Manual on your machine before attempting any Title Part No. maintenance procedure. TEREX T25I & T45I Operator's Manual, ..... 133255 Basic mechanical, hydraulic and electrical First Edition skills are required to perform most procedures. However, several procedures require specialized TEREX T25I &...
August 2008 How to Read Your Serial Number Serial Number Legend The serial number plate on your T25I & T45I Super Quiet Generator is located on the twist lock area of the lower control panel. Part No. 134878 T25I & T45I Super Quiet Generator...
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August 2008 Section 1 • Safety Rules Safety Rules Danger Failure to obey the instructions and safety rules in this manual and the appropriate Operator's Manual on your machine will result in death or serious injury. Many of the hazards identified in the operator’s manual are also safety hazards when maintenance and repair procedures are performed.
Section 1 • Safety Rules August 2008 SAFETY RULES Personal Safety Workplace Safety Any person working on or around a machine must Be sure to keep sparks, flames and be aware of all known safety hazards. Personal lighted tobacco away from flammable and safety and the continued safe operation of the combustible materials like battery gases machine should be your top priority.
August 2008 Table of Contents Introduction Important Information - Introduction ..............ii How to Read Your Serial Number ..............iii Parts Stocking List .................... ix How to Order Parts .................... xi Service Parts Fax Order Form ................. xii Section 1 Safety Rules General Safety Rules ..................
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August 2008 TABLE OF CONTENTS Section 5 Schematics Introduction ....................5 - 1 Electrical Schematic - Control Panel Wiring for Murphy Cascade Controller ................5 - 2 Electrical Schematic - Control Panel Wiring for Murphy Cascade Controller w/Electronic Governor ........5 - 3 Electrical Schematic - Distribution Panel Wiring ...........
August 2008 Parts Stocking List Required Parts The following parts are required to perform maintenance procedures as outlined in the TEREX T25I & T45I Parts and Service Manual. Description Part No. Isuzu Models Oil Filter .............. 868075 Air Filter .............. 834460 Fuel Filter ............
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August 2008 How To Order Parts Please be prepared with the following information TEREX North America when ordering replacement parts for your TEREX Telephone (803) 324-3011 product: Toll Free (800) 433-3026 in U.S.A. and Canada Fax (803) 366-1101 Machine model number...
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 _________________________ T25I & T45I Super Quiet Generator Part No.
August 2008 Section 2 • Specifications Specifications REV A MODEL T25I T45I POWER CAPABILITY-PRIME kVA (kilovolt-amps) 3 Phase Amp Ratings 208V 240V 480V POWER CAPABILITY-STANDBY kVA (kilovolt-amps) kW (kilowatts) 3 Phase Amp Ratings 208V 240V 480V VOLTAGE 3 Phase 208, 220, 240, 416, 440, 480 Standard Standard 600 Volt...
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Section 2 • Specifications August 2008 SPECIFICATIONS REV A MODEL T25I T45I GENERATOR Brushless, 4 pole, Synchronous, Single-bearing Standard Standard 1,800 rpm, Class H Insulation Generator Standard Standard High wye, Low wye, Zig-zag Voltage Selector Standard Standard 3 Phase Voltage: 208, 220, 240,416, 440, 480 Standard Standard 600 Volt...
August 2008 Section 2 • Specifications REV A SPECIFICATIONS SAE FASTENER TORQUE CHART • This chart is to be used as a guide only unless noted elsewhere in this manual • A574 High Strength Grade 5 Grade 8 SIZE THREAD Black Oxide Bolts LUBED LUBED...
Section 2 • Specifications August 2008 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 1/2-13" Hex Head Screws for Lifting Channel Genset Isolators 2 - 4 T25I &...
August 2008 Section 3 • Scheduled Maintenance Procedures Scheduled Maintenance Procedures About This Section This section contains detailed procedures for each scheduled maintenance inspection. Each procedure includes a description, safety warnings and step-by-step instructions. Observe and Obey: Symbols Legend Safety alert symbol—used to alert Maintenance inspections shall be completed by personnel to potential personal a person trained and qualified on the...
August 2008 Section 3 • Scheduled Maintenance Procedures Maintenance Schedules REV A Isuzu Lubrication and Maintenance Service Intervals Every Every Every Every Every Every First 50 ITEM Daily 1000 1250 1500 Hours Hours Hours Hours Hours Hours Hours • Oil level and oil fouling •...
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Section 3 • Scheduled Maintenance Procedures August 2008 MAINTENANCE SCHEDULES CONTINUED REV A Newage Maintenance Service Intervals 250 Hours 1500 Hours 15000 4500 Hours ITEM DAILY or 3 or 12 Hours or 19 or 3 Years Months Months Years • Visual inspection •...
August 2008 Section 4 • Troubleshooting Troubleshooting Before Troubleshooting: Read, understand and obey the safety rules and operating instructions in the appropriate operator's manual on your machine. Be sure that all necessary tools and test equipment are available and ready for use. Observe and Obey: Be aware of the following hazards and follow generally accepted safe workshop practices.
Low generator output voltage Voltage adjustment Adjust voltage potentiometer set too low Defective potentiometer By pass or replace Low engine speed Call TEREX Service Loose wire on voltage Check wiring selector switch Fluctuating or surging Check engine fuel, oil, engine speed...
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Check engine fuel, oil, engine speed and air filters Loose wiring in generator Check connections Automatic voltage regulator Call TEREX Service stability setting may be wrong Loose wire on the automatic Check wiring voltage regulator sensing lead Low engine speed...
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Section 4 • Troubleshooting August 2008 TROUBLESHOOTING FAULT POSSIBLE CAUSE SOLUTION Low Speed Defective injectors on engine Have injectors checked by a qualified technician “Surging” engine speed Check engine fuel, oil, and air filters Engine turns over (cranks), Unit out of fuel Check fuel level in tank, fill as but won’t run needed...
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Have engine checked by a qualified technician Engine runs, but loses Unit is overloaded Reduce load speed Improper connection Check or Call TEREX Service Engine runs, but loses Clogged fuel system Check fuel system power under load air in fuel lines Blocked air intake...
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Section 4 • Troubleshooting August 2008 TROUBLESHOOTING FAULT POSSIBLE CAUSE SOLUTION Engine shuts down Overloaded engine Reduce load automatically and TROUBLE LIGHT on Broken fan belt Inspect fan belt and replace as CONTROL PANEL needed is illuminated Defective thermostat or Inspect thermostat thermocouple switch switch...
August 2008 Section 4 • Troubleshooting TROUBLESHOOTING Electrical Troubleshooting Generator Test resistance of field, stator and exciter windings. Contact TEREX for procedures or repair facility 5 Components that cause voltage recommended by generator manufacturer. related problems Potentiometer Procedure for testing generator with no output Connects to voltage regulator.
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If any further adjustment is needed to the voltage of generator it could cost you your life. Observe the generator please call TEREX at 1-800-433-3026 proper polarity when working with the regulator for assistance.
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August 2008 Section 5 • Schematics Schematics REV A About This Section There are two groups of schematics in this section. An illustration legend precedes each group of drawings. Electrical Schematics Observe and Obey: Electrocution hazard. Contact with electrically charged circuits could Troubleshooting and repair procedures shall be result in death or serious injury.
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Section 5 • Schematics August 2008 Control Panel Wiring for Murphy Cascade Controller REV A Drawing #ES100001 (Standard) 5 - 2 T25I & T45I Super Quiet Generator Part No. 134878...
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August 2008 Section 5 • Schematics Control Panel Wiring for Cascade w/Electronic Governor REV A Drawing #ES100000 (Optional) Part No. 134878 T25I & 45I Super Quiet Generator 5 - 3...
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Section 5 • Schematics August 2008 Distribution Panel Wiring for T25I & T45I Series Single Phase Control REV A Drawing #ES100003 5 - 4 T25I & T45I Super Quiet Generator Part No. 134878...
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August 2008 Section 5 • Schematics Three Position Stack Switch Wiring Drawing #ES100005 REV A Part No. 134878 T25I & 45I Super Quiet Generator 5 - 5...
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Section 5 • Schematics August 2008 Overcurrent Relay Wiring Drawing #ES100006 REV A 5 - 6 T25I & T45I Super Quiet Generator Part No. 134878...
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August 2008 Section 5 • Schematics Generator Wiring Breakdown Drawing #ES100007 REV A Part No. 134878 T25I & 45I Super Quiet Generator 5 - 7...
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Section 5 • Schematics August 2008 Standard Generator Wiring Drawing #ES1000008 REV A 5 - 8 T25I & T45I Super Quiet Generator Part No. 134878...
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California Proposition 65 Warning The exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Towing Checklist (Use at each stop) · Towing hitch is properly secured to tow vehicle Before Towing ·...