TM 5-3610-257-14
CAUTION
Be sure safety switch is off before connecting power cable to avoid equipment damage.
(12)
Firmly connect the power cable to the power receptacle.
(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 Hz +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 position B and C on phase switch.
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