Multiquip DCA25USI2XF, DCA25USIXF operation manual Stuck?

Page 47

TROUBLESHOOTING

TABLE 19. ENGINE TROUBLESHOOTING (CONTINUED)

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

 

Fuel filter clogged or dirty?

Clean or change.

 

 

 

 

Air cleaner clogged?

Clean or change.

 

 

 

 

Fuel leak due to loose injection

Tighten nut.

 

pipe retaining nut?

 

 

 

 

 

 

Injection pump malfunctioning?

Repair or replace.

Engine revolution is not smooth.

 

 

Incorrect nozzle opening

Adjust.

 

 

pressure?

 

 

 

 

 

 

Injection nozzle stuck or

Repair or replace.

 

clogged?

 

 

 

 

 

 

Fuel over flow pipe clogged?

Clean.

 

 

 

 

Governor malfunctioning?

Repair.

 

 

 

 

Excessive engine oil?

Reduce to the specified level.

 

 

 

 

Piston ring and liner worn or

Repair or replace.

Either white or blue exhaust gas

stuck?

 

is observed.

 

 

Incorrect injection timing?

Adjust.

 

 

 

 

 

Deficient compression?

Adjust top clearance.

 

 

 

 

Overload?

Lessen the load.

 

 

 

 

Low grade fuel used?

Use the specified fuel.

Either black or dark gray

 

 

Fuel filter clogged?

Clean or change.

exhaust gas is observed.

 

 

 

Air cleaner clogged?

Clean or change.

 

 

 

 

Deficient nozzle injection?

Repair or replace the nozzle.

 

 

 

 

Incorrect injection timing?

Adjust.

 

 

 

 

Engine's moving parts seem to

Repair or replace.

 

be seizing?

 

 

 

 

 

Deficient output.

Uneven fuel injection?

Repair or replace the injection pump.

 

 

 

 

Deficient nozzle injection?

Repair or replace the nozzle.

 

 

 

 

Compression leak?

Replace head gasket, tighten cylinder head bolt, glow plug and

 

nozzle holder.

 

 

 

 

 

DCA25USIXF/DCA25USI2XF — OPERATION AND PARTS MANUAL — REV. #2 (07/26/11) — PAGE 47

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Contents Model DCA25USIXF Model DCA25USI2XF Proposition 65 Warning Diesel engine exhaust and someTable of Contents Ordering parts has never been easier Parts Ordering ProceduresSafety Messages Safety Informationfire extinguisher General SafetyGenerator Safety „ Always know the location of the nearestBefore servicing equipment Engine Safety3ECURE Portable Power Cables in Cable Tray with TIE wraps Fuel SafetyTowing Safety „ Never use fuel as a cleaning agent„ Never use gas piping as an electrical ground Electrical SafetyDevice. All installations should be Environmental Safety Battery SafetyGenerator Specifications SpecificationsDimensions DimensionsGenerator Decals DecalsDecals Typical Generator Grounding Application InstallationGenerator Grounding Outdoor InstallationIndoor Installation Mounting Two auxilliary circuit breakers, 250V @50 amps General InformationFamiliarization Major Components ComponentsGenerator Control Panel Generator Control PanelFuel Gauge Indicates amount of diesel fuel available Engine Operating PanelOutput Terminal Familiarization Output Terminal PanelOutput Terminal Panel Terminal legs Oand Ground are considered bonded groundsF.C.I. Receptacle 120VAC Gfci ReceptaclesConnecting Loads Over Current Relay Connecting LoadsLoad Application Single Phase LoadThree Phase Load Maximum Amps Voltage Selector SwitchGauge READING/TERMINAL Panel Connections Generator OutputVoltagesReading Voltage Voltage selector switch3Ø 240/139 Output Terminal Lug Voltages Three-Phase PositionOutput Terminal Panel Connections Uvwo Terminal Output Voltages3Ø 480/277 Output Terminal Lug Voltages Voltage Selector Switch 240/120V Single-Phase PositionFuel Check SetupCircuit Breakers Lubrication OilONLY! use #2 diesel fuel when refueling Refueling ProcedureOperation FreezingWeather Cleaning the RadiatorAir Cleaner Fan Belt Tension Mm when depressed with the thumb as shown belowAlternator BatteryBattery Cable Installation WiringDirect exhaust away from nearby personnel StartupBefore Starting Engines exhaust contains harmful emissionsIgnition Switch Start Position Oil Pressure Gauge Automatic Shut-down System Normal Shut-down ProcedureEmergency Shut-down Procedure ShutdownMaintenance Check Oil Level Cleaning the Fuel StrainerFeed Pump Strainer Cleaning Air RemovalCheck the wheel and drum for free rotation Trailer MaintenanceBrake Adjustment BrakesSuspension Tires/Wheels/Lug NutsTireWear/Inflation Start all wheel lug nuts by hand Lug Nut Torque RequirementsTrailer/Towing Vehicle Wiring Diagram Trailer Wiring DiagramEngine Wiring Diagram Engine Wiring DiagramEngine Wiring Diagram Generator Wiring Diagram Generator Wiring DiagramStarter does not run TroubleshootingEngine does not start Stuck? Generator Troubleshooting Page Xxxxx only Not Used on Sample Parts ListExplanation of Code in Remarks Column Qty Description Suggested Spare PartsGenerator Assy Generator AssySurge Absorber Balancing Weight KITField Assy RectifierControl BOX ASSY. Dcausixf only DCA25USIXF Control BOX AssyMachine Screw Decal Terminal SymbolControl BOX Circuit BREAKER, 3P 60ADCA25USIXF Control BOX Assy Toothed Washer CHANGE-OVER SWITCH, AmmeterWater Temperature Gauge SWITCH, Panel LightControl BOX ASSY. DCAUSI2XF only DCA25USI2XF Control BOX AssyCURRENTTRANSFORMER, 100/5A Selector SwitchSwitch Bracket Switch CoverDCA25USI2XF Control BOX Assy Wire HARNESS, Generator Engine and Radiator ASSY. Dcausixf only DCA25USIXF Engine and Radiator AssyBRACKET, AIR Cleaner AIR CleanerELEMENT, AIR Cleaner INDICATOR, AIR CleanerDCA25USIXF Engine and Radiator Assy Ring UNIT, Water TemperatureDrain Joint PlugEngine and Radiator ASSY. DCAUSI2XF only DCA25USI2XF Engine and Radiator AssyENGINE, Isuzu BV-4LE2 DCA25USI2XF Engine and Radiator Assy M1316100603 Output Terminal Assy Output Terminal AssyOutput Window Terminal PanelOutput Terminal Bolt TIE ScrewBattery Assy Battery AssyBattery Bolt SET BatteryBattery Sheet Battery BandMuffler ASSY. DCA-25USIXF only DCA25USIXF Muffler AssyM1335000103 M1332000002810000 ~8101465 M1332000012Muffler ASSY. DCA-25USI2XF only DCA25USI2XF Muffler AssyExhaust Pipe MufflerGasket StayFuel Tank Assy Fuel Tank AssyTank Support Fuel TankFuel Tank CAP Fuel Sender UnitEnclosure ASSY. DCA25USIXF only DCA25USIXF Eclosure AssyFront Frame BaseAcoustic Sheet Environmental TankDCA25USIXF Eclosure Assy Window Plate Rear CoverDuct Rear DoorDCA25USIXF Eclosure Assy Bracket Fuel Leak Detected SwitchBracket Stay Support LEGEnclosure ASSY. DCA25USI2XF only DCA25USI2XF Eclosure AssyFront Louver COVER, from FrameDCA25USI2XF Eclosure Assy 35A M1493305204 M144330220334A M1493305104 M1443400103DCA25USI2XF Eclosure Assy CLAMP, Manual Holder Manual HolderRubber Seals Assy Rubber Seals Assy0228901220 02292007900314500560 0229200630Name Plate Assy Nameplate and Decals AssyStripe Whisperwatt Decal MQ POWER, DCA25USI2Plate MQ Power StripeFreightpolicy Terms and Conditions of Sale PartsPage HERE’S HOW to GET Help

DCA25USI2XF, DCA25USIXF specifications

Multiquip is a renowned name in the construction and industrial equipment sector, known for delivering high-performance generators that cater to various power needs. Two standout models in their lineup are the DCA25USIXF and DCA25USI2XF, both designed for reliability, efficiency, and versatility.

The Multiquip DCA25USIXF is a compact, industrial-grade diesel generator that delivers a powerful 25 kVA, making it ideal for construction sites, outdoor events, and emergency backup applications. This model is powered by a robust Yanmar diesel engine, which ensures high fuel efficiency and low emissions, adhering to stringent environmental standards. The DCA25USIXF features an advanced digital control panel, providing users with an intuitive interface for monitoring performance, voltage output, and operational status. Its sound-attenuated enclosure significantly reduces noise levels, making it suitable for use in noise-sensitive areas.

On the other hand, the DCA25USI2XF model takes power generation a step further by offering dual voltage capabilities, allowing users to switch between 120V and 240V outputs. This flexibility makes it highly versatile, catering to a broader range of tools and equipment. Like the DCA25USIXF, the DCA25USI2XF is also equipped with Yanmar’s reliable diesel engine, which contributes to its durability and long service life. Both models come with a heavy-duty frame to withstand tough conditions, ensuring durability on job sites.

The technology implemented in these generators includes automatic voltage regulation (AVR), which stabilizes voltage output, protecting sensitive equipment from power surges. Additionally, the generators feature a low oil shutdown system, which prevents engine damage by automatically shutting down the generator when oil levels are low. This protective measure not only enhances the longevity of the generator but also contributes to safer operation.

In terms of portability, both models are equipped with rugged wheels and a lifting eye, facilitating easy transportation to various job sites. With their combination of power, efficiency, and advanced features, the Multiquip DCA25USIXF and DCA25USI2XF generators are excellent choices for professionals seeking reliable power solutions in demanding environments. Whether for construction, events, or standby power, these generators deliver exceptional performance tailored to meet diverse needs.
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