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 TM 55-1905-220-14-5
3-59. SHIPS' SERVICE MAIN SWITCHBOARD-MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
WARNING
ALL SOURCES OF POWER MUST BE TURNED OFF BEFORE PERFORMING
ANY MAINTENANCE PROCEDURES ON THE MAIN SWITCHBOARD. Failure to
do so will result in severe injury or loss of life.
REPAIR.
2.
Main
a. Iden-
1. Remove screw (1).
switch-
tifica-
board
tion
2. Remove knob (2).
plates
with
3. Remove screws (3) and
Switch (6) will
oval
lockwashers (4) from
be loose and
knobs
Identification plate
must be sup-
(5).
ported.
4. Remove Identification
plate (5).
5. Install switch (6).
Align holes of
switch with
front panel.
6. Install new Identifi-
cation plate, and se-
cure with lockwashers
(4) and screws (3).
7. Replace knob (2).
8. Install screw (1).
b. Iden-
1. Remove pistol-grip
Switch (11)
tifica-
knob (7), by gently
will be loose
tion
pulling it off Iden-
and must be
plates
tification plate
supported.
with
(10).
pistol-
grip
2. Remove screws (8) and
knobs
lockwashers (9).
3-1046
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