TM 11-5841-287-12
(e) Loosen and remove latch mech-
nuts from four shock isolators that secure encoder mount
to pallet and remove encoder mount from pallet.
anisms on uhf radio mount from clamps on the uhf
(g) Remove screws that secure four shock
receiver-transmitter front panel.
(f) Slide uhf receiver-transmitter forward
isolators to mounting base and remove shock isolators
from mounting base.
and remove it from mount.
(2) Replacement.
(2) Replacement.
(a) Mount four shock isolators on
(a) Place uhf receiver- transmitter on uhf
mounting base and secure with four screws.
radio mount and slide toward rear of the mount until uhf
(b) Place encoder mount on pallet and
receiver-transmitter back panel connector makes firm
secure four shock Isolators to pallet with screws, flat
contact with mount connector.
(b) Replace latch mechanisms on uhf
washers, and nuts.
radio mount over clamps on uhf receiver-transmitter
NOTE
panel and tighten latch mechanism.
Shock Isolators are installed with ground
(c) Attach safety wire to two latch
straps included
mechanisms on uhf radio mount.
(c) Install pallet in bay 1 and lock in place
(d) Connect cable connectors to uhf
by replacing two quick disconnect pins securing pallet
receiver-transmitter front panel connectors as shown in
retaining brackets to pallet tracks (fig 3-1).
(d) Replace encoder per b(2) above.
e. Removal and Replacement of Uhf Radio
(e) Replace uhf receiver-transmitter per
Control.
d(2) above.
(1) Removal.
(f) Connect cable connectors to inter-
(a) Set POWER switch on data link
connection box and air pressurization unit per TM 11-
control to OFF.
5895-1078-20.
(b) Loosen eight, quarter-turn fasteners
(g) Connect air line to radar receiver-
that secure front panel of uhf radio control to aircraft.
transmitter per TM 11-5895-1078-20.
(c) Pull uhf radio control from the mount-
h. Removal and Replacement of Uhf Radio Mount
ing panel until rear of unit and connecting cable are
accessible.
(1) Removal.
(d) Disconnect cable connector from
(a) Remove uhf receiver-transmitter per
rear connector of uhf radio control and remove unit.
d(1) above.
(2) Replacement.
(b) Remove encoder per b(1) above.
(a) Connect
cable
connector
to
(c) Disconnect cable connectors from
connector on rear of uhf radio control.
interconnection box and air pressurization unit per TM 11-
(b) Push cable back into its recess area
5895-1078-20.
and slide uhf radio control into bulkhead. Make sure that
(d) Disconnect air line from radar receiver-
cable is not pinched.
transmitter per TM 11-5895-1078-20.
(c) Tighten eight, quarter-turn fasteners
CAUTION
on uhf radio control front panel.
Be careful to clear cable harness when
f.
Removal and Replacement of Uhf Antenna.
removing pallet in the following step.
Refer to applicable aircraft electronics configuration
(e) Remove pallet from bay 1 by remov-
technical manual.
ing two quick disconnect pins from two pallet retaining
g. Removal and Replacement of Encoder Mount
brackets (fig 3-1) and sliding pallet from equipment bay.
(f) Remove screws, flat washers, and
(1) Removal.
nuts from four shock Isolators and remove uhf radio mount
(a) Remove encoder per b(1) above.
from pallet.
(b) Remove uhf receiver-transmitter per
(g) Remove screws that secure four shock
d(1) above.
isolators to mounting base and remove shock isolators
(c) Disconnect cable connectors from
from mounting base.
interconnection box and air pressurization unit per TM
(2) Replacement.
11-5895-1078-20.
(a) Secure shock isolators to mounting
(d) Disconnect air line from radar
base with four screws.
receiver-transmitter per TM 11-5895-1078-20.
(b) Place uhf radio mount on aircraft pallet
CAUTION
and secure shock isolators to pallet with screws, flat
Be careful to clear cable harness when
washers, and nuts.
removing pallet in the following step
NOTE
(e) Remove pallet from bay 1 by remov-
Rear shock Isolators are installed with
ing two quick disconnect pins from two pallet retaining
ground straps included.
brackets (fig 3-1) and sliding pallet from equipment bay.
(f) Remove screws, flat washers, and
3-6
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