Mobile Generator Disassembly/Assembly
wc_tx000575gb.fm 93
Continued from the previous page.
9.9.11 Check the voltage between Lug 1 and Lug 2 with a multimeter.
9.9.12 Adjust the VOLT pot of the AVR until 250 VAC is measured between
Lug 1 and Lug 2.Test the consistency by checking the voltage across
Lug 1 and Lug 2, Lug 2 and Lug 3, Lug 3 and Lug 1. Then, check the
voltage between each lug and Neutral. Approximately 139V should be
measured.
9.9.13 Shut down the machine. Change the voltage selector switch to the
480/277 position.
9.9.14 Start the machine.
9.9.15 Measure the voltage between Lug 1 and Lug 2. Adjust the voltage
adjusting rheostat until 480V is measured. Tighten the lock nut.
9.9.16 Test the consistency of the voltage by checking across Lug 1 and Lug
2, Lug 2 and Lug 3, Lug 3 and Lug 1. Then, check the voltage
between each lug and Neutral. Approximately 277V should be
measured.
This procedure continues on the next page.
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