Multiquip manual DCA-125SSJU Series Rules for Safe Operation, General Safety

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DCA-125SSJU SERIES — RULES FOR SAFE OPERATION

CAUTION:

Failure to follow instructions in this manual may lead to serious injury or even death! This equipment is to be operated by trained and qualified personnel only! This equipment is for industrial use only.

The following safety guidelines should always be used when operating the DCA-125SSJU Series Generator:

GENERAL SAFETY

DO NOT operate or service this equipment before reading this entire manual.

This equipment should not be operated by persons under 18 years of age.

NEVER operate this equipment without proper protective clothing, shatterproof glasses, steel- toed boots and other protective devices required by the job.

NEVER operate this equipment when not feeling well due to fatigue, illness or taking medicine.

NEVER operate this equipment under the influence or drugs or alcohol.

NEVER use accessories or attachments, which are not recommended by MQ Power for this equipment. Damage to the equipment and/or injury to user may result.

Manufacture does not assume responsibility for any accident due to equipment modifications.

Whenever necessary, replace nameplate, operation and safety decals when they become difficult read.

ALWAYS check the machine for loosened threads or bolts before starting.

NEVER operate the generator in an explosive atmosphere or near combustible materials. An explosion or fire could result causing severe bodily harm or even death.

NEVER touch the hot exhaust manifold, muffler or cylinder. Allow these parts to cool before servicing engine or generator.

High Temperatures – Allow the engine to cool before performing service and maintenance functions. Contact with hot! components

can cause serious burns.

The engine of this generator requires an adequate free flow of cooling air. NEVER operate the generator in any enclosed or narrow area where free

flow of the air is restricted. If the air flow is restricted it will cause serious damage to the generator or engine and may cause injury to people. The generator engine gives off DEADLY carbon monoxide gas.

ALWAYS make sure generator is properly grounded.

NEVER use gas piping as an electrical ground.

DO NOT place hands or fingers inside generator engine compartment when engine is running.

ALWAYS make sure generator installation is accordance with national and local electrical codes.

ALWAYS have a qualified electrician perform the generator wiring installation.

NEVER power cables or cords lay in water.

NEVER stand in water while AC power from the generator is being transfer to a load.

NEVER use a defective or frayed power cable. Check the cable for cuts in the insulation.

NEVER use a extension cord that is frayed or damaged where the insulation has been cut.

ALWAYS make certain that proper extension cord has been selected for the job See Table 5.

The electrical voltage required to operate the generator can cause severe injury or even death through physical contact with live circuits. Turn all circuit breakers OFF before performing maintenance on the generator.

PAGE 10 — DCA-125SSJU SERIES (STANDARD) — PARTS AND OPERATION MANUAL — REV. #4 (06/03/03)

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Contents MQ Power DCA-125SSJU DCA-125SSJU2 Portable Generator Page Heres HOW to GET Help Table of Contents Parts Ordering Procedures When ordering parts Please supply the following informationDCA-125SSJU Series Specifications DCA-125SSJU Series Dimensions DimensionsDCA-125SSJU Series Safety Message Alert Symbols Foryour Safety and the Safety of OthersDCA-125SSJU Series Safety Message Alert Symbols Over Speed Conditions Sight and Hearing hazardGeneral Safety DCA-125SSJU Series Rules for Safe OperationDCA-125SSJU Series Rules for Safe Operation RadiatorBattery TransportingTowing Safety Precautions EmergenciesDCA-125SSJU Series Installation Indoor Installation DCA-125SSJU Series InstallationOutdoor Installation MountingDCA-125SSJU Series Towing Saftey Precautions Generator with TrailerExplanation of Chart DCA-125SSJU Series -TRAILER SpecificationsCoupler Type of hitch used on the trailer for towing DCA-125SSJU Series -TRAILER Specifications Trailer SpecificationsSpecifications DCA-125SSJU Series Generator Decals DCA-125SSJU Series Generator Decals DCA-125SSJU Series General Information DCA-125SSJU Series Major Components Generator Major ComponentsTerminals to the load DCA-125SSJU Series Generator Control PanelRelay monitors the current Amp breakerDCA-125SSJU Series Engine Operating Panel Fuel Gauge Indicates amount of diesel fuel availableDCA-125SSJU Series Engine Operating Panel Engine Operating Panel From S/NDCA-125SSJU Series Engine Operating Panel Output Terminal Familiarization DCA-125SSJU Series Output Terminal Panel FamiliarizationOutput Terminal Panel 120VAC Gfci Receptacles Removing the Plastic Face Plate Uvwo TerminalsOver Current Relay Connecting LoadsMaximum Output Three Phase Load Single Phase LoadDCA-125SSJU Series Load Application DCA-125SSJU Series Generator Outputs Voltage Selector SwitchVoltage Selector Switch Locking Button Generator OutputVoltagesDCA-125SSJU Series Generator OUTPUTS/GAUGE Reading How to Read the OutputTerminal GaugeGfci Receptacle Load Capability 3Ø 240/139 Uvwo Terminal Output Voltages DCA-125SSJU Series Outputterminal Panel ConnectionsUvwo Terminal Output Voltages 3Ø 208V/1Ø120V Uvwo Terminal Output Voltages3Ø 480/277 Uvwo Terminal Output Voltages 1Ø 240V/120V Uvwo Terminal Output VoltagesLubrication Oil DCA-125SSJU Series PRE-SETUPCircuit Breakers Refilling the Fuel SystemRefueling Procedure DCA-125SSJU Series PRE-SETUPRefueling Full Trailer Tank Mm when depressed with the thumb as shown below Cleaning the RadiatorAir Cleaner Fan Belt Tension Must be less than 50%Wiring Battery Cable InstallationWhen connecting battery do the following AlternatorBefore Starting Away from nearby personnelClose all engine enclosure doors Figure DCA-125SSJU Series Generator START-UP Procedure Manual Engine Operating Panel up to S/NCoolant Temperature Gauge Engine Operating Panel S/N 7500508~ Set engine speed switch to LOW FigureOn closed position DCA-125SSJU Series Generator START-UP Procedure Auto Mode Place the Off/Manual/Auto switch in the Auto positionShutdown Procedure Engine Controller S/N 7500508~ DCA-125SSJU Series Generator SHUT-DOWN ProcedureShutdown Procedure Ignition Switch Up to S/N Emergency Shutdown Procedure Ignition Switch Up to S/NDCA-125SSJU Series Maintenance Air Removal Cleaning the Fuel StrainerFeed Pump Strainer Cleaning Check Oil LevelDCA-125SSJU Series Maintenance Battery Charger Jacket Water Heater Power ConnectionsBrakes DCA-125SSJU Series -TRAILER Brakes MaintenanceBrake Adjustment Hydraulic Surge BrakesTire Wear/Inflation DCA-125SSJU Series -TRAILER MaintenanceTires/Wheels/Lug Nuts SuspensionLug Nut Torque Requirements DCA-125SSJU Series -TRAILER MaintenanceStart all wheel lug nuts by hand DCA-125SSJU Series -TRAILERWIRING Diagram Trailer/Towing Vehicle Wiring DiagramDCA-125SSJU Series Generatorwiring Diagram Generator Wiring DiagramDCA-125SSJU Series Enginewiring Diagram Ignition Switch Engine Wiring DiagramIgnition SwitchDCA-125SSJUSERIES-ENGINEWIRINGDIAGRAMENGINECONTROLLER Engine Wiring Diagram Engine ControllerPage Engine does not start DCA-125SSJU Series -TROUBLESHOOTING EngineStarter does not run DCA-125SSJU Series -TROUBLESHOOTING Engine DCA-125SSJU Series Troubleshooting Generator Generator TroubleshootingDCA-125SSJU Series Troubleshooting Mpec Engine Controller TroubleshootingExplanation of Code in Remarks Column Items Found In the Items Number ColumnDCA-125SSJU Series Suggested Spare Parts Qty Description RemarksDCA-125SSJU Series Nameplate and Decals Nameplate and DecalsStripe STRIPE, MQ PowerSTRIPE, Whisperwatt Machine ScrewDCA-125SSJU Series Generator Assy Generator AssyFAN Balancing Weight KITRotor Assy Field Assy Coupling DiskDCA-125SSJU Series Generator ASSY. Generator ASSY.Rubber Suspension Coupling RingHEX. NUT DCA-125SSJU Series Control BOX Assy Control BOX AssyNTA5A2DB Switch BracketSwitch Board SpacerDCA-125SSJU Series Control BOX ASSY. Control BOX ASSY.SL2VS Wire HARNESS, GeneratorSL2AS KnobDCA-125SSJU Series Engine and Radiator Assy Engine and Radiator AssyHEX. Head Bolt Engine and Radiator ASSY. DCA-125SSJU Series Engine and Radiator ASSY. Engine Operating Panel Assy DCA-125SSJU Series Engine Operating Panel AssyN7500001 to S/N 7500508~ ECU9988NJD DCA-125SSJU Series Outputterminal Assy Output Terminal AssyTIE Bolt Terminal PanelOutput Terminal Bolt Plain WasherDCA-125SSJU Series Battery Assy Battery AssyBattery Bolt SET Battery SheetBattery Band Battery CableDCA-125SSJU Series Muffler Assy Muffler AssyGasket Exhaust PipeClamp CoverDCA-125SSJU Series Fueltank Assy Fuel Tank AssyTank Band Fuel TankCAP, Fuel Tank Rubber SheetDCA-125SSJU Series Enclosure Assy Enclosure AssyAcoustic Sheet Under CoverCOVER, Front Frame Center FrameDCA-125SSJU Series Enclosure ASSY. Enclosure ASSY.Chain Assy Roof PanelOver COVER, Front Frame Side DoorDCA-125SSJU Series Rubber Seal Assy Rubber Seal AssyRubber Seal Effective October 1, 2002 Terms and Conditions of Sale Parts Page Heres HOW to GET Help

DCA-125SSJU specifications

The Multiquip DCA-125SSJU is a robust and reliable diesel generator that stands out in the construction and rental markets. Designed to provide consistent power, this generator is ideal for various applications ranging from industrial construction sites to outdoor events. The DCA-125SSJU boasts a powerful 125 kVA output, making it suitable for both small and large power needs.

One of the prominent features of the DCA-125SSJU is its advanced engine technology. It is powered by a reliable and fuel-efficient Yanmar diesel engine. This engine not only ensures longevity but also optimizes fuel consumption, allowing operators to save on running costs without compromising performance. With a robust design, the Yanmar engine guarantees excellent cold start capability, making it dependable even under challenging weather conditions.

The generator's sound attenuation is also noteworthy. Encased in a sound-attenuated enclosure, the DCA-125SSJU operates at a noise level that makes it suitable for use in residential areas or environments with strict noise regulations. This feature enhances the generator's versatility, as it can be employed in various settings without disturbing nearby activities.

Multiquip has incorporated several safety features into the DCA-125SSJU, including automatic shutdown systems that activate in the event of low oil pressure or overheating. This proactive approach helps safeguard the engine and prolongs its lifespan. Additionally, the generator is equipped with a heavy-duty, weatherproof frame, ensuring durability and protection against the elements.

User-friendly control features make the DCA-125SSJU easy to operate. The generator includes an intuitive digital control panel that provides essential information such as voltage output, frequency, and run time. This accessibility allows operators to monitor performance and adjust settings as necessary.

Portability is another significant advantage of the DCA-125SSJU. With easily transportable dimensions, it can be efficiently moved to various job sites. Its sturdy wheels and lifting points further enhance mobility, making it a practical solution for temporary power needs.

In summary, the Multiquip DCA-125SSJU is a high-performance diesel generator, combining power, efficiency, and portability with advanced technology and user-friendly features. Its reliability and versatility make it an excellent choice for contractors, event organizers, and anyone in need of dependable power supply. Whether facing the demands of a construction site or hosting an outdoor function, the DCA-125SSJU ensures you’ll never be left in the dark.