Manuals / Multiquip / Lawn and Garden / Portable Generator

Multiquip DCA-20SPX Wilmington Ave, Carson, CA, Contact mq@multiquip.com, Water Ridge Rd

Models: DCA-20SPX

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HERE’S HOW TO GET HELP

OPERATION AND PARTS MANUAL

HERE’S HOW TO GET HELP

PLEASE HAVE THE MODEL AND SERIAL

NUMBER ON-HAND WHEN CALLING

MULTIQUIP CORPORATE OFFICE

18910 Wilmington Ave	Tel. (800) 421-1244
Carson, CA 90746	Fax (800) 537- 3927
Contact: mq@multiquip.com
Web: www.multiquip.com
MQ Power
1800 Water Ridge Rd.	Tel. (800) 883-2551
Suite 500/600	Fax (972) 315-1847
Lewisville, TX 75057
Contact: mqpower@multiquip.com
Web: www.mqpower.com
MQ Parts Department
800-427-1244	Fax: 800-672-7877
310-537-3700	Fax: 310-637-3284
Service/Tech Support/Warranty
800-835-2551	Fax: 310-638-8046

© COPYRIGHT 2010, MULTIQUIP INC.

MQ Power and the MQ Power logo are registered trademarks of Multiquip Inc. and may not be used, reproduced, or altered without written permission. All other trademarks are the property of their respective owners and used with permission.

This manual MUST accompany the equipment at all times. This manual is considered a permanent part of the equipment and should remain with the unit if resold.

The information and speciﬁcations included in this publication were in effect at the time of approval for printing. Illustrations, descriptions, references and technical data contained in this manual are for guidance only and may not be considered as binding. Multiquip Inc. reserves the right to discontinue or change speciﬁcations, design or the information published in this publication at any time without notice and without incurring any obligations.

Further, MQ Power disclaims any warranties or guaranties, expressed or implied, with regards to the information contained in this manual.

Your Local Dealer is:

Manufactured for

Multiquip Inc.

by

DENYO CO., LTD, JAPAN

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Multiquip DCA-20SPX Wilmington Ave, Carson, CA, Contact mq@multiquip.com, Water Ridge Rd, Suite 500/600, Lewisville, TX

Contents

PARTS LIST NO. B1871302604 OPERATION AND PARTS MANUALTHIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALLTIMES MODEL DCA-20SPXPROPOSITION 65WARNING Diesel engine exhaust and some ofPAGE 2 - DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10 NOTE PAGE DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10 - PAGETABLE OF CONTENTS Specification and partCOMPONENT DRAWINGS NOTEnumber are subject to change without noticePARTS ORDERING PROCEDURES When ordering parts, please supplyOrdering parts has never been easier Choose from three easy optionsDCA-20SPX - SPECIFICATIONS Table 1. Generator SpecificationsTable 2. Engine Specifications PAGE 6 - DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10DCA-20SPX - DIMENSIONS TOP, SIDE AND FRONT Figure 1. DimensionsTABLE 3. DIMENSIONS Dimension ft. mmDCA-20SPX - SAFETY MESSAGE ALERT SYMBOLS HAZARD SYMBOLSSAFETY MESSAGE ALERT SYMBOLS Whisperwatt GeneratorDCA-20SPX - SAFETY MESSAGE ALERT SYMBOLS WARNING - ROTATING PARTSCAUTION - ACCIDENTAL STARTING CAUTION - OVER-SPEED CONDITIONSGeneral Safety DCA-20SPX - RULES FOR SAFE OPERATIONDANGER - READTHIS MANUAL Maintenance Safety Power Cord SafetyGrounding Safety DCA-20SPX - RULES FOR SAFE OPERATIONBattery Safety DCA-20SPX - RULES FOR SAFE OPERATIONDANGER - EXPLOSION HAZARDS WARNING - BURN HAZARDSDANGER-Electrocution Hazards DANGER-Lethal Exhaust Gas HazardsDCA-20SPX - RULES FOR SAFE OPERATION DANGERTowing and Transporting Safety DCA-20SPX - RULES FOR SAFE OPERATIONPAGE 14 - DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10 NOTE PAGE DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10 - PAGEDCA-20SPX - GENERATOR DECALS Figure 2. Generator DecalsPAGE 16 - DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10 DCA-20SPX - GENERATOR DECALS Figure 3. Generator Decals Cont inuedDCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10 - PAGE DCA-20SPX - INSTALLATION Figure 4.Typical Generator Grounding ApplicationPAGE 18 - DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10 DCA-20SPX - INSTALLATION Outdoor InstallationIndoor Installation CAUTION - EXHAUST HAZARDDCA-20SPX - GENERAL INFORMATION GeneratorEngine Operating Panel Generator Control PanelDCA-20SPX - MAJOR COMPONENTS Figure 5. Major ComponentsDCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10 - PAGE Table 4. Generator Major ComponentsNOTE PAGE PAGE 22 - DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10DCA-20SPX - GENERATOR CONTROL PANEL Figure 6. Generator Control PanelDCA-20SPX - ENGINE OPERATING PANEL Figure 7. Engine Operating PanelAUTO MANUAL OFF/RESET LOW OIL PRESSURE HIGH COOLANT TEMPERATURE PAGE 24 - DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10DCA-20SPX - ENGINE OPERATING PANEL 9. Auto On/Off Engine Controller MPECDCA-20SPX - OUTPUT TERMINAL PANEL FAMILIARIZATION Output Terminal FamiliarizationFigure 8. Output Terminal Panel Output Terminal PanelDCA-20SPX - OUTPUT TERMINAL PANEL FAMILIARIZATION 120VAC GFCI ReceptaclesFigure 11. Voltage Regulator Control Knob Figure 9. G.F.C.I. ReceptacleConnecting Loads Figure 14. Over Current Relay Figure 13. Connecting LoadsOver Current Relay DCA-20SPX - OUTPUT TERMINAL PANEL FAMILIARIZATIONSingle Phase Load Table 5. Power Factor By LoadDCA-20SPX - LOAD APPLICATION/MAXIMUM AMPERAGE DANGER - ELECTRICAL SYSTEM HAZARDSHow to Read the Output Terminal Gauges Figure 17. Output Terminal Lugs 240 Single Phase ConnectionsFigure 19. Output Terminal Lugs 120 Single Phase Connections DCA-20SPX - GAUGE READING/TERMINAL PANEL CONNECTIONSDCA-20SPX - SETUP Circuit BreakersLubrication Oil Fuel CheckDCA-20SPX - SETUP Refueling ProcedureWARNING - RESPIRATORY HAZARDS Figures 24 andCleaning the Radiator Table 10. Anti-Freeze Operating TemperaturesAir Cleaner Coolant Antifreeze/Summer Coolant/WaterBattery Battery Cable InstallationFigure 27. Battery Connections CAUTION - BATTERY SERVICING SAFETYDCA-20SPX - GENERATOR START-UP PROCEDURE MANUAL Manual Start-up ProcedureFigure 30. MPEC Control Switch Manual Position Before StartingFigure 37. Coolant Temperature Gauge Figure 34. Voltage Adjust Control KnobFigure 33. Voltmeter Figure 38. Engine Tachometer GaugeDCA-20SPX - GENERATOR START-UP PROCEDURE AUTO MODE CAUTION - BACKUP GENERATOR USEFigure 41. MPEC Control Switch AUTO WARNING - AUTO MODE MAINTENANCEDCA-20SPX - GENERATOR SHUT-DOWN PROCEDURES Normal Shutdown ProcedureEmergency Shutdown Procedure Figure 42. MPEC Control Switch Off/ResetDCA-20SPX - MAINTENANCE Air Cleaner with Dust IndicatorService Daily General InspectionCleaning the Fuel Strainer Air RemovalCheck Oil Level Replacing Oil FilterDCA-20SPX - MAINTENANCE Figure 43. Battery Charger JacketWater Heater Power ConnectionsDCA-20SPX -TRAILER MAINTENANCE Trailer MaintenanceDCA-20SPX -TRAILER MAINTENANCE Brake AdjustmentBrakes Hydraulic Surge BrakesTires/Wheels/Lug Nuts CAUTION - EYESIGHT HAZARDTireWear/Inflation SuspensionLug Nut Torque Requirements Figure 46. Wheel Lug Nuts Tightening SequenceDCA-20SPX -TRAILER MAINTENANCE DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10 - PAGEDCA-20SPX -TRAILERWIRING DIAGRAM Figure 47. Trailer/Towing Vehicle Wiring DiagramPAGE 46 - DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10 DCA-20SPX - GENERATORWIRING DIAGRAM Figure 48. Generator Wiring DiagramDCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10 - PAGE DCA-20SPX - ENGINEWIRING DIAGRAM Figure 49. Engine Wiring DiagramPAGE 48 - DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10 DCA-20SPX -TROUBLESHOOTING ENGINE TABLE 16. ENGINE TROUBLESHOOTINGSYMPTOM POSSIBLE PROBLEMDCA-20SPX -TROUBLESHOOTING ENGINE TABLE 16. ENGINE TROUBLESHOOTING CONTINUEDSYMPTOM POSSIBLE PROBLEMDCA-20SPX -TROUBLESHOOTING GENERATOR TABLE 17. GENERATOR TROUBLESHOOTINGSYMPTOM POSSIBLE PROBLEMDCA-20SPX -TROUBLESHOOTING ENGINE CONTROLLER TABLE 18. ENGINE CONTROLLER TROUBLESHOOTING MPECSYMPTOM POSSIBLE PROBLEMNOTE PAGE DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10 - PAGESAMPLE PARTS LIST DCA-20SPX - EXPLANATION OF CODE IN REMARKS COLUMNQTY. Column NO. ColumnDCA-20SPX - SUGGESTED SPARE PARTS DescriptionDCA-20SPXWHISPERWATTGENRATOR W/ISUZU AA-4LE2 DIESEL ENGINE 1TO 3 UNITSDCA-20SPX - GENERATOR ASSY GENERATOR ASSYPAGE 56 - DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10 PART NAME REMARKSDCA-20SPX - GENERATOR ASSY HEX SOCKET HEAD CAP SCREWDCA-20SPX- ENGINE OPERATING PANEL ASSY ENGINE OPERATING PANEL ASSYPAGE 58 - DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10 DCA-20SPX- ENGINE OPERATING PANEL ASSY PART NAMEREMARKS ECU9988N220VDCA-20SPX- CONTROL BOX ASSY CONTROL BOX ASSY. S/N 7800001~7800129PAGE 60 - DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10 AMMETER CHANGE-OVER SWITCH DCA-20SPX- CONTROL BOX ASSYPART NAME REMARKSDCA-20SPX- ENGINE AND RADIATOR ASSY ENGINE AND RADIATOR ASSYPAGE 62 - DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10 DCA-20SPX- ENGINE AND RADIATOR ASSY PART NAMEREMARKS ENGINE, ISUZU AA-4LE2 DA-05DCA-20SPX- ENGINE AND RADIATOR ASSY PAGE 64 - DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10DCA-20SPX- ENGINE AND RADIATOR ASSY PART NAMEDCA-20SPX- OUTPUTTERMINAL ASSY THE PART NUMBERS LISTED INDICATE DEFAULT COLORAFTER THE PART NUMBER WHEN ORDERING ANY PAGE 66 - DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10DCA-20SPX- OUTPUTTERMINAL ASSY PART NAMERECEPTACLE, 250V 50A CS6369 OUTPUT TERMINAL ASSYDCA-20SPX- BATTERY ASSY BATTERY ASSYPAGE 68 - DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10 DCA-20SPX- BATTERY ASSY PART NAMEDCA-20SPX- MUFFLER ASSY MUFFLER ASSYPAGE 70 - DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10 DCA-20SPX- MUFFLER ASSY PART NAMEDCA-20SPX- FUELTANK ASSY FUEL TANK ASSYPAGE 72 - DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10 DCA-20SPX- FUELTANK ASSY PART NAMEREMARKS DCA-20SPX- ENCLOSURE ASSY THE PART NUMBERS LISTED INDICATE DEFAULT COLORAFTER THE PART NUMBER WHEN ORDERING ANY PAGE 74 - DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10DCA-20SPX- ENCLOSURE ASSY PART NAMEDCA-20SPX- ENCLOSURE ASSY. CONT THE PART NUMBERS LISTED INDICATE DEFAULT COLORAFTER THE PART NUMBER WHEN ORDERING ANY PAGE 76 - DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10DCA-20SPX- ENCLOSURE ASSY. CONT PART NAMEENCLOSURE ASSY. CONT DCA-20SPX- RUBBER SEALS ASSY RUBBER SEALS ASSYPAGE 78 - DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10 DCA-20SPX- RUBBER SEALS ASSY PART NAMERUBBER SEALS ASSY DCA-20SPX- NAMEPLATE AND DECALS ASSY NAMEPLATE AND DECALS ASSYPAGE 80 - DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10 DCA-20SPX- NAMEPLATE AND DECALS ASSY PART NAMEREMARKS EffectiveFebruary 22, 2006 TERMS AND CONDITIONS OF SALE - PARTS SPECIAL EXPEDITING SERVICEPAYMENT TERMS FREIGHT POLICYNOTE PAGE DCA-20SPX- OPERATION AND PARTS MANUAL - REV. #2 04/14/10 - PAGEContact mqpower@multiquip.com 18910 Wilmington AveCarson, CA Contact mq@multiquip.com