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PARTS AND OPERATION MANUAL OPERATION AND PARTS MANUAL ULTRA-SILENT SERIES MODEL DCA-125USJ GENERATOR PARTS LIST NO. M3870400004 Revision #0 (06/24/04) THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
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PAGE 2 — DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04)
Potential hazards associated with trowel operation will be referenced with " Hazard Symbols " which appear throughout this manual, and will be referenced in conjunction with Safety " Message Alert Symbols ". PAGE 8 — DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04)
This generator , other property, or the surrounding environment could NOTE be damaged if you do not follow instructions. DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 9...
Turn all circuit breakers OFF before performing maintenance on the generator. PAGE 10 — DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04)
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There exists the broken parts. possibility of electrocution, electrical shock or burn, which can cause severe bodily harm or even death ! DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 11...
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UVWO output terminals. laws. See next page “ Towing Safety Precautions ” for basic towing techniques. PAGE 12 — DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04)
■ Use the trailer’s swivel jack to adjust the trailer height to a level position while parked. ■ Avoid sudden stops and starts. This can cause skidding, or jack-knifing. Smooth, gradual starts and stops will improve towing. DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 13...
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NFPA 110, Chapter 5-4.1). DO NOT remove the metal skids on the bottom of the generator. They are to resist damage to the bottom of the generator and to maintain alignment. DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 15...
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Also check the tire tread wear on both vehicles. ■ DO NOT transport generator with fuel in tank. ■ ALWAYS make sure the trailer is equipped with a "Safety Chain". Figure 3. Generator with Trailer PAGE 16 — DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04)
(empty). 4. Frame Length - Measurement is from the ball hitch to the rear bumper (reflector). DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 17...
DCA-125USJ — GENERATOR DECALS The DCA-125USJ generator is equipped with a number of safety decals (Figure 4). These decals are provided for operator safety and maintenance information. The illustration below and on the preceding page show the decals as they appear on the machine.
Use the cable selection chart (Table 5) as a guide Five output terminal lugs (3Ø power) for selecting proper extension cable size. Battery Charger (Optional) Water Heater (Optional) PAGE 20 — DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04)
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Figure 5. Major Components DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 21...
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NOTE PAGE PAGE 22 — DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04)
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(ON). be switched off. Voltage Regulator Control – Allows ±15% manual adjustment of the generator’s output voltage. DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 23...
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Engine Running – Indicates that engine is running at controller will evaluate the fault a safe operating speed. and all major faults will shutdown the generator. DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 25...
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The over current relay is lo- THIS fuse cated in the control box. Figure 14. Over Current Relay PAGE 28 — DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04)
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. t f . t f . t f building’s electrical system may occur t l u o r f t l o without this transfer switch. DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 29...
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) e l ) e l PAGE 30 — DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04)
AC Voltmeter Change-Over Switch to W-U and read the AC Voltmeter Gauge . Figure 18. AC Voltmeter Figure 19. AC Voltmeter Gauge Change-Over Switch (Volt reading on W-U Lug) DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 31...
3. Turn the voltage regulator knob (Figure 23) clockwise to position and the voltage increase voltage output, turn counterclockwise to regulator must be adjusted to decrease voltage output. 208V. Figure 24. Voltage Regulator Knob (139V/240V) PAGE 32 — DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04)
3. Turn the voltage regulator knob (Figure 25) clockwise to increase voltage output, turn counterclockwise to increase voltage output, turn counterclockwise to decrease voltage output. decrease voltage output. DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 33...
API Service Classification CC/SC immediately. API Service Classification CC/SD API Service Classification CC/SE API Service Classification CC/SF Table 10. Recommended Motor Oil OIL: SAE Figure 32. Internal Fuel Tank System PAGE 34 — DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04)
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WARNING: WARNING: WARNING: WARNING: WARNING: DO NOT OVER-FILL fuel system. Leave room for fuel expansion . Fuel expands when heated (Figure 36). Figure 36. Fuel Expansion DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 35...
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F - C ° F ° PAGE 36 — DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04)
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Tighten all hose clamps and check hoses for leaks. If any hose ( fuel or oil ) lines are defective replace them immediately. Figure 38. Battery Connections DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 37...
3. The output terminal lugs are protected by a plastic cover. Remove this cover to gain access to the terminals. Tighten terminal nuts securely to prevent load wires from slipping out. PAGE 38 — DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04)
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When a load is applied, LED (ON) the ammeter will indicate the amount of current that the load is drawing from the generator. Figure 48. Ammeter (No Load) DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 39...
Under normal operating conditions this speed is approximately 1800 RPM’s. Figure 53. Ammeter (Load) 17. The generator will run until manually stopped or an abnormal condition occurs. Figure 51. Engine Tachometer Gauge PAGE 40 — DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04)
1. Perform steps 1 through 5 in the Before Starting section as outlined in the Manual Starting Procedure . DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 41...
Figure 55. MPEC Control Switch (Off/Reset) 5. Verify that the all status LED on the MPEC display are OFF (not lit). 6. Remove all loads from the generator. PAGE 42 — DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04)
This can be reduced by keeping the tank full with diesel fuel. DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 43...
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If generator is mounted on a trailer, jack trailer up and place on blocks so tires do not touch the ground or block and completely remove the tires. PAGE 44 — DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04)
Flat Spots tire skidding. possible and adjust brakes. CAUTION: ALWAYS wear safety glasses when removing or installing force fitted parts. Failure to comply may result in serious injury. DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 47...
NOTE one listed indicates newest (or latest) part available. NOTE The contents of this catalog are subject to change without notice . PAGE 54 — DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04)
1 ....0602123261 ......UNIT, WATER TEMPERATURE Part number on this Suggested Spare Parts list may supercede/replace the P/N shown NOTE in the text pages of this book. DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 55...
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WHEN ORDERING ANY PAINTED PANEL TO INDICATE COLOR OF UNIT: 1-ORANGE 5-BLACK 2-WHITE 6-CATERPILLAR YELLOW 3-SPECTRUM GREY 7-CATO GOLD 4-SUNBELT GREEN 8-RED THE SERIAL NUMBER MAY BE REQUIRED. DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 67...
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0017110035 HEX, HEAD BOLT ..........4 ... S/N 8500015~ M3333000803 EXHAUST PIPE 0016908055 HEX, HEAD BOLT 0017110050 HEX, HEAD BOLT ..........4 ... S/N 8500015~ 0602325066 CLAMP DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 71...
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DCA-125USJ — FUEL TANK ASSY. FUEL TANK ASSY. PAGE 72 — DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04)
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PLAIN WASHER 0191302500 VENT HOSE 0605515109 HOSE BAND 0191301200 SUCTION HOSE 0191301200 RETURN HOSE 0605515109 HOSE BAND 0602042601 RETURN PIPE ..........1 ... RE67050 0222101000 TANK SHEET DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 73...
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NUMBER WHEN ORDERING ANY PAINTED PANEL TO INDICATE COLOR OF UNIT: 1-ORANGE 5-BLACK 2-WHITE 6-CATERPILLAR YELLOW 3-SPECTRUM GREY 7-CATO GOLD 4-SUNBELT GREEN 8-RED THE SERIAL NUMBER MAY BE REQUIRED. PAGE 74 — DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04)
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0019208020 HEX, HEAD BOLT ........... 26 ... S/N 8500041~ M3433000803 CENTER FRAME ..........1 ... S/N 8500001 TO 8500035 M3433000813 CENTER FRAME ..........1 ... S/N 8500036~ DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 75...
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NUMBER WHEN ORDERING ANY PAINTED PANEL TO INDICATE COLOR OF UNIT: 1-ORANGE 5-BLACK 2-WHITE 6-CATERPILLAR YELLOW 3-SPECTRUM GREY 7-CATO GOLD 4-SUNBELT GREEN 8-RED THE SERIAL NUMBER MAY BE REQUIRED. PAGE 76 — DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04)
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HEX, HEAD BOLT ..........2 ... S/N 8500001 TO 8500035 0605503062 FUEL LEAK DETECTION SWITCH ....1 ... S/N 840003~ M1414800104 BRACKET ............1 ... S/N 840003~ 0017108020 HEX HEAD BOLT ..........2 ... S/N 840003~ DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 77...
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NUMBER WHEN ORDERING ANY PAINTED PANEL TO INDICATE COLOR OF UNIT: 1-ORANGE 5-BLACK 2-WHITE 6-CATERPILLAR YELLOW 3-SPECTRUM GREY 7-CATO GOLD 4-SUNBELT GREEN 8-RED THE SERIAL NUMBER MAY BE REQUIRED. PAGE 78 — DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04)
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WASHER 0016908020 HEX, HEAD BOLT ........... 26 ... S/N 8500001 TO 8500040 0019208020 HEX, HEAD BOLT ........... 26 ... S/N 8500041~ 0601850097 STOPPER 0027208025 MACHINE SCREW M9310000004 DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 79...
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0228900565 RUBBER SEAL 0228900945 RUBBER SEAL 0228800505 RUBBER SEAL 0229201200 RUBBER SEAL 0228800635 RUBBER SEAL 0228800970 RUBBER SEAL 0228800595 RUBBER SEAL 0228100640 RUBBER SEAL 0228100370 RUBBER SEAL DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 81...
Freight is at the sender’s expense. All that date will be billed at the revised price. parts must be returned freight prepaid to Multiquip’s designated receiving point. PAGE 84 — DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04)
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NOTE PAGE DCA-125USJ — OPERATION AND PARTS MANUAL — REV. #0 (06/24/04) — PAGE 85...
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PARTS AND OPERATION MANUAL OPERATION AND PARTS MANUAL HERE'S HOW TO GET HELP PLEASE HAVE THE MODEL AND SERIAL NUMBER ON-HAND WHEN CALLING MQ POWER CORPORATE OFFICE 18910 Wilmington Ave. 800-421-1244 Carson, CA 90746 FAX: 310-632-2656 Email: mqpower@multiquip.com Internet: www.mqpower.com...
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