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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/
No.
D
W
M
Q
S
A
Serviced
CONTROL CENTERS/SWITCHBOARDS - CONT
(10) Inspect for frayed, chipped, cracked or burnt
Ship
86
q
insulation. Touch up with air-drying varnish,
Service/Emer-
where necessary (MIL-E-15090).
gency
Switchboard -
NOTE
CONT
Never apply varnish to a
dirty surface. Avoid
building up excess varnish.
(11) Ensure no loose items are left inside switchboard.
(12) Close or reinstall access covers.
(13) Remove wire or reconnect starting motor, as
applicable.
(14) Remove all tags; set up switchboard and perform
operational checks per TM 55-1905-223-10.
a. Preliminary.
87
Ship
q
Service/Emer-
NOTE
gency
Switchboard
Maintenance procedures for
Draw-Out
Ship Service and Emergency
Circuit
Generator switchboards are
Breakers
the same.
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