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OPERATION AND PARTS MANUAL
®
MODEL DCA125USI
60 HZ GENERATOR
(ISUZU 4HK1X DIESEL ENGINE)
Revision #1 (03/25/11)
To fi nd the latest revision of this
publication, visit our website at:
www.multiquip.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
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PROPOSITION 65 WARNING Diesel engine exhaust and some of PAGE 2 — DCA125USI 60 HZ GENERATOR • OPERATION AND PARTS MANUAL — REV. #1 (03/25/11)
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REPORTING SAFETY DEFECTS If you believe that your vehicle has a defect that could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffi c Safety Administration (NHTSA) in addition to notifying Multiquip at 1-800-421-1244. If NHTSA receives similar complaints, it may open an investigation, and if it fi nds that a safety defect exists in a group of vehicles, it may order a recall and remedy campaign. However, NHTSA cannot become involved in ind
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TABLE OF CONTENTS DCA125USI 60 Hz Generator Component Drawings Proposition 65 Warning ........................................... 2 Generator Assembly ......................................... 54-55 Reporting Safety Defects ......................................... 3 Control Box Assembly ...................................... 56-59 Table Of Contents .................................................... 4 Engine and Radiator Assembly ........................ 60-65 Parts Ordering Procedures .......
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PARTS ORDERING PROCEDURES Ordering parts has never been easier! Choose from three easy options: Effective: st January 1 , 2006 Best Deal! Order via Internet (Dealers Only): If you have an MQ Account, to obtain a Username Order parts on-line using Multiquip’s SmartEquip website! and Password, E-mail us at: parts@multiquip. com. ■ View Parts Diagrams To obtain an MQ Account, contact your ■ Order Parts District Sales Manager for more information. ■ Print Specification Information Use the inte
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SAFETY INFORMATION Do not operate or service the equipment before reading the Potential hazards associated with the operation of this entire manual. Safety precautions should be followed at all equipment will be referenced with hazard symbols which times when operating this equipment. Failure to read and may appear throughout this manual in conjunction with understand the safety messages and operating instructions safety messages. could result in injury to yourself and others. SAFETY MESSAGES Th
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SAFETY INFORMATION NEVER use accessories or attachments that are not GENERAL SAFETY recommended by MQ Power for this equipment. Damage CAUTION to the equipment and/or injury to user may result. NEVER operate this equipment without proper protective ALWAYS know the location of the nearest clothing, shatterproof glasses, respiratory protection, fi re extinguisher. hearing protection, steel-toed boots and other protective ALWAYS know the location of the nearest devices required by the
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SAFETY INFORMATION ENGINE SAFETY NOTICE DANGER NEVER run engine without an air fi lter or with a dirty air fi lter. Severe engine damage may occur. Service air fi lter The engine fuel exhaust gases contain poisonous carbon frequently to prevent engine malfunction. monoxide. This gas is colorless and odorless, and can cause death if inhaled. NEVER tamper with the factory settings of the engine or engine governor. Damage The engine of this equipment to the engine or equipment can resu
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SAFETY INFORMATION Make sure the hitch and coupling of the towing vehicle FUEL SAFETY are rated equal to, or greater than the trailer “gross DANGER vehicle weight rating.” DO NOT start the engine near spilled fuel or combustible ALWAYS inspect the hitch and coupling for wear. NEVER fl uids. Diesel fuel is extremely fl ammable and its vapors tow a trailer with defective hitches, couplings, chains, etc. can cause an explosion if ignited. Check the tire air pressure on both towing vehi
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SAFETY INFORMATION Make sure power cables are securely connected to the ELECTRICAL SAFETY generator’s output receptacles. Incorrect connections DANGER may cause electrical shock and damage to the generator. DO NOT touch output terminals during operation. Contact with output terminals NOTICE during operation can cause electrocution, ALWAYS make certain that proper power or extension electrical shock or burn. cord has been selected for the job. See Cable Selection The electrical vo
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SAFETY INFORMATION BATTERY SAFETY ENVIRONMENTAL SAFETY DANGER NOTICE DO NOT drop the battery. There is a possibility that the Dispose of hazardous waste properly. battery will explode. Examples of potentially hazardous waste are used motor oil, fuel and fuel fi lters. DO NOT expose the battery to open fl ames, sparks, cigarettes, etc. The battery contains DO NOT use food or plastic containers to combustible gases and liquids. If these dispose of hazardous waste. gases and liquids com
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SPECIFICATIONS Table 1. Generator Specifi cations Model DCA125USI Revolving fi eld, self ventilated, Type open protected type synchronous generator Armature Connection Star with Neutral Zigzag Phase 31 Standby Output 110 kW (137.5 kVA) 79 kW Prime Output 100 kW (100 kVA) 72 kW 3Ø Voltage (L-L/L-N) 208Y/120, 220Y/127, N/A Voltage Selector Switch at 3Ø 240/139 240Y/139 3Ø Voltage (L-L/L-N) 416Y/240, 440Y/254, N/A Voltage Selector Switch at 3Ø 480/277 480Y/277 1Ø Voltage (L-L/L-N) N/A 240/120 Volta
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DIMENSIONS Figure 1. Dimensions Table 3. Dimensions Reference Dimension in. (mm) Reference Letter Dimension in. (mm) Letter A 38.20 in. (970 mm.) F 120.10 in. (3,050 mm.) B 37.00 in. (940 mm.) G 73.00 in. (1,855 mm.) C 36.20 in. (920 mm.) H 48.80 in. (1,200 mm.) D 37.00 in. (940 mm.) E 3620 in. (920 mm.) DCA125USI 60 HZ GEN. • OPERATION AND PARTS MANUAL — REV. #1 (03/25/11) — PAGE 13
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INSTALLATION Figure 2. Typical Generator Grounding Application PAGE 14 — DCA125USI 60 HZ GENERATOR • OPERATION AND PARTS MANUAL — REV. #1 (03/25/11)
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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 ground. or shift around. Also install the generator in a manner so Article 250 (Grounding) of the National Electrical Code that the exhaust will not be discharge
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GENERAL INFORMATION GENERATOR OPEN DELTA EXCITATION SYSTEM This MQ Power Model generator (Figure 3) is a high quality This generator is equipped with the state of the art “Open- portable (requires a trailer for transport) power source for Delta” excitation system. The open delta system consist telecom sites, lighting facilities, power tools, submersible of an electrically independent winding wound among pumps and other industrial and construction machinery. stationary windings of the AC output
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MAJOR COMPONENTS Table 4. Generator Major Components ITEM NO. DESCRIPTION 1 Muffl er Assembly 2 Engine Assembly 3 Enclosure Assembly 4 Generator Assembly 5 Output Terminal Assembly 6 Fuel Tank Assembly 7 Battery Assembly 8 Engine Operating Panel Assembly 9 Generator Control Panel Assembly Figure 3. Major Components DCA125USI 60 HZ GEN. • OPERATION AND PARTS MANUAL — REV. #1 (03/25/11) — PAGE 17
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GENERATOR CONTROL PANEL Figure 4. Generator Control Panel The defi nitions below describe the controls and functions Located behind the generator control panel is the Generator of the Generator Control Panel (Figure 4). Control Box. This box contains some of the necessary electronic components required to make the generator 1. Main Circuit Breaker—This three-pole, 350A main function. breaker is provided to protect the the U,V, and W Output Terminal Lugs from overload. The Control Box is equ
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NOTES DCA125USI 60 HZ GEN. • OPERATION AND PARTS MANUAL — REV. #1 (03/25/11) — PAGE 19
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ENGINE OPERATING PANEL Figure 5. Engine Operating Panel PAGE 20 — DCA125USI 60 HZ GENERATOR • OPERATION AND PARTS MANUAL — REV. #1 (03/25/11)
