Multiquip DCA125USI manual Fuel Addition, Fuel Tank Inspection, AIR Removal

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MAINTENANCE

If the engine is operating in very dusty or dry grass conditions, a clogged air cleaner will result.This can lead to a loss of power, excessive carbon buildup in the combustion chamber and high fuel consumption. Change air cleaner more frequently if these conditions exists.

FUEL ADDITION

Add diesel fuel (the grade may vary according to season and locations).

Removing Water from the Fuel Tank

After prolonged use, water and other impurities accumulate in the bottom of the tank. Occasionally inspect the fuel tank for water contamination and drain the contents if required.

During cold weather, the more empty volume inside the tank, the easier it is for water to condense. This can be reduced by keeping the tank full with diesel fuel.

Cleaning Inside the Fuel Tank

If necessary, drain the fuel inside the fuel tank completely. Using a spray washer (Figure 58) wash out any deposits or debris that have accumulated inside the fuel tank.

Figure 58. Fuel Tank Cleaning

FUEL TANK INSPECTION

In addition to cleaning the fuel tank, the following components should be inspected for wear:

Rubber Suspension — look for signs of wear or deformity due to contact with oil. Replace the rubber suspension if necessary.

Fuel Hoses — inspect nylon and rubber hoses for signs of wear, deterioration and hardening.

Fuel Tank Lining — inspect the fuel tank lining for signs of excessive amounts of oil or other foreign matter.

Replacing Fuel Filter

Replace the fuel fi lter cartridge with new one every 500 hours or so.

Loosen the drain plug at the lower top of the fuel fi lter. Drain the fuel in the fuel body together with the mixed water. DO NOT spill the fuel during disassembly.

Vent any air

AIR REMOVAL

If air enters the fuel injection system of a diesel engine, starting becomes impossible. After running out of fuel, or after disassembling the fuel system, bleed the system according to the following procedure. See the ISUZU Engine Manual for details.

To restart after running out of fuel, turn the switch to the “ON” position for 15-30 seconds. Try again, if needed.

PAGE 38 — DCA125USI 60 HZ GENERATOR • OPERATION AND PARTS MANUAL — REV. #1 (03/25/11)

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Contents Model DCA125USI This Manual Must Accompany the Equipment AT ALL TimesProposition 65 Warning Nhtsa Reporting Safety DefectsAdministrator Table of Contents DCA125USI 60 Hz GeneratorParts Ordering Procedures Ordering parts has never been easierSafety Information Safety Messages Always know the location of the nearest General SafetyGenerator Safety Engine Safety Before servicing equipment Never use fuel as a cleaning agent Fuel SafetyTowing Safety From fuel vapors or if fuel is spilled on a hot engine Never use gas piping as an electrical ground Electrical SafetyDevice. All installations should be Battery Safety Environmental SafetySpecifications DCA125USIDimensions DimensionsInstallation Typical Generator Grounding ApplicationMounting Outdoor InstallationIndoor Installation Generator GroundingGeneral Information Major Components Generator Control Panel Owing from the U,V, and W Output Terminal Lugs to the loadPage Engine Operating Panel Engine Operating PanelFuel Gauge Indicates amount of diesel fuel available ModuleTerminal legs O and Ground are considered bonded grounds Output Terminal Panel FamiliarizationOutput Terminal Familiarization Twist Lock Dual Voltage 120/240 VAC Receptacles Removing the Plastic Face Plate Hard Wire Hookup PanelVAC Gfci Receptacles Connecting Loads Over Current RelayLoad Application Single Phase LoadThree Phase Load Generator Outputs Generator Output VoltagesAC Voltmeter Gauge Reading HOW to Read the AC Ammeter and AC Voltage GaugesGenerator OUTPUTS/GAUGE Reading 3Ø-240/139 Uvwo Terminal Output Voltages Output Terminal Panel ConnectionsUvwo Terminal Output Voltages 3Ø-208V/1Ø-120V Uvwo Terminal Output Voltages3Ø-480/277V Uvwo Terminal Output Voltages 1Ø-240/120V Uvwo Terminal Output VoltagesLubrication OIL INSPECTION/SETUPCircuit Breakers Fuel CheckRefueling Procedure Only use #2 diesel fuel when refuelingCoolant ANTIFREEZE/SUMMER COOLANT/ Water Cleaning the RadiatorAIR Cleaner FAN Belt Tension Operation in Freezing WeatherWiring BatteryBattery Cable Installation AlternatorStarting Generator START-UP ProcedureBefore Starting Starting ManualPre-Heat Lamp Emergency Shutdown Procedure Generator SHUT-DOWN ProceduresNormal Shutdown Procedure To shutdown the generator, use the following procedureAir Cleaner with Dust Indicator MaintenanceGeneral Inspection AIR Cleaner AIR Removal Fuel AdditionFuel Tank Inspection Replacing Oil Filter Radiator CleaningCheck OIL Level Flushing OUT Radiator and Replacing CoolantBattery Charger & Jacket Water Heater Power Connections Coupler Type of hitch used on the trailer for towing Trailer MaintenanceTrailer Maintenance Hydraulic Surge Brakes Brake AdjustmentBrakes Through 8 and as listed belowSuspension TIRES/WHEELS/LUG NutsTire Wear/Infl ation Never use an pneumatic air gun to tighten wheel lug nuts Lug Nut Torque RequirementsStart all wheel lug nuts by hand Trailer Wiring Diagram Trailer/Towing Vehicle Wiring DiagramGenerator Wiring Diagram Generator Wiring DiagramEngine Wiring Diagram Engine Wiring DiagramController Wiring Diagram Controller Wiring DiagramTroubleshooting Generator Troubleshooting Diagnostic Lamp Method of OperationPage Xxxxx only Not Used on Sample Parts ListExplanation of Code in Remarks Column Suggested Spare Parts To 3 unitsGenerator Assy Field Assy Part Name QTY. RemarksIncludes Items W/# FANControl BOX Assy Selector Switch Push Button SwitchDiagonastic Switch Switch BracketControl BOX Assy Water Temperature Gauge Switch CoverAlarm Lamp SWITCH, Panel LightEngine and Radiator Assy Bracket AIR Cleaner AIR CleanerINDICATOR, AIR Cleaner BAND, AIR CleanerEngine and Radiator Assy Blow by Hose ConnectorAIR Duct Hose Hose JointEngine and Radiator Assy FAN Shroud BRACKET, Inter CoolerCooler Hose BRACKET, FAN ShroudOutput Terminal Assy Terminal Cover Terminal BoardOutput Terminal Bolt Output WindowBattery Assy Battery Band BatteryBattery Sheet Battery Bolt SETMuffler Assy Bolt SET MufflerGasket Fuel Tank Assy Fuel Sender Unit Fuel TankFuel Tank CAP Connect HoseEnclosure ASSY. Part Enclosure ASSY. PART1 Enclosure ASSY. Part Over COVER, Front Frame Back PlateDuct COVER, Radiator CAPEnclosure ASSY. Part Rear Frame Enclosure ASSY. Part Manual PAK Seal RubberWasher Rubber Seals Assy Part Name Nameplate and Decals Assy Engine & Radiator Group Battery GroupControl BOX Group Output Terminal GroupNameplate and Decals Assy Fuel Tank Group Enclosure GroupTerms and Conditions of Sale Parts Freight PolicyPage HERE’S HOW to GET Help
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DCA125USI specifications

The Multiquip DCA125USI is a high-performance portable diesel generator renowned for its reliability, efficiency, and robust construction, making it an ideal choice for construction sites, events, and remote locations requiring continuous power. Engineered for durability, this generator features a solid and compact design that allows seamless transport while providing ample power to meet demanding applications.

One of the standout features of the DCA125USI is its powerful 125 kVA output, capable of supplying electricity to a wide range of equipment simultaneously. With a fuel-efficient Tier 4 compliant engine, this generator not only delivers high performance but also addresses environmental concerns through reduced emissions. Operating at low noise levels, the DCA125USI ensures a quieter work environment, making it suitable for urban areas and noise-sensitive locations.

In terms of technology, the DCA125USI is equipped with a state-of-the-art digital control panel that offers advanced monitoring capabilities, allowing users to easily track the generator's performance, fuel consumption, and overall health. This user-friendly interface simplifies operation and enhances the overall experience for users, whether they are seasoned professionals or first-time operators. Additionally, the generator is fitted with automatic voltage regulation (AVR), which provides stable power output, protecting connected equipment from voltage fluctuations.

Safety is a priority with the Multiquip DCA125USI, as evidenced by its comprehensive set of protection features, including low oil pressure shutdown, high-temperature shutdown, and overload protection. These safety mechanisms ensure the longevity of the engine and the generator's components while safeguarding connected equipment against potential damage.

Another notable characteristic is its large fuel tank, which allows for extended run times, reducing the need for frequent refueling. This feature is particularly beneficial in situations where access to fuel is limited or where continuous operation is critical.

In conclusion, the Multiquip DCA125USI is a versatile and dependable portable diesel generator, catering to a wide variety of applications. Its combination of high output, advanced technology, and robust safety features make it an excellent investment for contractors, event organizers, and anyone in need of reliable power in challenging environments. With this generator, users can have peace of mind knowing they have a powerful energy solution at their disposal.