Multiquip DCA125USJ operation manual DCA-125USJ Operation and Parts Manual REV. #2 01/27/11

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Contents Model DCA125USJ 2 DCA-125USJ Operation and Parts Manual REV. #2 01/27/11 DCA-125USJ Operation and Parts Manual REV. #2 01/27/11 Table of Contents Parts Ordering Procedures Ordering parts has never been easierDCA-125USJ Specifications Generator SpecificationsDCA-125USJ Dimensions TOP, Side and Front DimensionsDCA-125USJ Safety Information Safety MessagesDCA-125USJ Safety Information „ Always know the location of the nearestfire extinguisher first aid kitBefore servicing equipment If operating in speed ranges above the maximum allowableFrom fuel vapors or if fuel is spilled on a hot engine „ Never use fuel as a cleaning agent3ECURE Portable Power Cables in Cable Tray with TIE wraps Device. All installations should be „ Never use gas piping as an electrical groundDCA-125USJ Safety Information DCA-125USJ Generator Decals DCA-125USJ Generator Decals DCA-125USJ Installation Typical Generator Grounding ApplicationDCA-125USJ Installation Outdoor InstallationIndoor Installation MountingDCA-125USJ Series Familiarization Generator Engine Operating PanelGenerator Control Panel Control BoxDCA-125USJ Major Components Generator Major Components20 DCA-125USJ Operation and Parts Manual REV. #2 01/27/11 DCA-125USJ Generator Control Panel DCA-125USJ Engine Operating Panel DCA-125USJ Engine Operating Panel DCA-125USJ Output Terminal Panel Familiarization Output Terminal Familiarization120VAC Gfci Receptacles Twist Lock Dual Voltage 120/240 VAC ReceptaclesConnecting Loads Blower FanSingle Phase Load Three Phase LoadDCA-125USJ Load Application Motors and motor-drivenVoltage Selector Switch Generator OutputVoltagesGenerator Amperage Gfci Receptacle Load CapabilityReading Amperage How to Read the OutputTerminal GaugesDCA-125USJ Gauge Reading DCA-125USJ Output Terminal Panel Connections Uvwo Terminal Output Voltages3Ø 240/139 Output Terminal Lug Voltages 3Ø 208V/1Ø120V Output Terminal Lug Voltages3Ø 480/277 Output Terminal Lug Voltages 1Ø 240V/120V Output Terminal Lug VoltagesDCA-125USJ PRE-SETUP Circuit BreakersLubrication Oil Fuel CheckRefueling Procedure RefuelingCleaning the Radiator Air Cleaner Fan Belt TensionOperation FreezingWeather Must be less than 50%Battery Battery Cable InstallationWiring AlternatorBefore Starting Engines exhaust contains harmful emissionsDirect exhaust away from nearby personnel Starting ManualFrequency Meter Hz Is placed in the Auto position Starting Auto ModePlace the Mpec Control Switch in the Auto position Normal Shutdown Procedure Emergency Shutdown ProcedureDCA-125USJ Maintenance Air Removal Check Oil LevelReplacing Oil Filter Replacing Fuel FilterBattery charger To ensure adequate startingDCA-125USJ -TRAILER Brakes Maintenance Brake AdjustmentBrakes Hydraulic Surge BrakesTire Wear/Inflation Tires/Wheels/Lug NutsSuspension Start all wheel lug nuts by hand DCA-125USJ -TRAILER MaintenanceLug Nut Torque Requirements DCA-125USJ -TRAILERWIRING Diagram DCA-125USJ Generatorwiring Diagram Generator Wiring DiagramDCA-125USJ Enginewiring Diagram DCA-125USJ -TROUBLESHOOTING Generator DCA-125USJ -TROUBLESHOOTING Engine Controller Engine Controller Troubleshooting MpecDCA-125USJ Operation and Parts Manual REV. #2 01/27/11 DCA-125USJ Explanation of Code in Remarks Column QTY. ColumnDCA-125USJ Suggested Spare Parts Qty DescriptionDCA-125USJ Generator Assy DCA-125USJ Generator Assy DCA-125USJ Control BOX Assy M3213000702 03300001800601808823 LAF3630010393P58 DCA-125USJ Operation and Parts Manual REV. #2 01/27/11 DCA-125USJ Control BOX Assy DCA-125USJ Engine and Radiator Assy M3923200054 0602041292RE504836 0602042594Engine & Radiator Assy 0605515197 06020225630602022561 0603306590DCA-125USJ Outputterminal Assy DCA-125USJ Outputterminal Assy DCA-125USJ Battery Assy 0602220196 4D-2M9310500404 M9103000504DCA-125USJ Muffler Assy M3330100402 0017112030M3333000903 M3333200304DCA-125USJ Fueltank Assy M3363001402 06055050700605501074 0605516090DCA-125USJ Enclosure #1 Assy Enclosure #1 AssyM3413001812 M33633003030016910030 060330679774 DCA-125USJ Operation and Parts Manual REV. #2 01/27/11 24A M3493200614 24A M34932012040010114040 25A 0030014000DCA-125USJ Enclosure #2 Assy Enclosure #2 AssyM3443000802 M3443000812M3493303203 M3443000904DCA-125USJ Rubber Seals Assy 0229200870 02292011300229201240 0228900660DCA-125USJ Nameplate and Decals Assy M1550000204 M15000020M1550000703 M15000070Terms and Conditions of Sale Parts Freight PolicyDCA-125USJ Operation and Parts Manual REV. #2 01/27/11 HERE’S HOW to GET Help

DCA125USJ specifications

The Multiquip DCA125USJ is a robust, high-performance generator designed to meet the diverse needs of various industries, including construction, events, and emergency backup. This generator boasts a compact size and impressive output, making it a reliable choice for both temporary and permanent power solutions.

At the heart of the DCA125USJ is a powerful diesel engine, providing an impressive 125 kVA output. This engine is engineered for efficiency, ensuring that the generator can continuously deliver reliable power while maintaining low operational costs. The generator operates at low RPM, which not only extends the engine's lifespan but also reduces noise levels, making it ideal for urban environments and sensitive locations.

One of the standout features of the DCA125USJ is its advanced electronic control system. This technology allows for seamless monitoring and management of the generator's performance, ensuring optimal operation. The control panel is user-friendly, offering real-time data on voltage, frequency, and operating hours, which simplifies maintenance and troubleshooting.

The DCA125USJ is equipped with a sturdy, weather-resistant enclosure that protects it from the elements, making it suitable for outdoor applications. This enclosure also contributes to noise reduction, ensuring quieter operation compared to traditional generators. Additionally, its compact design allows for easy transport and installation, making it a versatile option for various job sites.

Safety is a top priority in the design of the DCA125USJ. It features multiple safety mechanisms, such as an automatic shut-off system that activates in the event of low oil pressure or overheating, protecting the generator and prolonging its operational life.

Moreover, the DCA125USJ is compliant with rigorous emissions standards, making it an environmentally responsible choice. It offers options for multiple voltage outputs, which adds to its adaptability for different applications, from powering heavy machinery to providing electricity for small tools.

In summary, the Multiquip DCA125USJ stands out for its powerful diesel engine, state-of-the-art electronic controls, robust construction, and focus on safety and efficiency. Whether used in construction, outdoor events, or as a backup power source, the DCA125USJ is engineered to deliver reliable performance in a user-friendly package. This makes it a top contender for anyone needing dependable generator capabilities.
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