TM 5-6350-264-14&P-10
NAVELEX EE 181-AA-OMI-110/E121 C-9412
T.O. 31S9-2FSS9-1-10
g.
To remove fuse F1l, turn off switch S1 on
l.
To install new PC boards Al through All,
top of power supply. Grasp knob on top of
note that boards A1 through A6 are
fuse holder and unscrew about 1/4-turn.
identical and may be installed in any slot,
Pull knob straight out; fuse will come with it.
one through six. Each of these boards are
Pull fuse out of knob.
marked A1, 2, 3, 4, 5, 6. PC boards A7
through All are all different and each board
h.
To install new fuse, insert end of fuse into
is keyed to fit only in the correct slot.
knob of fuse holder. Insert other end of
These boards are marked A7, or A8, or A9,
fuse into holder, push down on knob, and
or A10, or A11. Turn all PC boards so that
screw in about 1/4-turn to lock. Turn on
plastic board ejector is toward top. Align
switch S1 on top of power supply.
board with guides at top and bottom of
status processor. Slide board straight in
i.
To remove status processor, turn off
until it contacts receptacle at back of
switch S1 on top of power supply. Tag and
processor. Then press firmly on board until
disconnect Data Transmitter wires from
it seats completely in receptacle. To install
TB6 and TB7. Remove screws that secure
a new A12 PC board, remove board A11.
Transmitter to standoffs in CU. Be careful
Align sockets on board with pins on PC
not to drop Transmitter inside CU. Remove
board All. CAREFULLY press A12 until
Data Transmitter. Loosen two screws that
pins are fully engaged in sockets. Ensure
secure plug P1 to bottom of status
that pins on All are not bent or otherwise
processor. Pull plug P1 straight down to
damaged. Install PC board A11. Turn on
disconnect it. Remove screws that secure
switch S1 on top of power supply.
status processor to top of CU enclosure
and it will drop straight down.
m.
To remove LATCH/NON-LATCH switch
turn off switch S1 on top of power supply.
j.
To install new status processor, position it
Remove hex nut and lock washer from
under standoffs in top of CU. Insert screws
switch. Push switch through hole in panel.
and tighten to secure status processor.
Catch keyed washer when it drops out. It
Insert plug P1 into connector on bottom of
may be necessary to cut one or two cable
processor, and push up. Tighten screws to
ties in order to pull switch out far enough to
secure plug P1. Position Data Transmitter
disconnect wires. Tag wires and use a
over standoffs in CU and insert screws.
soldering iron of 50 watts maximum to
Tighten screws to secure Transmitter.
remove wires from switch terminals.
Connect wires to TB6 and TB7 in CU. Turn
on switch S1 on top of power supply.
n.
To install new LATCH/NON-LATCH switch,
see figure 5-3 for switch terminal and wire
k.
To remove PC boards from status
identification. Use a soldering iron of 50
processor, turn off switch SI on top of
watts maximum to connect wires to switch
power supply. To remove board Al through
terminals. Replace any cable ties that were
All, place thumb or finger under board
removed for switch removal. Place keyed
ejector and lift up until board pops out of
washer over switch. Ensure that tang on
receptacle at back of status processor.
washer projects forward so it will engage
Then grasp PC board and pull straight out.
hole in panel under switch hole. Insert
To remove board A12, CAREFULLY pull
switch through hole in panel from the rear.
straight out to unplug it from PC board All.
Place lock washer and hex nut over
Ensure that pins on All are not bent or
threaded portion of switch, and tighten hex
otherwise damaged.
nut to secure switch. Turn on switch S1 on
top of power supply.
5-123
