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 TM 5-5420-279-23
NOTE
The Lower Winch Rope is terminated at the Rope Termination Pin (2) located on the Upper
Pulley block (8). The Rope Termination Pin (2) is secured with Screws (17), Washers (16)
and a Retaining Plate (18).
(4)
Support the weight of the upper pulley block (8).
(5)
Remove the spring pins (20) from the pivot pins (4).
(6)
Remove the pivot pins (4).
(7)
Remove the upper pulley block (8) from the far bank carriage (1).
(8)
Remove the screws (10), lock washers (11) and end cap (12). Discard the lock washers.
(9)
Remove the screws (25), lock washers (26) and locking plate (27). Discard the lock
washers.
(10)
Remove the pulley pin (9).
(11)
Remove rope pulleys (3).
(12)
Separate the two rope pulleys (3) retaining the spacer (14) and sealing caps (13).
(13)
(14)
Remove the spring pins (22) and thrust washers (21).
(15)
Remove the bushings (23).
(16)
Check the rope pulleys (3) for wear, cracks and damage.
(17)
Check the pulley pin (9) for wear and damage.
(18)
Check the bearings (15) for wear and damage.
(19)
Check the thrust washers (21) and bushings (23) for wear and damage.
(20)
Check all threaded components for wear and damage.
(21)
Replace components as necessary.
b.
Install
(1)
Fit the bushings (23) to the upper pulley block (8).
(2)
Fit the thrust washers (21) and secure in place with the spring pins (22).
(3)
Pack the bearings (15) with grease.
(4)
before assembling the rope pulley bearings.
(5)
Fit a spacer (14) between the inner faces of the pulleys (3).
(6)
Apply multi-gasket to the sealing caps (13).
(7)
Fit the sealing caps (13) to the outer faces of the pulleys (3).
(8)
Place the pulleys (3) inside the upper pulley block (8).
(9)
Fit the pulley pin (9).
(10)
Apply thread locking compound to the screws (10).
(11)
Secure the pulley pin (9) with the end cap (12), lock washers (11) and screws (10).
6-98
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