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OPERATION MANUAL
WHISPERWATT™ SERIES
MODEL DCA300SSJU4F2
MODEL DCA300SSJU4F3
60Hz GENERATORS
(JOHN DEERE 6090HFG09 DIESEL ENGINE)
INSTRUCTION MANUAL NO. M5844300304/DCA300SSJU4F2
INSTRUCTION MANUAL NO. M5844300404/DCA300SSJU4F3
To find the latest revision of this publication or
associated parts manual, visit our website at:
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
Revision #2 (04/18/22)
www.mqpower.com
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Table of Contents
Troubleshooting
Related Manuals for MQ Power DCA300SSJU4F3
Summary of Contents for MQ Power DCA300SSJU4F3
- Page 1 MODEL DCA300SSJU4F2 MODEL DCA300SSJU4F3 60Hz GENERATORS (JOHN DEERE 6090HFG09 DIESEL ENGINE) INSTRUCTION MANUAL NO. M5844300304/DCA300SSJU4F2 INSTRUCTION MANUAL NO. M5844300404/DCA300SSJU4F3 Revision #2 (04/18/22) To find the latest revision of this publication or associated parts manual, visit our website at: www.mqpower.com THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
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Page 2: Proposition 65 Warning
PROPOSITION 65 WARNING PAGE 2 — DCA300SSJU4F2/F3 60 HZ GENERATOR • OPERATION MANUAL — REV. #2 (04/18/22) -
Page 3: Table Of Contents
Troubleshooting (Generator) ........69 Troubleshooting (Engine) ......... 70–71 Troubleshooting (Diagnostics) ......72–73 Generator Wiring Diagram (DCA300SSJU4F2 M5814000603) ....... 74 Generator Wiring Diagram (DCA300SSJU4F3 M5814000703) ....... 75 Engine Wiring Diagram (DCA300SSJU4F2 M581400803A) ....... 76 Engine Wiring Diagram (DCA300SSJU4F3 M5814100913) ....... 77 Engine Wiring Diagram (Basler DGC2020HD Option) ........ -
Page 4: Safety Decals
SAFETY DECALS Safety decals are attached to the generator as shown in NOTICE Figure 1. Keep these safety decals clean at all times. When For safety decal part numbers, reference parts manual. the safety decals become worn or damaged, contact your nearest dealer or the Multiquip Parts Dept. -
Page 5: Safety Information
SAFETY INFORMATION Do not operate or service the generator before reading the Potential hazards associated with the operation of this entire manual. Safety precautions should be followed at all generator will be referenced with hazard symbols which times when operating this generator. Failure to read and may appear throughout this manual in conjunction with understand the safety messages and operating instructions safety messages. - Page 6 „ NEVER use accessories or attachments that are not being used. The generator should be stored in a clean, dry location out of the reach of children and unauthorized recommended by MQ Power for this generator. Damage to the generator and/or injury to the user may result. personnel.
- Page 7 SAFETY INFORMATION ENGINE SAFETY „ Operation of the generator may create sparks that can start fi res around dry vegetation. A spark arrestor DANGER may be required. The operator should contact local fi re agencies for laws or regulations relating to fi re prevention „...
- Page 8 SAFETY INFORMATION „ State Health Safety Codes and Public Resources „ Refer to the MQ Power trailer manual for additional safety Codes specify that in certain locations, spark arresters information. must be used on internal combustion engines that use „ In order to reduce the possibility of an accident hydrocarbon fuels.
- Page 9 SAFETY INFORMATION „ Raise and lock the trailer wheel stand in the upright „ NEVER use damaged or worn cables or cords when position when towing. connecting equipment to the generator. Inspect the insulation for cuts. „ Place chock blocks underneath the wheels to prevent rolling while parked.
- Page 10 SAFETY INFORMATION „ ALWAYS keep the battery charged. If the battery is not Metal recycling involves the collection of metal from charged, combustible gas will build up. discarded products and its transformation into raw materials to use in manufacturing a new product. „...
- Page 11 NOTES DCA300SSJU4F2/F3 60 HZ GENERATOR• OPERATION MANUAL — REV. #2 (04/18/22) — PAGE 11...
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Page 12: Specifications
SPECIFICATIONS Table 1. Generator Specifications Model DCA300SSJU4F2 DCA300SSJU4F3 Type Revolving field, self ventilated, open protected type synchronous generator Armature Connection Star with Neutral Phase 3Ø Standby Output 264 kW (330 kVA) Prime Output 240 kW (300 kVA) 3Ø Voltage (L-L/L-N) 208Y/120, 220Y/127, 240Y/139 Voltage Change-Over Bd. -
Page 13: Dimensions
DIMENSIONS DCA300SSJU4F3 ONLY MAXIMUM LIFTING POINT T T O O P P V V I I E E W W 19,000 lbs. (8,618 kg) DCA300SSJU4F2 ONLY PowerBalance (Option) SIDE VIEW PowerBalance (Option) Figure 2. Dimensions FRONT VIEW Table 3. Dimensions... -
Page 14: Installation
2 . 4 T . / REFERENCE NEC 250 Figure 3. Typical Generator Grounding Application NOTICE Trailer mounted generators are the sole responsibility of MQ Power. PAGE 14 — DCA300SSJU4F2/F3 60 HZ GENERATOR • OPERATION MANUAL — REV. #2 (04/18/22) - Page 15 INSTALLATION OUTDOOR INSTALLATION GENERATOR GROUNDING NOTICE Install the generator in an area that is free of debris, bystanders, and overhead obstructions. Make sure the The Occupational Safety and Health Administration generator is on secure, level ground so that it cannot slide (OSHA) and the National Electrical Code (NEC) or shift around.
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Page 16: General Information
GENERAL INFORMATION GENERATOR CONTROL PANEL This generator (Figure 7) is designed as a high quality The “Control Panel” is provided with the following: portable (requires a trailer for transport) power source for „ Frequency Meter (Hz) telecom sites, lighting facilities, power tools, submersible pumps and other industrial and construction machinery. - Page 17 Reference Table 2 for engine specifications. D. During steady state loads, the power from the voltage In keeping with MQ Power’s policy of constantly improving regulator is supplied from the parallel connections of A to its products, the specifications quoted herein are subject B, A to D, and C to D.
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Page 18: General Paralleling Information (Option)
GENERAL PARALLELING INFORMATION (OPTION) The kVAR load sharing is achieved by increasing or NOTICE decreasing the field excitation to the systems’ alternators When the paralleling option is employed, the Basler As the field excitation of one generator set in a group is DGC-2020HD controller must be installed. - Page 19 GENERAL PARALLELING INFORMATION (OPTION) SEQUENCING The complete password sequence is shown in Figure 4. The set-point for the desired hours until maintenance can NOTICE now be changed. Press edit to save. Ethernet communication is required when the generators are configured for the sequencing mode of operation.
- Page 20 GENERAL PARALLELING INFORMATION (OPTION) Pressing the alarm silence button will stop the toggling NOTICE between the pre-alarm and the overview screen. When connecting load cables to the power distribution Once the overview screen is selected, the maintenance panel, be sure to select correctly sized load cables interval can be reset by pressing and holding the reset to handle the full load amperage of both generators button for 10 seconds.
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Page 21: Major Components
MAJOR COMPONENTS DCA300SSJU4F2 WHISPERWATT DCA300SSJU4F3 WHISPERWATT Table 5. Generator Major Components ITEM NO. DESCRIPTION °F RPMX10 INCREASE DECREASE OIL PRESS WATER TEMP SPEED Ｅ Ｅ Ｃ Ｃ Ｃ Ｕ Ｕ Ｕ Check VOLTS ½ ½ Integrated Gauge Panel Emissions Failure °F... -
Page 22: Engine Control Unit (Ecu-845)
ENGINE CONTROL UNIT (ECU-845) Series 800 Controller Engine Started °F I I I N N N C C C R R R E E E A A A S S S E E E D D D E E E C C C R R R E E E A A A S S S E E E RPMX10 n/min OIL PRESS... -
Page 23: Gauge Unit Assembly (Ecu-670)
GAUGE UNIT ASSEMBLY (ECU-670) °F RPMX10 INCREASE DECREASE n/min OIL PRESS WATER TEMP SPEED °F Ｅ Ｅ Ｅ Ｃ Ｃ Ｃ Ｕ Ｕ Ｕ VOLTS RPMX10 Integrated Gauge Panel Check BATTERY GENERATOR LOAD ½ ½ Emissions Failure Emissions Failure Regen n/min Needed Regen... -
Page 24: Engine/Generator Control Panel
This switch is an option on the DCA3000SSJU4F2. illuminates control panel for ease of reading meters On DCA300SSJU4F3 models S/N 9110376 and above and gauges. Make sure oanel light switch is in the OFF this switch is located on the outside of the enclosure. - Page 25 NOTES DCA300SSJU4F2/F3 60 HZ GENERATOR• OPERATION MANUAL — REV. #2 (04/18/22) — PAGE 25...
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Page 26: Basler Digital Genset Controller (Option)
BASLER DIGITAL GENSET CONTROLLER (OPTION) Figure 12. Basler DGC-2020HD NOTICE The Basler DGC-2020HD is an option. It replaces the ECU 845 controller that comes standard with this generator when the paralleling option is employed. PAGE 26 — DCA300SSJU4F2/F3 60 HZ GENERATOR • OPERATION MANUAL — REV. #2 (04/18/22) - Page 27 BASLER DIGITAL GENSET CONTROLLER (OPTION) 9. Off Pushbutton and Mode Indicator. — Pressing this The definitions below describe the controls and functions button places the DGC-2020HD in Off mode.The red of the Digital Genset Controller (Figure 12). Off mode LED lights when the DGC-2020HD is in Off 1.
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Page 28: Paralleling Panel (Option)
PARALLELING PANEL (OPTION) PANEL LIGHTS VOLTAGE ADJUST CONTACTOR CONTACTOR EMERGENCY STOP CLOSE OPEN CONTROL POWER WHISPERWATT 300 kVA AC GENERATOR Figure 13. Paralleling Panel Components PAGE 28 — DCA300SSJU4F2/F3 60 HZ GENERATOR • OPERATION MANUAL — REV. #2 (04/18/22) - Page 29 PARALLELING PANEL (OPTION) The definitions below describe the controls and functions For units with manual operated breakers, the breaker of the Paralleling Panel (Figure 13). will need to be reset by toggling the handle down, then can be turned back to the “ON” position. On models 1.
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Page 30: Output Terminal Panel Familiarization
Terminal legs “O” and “Ground” are considered bonded „ Two (2) 120V GFCI receptacles @ 20 amp grounds „ Two (2) GFCI Circuit Breakers @ 20 amps „ Eight (8) Output Terminal Lugs ( U, V, W, O, Ground) DCA300SSJU4F3 MODEL SHOWN 1Ø AND 3Ø, NEUTRAL GROUND... - Page 31 OUTPUT TERMINAL PANEL FAMILIARIZATION 120 VAC GFCI Receptacles Twist Lock Dual Voltage 120/240 VAC Receptacles There are two 120 VAC, 20 amp GFCI (Duplex Nema There are three 240/139V, 50 amp auxiliary twist-lock 5-20R) receptacles provided on the output terminal panel. (CS-6369) receptacles (Figure 16) provided on the output These receptacles can be accessed in any voltage terminal panel.
- Page 32 OUTPUT TERMINAL PANEL FAMILIARIZATION Connecting Loads Over Current Relay Loads can be connected to the generator by the Output An over current relay (Figure 19) is connected to the Terminal Lugs or the convenience receptacles (Figure 18). main circuit breaker. In the event of an overload, both the Make sure to read the operation manual before attempting circuit breaker and the over current relay may trip.
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Page 33: Load Application
LOAD APPLICATION SINGLE PHASE LOAD THREE PHASE LOAD Always be sure to check the nameplate on the generator When calculating the power requirements for 3-phase and equipment to insure the wattage, amperage, frequency, power use the following equation: and voltage requirements are satisfactorily supplied by the generator for operating the equipment. -
Page 34: Powerbalance
POWERBALANCE™ PowerBalance™ (Figure 20) is an optional load PowerBalance™ continuously monitors engine management solution that helps protect the engine generator load by sensing the engine exhaust temperature. from problems resulting from sustained low-load operations (defined as less than 30% of the generator full-load rating). Figure 20. -
Page 35: Generator Outputs
GENERATOR OUTPUTS GENERATOR OUTPUT VOLTAGES Maximum Amps Table 10 shows the maximum amps the generator can A wide range of voltages are available to supply voltage for many different applications. Voltages are selected by using provide. DO NOT exceed the maximum amps as listed. the voltage change-over board (Figure 21). -
Page 36: Generator Outputs/Gauge Reading
GENERATOR OUTPUTS/GAUGE READING HOW TO READ THE AC AMMETER AND AC AC Ammeter Gauge Reading VOLTAGE GAUGES Place the AC Ammeter Change-Over Switch (Figure 25) in the U position and observe the current reading (load The AC ammeter and AC voltmeter gauges are controlled drain) on the U terminal as indicated on the AC Ammeter by the AC ammeter and AC voltmeter change-over switches. -
Page 37: Output Terminal Panel Connections
OUTPUT TERMINAL PANEL CONNECTIONS UVWO TERMINAL OUTPUT VOLTAGES 3. Turn the voltage regulator knob (Figure 29) clockwise to increase voltage output, turn counterclockwise to Various output voltages can be obtained using the UVWO decrease voltage output. Use voltage regulator output terminal lugs. The voltages at the terminals are adjustment knob whenever fine tuning of the output dependent on the placement of the jumpers plates (6) on voltage is required... - Page 38 OUTPUT TERMINAL PANEL CONNECTIONS 1Ø-480V UVWO Terminal Output Voltages NOTICE 1. Make sure the voltage change-over board is jumpered ALWAYS make sure that the connections to the UVWO for 480V operation as shown in Figure 32. terminals are secure and tight. The possibility of arcing exist that could cause a fire.
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Page 39: Inspection/Setup
INSPECTION/SETUP ENGINE OIL NOTICE 1. To check the engine oil level, place the generator on When adding engine oil DO NOT overfill (Figure 37B). secure, level ground with the engine stopped. 6. Fill with recommended type oil as listed in Table 11. 2. - Page 40 INSPECTION/SETUP FUEL CHECK Refueling Procedure: DANGER WARNING Fuel spillage on a hot engine can cause Diesel fuel and its vapors are dangerous a fire or explosion. If fuel spillage occurs, to your health and the surrounding wipe up the spilled fuel completely to environment.
- Page 41 2. For DCA300SSJU4F2 generators open the enclosure rear door and remove the filler cap from both DEF tanks and fill with DEF fluid (Figure 44). 3. For DCA300SSJU4F3 generators open the DEF SIDE VIEW access door (Figure 45) remove filler cap and fill with Figure 45.
- Page 42 INSPECTION/SETUP COOLANT Operation in Freezing Weather (ANTIFREEZE/SUMMER COOLANT/WATER) When operating in freezing weather, be certain the proper amount of antifreeze (Table 13) has been added. John Deere recommends Cool-Gard II antifreeze/summer coolant for use in their engines, which can be purchased in Table 13.
- Page 43 INSPECTION/SETUP Battery Cable Installation The fan belt tension is proper if the fan belt bends 10 to 15 mm (Figure 47) when depressed with the thumb as ALWAYS be sure the battery cables (Figure 48) are shown below. properly connected to the battery terminals as shown below. The red cable is connected to the positive terminal of the battery, and the black cable is connected to the negative terminal of the battery.
- Page 44 INSPECTION/SETUP ALTERNATOR COLD WEATHER ENGINE STARTING FLUID (ETHER SYSTEM) The polarity of the alternator is negative grounding type. When an inverted circuit connection takes place, the This unit is equipped with an automatic controlled Engine circuit will be in short circuit instantaneously resulting the Starting Fluid System (KBi’s DIESELMATIC NVT) that alternator failure.
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Page 45: Generator Start-Up Procedure (Manual)
GENERATOR START-UP PROCEDURE (MANUAL) BEFORE STARTING STARTING (MANUAL) 1. Place the Auto-Off/Reset Manual Switch in the CAUTION MANUAL position to start the engine (Figure 51). The engine’s exhaust contains harmful emissions. ALWAYS have adequate ventilation when operating. Direct exhaust away from nearby personnel. WARNING Figure 51. - Page 46 GENERATOR START-UP PROCEDURE (MANUAL) 5. If the voltage is not within the specified tolerance, use the voltage adjustment control knob (Figure 54) to increase or decrease the desired voltage. Figure 57. Generator Load Gauge Figure 54. Voltage Adjust Control Knob 11.
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Page 47: Generator Start-Up Procedure (Auto Mode)
GENERATOR START-UP PROCEDURE (AUTO MODE) STARTING (AUTO MODE) When starting generator in AUTO mode use the “Manual Start-up” procedure except where noted (see below). DANGER 1. Perform steps 1 through 5 in the Before Starting section Before connecting this generator to any as outlined in the Manual Starting Procedure. -
Page 48: Generator Shutdown Procedures
GENERATOR SHUTDOWN PROCEDURES EMERGENCY SHUTDOWN PROCEDURE WARNING NOTICE NEVER stop the engine suddenly except in an emergency. The Emergency Stop Pushbutton Switch should only be used to stop the engine in case of an emergency NORMAL SHUTDOWN PROCEDURE or to lock out operation during service. The emergency stop switch should NEVER be used for routine stopping To shutdown the generator, use the following procedure: of the engine. -
Page 49: Maintenance
MAINTENANCE 500 Hrs 3000 Hrs 10 Hrs Table 14. Inspection/Maintenance 250 Hrs or Every or Every OTHER DAILY 12 Months 36 Months Check Engine Oil and Coolant Levels Check Fuel Filter/Water Separator Bowl Check Air Cleaner/Element Clean or Replace Air Cleaner/Element Check for Leaks/Hoses/Clamps Check for Loosening of Parts Change Engine Oil and Oil Filter *... - Page 50 MAINTENANCE GENERAL INSPECTION CAUTION Prior to each use, the generator should be cleaned and Wear protective equipment such as inspected for deficiencies. Check for loose, missing or approved safety glasses or face shields damaged nuts, bolts or other fasteners. Also check for and dust masks or respirators when fuel, oil, and coolant leaks.
- Page 51 MAINTENANCE FUEL FILTER ELEMENT REPLACEMENT 9. Clean the inside of the air cleaner body. 10. Reinstall the primary and secondary air filter elements 1. Use a filter wrench to remove the fuel filter cup back into air cleaner body. (Figure 67) from the fuel filter body. 11.
- Page 52 MAINTENANCE FUEL WATER SEPARATOR SEDIMENT BOWL FUEL WATER SEPARATOR REPLACEMENT 1. Remove the sediment bowl from the fuel water 1. Use a filter wrench to remove the fuel water separator separator cartridge as shown in Figure 68. cartridge (Figure 69) from the cartridge body head. CARTRIDGE BODY (HEAD) RETAINING...
- Page 53 MAINTENANCE Cleaning Inside the Fuel Tank If necessary, drain the fuel inside the fuel tank completely. Using a spray washer (Figure 70) wash out any deposits or debris that have accumulated inside the fuel tank. Figure 71. Fan Belt Tension Drive Belt Inspection Inspect the drive belt for damage and wear.
- Page 54 MAINTENANCE DRAINING ENGINE OIL ENGINE OIL FILTER REPLACEMENT 1. Run the engine until the engine coolant reaches a 1. Using an oil filter wrench (Figure 74), remove engine temperature of 140°F (60°C) Turn the engine off. oil filter. 2. Remove the oil dipstick from its holder. 3.
- Page 55 MAINTENANCE DRAINING ENGINE COOLANT FLUSHING OUT RADIATOR AND REPLACING COOLANT WARNING „ Open both cocks located at the crankcase side and at DO NOT remove the pressure cap from the the lower part of the radiator and drain the coolant. Open radiator when the engine is hot! Wait until the radiator cap while draining.
- Page 56 MAINTENANCE 4. Press the TEST button (Figure 80) on the GFCI TESTING THE GFCI RECEPTACLE receptacle and verify that the status LED turns OFF. NOTICE The GFCI receptacle is designed to interrupt power when a ground fault exists to prevent injuries and shock hazards.
- Page 57 MAINTENANCE GENERATOR STORAGE For long term storage of the generator the following is recommended: „ Drain the fuel tank completely. Treat with a fuel stabilizer if necessary. „ Completely drain the oil from the crankcase and refill if necessary with fresh oil. „...
- Page 58 MAINTENANCE ENGINE BLOCK HEATER When using the generator in hot climates there is no reason to apply power to the engine block heater. However, if the AND INTERNAL BATTERY CHARGER generator will be used in cold climates it is always a good 120 VAC INPUT RECEPTACLES idea to apply power to the engine block heater at all times.
- Page 59 MAINTENANCE EMISSION CARBON CHECK EMISSION CONTROL Deposition of carbon (soot, unburned fuel) in the exhaust The emission control system employed with the John Deere 6090HF diesel engine consist of a Diesel Oxidation pipe line and muffler could cause not only system derates Catalyst (DOC) and a Selective Catalytic Reduction but also could lead to fires.
- Page 60 MAINTENANCE SELECTIVE CATALYTIC REDUCTION (SCR) NOTICE Diesel engines can be run with a lean burn air-to-fuel ratio, During urea DOC/SCR system purging, white smoke to ensure the full combustion of soot and to prevent the may be emitted from the exhaust tailpipe temporarily exhaust of unburnt fuel.
- Page 61 MAINTENANCE If the diesel exhaust fluid (DEF) symbol (Figure 86) is DIESEL EXHAUST FLUID (DEF) displayed during ECU controller operation, it indicates the The amount of fluid in the DEF tank will be shown on the following: ECU Controller main screen during operation. The symbol „...
- Page 62 MAINTENANCE EXHAUST SYSTEM Regeneration Regeneration is a cleaning process to remove trapped urea deposits. In normal conditions, the exhaust system will be regenerated or cleaned as the exhaust temperature is sufficient enough for urea sublimation. Figure 89. Regeneration Required Indicator This process does not have any influence on the unit operation or require any operator action.
- Page 63 MAINTENANCE „ Press and hold the “REQUEST” button (Figure 91) until „ The Inhibit Regen indicator (Figure 92) wil be displayed the “REGEN ACTIVE” message is displayed on the when regeneration will not occur. monitor and then release button. NOTICE The inhibit regeneration indicator appears in conditions REGEN ACTIVE MODE REQUEST where it may be unsafe for elevating exhaust...
- Page 64 MAINTENANCE INDUCEMENT When the system senses improper usage such as no supply of DEF, use of poor quality DEF, problems with DEF jets, or disconnection of sensors, a warning will be issued before the situation becomes critical. If the warnings are ignored and the unit enters intermittent operation, the emergency shutdown will activate.
- Page 65 MAINTENANCE HOW TO ACTIVATE ESCAPE MODE SPEED If the ECU displays any messages referenced in Table 16 0000 or Figure 93, it may be necessary to restart via ESCAPE MODE. HOURS VOLTS AMPS 00009.7 CANBUS IS WORKING OK ------ 00000.9 h ADD DEF OR USE ESCAPE MENU Figure 93.
- Page 66 MAINTENANCE 5. Press the [SELECT] button (Figure 97) to enter the ESCAPE MODE REQUEST “Escape Mode” menu. EMERGENCY RESERVE ENGINE RUN MAY BE POSSIBLE. >> ESCAPE MODE ACTIVATED << FORCE REGEN POWER OFF. ON. TO RESTART FAULT DIAGNOSTICS TO ATTEMPT ESCAPE MODE: ABOUT UNIT PRESS THE REQUEST SOFT KEY.
- Page 67 MAINTENANCE 10. The Escape Mode Timer (Figure 102) will appear on the main screen. This timer displays remaining time the unit can be operated. ESCAPE MODE TIMER (SEC) DEF LOW! SHUTDOWN IN 0048 0000 0000 ------ ------ 40.0 HZ 00000.9 h DERATE CONDITION EXISTS Figure 102.
- Page 68 MAINTENANCE PROTECTION DEVICES Place the Auto Start/Stop Switch in the “Off/Reset” position. In addition, place all circuit breakers in the OFF position. Automatic Shutdown System Before troubleshooting, allow sufficient time for adequate cooling. Before attempting to restart the generator, perform This unit is equipped with engine protection devices that overall inspection of the generator and correct the problem automatically shut down the engine if any of the faults...
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Page 69: Troubleshooting (Generator)
TROUBLESHOOTING (GENERATOR) Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, use Table 18 shown below for diagnosis of the Generator. If the problem cannot be remedied, consult our company’s business office or service plant. Table 18. -
Page 70: Troubleshooting (Engine)
TROUBLESHOOTING (ENGINE) Troubleshooting (Engine) Symptom Possible Problem Solution No Fuel reaching injection pump? Add fuel. Check entire fuel system. Defective fuel pump? Replace fuel pump. Fuel filter clogged? Replace fuel filter and clean tank. Faulty fuel supply line? Replace or repair fuel line. Check piston, cylinder and valves. - Page 71 TROUBLESHOOTING (ENGINE) Troubleshooting (Engine) - continued Symptom Possible Problem Solution Air filter blocked? Clean or replace air filter. Low engine power output and low speed, Incorrect valve clearances? Adjust valves per engine specification. black exhaust smoke. Malfunction at injector? See engine manual. Drain off engine oil down to uppermark on Too much oil in engine crankcase? dipstick.
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Page 72: Troubleshooting (Diagnostics)
TROUBLESHOOTING (DIAGNOSTICS) 845 ECU SERIES CONTROLLER 4. Releasing the Hour Check Button and pushing the Program/Exit Button on the ECU controller will return The engine controller of this generator diagnoses problems the controller to the main screen. that arise from the engine control system and the engine PROGRAM EXIT itself. - Page 73 TROUBLESHOOTING (DIAGNOSTICS) DGC2020HD SERIES CONTROLLER 7. The dianostic mode will remain active until the Reset button (Figure 107) is pressed or if the engine rpm At times, it may be desired to power up the Engine Control becomes greater than zero. Module (ECM), key switch ON while the engine is not running.
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Page 74: Generator Wiring Diagram
GEN. WIRING DIAGRAM (DCA300SSJU4F2 M5814000603) DCA300SSJU4F2 GENERATOR WIRING DIAGRAM (M5814000603) COT. B COT. B SYMBOL DESIGNATION MAIN GENERATOR ARMATURE WINDING CURRENT TRANSFORMERS (CT4 ~ 5) MAIN GENERATOR FIELD WINDING REF. DES. MARK AT CT ExAr EXCITER ARMATURE WINDING ExFg NO MARK EXCITER FIELD WINDING RECTIFIER NO MARK... -
Page 75: Generator Wiring Diagram
GEN. WIRING DIAGRAM (DCA300SSJU4F3 M5814000703) DCA300SSJU4F3 GENERATOR WIRING DIAGRAM (M5814000703) COT. B COT. B DESIGNATION SYMBOL MAIN GENERATOR ARMATURE WINDING CURRENT TRANSFORMERS (CT4 ~ 5) MAIN GENERATOR FIELD WINDING REF. DES. MARK AT CT ExAr EXCITER ARMATURE WINDING ExFg NO MARK... -
Page 76: Engine Wiring Diagram
ENG. WIRING DIAGRAM (DCA300SSJU4F2 M581400803A) PAGE 76 — DCA300SSJU4F2/F3 60 HZ GENERATOR • OPERATION MANUAL — REV. #2 (04/18/22) -
Page 77: Engine Wiring Diagram
ENG. WIRING DIAGRAM (DCA300SSJU4F3 M5814100913) DCA300SSJU4F2/F3 60 HZ GENERATOR• OPERATION MANUAL — REV. #2 (04/18/22) — PAGE 77... -
Page 78: Engine Wiring Diagram (Basler Dgc2020Hd Option)
ENGINE WIRING DIAGRAM (BASLER DGC2020HD OPTION) PAGE 78 — DCA300SSJU4F2/F3 60 HZ GENERATOR • OPERATION MANUAL — REV. #2 (04/18/22) -
Page 79: Battery Charger Wiring Diagram (Option)
BATTERY CHARGER WIRING DIAGRAM (OPTION) BLACK 14 AWG. LINE (L)120VAC INPUT WHITE 14 AWG. NEUTRAL (N) GREEN 14 AWG. GROUND (G) TO CHASSIS GROUND GREEN 16 AWG. TO STARTER “B” TERMINAL RED 16 AWG. 120 VAC INPUT, INSERT EXTERNAL POWER CORD HERE. NOTES: NEMA 5-15, 15A, 120 VAC, P/N HBL5278C/HUBBLE RECEPTACLE. - Page 80 © COPYRIGHT 2022, MULTIQUIP INC. Multiquip Inc , the MQ logo 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.