Summary of Contents for MULTIQUIP Power WHISPERWATT DCA-25SSIU2
Page 1
PARTS AND OPERATION MANUAL OPERATION AND PARTS MANUAL WHISPERWATT SERIES MODEL DCA-25SSIU2 60 Hz GENERATOR PARTS LIST NO. M1870300804 Revision #0 (01/27/06) THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
Page 2
PAGE 2 — DCA-25SSIU2 (60 HZ)— OPERATION AND PARTS MANUAL — REV. #0 (01/27/06)
TABLE OF CONTENTS COMPONENT DRA COMPONENT DRAWINGS COMPONENT DRA WINGS WINGS WINGS COMPONENT DRA COMPONENT DRA WINGS MQ POWER DCA-25SSIU2 (60 HZ) MQ POWER DCA-25SSIU2 (60 HZ) MQ POWER DCA-25SSIU2 (60 HZ) MQ POWER DCA-25SSIU2 (60 HZ) MQ POWER DCA-25SSIU2 (60 HZ) WHISPER WHISPER WHISPERW W W W W A A A A A TT™...
**Common nuts, bolts and washers (all items under $1.00 list price) do not count towards the 10+ line items. NOTE: DISCOUNTS ARE SUBJECT TO CHANGE Direct TOLL-FREE access MQPOWER A Division of Multiquip Inc. to our Parts Department: POST OFFICE BOX 6254 CARSON, CA 90749 310-537-3700 • 800-421-1244 Toll-free nationwide —...
DCA-25SSIU2 (60 HZ) — SAFETY MESSAGE ALERT SYMBOLS FOR YOUR SAFETY AND THE SAFETY OF OTHERS! HAZARD SYMBOLS Potential hazards associated with the operation of this Safety precautions should be followed at all times when equipment will be referenced with " Hazard Symbols " which operating this equipment.
Page 9
DCA-25SSIU2 (60 HZ) — SAFETY MESSAGE ALERT SYMBOLS WARNING - ROTATING PARTS CAUTION - RESPIRATORY HAZARDS NEVER operate equipment with covers, ALWAYS wear approved respiratory or guards removed. Keep fingers , hands , protection. hair and clothing away from all moving parts to prevent injury.
DCA-25SSIU2 (60 HZ)— RULES FOR SAFE OPERATION ■ ALWAYS check the machine for loosened threads or bolts DANGER - READ THIS MANUAL! before starting. Failure to follow instructions in this manual may lead to ■ NEVER operate the generator in an explosive atmosphere serious injury or even DEATH ! This equipment is to be or near combustible materials.
Page 11
DCA-25SSIU2 (60 HZ)— RULES FOR SAFE OPERATION Generator Grounding DANGER - ELECTROCUTION HAZARDS To guard against electrical shock and possible damage to During operation of this generator, there the equipment, it is important to provide a good EARTH exists the possibility of electrocution, ground.
Page 12
DCA-25SSIU2 (60 HZ)— RULES FOR SAFE OPERATION Maintenance Safety Battery Safety ■ The electrical voltage required to operate the generator Use the following guidelines when handling the battery: can cause severe injury or even death through physical ■ The battery contains acids that can contact with live circuits.
Page 13
DCA-25SSIU2 (60 HZ)— RULES FOR SAFE OPERATION ■ The maximum speed for highway towing is 55 MPH Towing & Transporting Safety unless posted otherwise. Recommended off-road towing To reduce the possibility of an accident while transporting is not to exceed 15 MPH or less depending on type of the generator on public roads, always make sure the trailer terrain.
DCA-25SSIU2 (60 HZ)— GENERATOR DECALS The DCA-25SSIU2 (60 Hz) Whisperwatt ™ Generator is equipped with a number of safety decals (Figures 2 & 3). These decals are provided for operator safety and maintenance information. The illustration below and on the preceding page show the decals as they appear on the machine.
Page 17
DCA-25SSIU2 (60 HZ)— INSTALLATION Outdoor Installation Generator Grounding Install the generator in a area that is free of debris, To guard against electrical shock and possible damage to bystanders, and overhead obstructions. Make sure the the equipment, it is important to provide a good EARTH generator is on secure level ground so that it cannot slide or ground.
DCA-25SSIU2 (60 HZ)— GENERAL INFORMATION Open Delta Excitation System DCA-25SSIU2 (60 Hz) Series Familiarization The DCA-25SSIU2 (60 HZ) generator is equipped with the Generator state of the art " Open-Delta " excitation system. The open The MQ Power Model DCA-25SSIU2 (60 Hz) is a 20 kW delta system consist of an electrically independent winding generator (Figure 5) that is designed as a high quality portable wound among stationary windings of the AC output section.
Page 19
DCA-25SSIU2 (60 HZ)— MAJOR COMPONENTS t a r r o j y l b s e l y l b r i A l i F r e t y l b f f u r e l y l b y l b y l b e t t...
Page 20
DCA-25SSIU2 (60 HZ)— GENERATOR CONTROL PANEL Figure 6. Generator Control Panel Located behind the generator control panel is the Generator The definitions below describe the controls and functions of the Control Box . This box contains some of the necessary DCA-25SSIU2 (60 HZ) Generator Control Panel (Figure 6).
Page 21
DCA-25SSIU2 (60 HZ)— ENGINE OPERATING PANEL Figure 7. Engine Operating Panel Pre-heat Lamp - This indicates when the engine is The definitions below describe the controls and functions of ready for starting during cold weather operating the DCA-25SSIU2 (60 HZ) " Engine Operating Panel " conditions.
Page 22
DCA-25SSIU2 (60 HZ)— OUTPUT TERMINAL PANEL FAMILIARIZATION Output Terminal Panel Output Terminal Familiarization The Output Terminal Panel (Figure 8) shown below is located The “ Output Terminal Panel ” (Figure 9) is provided with the on the right-hand side (left from control panel) of the generator. following: Lift up on the cover to gain access to receptacles and terminal ■...
Page 23
DCA-25SSIU2 (60 HZ)— OUTPUT TERMINAL PANEL FAMILIARIZATION Figure 11. Voltage Regulator Control Knob Each auxiliary receptacle is protected by a 50 amp circuit breaker. These breakers are located directly above the GFCI receptacles. Remember the load output (current) on all three Figure 9.
Page 24
DCA-25SSIU2 (60 HZ)— OUTPUT TERMINAL PANEL FAMILIARIZATION Connecting Loads Blower Fan Loads can be connected to the generator by the Output This unit has an intake fan located at the rear of the machine Terminal Lugs or the convenience receptacles (Figure 13). to draw outside air into the cabinet to cool the engine.
DCA-25SSIU2 (60 HZ)— LOAD APPLICATION Single Phase Load Three Phase Load Always be sure to check the nameplate on the generator When calculating the power requirements for 3-phase power and equipment to insure the wattage, amperage, frequency, use the following equation: and voltage requirements are satisfactorily supplied by the generator for operating the equipment.
DCA-25SSIU2 (60 HZ)— GENERATOR OUTPUTS Voltage Selector Switch Generator Amperage The voltage selector switch (Figure 16) is located above Table 8 describes the generator’s current output capability the output terminal panel’s Hard Wire Hook-up Panel . It for both 1Ø-phase and 3Ø phase applications. has been provided for ease of voltage selection.
DCA-25SSIU2 (60 HZ)— GAUGE READING How to Read the Output Terminal Gauges. Reading Amperage The gauges and selector switches on the control panel To determine the amperage at a terminal lug, set the DO NOT effect the generator output. They are provided to AC Ammeter Change-Over Switch to the appropriate setting (Figure 20) to activate the AC Ammeter Gauge help observe how much power is being supplied at the...
DCA-25SSIU2 (60 HZ)— OUTPUT TERMINAL PANEL CONNECTIONS UVWO Terminal Output Voltages 3Ø 208V/1Ø120V Output Terminal Lug Voltages Various output voltages can be obtained using the Output 1. Place the voltage selector switch in the 3Ø 240/139 Terminal Lugs .. The voltages at the terminals are depen- position as shown in Figure 25.
DCA-25SSIU2 (60 HZ)— OUTPUT TERMINAL PANEL CONNECTIONS 3Ø 480/277 Output Terminal Lug Voltages 1Ø 240V/120V Output Terminal Lug Voltages 1. Place the voltage selector switch in the 3Ø 480/277 1. Place the voltage selector switch in the 1Ø 240/120 position as shown in Figure 27. position as shown in Figure 29.
DCA-25SSIU2 (60 HZ)— PRE-SETUP Fuel Check Circuit Breakers To protect the generator from an overload, a 3-pole, 60 amp, DANGER - EXPLOSION/FIRE HAZARDS main circuit breaker is provided to protect the U,V, and W Output Terminals from overload. In addition two single-pole, Fuel spillage on a hot engine can cause a fire or explosion .
Page 31
DCA-25SSIU2 (60 HZ)— PRE-SETUP Refueling Procedure: Remove fuel cap and fill fuel tank as shown in Figure 34. WARNING - RESPIRATORY HAZARDS Diesel fuel and its vapors are dangerous to your health and the surrounding environment. Avoid skin contact and/or inhaling fumes.
Page 32
DCA-25SSIU2 (60 HZ)— PRE-SETUP Coolant (Isuzu Antifreeze/Summer Coolant/Water) Cleaning the Radiator Isuzu recommends Isuzu Antifreeze/Summer Coolant for The engine may overheat if the radiator fins become use in their engines, which can be purchased in concentrate overloaded with dust or debris. Periodically clean the radiator (and mixed with 50% demineralized water) or pre-diluted.
Page 33
DCA-25SSIU2 (60 HZ)— PRE-SETUP Battery When connecting battery do the following: This unit is of negative ground DO NOT connect in reverse. 1. NEVER connect the battery cables to the battery Always maintain battery fluid level between the specified terminals when the ignition is in the operate or start marks.
DCA-25SSIU2 (60 HZ)— GENERATOR START-UP PROCEDURE 5. Place the voltage selector switch in the desired voltage Before Starting position (Figure 41). CAUTION - LETHAL EXHAUST HAZARD The engine's exhaust contains harmful emissions. ALWAYS have adequate ventilation when operating . Direct exhaust away from nearby personnel. WARNING - STARTING THE GENERATOR NEVER! manually start the engine with the main , GFCI or auxiliary circuit breakers in the ON (closed) position.
Page 35
DCA-25SSIU2 (60 HZ)— GENERATOR START-UP PROCEDURE 9. The generator's frequency meter (Figure 44) displays 13. The engine oil pressure gauge (Figure 48) will indicate the 60 cycle output frequency in HERTZ. the oil pressure (kg/cm ) of the engine. Under normal operating conditions the oil pressure is between 28 ~71 psi (193 ~490 kPa).
Page 36
DCA-25SSIU2 (60 HZ)— GEN. START-UP PROCEDURE/SHUTDOWN 16. Turn the main , GFCI , and aux . circuit breakers to the “ON” position (Figure 51). Figure 53. Main, AUX. and GFCI Circuit Breakers (OFF) 2. Let the engine cool by running it for 3-5 minutes with no Figure 51.
DCA-25SSIU2 (60 HZ)— MAINTENANCE Air Removal Flushing Out Radiator and Replacing Coolant Open both cocks located at the crankcase side and at If air enters the fuel injection system of a diesel engine, starting becomes impossible. After running out of fuel, or the lower part of the radiator and drain coolant.
Page 39
DCA-25SSIU2 (60 HZ)— MAINTENANCE Jacket Water Heater and Internal Battery Charger If the generator will be used daily, the battery should normally 120 VAC Input Receptacles (OPTIONAL) not require charging. If the generator will be idle (not used) for long periods of time, apply power to the battery charger This generator can be optionally equipped with two 120 VAC, receptacle via commercial power using an power cord of 20 amp input receptacles located on the output terminal...
DCA-25SSIU2 (60 HZ)— TRAILER MAINTENANCE Trailer Maintenance 8. Tire Size - Indicates the diameter of the tire in inches (10,12,14, etc.), and the width in millimeters This section is intended to provide the user with generic (175,185,205, etc.). The tire diameter must match the trailer service and maintenance information.
Page 41
DCA-25SSIU2 (60 HZ)— TRAILER MAINTENANCE Brakes Hydraulic Surge Brakes Trailer brakes should be inspected the first 200 miles of Hydraulic surge brakes (Figure 56) should not require any operation. This will allow the brake shoes and drums to seat special attention with the exception of routine maintenance properly.
DCA-25SSIU2 (60 HZ)— TRAILER MAINTENANCE Tires/Wheels/Lug Nuts Suspension Tires and wheels are a very important and critical The leaf suspension springs and associated components components of the trailer. When specifying or replacing the (Figure 58) should be visually inspected every 6,000 miles trailer wheels it is important the wheels, tires, and axle are for signs of excessive wear, elongation of bolt holes, and properly matched.
Page 43
DCA-25SSIU2 (60 HZ)— TRAILER MAINTENANCE Lug Nut Torque Requirements It is extremely important to apply and maintain proper wheel mounting torque on the trailer. Be sure to use only the fasteners matched to the cone angle of the wheel. Proper procedure for attachment of the wheels is as follows: 1.
DCA-25SSIU2 (60 HZ)— TROUBLESHOOTING (GENERATOR) Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, use Table 20 shown below for diagnosis of the Generator. If the problem cannot be remedied, consult our company's business office or service plant.
DCA-25SSIU2 (60 HZ)— TROUBLESHOOTING (ENGINE) Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, use Table 21 (Engine Troubleshooting) as a basic guideline for troubleshooting the Engine. If the problem cannot be remedied, consult our company's business office or service plant.
Page 49
DCA-25SSIU2 (60 HZ)— TROUBLESHOOTING (ENGINE) l i f r e t o l c t r i r i A e l c i t c . t u i n i i t c f l a i t c c a l i t u l .
EXPLANATION OF CODE IN REMARKS COLUMN How to read the marks and remarks used in this parts book. Items Found In the “Remarks” Column Serial Numbers-Where indicated, this indicates a serial number range (inclusive) where a particular part is used. Model Number-Where indicated, this shows that the corresponding part is utilized only with this specific model number or model number variant.
DCA-25SSIU2 (60 HZ)— OUTPUT TERMINAL ASSY. OUTPUT TERMINAL ASSY. ADD THE FOLLOWING DIGITS AFTER THE PART NUMBER WHEN ORDERING ANY PAINTED PANEL TO INDICATE COLOR OF UNIT: 1-ORANGE 5-BLACK 2-WHITE 6-CATERPILLAR YELLOW 3-SPECTRUM GREY 7-CATO GOLD 4-SUNBELT GREEN 8-RED THE SERIAL NUMBER MAY BE REQUIRED. PAGE 64 —...
Page 69
DCA-25SSIU2 (60 HZ)— MUFFLER ASSY. MUFFLER ASSY. PART NO. PART NAME QTY. REMARKS 0602300390 MUFFLER 0016908020 HEX HEAD BOLT M1333201703 EXHAUST PIPE 8970420280 GASKET ............1 ..REPLACES P/N 0602320100 M1333200014 GASKET 0207008000 HEX NUT 0016908035 HEX HEAD BOLT M1330400204 COVER 0016906016 HEX HEAD BOLT...
Page 70
DCA-25SSIU2 (60 HZ)— FUEL TANK ASSY. FUEL TANK ASSY. PAGE 70 — DCA-25SSIU2 (60 HZ)— OPERATION AND PARTS MANUAL — REV. #0 (01/27/06)
Page 71
DCA-25SSIU2 (60 HZ)— FUEL TANK ASSY. FUEL TANK ASSY. PART NO. PART NAME QTY. REMARKS M1363000212 FUEL TANK 0605505070 CAP, FUEL TANK M1363200004 TANK BAND M9310500104 SUPPORTER SHEET 0016908020 HEX HEAD BOLT 0207308000 HEX NUT 0222100080 RUBBER SHEET M9200000003 DRAIN JOINT M9200200004 DRAIN BOLT 0150000018...
Page 72
DCA-25SSIU2 (60 HZ)— ENCLOSURE ASSY. ENCLOSURE ASSY. ADD THE FOLLOWING DIGITS AFTER THE PART NUMBER WHEN ORDERING ANY PAINTED PANEL TO INDICATE COLOR OF UNIT: 1-ORANGE 5-BLACK 2-WHITE 6-CATERPILLAR YELLOW 3-SPECTRUM GREY 7-CATO GOLD 4-SUNBELT GREEN 8-RED THE SERIAL NUMBER MAY BE REQUIRED. PAGE 72 —...
Page 73
DCA-25SSIU2 (60 HZ)— ENCLOSURE ASSY. ENCLOSURE ASSY. PART NO. PART NAME QTY. REMARKS M1413002802 BASE M1413400004 UNDER COVER 0016908020 HEX HEAD BOLT M1423001802 FRONT FRAME M1493104903 ACOUSTIC SHEET 0016908020 HEX HEAD BOLT M1423200304 COVER, FRONT FRAME M1493100604 ACOUSTIC SHEET 0016908020 HEX HEAD BOLT M1433000203 CENTER FRAME...
Page 74
DCA-25SSIU2 (60 HZ)— ENCLOSURE ASSY. (CONT.) ENCLOSURE ASSY.(CONT.) ADD THE FOLLOWING DIGITS AFTER THE PART NUMBER WHEN ORDERING ANY PAINTED PANEL TO INDICATE COLOR OF UNIT: 1-ORANGE 5-BLACK 2-WHITE 6-CATERPILLAR YELLOW 3-SPECTRUM GREY 7-CATO GOLD 4-SUNBELT GREEN 8-RED THE SERIAL NUMBER MAY BE REQUIRED. PAGE 74 —...
Page 75
DCA-25SSIU2 (60 HZ)— ENCLOSURE ASSY. (CONT.) ENCLOSURE #1 ASSY.(CONT.) PART NO. PART NAME QTY. REMARKS 0016908055 HEX HEAD BOLT 0016908020 HEX HEAD BOLT M1453003803 SIDE DOOR M1493405604 ACOUSTIC SHEET M1453003903 SIDE DOOR M1493405704 ACOUSTIC SHEET M1453004003 SIDE DOOR M1493405804 ACOUSTIC SHEET M1453004103 SIDE DOOR M1493405904...
Page 77
DCA-25SSIU2 (60 HZ)— RUBBER SEALS ASSY. ENCLOSURE ASSY. PART NO. PART NAME QTY. REMARKS 0228901170 SEAL RUBBER 0228900695 SEAL RUBBER 0228900725 SEAL RUBBER M1490300004 SEAL RUBBER 0228800325 SEAL RUBBER 0228900370 SEAL RUBBER 0228900550 SEAL RUBBER 0228900560 SEAL RUBBER 0229200595 SEAL RUBBER 0228900620 SEAL RUBBER 0229200750...
Special order items. item with respect to which damages are claimed, Return shipments will be accepted and credit and in no event shall Multiquip be liable for loss e. Electrical components. will be allowed, subject to the following provi-...
Page 81
NOTE PAGE DCA-25SSIU2 (60 HZ)— OPERATION AND PARTS MANUAL — REV. #0 (01/27/06) — PAGE 81...
Page 82
FAX: 310-638-8046 310-537-3700, EXT. 279 Manufactured for Multiquip Inc. DENYO CO., LTD, JAPAN Your Local Dealer is: MQ POWER A Division of Multiquip Inc. POST OFFICE BOX 6254 CARSON, CA 90749 310-537-3700 • 800-421-1244 FAX: 310-632-2656 E-mail: mqpower@multiquip.com Internet: www.mqpower.com...