TM 32-5985-343-14&P
h. Lowering Tower. The tower must be lowered
i. Elevator Tracks With Tower Lowered. Refer to
before the tower adapter or any tower section can be
removed. A 1-ton winch truck will be needed. Refer to
(1) Detach six splice plates (24) from six
track assemblies (4) and top track assemblies Nos. 1 (1)
(1) Remove the following:
and 2 (16) by removing 12 bolts (21), nuts (22), and
lockwashers (23).
(2) Detach six track assemblies (4) from track
(b) Antenna
carriage
assembly
supports Nos. 1 through 9 (11, 10, 15, 9, 8, 7, 6,5, and
3) by removing 36 bolts (21), nuts (19), and lockwashers
(c) Elevator assembly (paragraph 2-
(20).
(3) Detach top track assemblies Nos. 1 (1)
(d) Elevator hoist (paragraph 5-10e).
and 2 (16) from track support No. 10 (2) by removing
(2) Assemble gin pole on gin pole pier. See
four bolts (21), nuts (19), and lockwashers (20), and
detach top track assemblies Nos. I (1) and 2 (16) from
(3) Install tower hoist. See paragraph 2-12b.
channel support assembly No. 1 (17), on tower adapter
WARNING
by removing eight bolts (18), nuts (19), and lockwashers
Truck winch and hoist cables must
(20).
have minimum workload rating of 1
(4) Detach track supports Nos. 1 through 9
ton. Winch truck must be able to
(11, 10, 15, 9, 8, 7, 6, 5, and 3) by removing 20 bolts
effectively brake, lower, and safely
(12), nuts (13), and lockwashers (14).
hold this 1-ton load.
(4) Park 1-ton winch truck at least 75 feet
from face A of tower.
and 16 type B grating clamp assemblies (2) by
(a) Attach trunk winch cable (13) from
removing, for each, bolt (8), nut (11), lockwasher (10),
winch truck to tower adapter (14) at tower legs B (12)
flat washers (12 and 13), and type A or type B grating
and C (11).
clamp (9 or 14). Remove tower grating assemblies Nos.
1 through 5 (5, 7, 1, 6, and 4).
(b) Wrap truck winch cable (13) twice
around each corner B and C and fasten it to itself to
form a sling with legs of equal length.
(1) Detach winch support brace from scaffold
(5) Attach multiple-leg sling assembly (1) to
support plate (10) and from scaffold winch assembly
tower legs B (12) and C (11) at bottom of tower section
(31) by removing two bolts (11), nuts (4), and
No. 4. See detail in figure 5-9.
lockwashers (5).
(6) Remove four nuts (19) and lockwashers
(2) Detach winch (32) from winch support (1)
(20) that secure tower support (6) to pier A and remove
by removing two bolts (3), nuts (4), and lockwashers (5).
one flat washer (21) and ground wire assembly (22).
(3) Detach winch support (1) from winch
(7) Lower tower.
support assembly (31) by removing two bolts (6), nuts
(7), and lockwashers (8).
(a) With winch truck, start pivoting
tower, and with tower hoist (3), restrain tower until it is
(4) Detach winch support assembly (31) from
horizontal.
channel support assemblies Nos. 2 (18) and 3 (28) by
removing two bolts (16), nuts (13), lockwashers (14),
(b) As gin pole (5) and erection cable
and square beveled washers (15).
(2) come together, make erection cable (2) engage
cable slot at top of gin pole.
I. Horizontal Tracks of Tower Adapter. Refer to
(c) Make sure that erection cable rides
in that slot as tower is lowered further.
(1) Detach horizontal tracks Nos. 1 (17) and 2
(27) from short track brace (30) and channel support
(8) Place blocks under legs B (12) and C (11)
assemblies Nos. 2 (18) and 3 (28) by removing four
approximately 2 feet from top of tower section. These
bolts (29), nuts (4), lockwashers (5), and square beveled
blocks must be able to support 2,000 pounds and should
washers (19).
be high enough to keep tower horizontal.
(2) Detach horizontal tracks Nos. 1 (17) and 2
(9) Remove all truck winch and tower hoist
(27) from four track angles (20) by removing four bolts
rigging from tower.
(11), nuts (4), lockwashers (5), and square beveled
washers (19).
5-18
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