TM 5-6675-315-14
(13)
Turn on safety switch.
CAUTION
Do not energize section if incorrect phase lamp lights. Damage to equipment may result.
(14)
Check voltage and frequency as follows:
(a)
Push phase test switch. Observe correct phase lamp lights.
(b)
Turn phase switch to A.
CAUTION
Voltage must be between 110 and 120, and frequency must be at 60 +1 Hz on each leg before
turning on main circuit breaker or damage to equipment may result.
(c)
Read voltage on meter.
(d)
Read frequency on scale.
(e)
Repeat for positions B and C on phase switch.
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