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Operator/Service & Parts Manual
T15/T25 GenPac
after serial number GGG-19214
First Edition
Rev A1
Part No. 833006

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Table of Contents
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Summary of Contents for Terex GenPac T15

  • Page 1 Operator/Service & Parts Manual T15/T25 GenPac after serial number GGG-19214 First Edition Rev A1 Part No. 833006...
  • Page 2: Table Of Contents

    Electrical Enclosure ..................40 Control Panel Assembly .................. 42 Distribution Panel Assembly ................44 Engine T25G ....................46 Engine T15G ....................48 Generator T15G & T25G ................. 50 Hitches ......................51 Tail Lights ......................52 Terex T15G and T25G Gen-Pac Generator...
  • Page 3: Operator's Manual

    Operator’s Manual March 2006 REV A Operator’s Manual Terex T15G and T25G Gen-Pac Generator...
  • Page 4: To The Operator

    This manual is compiled from information available and current at time of approval for printing. Terex reserves the right to improve its products without giving prior notice or incurring any obligation. If this manual becomes lost, order a new one from Terex so future operation and maintenance personnel may read these instructions.
  • Page 5: Safety Alert Symbols

    WARNING Identifies the hazard or unsafe practice that could result in severe injury or death. CAUTION Identifies the hazard or unsafe practice that could result in minor injury or property damage. NOTICE Identifies important installation, operation or maintenance information. Terex T15G and T25G Gen-Pac Generator...
  • Page 6: General Safety

    General Safety DO NOT SETUP OR OPERATE THE TEREX GEN-PAC GENERATORS WITH- OUT READING THIS OPERATOR’S MANUAL. DO NOT WORK ON OR OPERATE THE TEREX GEN-PAC GENERATORS WHILE UNDER THE INFLU- ENCE OF PERFORMANCE IMPAIRING DRUGS OR ALCOHOL. SAFETY ALERT SYMBOL Stop and take time to read ALL Safety alert messages.
  • Page 7 Have a fire extinguisher nearby. Be sure the extin- guisher is properly maintained and be familiar with its use. Extinguishers rated ABC by the NFPA are appro- priate for all applications. Terex T15G and T25G Gen-Pac Generator...
  • Page 8 DO NOT remove the vent caps when charging the battery. Always wear eye protection when servicing the battery. If acid gets on skin or eyes, immediately flush under running water and obtain medical attention. Terex T15G and T25G Gen-Pac Generator...
  • Page 9 Use the lifting eye for lifting the trailer (with cabinet). Make sure any tie-downs at the bottom of the trailer are released prior to lifting. NEVER CLIMB ON TOP OF THE CABINET. Terex T15G and T25G Gen-Pac Generator...
  • Page 10: Receipt Of Delivery Checklist

    March 2006 REV A Receipt of Delivery Checklist The generator will be serviced, tested and ready for operation upon delivery. Terex recommends the following checks: Insure there is no freight handling damage which should be charged against the carrier. Check the front jack for security and proper operation.
  • Page 11: Transport & Towing

    REV A Transport and Towing All trailer-mounted Terex Gen-Pac generators are designed for highway and off-road towing capability. Please consult state and local transportation codes before transporting the generator set. Additionally, all state and local traffic laws take precedence over the following instructions whenever differences arise between them.
  • Page 12: Setup

    5. Rotate the tongue jack into position (90 degrees), release the hitch pin and raise the tongue off the towing vehicle. THE WHEELS MUST BE PROPERLY CHOCKED IF THE GENERATOR IS ON UNLEVEL GROUND.DO NOT OPERATE THE GENERATOR SET UNTIL IT HAS BEEN PROPERLY SECURED. Terex T15G and T25G Gen-Pac Generator...
  • Page 13 8. Check all electrical connections to insure they are in the proper configuration and all connections are tight. THIS GENERATOR SET PRODUCES VOLTAGES THAT CAN CAUSE SEVERE SHOCK OR DEATH! ONLY QUALIFIED ELECTRICIANS SHOULD PERFORM ELECTRICAL WORK. Terex T15G and T25G Gen-Pac Generator...
  • Page 14: Operating Instructions

    3. Now that the generator set is running, allow five minutes for warm-up time. 4. Listen for any unusual sounds or excess vibrations that could signal problems and require immediate shutdown of the unit. Should unusual sounds be detected, shut the unit down, and contact the Terex Service Department at 1-800-433-3026.
  • Page 15 The needle on the ammeter will deflect to the right temporarily and then return to a normal reading if the unit is operating properly. Terex T15G and T25G Gen-Pac Generator...
  • Page 16 1. Switch the main generator breaker to the “off” position. 2. Allow the engine to run for 5 minutes under no load as a cool down cycle. 3. Stop the engine by turning the Engine On/Off Switch to the “OFF” position. Terex T15G and T25G Gen-Pac Generator...
  • Page 17: Maintenance

    The following maintenance intervals are only suggested by Terex. You should always check your engine owner’s manual for specific information. Should you find any discrepancies between the Terex Manual and the Engine Manufacturer’s Manual always follow the Engine Manufacturer’s Manual.
  • Page 18 -Replace air cleaner element. CLEANING: The Terex GenPac generators employ various electronic controls that may be damaged by liquid spray wash- ing or high pressure washing. Follow these procedures to prevent any damage to these components. DO NOT SPRAY WATER INTO THE UNIT WHILE IT IS RUNNING.
  • Page 19: Troubleshooting

    Automatic voltage regulator setting c. Check stability adjustment and may be wrong check engine governor for stability d. Loose wire on automatic voltage d. Check wiring regulator sensing lead Terex T15G and T25G Gen-Pac Generator...
  • Page 20 Blown fuse in DC control circuit c. Replace fuse d. Defective starter solenoid d. Replace solenoid e. Defective starter e. Replace starter f. Seized engine f. Have engined checked by a qualified technician Terex T15G and T25G Gen-Pac Generator...
  • Page 21 If you can not reach your local dealer, contact the factory Service Manager TOLL FREE at 1-800-433-3026. Terex T15G and T25G Gen-Pac Generator...
  • Page 22: Wiring Diagram - Kubota Gen-Pac Control Panel

    Operator’s Manual March 2006 REV A Kubota Gen-Pac - Control Panel Wiring Terex T15G and T25G Gen-Pac Generator...
  • Page 23: Wiring Diagram - Isuzu Gen-Pac Control Panel

    Operator’s Manual March 2006 REV A Isuzu Gen-Pac - Control Panel Wiring Terex T15G and T25G Gen-Pac Generator...
  • Page 24: Wiring Diagram - T25G Single Phase Distribution

    Operator’s Manual March 2006 REV A T25G Single Phase Distribution Wiring Terex T15G and T25G Gen-Pac Generator...
  • Page 25: Wiring Diagram - T15G Single Phase Distribution

    Operator’s Manual March 2006 REV A T15G Single Phase Distribution Wiring Terex T15G and T25G Gen-Pac Generator...
  • Page 26: Wiring Diagram - T15G & T25G Generator

    Operator’s Manual March 2006 REV A T15G and T25G Generator Wiring Terex T15G and T25G Gen-Pac Generator...
  • Page 27: Dimensions

    Axle Rating 3500 lb. (1588 kg) Tongue weight travel position 168 lb. (76kg) Total weight no fuel 1654 lb. (750kg) Fuel Capacity 30 gal. (114 l) Unit weight with full fuel tank 1871 (849kg) Terex T15G and T25G Gen-Pac Generator...
  • Page 28: Torque Specifications

    185-200 20mm 280-290 Generator Torque Specifications Generator FT*LB Flex Plate to Flywheel 12-15 Generator Case to Bellhousing 1/2" Socket Head Cap Screws for Lifting Channel 1/2" Hex Head Screws for Lifting Channel Genset Isolators Terex T15G and T25G Gen-Pac Generator...
  • Page 29: Parts Ordering Information

    Parts Catalog March 2006 REV A Parts Ordering Information Please be prepared with the following information Genie Industries when ordering replacement parts for your TEREX 18340 NE 76th Street product: P.O. Box 97030 Redmond, WA 98073-9730 Machine model number Telephone (877) 367-5606...
  • Page 30 All backordered parts will be shipped when available via the same ship method as the original order unless noted below: Ship complete order only - no backorders Ship all available parts and contact customer on disposition of backordered parts Other (please specify) TEREX U Order Number ______________ Origin Code ________________ Comments _________________________ Date Scheduled ____________...
  • Page 31: General Information

    NOTES and DESIGNATIONS This manual is compiled from information available and current at time of approval for printing. Terex reserves the right to improve its product without notice to follow its policy of constantly striving to manufacture a better product.
  • Page 32 Operator’s Manual March 2006 REV A This page intentionally left blank. Terex T15G and T25G Gen-Pac Generator...
  • Page 33 Parts Catalog March 2006 REV A Parts Catalog Section Terex T15G and T25G Gen-Pac Generator...
  • Page 34: Cabinet Assembly

    Parts Catalog March 2006 REV A T15G and T25G Cabinet Assembly Terex T15G and T25G Gen-Pac Generator...
  • Page 35 PIN QUICK 1/4 X 1.75 ZP 109472 KIT: DECALS FOR MODEL T25G, NOT SHOWN 109473 KIT: DECALS FOR MODEL T15G, NOT SHOWN 853792 DECAL: TEREX 4.5" X 43" BLACK CUT VINYL C52100100 DECAL: CALIF.PROP 65 CR51A101 DECAL: WARNING-IMPROPER GROUNDING CU51A102...
  • Page 36: Trailer Frame/ Tongue/ Fuel Tank

    Parts Catalog March 2006 REV A T15G and T25G Trailer Assembly Terex T15G and T25G Gen-Pac Generator...
  • Page 37 COUPLER, 2", #980P-2, ZP, BOLT-ON 841430 JACK, SIDEWIND, LONG, 3KLB 840222 JACK SNAP RING Z52475 DECAL, LABEL TRANSPORT, TIEDOWN 188631 FUEL TANK PAN FOR 20GAL TANK 189805 FUEL TANK, 20 GALLON 742240-1 TANK CAP, NO-GAUGE Terex T15G and T25G Gen-Pac Generator...
  • Page 38: Axle Assembly

    Parts Catalog March 2006 REV A T15G and T25G Axle Assembly Terex T15G and T25G Gen-Pac Generator...
  • Page 39 TIRE & WHEEL MOUNTED P205/75-15 LOAD B2 840376 AXLE, WHEEL NUT 840395 AXLE, SPRING NUT 840392 AXLE, REAR HANGER 840394 AXLE, SPRING BOLT 841473 AXLE, SHACKLE 834246 SPRING EYE BUSHING 834211 SPRING FOR AXLE, 4-LEAF 841051 AXLE, FRONT HANGER Terex T15G and T25G Gen-Pac Generator...
  • Page 40: Electrical Enclosure

    Parts Catalog March 2006 REV A T15G and T25G Electrical Enclosure Terex T15G and T25G Gen-Pac Generator...
  • Page 41 HINGE, LIFT-OFF, STEEL C51200000 LATCH, BLACK, KEY LOCK, ADJ T-HANDLE, T25 C51101000 LATCH, BLACK, T15 66812 E-STOP, PUSH BUTTON, MUSHROOM HEAD ASSEMBLY 66817 EMERGENCY STOP, BASE WITH 1 N.C. CONTACT 686662 EMERGENCY STOP, FACE PLATE Terex T15G and T25G Gen-Pac Generator...
  • Page 42: Control Panel Assembly

    Parts Catalog March 2006 REV A T15G and T25G Control Panel Assembly Terex T15G and T25G Gen-Pac Generator...
  • Page 43 RELAY BASE, 50A CDWV40150 RELAY, 50A C43100400 METER, FREQUENCY, 55-65HZ C43100600 METER, VOLT, DUAL, 0-300/600 C43100500 METER, AMP, 0-100 C42200500 POTENTIOMETER, VOLTAGE ADJUST, 1K, 10 TURN 684380 SWITCH, IGNITION, LEVER OPERATED C42401700 RELAY, OVER CURRENT, CROMPTON Terex T15G and T25G Gen-Pac Generator...
  • Page 44: Distribution Panel Assembly

    Parts Catalog March 2006 REV A T15G and T25G Distribution Panel Assembly Terex T15G and T25G Gen-Pac Generator...
  • Page 45 ITEMS 28 - 37 INCLUDED IN DECAL KIT 853813 ITEMS 28 - 37 INCLUDED IN DECAL KIT 853813 CU51A400 INCLUDES ITEMS 34-37 INCLUDED IN ITEM 34 INCLUDED IN ITEM 34 INCLUDED IN ITEM 34 Terex T15G and T25G Gen-Pac Generator...
  • Page 46: Engine T25G

    Parts Catalog March 2006 REV A T25G Isuzu Engine Terex T15G and T25G Gen-Pac Generator...
  • Page 47 C90203100 HOSE FITTING, PIPE/BARB,1/4M X 1/4HB C91100700 HOSE, FUEL, 3/8" 868069 NOZZLE ASSEMBLY 868070 FUEL PUMP ASSEMBLY 868068 FUEL INJECTION PUMP C42300100 SWITCH, OIL PRESSURE SENDER 868086 STOP SOLENOID 868077 ALTERNATOR 868076 STARTER ASSEMBLY Terex T15G and T25G Gen-Pac Generator...
  • Page 48: Engine T15G

    Parts Catalog March 2006 REV A T15G Kubota Engine Terex T15G and T25G Gen-Pac Generator...
  • Page 49 RADIATOR KIT 740620 FUEL FILTER, IN-LINE 839109 UPPER RADIATOR HOSE 866090 ALTERNATOR 839190 LOW OIL PRESSURE SWITCH 865276 MUFFLER 832128 MUFFLER GASKET 839110 LOWER RADIATOR HOSE 866394 WATER PIPE 865054 WATER HOSE 866101 STARTER Terex T15G and T25G Gen-Pac Generator...
  • Page 50: Generator T15G & T25G

    RECTIFIER SERVICE KIT CL-008 DECAL: DO NOT CHANGE POSITION OF SELECTOR SWITCH C42201102 SWITCH, 3POSITION, ZZ, 20-30 KW 990210 WASHER FLAT 1/2 189335 GENERATOR MOUNT BAR 740920 VIBRATION MOUNT, 390LB 830001 OPERATION MANUAL, BCI MODELS Terex T15G and T25G Gen-Pac Generator...
  • Page 51: Hitches

    RING HITCH BOLT-ON, 2-1/2 ID 124450 ADJUSTABLE HEIGHT HITCH, 24" 221580 ADJUSTABLE HEIGHT HITCH, 18" TO 36" 211410 RING HITCH FOR ADJ. HEIGHT HITCH, 2 1/2" ID 841200 RING HITCH FOR ADJ. HEIGHT HITCH, 3" ID Terex T15G and T25G Gen-Pac Generator...
  • Page 52: Tail Lights

    March 2006 REV A T15G and T25G Stop, Tail, and Tag LIght ITEM # PART # DESCRIPTION QTY. 663525 LIGHT, SIDE MARKER, AMBER 663520 LIGHT, LICENSE TAG W/BRACKET 663840 LIGHT, TRAILER, RECESSED ,STOP, TURN, TAIL Terex T15G and T25G Gen-Pac Generator...

This manual is also suitable for:

Genpac t25

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