIFFENER RIGHT SIDE
ISUZU C240 FLYWHEEL HOUSING ASSY
ISUZU C240 OIL PAN ASSY
OIL PAN ASSY
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REMARKS
ISUZU C240 OIL PAN ASSY
ISUZU C240 ---OIL PUMP ASSY
OIL PUMP ASSY
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INCL. ITEMS W/#
ISUZU C240 ---OIL PUMP ASSY
22*%
INCL. ITEMS W
ISUZU C240 --- CRANKSHAFT, BRIDGE AND FLYWHEEL ASSY
CRANKSHAFT, BRIDGE AND FLYWHEEL ASSY
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9-1@
CONNECTING ROD ASSY
ISUZU C240 --- CRANKSHAFT, BRIDGE AND FLYWHEEL ASSY
REMARKS
OIL AND FUEL FILTER ASSY
ISUZU C240 --- OIL AND FUEL FILTER ASSY
ISUZU C240
OIL AND FUEL FILTER ASSY
REMARKS
OIL PIPE ASSY
ISUZU C240 --- OIL PIPE ASSY
OIL PIPE ASSY
ISUZU C240
WATER PUMP AND FAN ASSY
ISUZU C240 --- WATER PUMP AND FAN ASSY
WATER PUMP ASSY
ADJUSTING FAN BELT PLATE
ISUZU C240 --- WATER PUMP AND FAN ASSY
REMARKS
INTAKE AND EXHAUST MAINIFOLD ASSY
ISUZU C240 --- INTAKE AND EXHAUST MANIFOLD ASSY
WIRE CONTROL BRACKET
ISUZU C240 --- INTAKE AND EXHAUST MANIFOLD ASSY
INTAKE AND EXHAUST MANIFOLD ASSY
AIR CLEANER ASSY
ISUZU C240 --- AIR CLEANER ASSY
REMARKS
ISUZU C240 --- AIR CLEANER ASSY
AIR CLEANER ASSY
AIR CLEANER ASSY
ENGINE FOOT ASSY
ISUZU C240 --- ENGINE FOOT ASSY
ISUZU C240 --- ENGINE FOOT ASSY
QTY. REMARKS
ENGINE FOOT ASSY
INJECTION PUMP ASSY
ISUZU C240 --- INJECTION PUMP ASSY
INJ. PUMP SPACER BRACKET
INJECTION PUMP ASSY
ISUZU C240
REMARKS
ELECTRICAL PARTS
ISUZU C240 --- ELECTRICAL PARTS
ELECTRICAL PARTS
ELECTRICAL PARTS
ISUZU C240
REMARKS
ACCESSORIES
ISUZU C240 --- ACCESSORIES
DRIVE ASSY
ACCESSORIES
ISUZU C240
REMARKS
INJECTION PUMP COMP. ASSY
ISUZU C240 ---INJECTION PUMP COMP. ASSY
REMARKS
ISUZU C240 --- INJECTION PUMP COMP. ASSY
ISUZU C240 --- INJECTION PUMP COMP. ASSY
ISUZU C240 --- INJECTION PUMP COMP. ASSY
ISUZU C240 --- INJECTION PUMP COMP. ASSY
QTY. REMARKS
ISUZU C240 --- INJECTION PUMP COMP. ASSY
GOVERNOR COMP. ASSY
ISUZU C240 ---GOVERNOR COMP. ASSY
GOVERNOR COMP. ASSY
ISUZU C240
REMARKS
ISUZU C240 --- GOVERNOR COMP. ASSY
GOVERNOR COMP. ASSY
ISUZU C240
REMARKS
FEED PUMP COMP. ASSY
ISUZU C240 --- FEED PUMP COMP. ASSY
FEED PUMP COMP. ASSY
ISUZU C240
REMARKS
AUTO TIMER COMP. ASSY
ISUZU C240 --- AUTO TIMER COMP. ASSY
REMARKS
ISUZU C240 --- AUTO TIMER COMP. ASSY
NOZZLE HOLDER COMP. ASSY
ISUZU C240 --- NOZZLE HOLDER COMP. ASSY
ISUZU C240 --- NOZZLE HOLDER COMP. ASSY
REMARKS
PUSH ROD
STARTER COMP. ASSY
ISUZU C240 ---STARTER COMP. ASSY
REMARKS
STARTER COMP. ASSY
MAGNETIC SWITCH ASSY
ISUZU C240
ALTERNATOR COMP. ASSY. OCT. 1992~
ISUZU C240 --- ALTERNATOR COMP. ASSY
10*#%
ALTERNATOR COMP. ASSY
ISUZU C240
REMARKS
ALTERNATOR COMP. ASSY. BEFORE OCT
ISUZU C240 ---ALTERNATOR COMP. ASSY
27*#
ISUZU C240
ALTERNATOR COMP. ASSY
REMARKS
SPECIAL EXPEDITING SERVICE
Effective July 1
TERMS AND CONDITIONS OF SALE - PARTS
11. Credit issued will be applied to future purchases only
NOTE PAGE
WARRANTY DEPARTMENT 800/835-2551 or 310/537-3700 FAX 310/638-8046
HERES HOW TO GET HELP
PLEASE HAVE THE MODEL AND SERIAL NUMBER ON-HAND WHEN CALLING
SERVICE DEPARTMENT 800/835-2551 or 310/537-3700 FAX 310/638-8046