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 Preventive Maintenance Checks and Services
Table 2-1.
S - Semiannually
A - Annually
Q - Quarterly
D - Daily W - Weekly M - Monthly
Items To Be
Interval
Item
Procedures
Inspected/
M
Q
S
A
No.
D
W
Serviced
CONTROL CENTERS/SWITCHBOARDS - CONT
a. Preliminary.
Ship
88
q
Service/Emer-
(1) Obtain permission from engineering officer to test
gency
switchboard instruments.
Switchboard
Measuring
(2) Observe shipboard security regulations.
Instruments.
(3) Notify watch standers and equipment operators that
electrical switchboard instruments are being
tested. Do not energize electrical equipment
except for emergencies until further notice.
Inspect the switchboard, components, and electrical
b.
measuring instruments, as follows:
(1) Inspect all switchboard electrical indicating
instruments for obvious damage such as broken
glass or bent pointers.
(2) Switchboard power distribution meters, i.e.,
wattmeters, should be cross-checked with those
meters installed on alternate or emergency
switchboards. Check meters as follows:
(a) Note the values indicated on those
switchboard instruments being tested.
Immediately thereafter, transfer the power
load to the alternate ship service or
emergency switchboard and note the values
indicated on corresponding instruments.
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