Summary of Contents for MULTIQUIP ULTRA-SILENT DCA-125USJ
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PARTS AND OPERATION MANUAL OPERATION AND PARTS MANUAL ULTRA-SILENT SERIES MODEL DCA-125USJ 50 Hz GENERATOR PARTS LIST NO. M3870400004 Revision #0 (03/11/05) THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
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PAGE 2 — DCA-125USJ (50 HZ) — OPERATION AND PARTS MANUAL — REV. #0 (03/11/05)
TABLE OF CONTENTS MQ POWER DCA12USJ MQ POWER DCA12USJ MQ POWER DCA12USJ MQ POWER DCA12USJ MQ POWER DCA12USJ COMPONENT DRA COMPONENT DRAWINGS COMPONENT DRA WINGS WINGS WINGS COMPONENT DRA COMPONENT DRA WINGS AC GENERA AC GENERA AC GENERATOR AC GENERA AC GENERA Generator Assembly ..........
10+ line items. NOTE: DISCOUNTS ARE SUBJECT TO CHANGE Direct TOLL-FREE access MQ POWER 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-125USJ (50 HZ) — SAFETY MESSAGE ALERT SYMBOLS FOR YOUR SAFETY AND THE SAFETY OF OTHERS! HAZARD SYMBOLS Safety precautions should be followed at all times when operating Lethal Exhaust Gases this equipment. Failure to read and understand the Safety Messages and Operating Instructions could result in injury to Engine exhaust gases contain poisonous yourself and others.
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DCA-125USJ (50 HZ) — SAFETY MESSAGE ALERT SYMBOLS Accidental Starting Respiratory Hazard ALWAYS place the engine ON/OFF switch in the OFF position, when the trowel is not ALWAYS wear approved respiratory protection. in use. Over Speed Conditions Sight and Hearing hazard NEVER tamper with the factory settings of the engine governor or settings.
DCA-125USJ (50 HZ) — RULES FOR SAFE OPERATION CAUTION CAUTION CAUTION CAUTION: CAUTION ■ NEVER touch the hot exhaust Failure to follow instructions in this manual may manifold, muffler or cylinder. Allow lead to serious injury or even death! This these parts to cool before servicing equipment is to be operated by trained and engine or generator.
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DCA-125USJ (50 HZ) — RULES FOR SAFE OPERATION ■ ALWAYS make sure that electrical circuits are properly DANGER DANGER: DANGER DANGER DANGER grounded per the National Electrical Code (NEC) and local codes before operating generator. Severe injury or death! by electrocution can result from operating an ungrounded generator.
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DCA-125USJ (50 HZ)— RULES FOR SAFE OPERATION Battery ■ NEVER run engine without air filter. Severe engine damage may occur. The battery contains acids that can cause injury to the eyes and skin. To avoid eye irritation, always wear safety glasses. ■...
DCA-125USJ (50 HZ)— RULES FOR SAFE OPERATION ■ Avoid sharp turns. Towing Safety Precautions ■ Trailer should be adjusted to a level position at all times CAUTION: CAUTION: CAUTION: CAUTION: CAUTION: when towing. ■ Raise and lock trailer wheel stand in up position when Conform to Department of Transportation transporting.
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DCA-125USJ (50 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.
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DCA-125USJ (50 HZ)— TOWING SAFETY PRECAUTIONS ■ ALWAYS attach trailer’s safety chain to bumper of towing Towing Safety Precautions vehicle. CAUTION CAUTION CAUTION CAUTION: CAUTION ■ ALWAYS make sure the vehicle and trailer directional, Check with your local county or state safety backup, brake, and trailer lights are connected and towing regulations before towing your working properly.
DCA-125USJ (50 HZ)— TRAILER SPECIFICATIONS CAUTION CAUTION CAUTION: 5. Frame Width - Measurement is from fender to fender CAUTION CAUTION 6. Jack Stand - Trailer support device with maximum pound ALWAYS make sure the trailer is in good requirement from the tongue of the trailer. operating condition.
DCA-125USJ (50 HZ)— GENERATOR DECALS The DCA-125USJ (50 HZ)generator is equipped with a number of safety decals (Figure 4). 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.
DCA-125USJ (50 HZ)— GENERAL INFORMATION DCA-125USJ (50 HZ) Series Familiarization Open Delta Excitation System Generator The DCA-125USJ (50 HZ)generator is equipped with the state of the art " Open-Delta " excitation system. The open delta The MQ Power Model DCA-125USJ (50 HZ)is a 80 kW system consist of an electrically independent winding wound generator (Figure 5) that is designed as a high quality among stationary windings of the AC output section.
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DCA-125USJ (50 HZ)— MAJOR COMPONENTS t a r r o j f f u r e l y l b y l b o l c y l b r o t y l b y l b y l b e t t y l b r o t...
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NOTE PAGE PAGE 22 — DCA-125USJ (50 HZ) — OPERATION AND PARTS MANUAL — REV. #0 (03/11/05)
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DCA-125USJ (50 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 Control Box . This box contains some of the necessary the DCA-125USJ (50 HZ)Generator Control Panel (Figure electronic components required to make the generator function.
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DCA-125USJ (50 HZ)— ENGINE OPERATING PANEL The definitions below describe the controls and functions of During cranking cycle , The MPEC will attempt to crank the the DCA-125USJ (50 HZ)Engine Operating Panel (Figure engine for 10 seconds before disengaging. If the engine does 7).
DCA-125USJ (50 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 8) 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 Three (3) 100/200V output receptacles @ 50 amp...
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DCA-125USJ (50 HZ)— OUTPUT TERMINAL PANEL FAMILIARIZATION 100 VAC GFCI Receptacles Each auxilliary receptacle is protected by a 50 amp circuit breaker. These breakers are located directly above the GFCI There are two 100 VAC, 20 amp GFCI (Duplex Nema 5-20R) receptacles.
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DCA-125USJ (50 HZ)— OUTPUT TERMINAL PANEL FAMILIARIZATION Connecting Loads Blower Fan Loads can be connected to the generator by the Ouput Terminal This unit has an intake fan located at the rear of the machine Lugs or the convienience receptacles. (See Figure 13). Make to draw outside air into the cabinet to cool the engine.
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DCA-125USJ (50 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.
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DCA-125USJ (50 HZ)— GENERATOR OUTPUTS Voltage Selector Switch Generator Output Voltages The voltage selector switch (Figure 16) is located above A wide range of voltages are available to supply voltage for the output terminal panel’s Hard Wire Hook-up Panel . It many different applications.
DCA-125USJ (50 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-125USJ (50 HZ)— OUTPUT TERMINAL PANEL CONNECTIONS UVWO Terminal Output Voltages 3Ø 200V/1Ø115V 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-125USJ (50 HZ)— OUTPUT TERMINAL PANEL CONNECTIONS 3Ø 440/254 Output Terminal Lug Voltages 1Ø 200V/100V 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-125USJ (50 HZ)— PRE-SETUP Fuel Check Circuit Breakers To protect the generator from an overload, a 3-pole, 300 amp, DANGER: DANGER: DANGER: DANGER: DANGER: main circuit breaker is provided to protect the U,V, and W Fuel spillage on a hot! engine can cause a Output Terminals from overload.
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DCA-125USJ (50 HZ)— PRE-SETUP Refueling Procedure: Open cabinet doors on the “right side” of the generator (from generator control panel position). Remove fuel cap DANGER: DANGER: DANGER: DANGER: DANGER: and fill tank (Figure 34). Diesel fuel and its vapors are dangerous to your health and the surrounding environment.
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DCA-125USJ (50 HZ)— PRE-SETUP Coolant (John Deere Antifreeze/Summer Coolant/Water) John Deere recommends John Deere Antifreeze/Summer NOTE When the antifreeze is mixed with Coolant for use in thier engines, which can be purchased in water, the antifreeze mixing ratio concentrate (and mixed with 50% demineralized water) or must be less than 50%.
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DCA-125USJ (50 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 MPEC Control Switch is in either marks.
DCA-125USJ (50 HZ)— GENERATOR START-UP PROCEDURE (MANUAL) WARNING: WARNING: WARNING: WARNING: WARNING: 4. Close all engine enclosure doors (Figure 40). The engine's exhaust contains harmful emissions. ALWAYS have adequate ventilation when operating . Direct exhaust away from nearby personnel. Before Starting CAUTION: Figure 40.
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DCA-125USJ (50 HZ)— GENERATOR START-UP PROCEDURE (MANUAL) Starting (Manual) 9. The generator's frequency meter (Figure 45) should be displaying the 60 cycle output frequency in HERTZ. 8. Place the MPEC Control Switch in the MANUAL position to start the engine (Figure 42). Figure 45.
DCA-125USJ (50 HZ)— GENERATOR START-UP PROCEDURE (MANUAL) 15. Place the main , GFCI , and aux . circuit breakers in the 12. The engine oil pressure gauge ON position (Figure 52). (Figure 49) will indicate the oil pressure (kg/ cm ) of the engine.
DCA-125USJ (50 HZ)— GENERATOR START-UP PROCEDURE (AUTO MODE) DANGER: Starting (Auto Mode) Before connecting this 2. Place the MPEC Control Switch (Figure 54) in the generator to any AUTO position . building’s electrical system, a licensed electrician must install an isolation (transfer) switch . Serious damage to the building’s electrical system may occur without this transfer switch.
DCA-125USJ (50 HZ)— GENERATOR SHUT-DOWN PROCEDURE CAUTION CAUTION Emergency Shutdown Procedure CAUTION CAUTION CAUTION: 1. To shut-down the engine in the event of an emergency, NEVER stop the engine suddenly except switch the MAIN , GFCI and LOAD (Figure 39) circuit in an emergency.
DCA-125USJ (50 HZ)— MAINTENANCE s l e r i A e t t d i c l e v t l e i t i d s t r e t l i r i A l i F r e t l i F r e t r e t...
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DCA-125USJ (50 HZ)— MAINTENANCE Air Removal Flushing Out Radiator and Replacing Coolant If air enters the fuel injection system of a diesel engine, Open both cocks located at the crankcase side and at starting becomes impossible. After running out of fuel, or the lower part of the radiator and drain coolant.
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NOTE PAGE DCA-125USJ (50 HZ) — OPERATION AND PARTS MANUAL — REV. #0 (03/11/05) — PAGE 45...
DCA-125USJ (50 HZ)— TRAILER BRAKES 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-125USJ (50 HZ)— TRAILER MAINTENANCE Suspension Tires/Wheels/Lug Nuts The leaf suspension springs and associated components Tires and wheels are a very important and critical (Figure 57) should be visually inspected every 6,000 miles components of the trailer. When specifying or replacing the for signs of excessive wear, elongation of bolt holes, and trailer wheels it is important the wheels, tires, and axle are loosening of fasteners.
DCA-125USJ (50 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.
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DCA-125USJ (50 HZ)— TROUBLESHOOTING (GENERATOR) Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, use Table 16 shown below for diagnosis of the Generator. If the problem cannot be remedied, consult our company's business office or service plant.
DCA-125USJ (50 HZ)— TROUBLESHOOTING (ENGINE CONTROLLER) Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, use Table 17 (Engine Controller Troubleshooting) as a basic guideline for troubleshooting the Microprocessor Engine Controller unit (MPEC). If the problem cannot be remedied, consult our company's business office or service plant. i t u l i o l l i F...
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.
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DCA-125USJ (50 HZ)— GENERATOR ASSY. GENERATOR ASSY. PART NO. PART NAME QTY. REMARKS C0110000002 ROTOR ASSY. FIELD ASSY. 8131070013 8131611014 COUPLING DISK 8131015003 BALANCING PLATE ..........1 ..... PURCHASE SET OF 1-14 0012112035 HEX HEAD BOLT 0042612000 SPRING WASHER 8101026013 SET PLATE, RECTIFIER ........1 ..... PURCHASE SET OF 1-14 0601821349 RECTIFIER ............2 .....
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DCA-125USJ (50 HZ)— CONTROL BOX ASSY. CONTROL BOX ASSY. PAGE 58 — DCA-125USJ (50 HZ) — OPERATION AND PARTS MANUAL — REV. #0 (03/11/05)
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DCA-125USJ (50 HZ)— CONTROL BOX ASSY. CONTROL BOX ASSY. PART NO. PART NAME QTY. REMARKS M3213000702 CONTROL BOX 0330000180 EDGING 0601808823 CIRCUIT BREAKER, 300A ....... 1 ... LAF3630010393P 0021006080 MACHINE SCREW 0601823863 RELAY UNIT ............. 2 ... MSA9013A 0027104016 MACHINE SCREW 0601820671 AUTOMATIC VOLTAGE REGULATOR ....
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DCA-125USJ (50 HZ)— CONTROL BOX ASSY. CONTROL BOX ASSY. PAGE 60 — DCA-125USJ (50 HZ) — OPERATION AND PARTS MANUAL — REV. #0 (03/11/05)
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DCA-125USJ (50 HZ)— CONTROL BOX ASSY. CONTROL BOX ASSY. PART NO. PART NAME QTY. REMARKS 0601840073 RHEOSTAT (VOLTAGE REGULATOR) ....1 ... RA20A2SE102BJ 2W 1k OHM 0601840121 KNOB ECUCAN71 CONTROLLER, 50Hz 0601831340 SWITCH ............1 ... 7562K4 0027104040 MACHINE SCREW 0207004000 HEX, NUT 0602103092...
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DCA-125USJ (50 HZ)— ENGINE AND RADIATOR ASSY. ENGINE AND RADIATOR ASSY. PAGE 62 — DCA-125USJ (50 HZ) — OPERATION AND PARTS MANUAL — REV. #0 (03/11/05)
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DCA-125USJ (50 HZ)— ENGINE AND RADIATOR ASSY. ENGINE AND RADIATOR ASSY. PART NO. PART NAME QTY. REMARKS M3923200054 ENGINE & RADIATOR SET ......... 1 ..JOHN DEERE 6068TF275 0602041292 CARTRIDGE, OIL FILTER ........1 ..RE504836 0602042594 CARTRIDGE, PRIMARY, FUEL FILTER ....1 ..RE517181 0602042595 CARTRIDGE, FINAL, FUEL FILTER ....
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DCA-125USJ (50 HZ)— ENGINE AND RADIATOR ASSY. ENGINE & RADIATOR ASSY. PAGE 64 — DCA-125USJ (50 HZ) — OPERATION AND PARTS MANUAL — REV. #0 (03/11/05)
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DCA-125USJ (50 HZ)— ENGINE AND RADIATOR ASSY. ENGINE & RADIATOR ASSY. PART NO. PART NAME QTY. REMARKS 0605515197 HOSE BAND 0602022563 ADAPTER 0602022561 90 DEGREE ELBOW 0603306590 CONNECTOR 0603300285 ROCKNUT 0605511395 VALVE 0603306395 HOSE JOINT 0602021070 0269200450 DRAIN HOSE M9300000203 RESERVE TANK 0602010900 CAP, RESERVE TANK...
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DCA-125USJ (50 HZ)— MUFFLER ASSY. MUFFLER ASSY. PART NO. PART NAME QTY. REMARKS M3330100402 MUFFLER 0017112030 HEX, HEAD BOLT M3333000903 EXHAUST PIPE M3333200304 GASKET 0017110040 HEX, HEAD BOLT M3333200204 GASKET 0017108040 HEX, HEAD BOLT 0017110035 HEX, HEAD BOLT ..........4 ... S/N 8500015~ M3333000803 EXHAUST PIPE 0016908055...
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DCA-125USJ (50 HZ)— FUEL TANK ASSY. FUEL TANK ASSY. PAGE 72 — DCA-125USJ (50 HZ) — OPERATION AND PARTS MANUAL — REV. #0 (03/11/05)
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DCA-125USJ (50 HZ)— FUEL TANK ASSY. FUEL TANK ASSY. PART NO. PART NAME QTY. REMARKS M3363001402 FUEL TANK 0605505070 FUEL TANK CAP 0605501074 FUEL SENDER UNIT 0605516090 GASKET M3363001504 FUEL TANK 0605505070 FUEL TANK CAP 0191700260 CONNECT HOSE 0605515149 HOSE BAND M3363200404 TANK BAND M9310500104...
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DCA-125USJ (50 HZ)— ENCLOSURE #1 ASSY. ENCLOSURE #1 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 74 —...
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DCA-125USJ (50 HZ)— ENCLOSURE #1 ASSY. ENCLOSURE #1 ASSY. PART NO. PART NAME QTY. REMARKS M3413001812 BASE M3363300303 ENVIRONMENTAL TANK 0016910030 HEX, HEAD BOLT 0603306797 PLUG M3423001202 FRONT FRAME ..........1 ... S/N 8500001 TO 8500040 M3423001602 FRONT FRAME ..........1 ... S/N 8500041~ M3493107813 ACOUSTIC SHEET ...........
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DCA-125USJ (50 HZ)— ENCLOSURE #1 ASSY. ENCLOSURE #1 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 76 —...
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DCA-125USJ (50 HZ)— ENCLOSURE #1 ASSY. ENCLOSURE #1 ASSY. PART NO. PART NAME QTY. REMARKS M3493200614 ACOUSTIC SHEET ........... 1 ... S/N 8500001 TO 8500040 M3493201204 ACOUSTIC SHEET ........... 1 ... S/N 8500041~ 0010114040 HEX, HEAD BOLT 0030014000 HEX, NUT 0040014000 SPRING WASHER 0041214000...
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DCA-125USJ (50 HZ)— ENCLOSURE #2 ASSY. ENCLOSURE #2 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 78 —...
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DCA-125USJ (50 HZ)— ENCLOSURE #2 ASSY. ENCLOSURE #2 ASSY. PART NO. PART NAME QTY. REMARKS M3443000802 REAR FRAME ........... 1 ... S/N 8500001 TO 8500035 M3443000812 REAR FRAME ........... 1 ... S/N 8500036~ M3493303203 ACOUSTIC SHEET M3443000904 DUCT ..............2 ... S/N 8500001 TO 8500035 M3443000914 DUCT ..............
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DCA-125USJ (50 HZ)— RUBBER SEALS ASSY. RUBBER SEALS ASSY. PART NO. PART NAME QTY. REMARKS 0229200870 RUBBER SEAL 0229201130 RUBBER SEAL 0229201240 RUBBER SEAL 0228900660 RUBBER SEAL 0229201070 RUBBER SEAL 0229200125 RUBBER SEAL 0228901165 RUBBER SEAL 0228900925 RUBBER SEAL 0228901105 RUBBER SEAL 0228900565 RUBBER SEAL...
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-...
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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...