4-70. MASTER SWITCH. (cont)
b. Removal. (cont)
(5) On front of panel, remove nut
(5).
This allows removal of MASTER
SWITCH from back of control panel.
(6) Remove
lockwasher (6) and
locking ring (7) from MASTER SWITCH.
c.
Installation.
(1) Screw locking ring (7) onto
MASTER SWITCH (8).
(2) Place lockwasher (6) on top
of locking ring.
(3) From back of control panel,
insert threaded portion of new switch
through mounting hole.
(4) On front of control panel,
secure switch with nut.
Tighten nut
until switch is securely mounted.
A R M Y
TM 5-6115-612-12
MARINE CORPS TM 6115-12/7
AIR FORCE
TO 35C2-3-471-1
N A V Y
AG-320B0-0MM-000
a.
Removal.
WARNING
To prevent injury, ensure that
battery is
disconnected before
performing
maintenance
on
electrical components.
(1) Disconnect battery cable plug
connector from battery.
(2) Open
control
d o o r.
open
from
(15,
(11)
(3) Loosen turnlock
control panel.
panel
access
fasteners and
(4) Tag
and disconnect wiring
terminals of panel light socket
figure 4-43).
(5) Remove cover (10) and lamp
from front of control panel.
(5) Remove
tags
and
connect
wiring to terminals on back of MASTER
SWITCH.
(6) Close
control
panel
and
secure with turnlock fasteners.
(7) Close control
panel
access
door.
(8) Connect battery cable plug
connector to battery.
4-71.
HOURMETER.
Maintenance of the
HOURMETER (9, figure 4-43) con-sists
of replacement.
Replacement procedures
for the HOURMETER are the same as those
for
the
BATTERY CHARGING ammeter
(paragraph 4-69).
4-72.
PANEL LIGHTS.
Maintenance of
the
panel
lights
consists of
replacement of the lamp socket.
(6) Remove nut (12). This allows
removal of the panel light socket from
back of panel.
(7) Remove lockwasher (13) and
locking
ring (14) from panel light
socket (15).
b.
Installation.
(1) Screw locking ring (14) onto
panel light socket (15).
(2) Place lockwasher (13) on top
of locking ring.
(3) From back of control panel,
insert new panel light socket through
mounting hole.
(4) On front of panel, secure
socket with nut (12).
Tighten nut
until socket is securely mounted.
4-135
