TM 5-3610-253-14
CAUTION
Do not energize section if incorrect phase lamp lights. Damage to equipment
may result.
(14) Check voltage and frequency as follows:
Observe correct phase lamp lights.
(a) Push phase test switch.
(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 ci rcuit breaker or damage to equipment
may result.
(c) Read voltage on meter.
(d) Read frequency on seal e.
(e) Repeat for positions B and C on phase switch.
(15) Set main circuit breaker ON.
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