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 TM 55-1925-273-10-1
0094 00
SHIFTING TO SHORE POWER
1.
At the main switchboard:
NOTE
Place all electronic and unnecessary equipment on standby while shifting from ship power to
shore power.
a.
Ensure that the PHASE SEQUENCE METER (figure 2, item 1) indicates the correct phase of shore power.
4
1
2
3
Figure 2. Main Switchboard
! CAUTION
If the shore power phase meter indicates incorrect phasing of shore power, equipment will be
damaged. Refer to unit maintenance.
NOTE
Ensure that the shore power indicator light is ON, the shore power frequency meter indicates 60
Hz, and the shore power voltmeter indicates 440 volts.
b.
Set the GENERATOR 1 CKT. BKR. (figure 2, item 2) or GENERATOR 2 CKT. BKR. (figure 2, item 3) to OFF.
c.
Quickly set the SHORE POWER CKT. BKR. (figure 2, item 4) to ON, energizing the switchboards.
0094 00-3
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