Quantcast Install - TM-5-5420-279-230795

 

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LAUNCH FRAME - LOWER WINCH ROPE
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TM-5-5420-279-23 Dry Support Bridge (DSB) (NSN
Next
Install-continued - TM-5-5420-279-230796
TM 5-5420-279-23
(3)
Remove the rope guide in the far bank carriage lower pulley block, closest to the home
bank carriage, by removing 2 cap head screws. See unit maintenance procedure 5-068.
This permits the eye end on the rope (2) to pass through.
(4)
Disconnect the rope (2) at the far bank carriage, rope termination point (6) by removing two
cap head screws (7) to release the locking plate (8) and pin (9).
(5)
Feed the eye end of the rope through the lower pulley block (5) and refit the rope guide.
(6)
Manually pull on the eye end of the rope to raise the lower pulley block (5) and reconnect it
to the far bank carriage with the shoot bolts (4).
(7)
Feed the eye end of the rope through a fixed pulley so the rope leaves the far bank
carriage lower pulley block vertically.
(8)
Apply and maintain tension to the rope and operate the lower winch to slowly deploy the
rope.
(9)
When the rope (2) is fully deployed release the rope end from the din wedge (3) on the
winch drum (1).
(10)
Attach the lightweight fiber rope to the end of the rope with the duct tape by laying the two
ends parallel with a 5 foot (1.5 meters approximately) overlap, then over wrap with the duct
tape for the full length of the overlap. Ensure the duct tape covers the rope ends.
(11)
Carefully pull the rope (2) through the far and home bank carriages and upper and lower
pulley blocks while feeding through the attached lightweight fiber rope.
(12)
When the rope is clear of the far bank carriage, it can be detached from the lightweight
fiber rope, which remains in position in the launch frame to aid the refitting of the rope.
(13)
Check all pulleys for damage and wear.
(14)
Replace damaged or worn parts as required.
c.
Install
(1)
Uncoil the new rope and lay out in-line with the winch (1) on level ground, the fitted eye end
furthest from the launch vehicle and the sealed, tapered end nearest the launch vehicle.
Feed the sealed, tapered end through the fixed pulley.
CAUTION
Protect Rope From Contamination During The Install Process.
Avoid Applying Rotary Tension To The Rope.
(2)
Attach the lightweight fiber rope to the sealed, tapered end of the rope with the duct tape
by laying the two ends parallel with a 1.5 meter (approx.) Overlap then over wrap with the
duct tape for the full length of the overlap. Ensure the duct tape covers the rope ends.
(3)
By pulling carefully on the lightweight fiber rope, thread the rope through the pulley blocks
in the far bank and home bank carriages. Continue feeding the rope through the pulley
blocks until the rope reaches the lower winch drum.
(4)
Detach the lightweight fiber rope from the rope by removing the duct tape.
(5)
Secure the sealed, tapered end of the rope to the winch drum (1) in the din wedge block
(3).
6-51

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