TM 11-5895-846-14
take-up device and tighten-up any slack cable. Lock the
WARNING
cable locking handle.
Wear work gloves while performing
(14) Repeat steps (12) and (13) above.
any of the anchoring and tie-down
(15) Observe the level on the rear leg
procedures to protect the hands.
assembly. Rotate the take up handle on each take-up
(1) Remove storage bags SM-C-937355-1, -
device to tighten the tie-down cables. Alternately tighten
2 and - 3 (fig. 2-4). Remove the following items from the
each side to maintain a level condition.
bag:
CAUTION
(a) Two antenna tie-down assemblies
When tightening, observe the cable at
(take-up devise with cable) (fig. 2-15, sheet 1).
the tension hook. Do NOT over-
(b) Drive bar head.
tighten such that the green band
(c) Drive bar holding aid.
(d) Two 8-inch anchor (fig. 2-4).
indicator on the cable inside the hook
(e) An arrowhead drive bar (fig. 2-4).
becomes exposed.
(2) Locate an anchor point approximately 36
inches (0.9m) behind the center of a 16-inch side ground
pad and in line with its outer edge (fig. 2-14).
NOTE
(3) Repeat step (2) above for the other side.
The following procedure applies for
(4) lace an arrowhead ground anchor at one
anchoring the shelter directly on the
of the anchor points. Place the recessed end of the
ground.
ground anchor drive bar rod over the shaft of the
(1) The selected site should be on level
arrowhead ground anchor.
ground.
(5) Using the holding aid and drive bar head
(2) Locate the anchoring points not more than
over the arrowhead drive bar, drive the arrowhead
5 feet from the shelter corners.
ground anchor (with attached cable) straight down to a
(3) At each anchor point drive an arrowhead
depth of approximately 31/2 feet (1.07m).
ground anchor (with attached cable) straight down to a
(6) Attach the tension hook of the take-up
depth of approximately 31/2 feet (1.07m).
device to the guy ring on the antenna pillow block (same
(4) Attach the cable-end hook of a tie-down
side).
assembly to a shelter guy ring.
(7) On the take-up device rotate the take-up
(5) On the take-up device rotate the take-up
handle to fully extend the screw-bolt-end hook from the
handle to fully extend the screw-bolt-end hook from the
take-up device.
take-up device.
(8) Lift the safety catch and unlock the cable
(6) Lift the safety catch and unlock the cable
locking handle. Extend the cable through the take-up
locking handle. Extend the cable through the take-up
device until the screw-bolt-end hook reaches the ground
device until the screw-bolt-end hook reaches the ground
anchor cable.
anchor cable.
(9) Attach the screw-bolt-end hook to the O-
(7) Attach the screw-bolt-end hook to the O-
ring of the ground anchor cable.
ring of the ground anchor cable.
(10) Pull slack cable through the take-up
(8) Pull slack cable through the take-up
device until the cable is tight. Lock the cable locking
device until the cable is tight. Lock the cable locking
handle.
handle.
(11) Repeat steps (4) through (10) above to
(9) Repeat steps (4) through (8) above to
install the ground anchor and tie-down assembly on the
install the tie-down assemblies on the remaining three
other side.
corners of the shelter.
(12) Tug inward (toward the antenna structure)
(10) Tug inward (toward the shelter corners)
on each tie-down cable to stabilize the ground anchor
on each tie-down cable to stabilize the ground anchor
and to pull the below-ground anchor cable more in line
and to pull the below-ground anchor cable more in line
with the actual tie-down slope angle.
with the actual tie-down slope angle.
(13) Unlock the cable locking handle on each
(11) On each take-up device, unlock the cable
locking handle and tighten-up any slack cable. Lock the
cable locking handle.
Section V. PRELIMINARY ADJUST OF EQUIPMENT
b.
Check the transmit waveguide flange
2-20. Checking Cable and Ground Connections
connections for proper fit and tightness at the antenna or
Check antenna and ground cables as follows (fig. 2-10):
the mode transducer and shelter antenna entry panel.
a. Check antenna cables for proper termination at
Improper connections at these points will activate the
the antenna mounted electronics units and at the shelter
proximity switches (waveguide interlocks) and inhibit the
antenna entry panel.
2-33
