TM 32-5985-342-14&P
Section IV. MAINTENANCE OF ANTENNA TOWER TS-9A
(3) Remove hex nut and tower step that
repair, and reassemble the antenna tower in accordance
secure control mount plate (7) to tower leg. Remove
with the instructions listed below.
control mount plate.
(4) Remove wraplock (4) that secures conduit
NOTE
(5) to top tower brace. Remove four locknuts (13),
Be sure elevator assembly is lowered
union (13), fitting (6), rigid conduit (5), four lamps (1),
to the ground.
and two dual obstruction lights (2).
(5) Remove hardware that secures junction
a. Primary Power Disassembly.
box (15) to top tower brace. Remove junction box.
WARNING
Death or injury may result from
(1) Remove locknut (6), hex nut (5), and flat
contact with electrical connections.
washer (1) from stud (7). Lift ground wire assembly (2)
Disconnect power before servicing
from stud. Replace flat washer, hex nut, and locknut on
any electrical equipment.
stud. Secure hardware.
(2) Loosen ground rod clamp (3). Remove
(1) Turn aviation lights switch to OFF (figure
ground wire assembly (2) from ground rod (4).
(3) Pull ground rod (4) out of ground.
(2) Turn aviation lights, elevator hoist, and
e. Elevator
Assembly
Disassembly/Removal.
convenience outlets No. 1 and No. 2 circuit breakers to
Refer to figure 2-11.
OFF (figure 3-2).
(1) Remove locknut (11), hex nut (10), and
(3) Perform
procedures
described
in
bolt (9) that secure winch bracket (12). Remove winch
bracket.
(2) Remove six locknuts (7), hex nuts (6),
and bolts (14) that secure two elevator tracks (1, 23) and
track angles (24) to elevator. Remove the two elevator
(1) Remove hex nut (5), lockwasher (4), and
tracks.
bolt (3) that secure convenience outlet (2) to junction
(3) Remove six locknuts (7), hex nuts (6),
box mount plate (6). Remove convenience outlet.
and bolts (14) that secure six track angles (24) to
(2) Remove four hex nuts (5), lockwashers
elevator tracks (1,23). Remove six track angles.
(4), and bolts (3) that secure junction box assembly (7)
(4) Remove two locknuts (7), hex nuts (6),
to junction box mount plate (6). Remove junction box
and bolts (5) that secure diagonal brace (27) to vertical
assembly.
braces (2, 19). Remove diagonal brace.
(3) Remove hex nut and tower step that
(5) Remove four locknuts (7), hex nuts (6),
secure junction box mount plate (6) to tower leg.
and bolts (5) that secure assembled horizontal
Remove junction box mount plate.
braces (8,13,15,26) to diagonal braces (3,17) and
(4) Remove hex nut (5), lockwasher-(4), and
horizontal brace (25). Remove assembled horizontal
bolt (3) that secure convenience outlet (2) to
braces (8,13,15,26).
convenience outlet mount plate (1).
Remove
(6) Remove two locknuts (7), hex nuts (6),
convenience outlet.
and bolts (5) that secure lower end of two diagonal
(5) Remove hex nut and tower step that
braces (3, 17) to vertical braces (2,19). Remove two
secure convenience outlet mount plate (1) to tower leg.
diagonal braces.
Remove convenience outlet mount plate. Install tower
(7) Remove four locknuts (7), hexnuts (6),
step and secure with hex nut.
and bolts (5) that secure horizontal braces (8,13,15,26).
Remove four horizontal braces.
(1) Disconnect and remove two watertight
(8) Detach hoist cable from lower horizontal
connectors (11) and three conductor cables (14)
brace (4).
between lighting control panel (12) and junction box
(9) Remove four locknuts (7), hex nuts (6),
(15).
and bolts (5) that secure two vertical braces (2,19).
(2) Remove four hex nuts (8), lockwashers
Remove two vertical braces.
(9), and bolts (10) that secure lighting control panel (12)
(10) Remove six locknuts (7), hex nuts (6),
to control mount plate (7). Remove lighting control
and bolts (5) that secure two horizontal elevator braces
panel.
(4,16) to lower sleeve assemblies.
Remove two
horizontal elevator braces.
7-2
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