Service Tools
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Personal injury or death can result from high voltage. When power generation equipment must be in operation to make tests and/or adjustments, high voltage and current are present. Improper test equipment can fail and present a high voltage shock hazard to its user. Make sure the testing equipment is designed for and correctly operated for high voltage and current tests being made. |
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| TOOLS NEEDED | ||
| Part Number | Tool | Quantity |
| 6V-7070 | Digital multimeter Used to measure voltage, resistance, or current up to 10 A. Rectifiers can be checked by using the diode function. Refer toSpecial Instruction, SEHS7734. |
1 |
| 9U-7330 | Digital multimeter (optional) Used to measure voltage, current, frequency, duty cycle, and capacitance. |
1 |
| 225-8266 | AC/DC clamp-on ammeter. Used to measure current up to 1200 A. When you measure the line current on multiple lead units, measure the current in each conductor per phase and add the currents together. |
1 |
| 142-5055 | Insulation Tester (megohmmeter) Used to measure the insulation resistance of the main armature, main field, exciter armature, and exciter field. |
1 |
| - | A Milliohmmeter (Wheatstone Bridge) Used to measure the winding resistance of the main armature and the exciter field. |
1 |
Caterpillar Information System:
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