Multiquip operation manual DCA-500SSK -TROUBLESHOOTING Mpec, Mpec Troubleshooting

Page 65

DCA-500SSK —TROUBLESHOOTING (MPEC)

All breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, please take a remedial action following the diagnosis based

on the MPEC Troubleshooting (Table 18) information shown below. If the problem cannot be remedied, consult our company's business office or service plant.

TABLE 18. MPEC TROUBLESHOOTING

Sympton

Possible Cause

Solution

 

 

 

 

Low oil level?

Fill oil level.

 

 

 

Low oil pressure

Oil pressure sending unit failure?

Replace oil pressure sending unit.

 

 

light is on.

Time delay malfuntion in MPEC?

Refer to dealer.

 

 

 

 

 

Wire shorted?

Inspect/repair wire.

 

 

 

 

Low coolant level?

Fill coolant level.

Low coolant level

 

 

Sending unit failure?

Replace sending unit.

light is on.

 

 

 

Low battery voltage?

Replace/charge battery.

 

 

 

 

Fan belt tension incorrect?

Tighten/replace fan belt.

 

 

 

 

Air flow is not circulation through

Clean/repair radiator grill.

 

radiator?

 

 

 

 

 

 

Doors open?

Close doors.

High coolant

 

 

Exhaust leaking?

Replace/repair gaskets or faulty part.

temperture light is

 

 

on.

Generator being overloaded?

Check/reduce load.

 

 

 

 

 

Thermostat failure?

Replace thermostat.

 

 

 

 

Air intake blocked?

Clear all air intakes.

 

 

 

 

Temperature switch failure?

Replace temperature switch.

 

 

 

Overcrank light is

No or low Fuel?

Fill fuel level.

 

 

on.

MPEC needs to be calibrated?

Refer to dealer.

 

 

 

 

 

RPM engine speed too high?

Adjust RPM.

 

 

 

Overspeed light is

Governor actuator needs to be adjusted?

Adjust governor actuator.

 

 

Governor controller needs to be

 

on.

Adjust governor controller.

 

adjusted?

 

 

 

 

 

 

MPEC needs to be calibrated?

Refer to dealer.

 

 

 

Loss of MPU

Magnetic pick up out of adjustment?

Adjust magnetic pick up.

 

 

light(s) or on.

Magnetic pick up dirty?

Clean magnetic pick up.

 

 

 

 

DCA-500SSK — PARTS AND OPERATION MANUAL (STD)— REV. #1 (04/14/01) — PAGE 65

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Contents MQ Power Model DCA-500SSK Whisperwatttm Generator Page Heres HOW to GET Help Table of Contents Parts Ordering Procedures Earn Extra Discounts when You order by FAXRules for Safe Operation General SafetyRadiator Loading and Unloading Crane BatteryRules for Safe Operation DCA-500SSK -TOWING Towing Safety PrecautionsExplanation of Chart DCA-500SSK TRAILER-SAFETY GuidelinesDCA-500SSK -TRAILER-SPECIFICATIONS Electrical DCA-500SSK -TRAILER-SPECIFICATIONSElectric Brakes Electric Brake AdjustmentBrakes Hydraulic/Air/Surge Brakes DCA-500SSK -TRAILER Safety GuidelinesSuspension Tires/Wheels/Lug NutsTire Wear/Inflation Lug Nut Torque Requirements DCA-500SSK -TRAILER Safety GuidelinesTorque Ft.-Lbs DCA-500SSK -TRAILER-WIRING Diagram Symptom Possible Cause Solution DCA-500SSK -TRAILER BrakestroubleshootingMachine Safety Decals DCA-500SSK Operation and Safety DecalsDCA-500SSK Operation and Safety Decals DCA-500SSK Operation and Safety Decals DCA-500SSK Operation and Safety Decals DCA-500SSK Operation and Safety Decals DCA-500SSK -- Notes DCA-500SSK Specifications DCA-500SSK General Information Major Components DCA-500SSK Major ComponentsPage Dimensions DCA-500SSK Dimensions TOP and SideDCA-500SSK Dimensions Front and Rear Control Panel DCA-500SSK Control PanelPilot Lamp Indicates that the generator is working properly DCA-500SSK Control PanelEngine Operating Panel DCA-500SSK Engine Operating PanelFuel Level Gauge Indicates amount of diesel fuel remaining DCA-500SSK Outputterminal Output Terminal Panel Location Over Current Relay Maximum Amps Output Terminal Panel Available VoltagesModel Rated Maximum AmpsAC Voltmeter Reading the Output Terminal GaugesPhase, 240 Volt Single Phase, 240 VoltSingle Phase, 139 Volt Voltage Change-over BoardPhase, 480 Volt Single Phase, 480 VoltSingle Phase, 277 Volt DCA-500SSK OutputterminalOutdoor Installation DCA-500SSK InstallationTypical Generator Grounding Application DCA-500SSK InstallationGeneral Inspection Prior to Operation DCA-500SSK PRE-SETUPRange Type OilAir Cleaner Cleaning the RadiatorOperation in Freezing Weather Fan Belt TensionPiping and Hose Connection Battery Cable InstallationWiring DCA-500SSK Load Application Single Phase LoadThree Phase Load Before Starting Generator and Control Panel Before Starting EngineSet the battery ON/OFF switch to the on position Voltage Meter Volts Engine Speed Switch DCA-500SSK Generator START-UP Procedure Auto Emergency Stop DCA-500SSK Generator Shutdown ProcedureEngine Shutdown Page DCA-500SSK Maintenance Replacing fuel filter Check Electric Heater If equippedChanging Oil Generator Storage Cleaning breather elementGreasing Inspection / Maintenance DCA-500SSK-GENERATORWIRING Diagram DCA-500SSK-ENGINEWIRING Diagram DCA-500SSK -TROUBLESHOOTING Engine Engine Troubleshooting DCA-500SSK -TROUBLESHOOTING EngineGenerator Troubleshooting DCA-500SSK -TROUBLESHOOTING GENERATOR/ENGINEMpec Troubleshooting DCA-500SSK -TROUBLESHOOTING MpecItems Found In the Items Number Column Explanation of Code in Remarks ColumnQty Description DCA-500SSK Suggested Spare PartsDCA-500SSK w/SA6D170AE-1 Komatsu Engine DCA-500SSK Generator Assy Part Name QTY DCA-500SSK Generator Assy DCA-500SSK Generator Assy DCA-500SSK Control BOX Assy Part Name DCA-500SSK Control BOX Assy APS Unit DCA-500SSK Engine & Radiator Assy Part Name QTY Remarks DCA-500SSK Engine & Radiator Assy 0131710060 DCA-500SSK Engine Operating Panel Assy Support LEG DCA-500SSK Engine Operating Panel Assy Starter Switch DCA-500SSK Outputterminal Assy Output Terminal DCA-500SSK Outputterminal Assy Cover DCA-500SSK Battery Assy Battery DCA-500SSK Muffler Assy Muffler DCA-500SSK Fueltank Assy Fuel Tank Enclosure #1 Assy DCA-500SSK Enclosure #1 AssyDCA-500SSK Enclosure #1 Assy DCA-500SSK Enclosure #1 Assy HEX.NUT Enclosure #2 Assy DCA-500SSK Enclosure #2 AssyRear Frame DCA-500SSK Enclosure #2 Assy DCA-500SSK Enclosure #2 Assy Enclosure #3 Assy DCA-500SSK Enclosure #3 AssyDCA-500SSK Enclosure #3 Assy DCA-500SSK Enclosure #3 Assy 7525151504 DCA-500SSK Rubber Seal Assy 0228901640 DCA-500SSK Nameplate and Decals Control BOX Group DCA-500SSK Nameplate and Decals Part Name QTY Remarks Freight Policy Terms and Conditions of Sale PartsPage Mail mq@multiquip.com WWW multiquip.com