Quantcast Install - TM-5-5420-279-230835

 

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Remove - TM-5-5420-279-230834
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TM-5-5420-279-23 Dry Support Bridge (DSB) (NSN
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Follow on tasks - TM-5-5420-279-230836
TM 5-5420-279-23
(7)
Remove the upper pulley block (5) from the home bank carriage (1).
(8)
Remove the screws (22), lock washers (23) and end cap (24). Discard the lock washers.
(9)
Remove the screws (9), washers (8) and locking plate (7).
(10)
Remove the pulley pin (10).
(11)
Remove rope pulleys assembly.
(12)
Separate the three rope pulleys (14, 16 and 19) retaining the spacers (15 and 18) and
sealing caps (12 and 21).
(13)
Remove the bearings (13,17 and 20) from the rope pulleys (14,16 and 19).
(14)
Remove the spring pins (not shown) and thrust washers (26).
(15)
Remove the bushings (25).
(16)
Check the rope pulleys (14,16 and 19) for wear, cracks and damage.
(17)
Check the pulley pin (10) for wear and damage.
(18)
Check the bearings (13,17 and 20) for wear and damage.
(19)
Check the thrust washers (26) and bushings (25) for wear and damage.
(20)
Check all threaded components for wear and damage.
(21)
Replace components as necessary.
b.
Install
(1)
Fit the bushings (25) to the upper pulley block (5).
(2)
Fit the thrust washers (26) and secure in place with the spring pins (not shown).
(3)
Pack the bearings (13,17 and 20) with grease.
(4)
Fit the bearings (13,17 and 20) to the rope pulleys (14,16 and 19). Refer to general unit
maintenance procedure 5-158 before assembling the rope pulley bearings.
(5)
Fit a spacer (15 and 18) between the inner faces of the rope pulleys (14, 16 and 19).
(6)
Apply multi-gasket to the sealing caps (12 and 21).
(7)
Fit the sealing caps (12 and 21) to the outer faces of the rope pulleys (14 and 19).
(8)
Place the rope pulley assembly inside the upper pulley block (5).
(9)
Fit the pulley pin (10).
(10)
Apply thread-locking compound to the screws (22).
(11)
Secure the pulley pin (10) with the end cap (24), washers (23) and screws (22).
(12)
Apply thread-locking compound to the screws (9).
(13)
Fit the locking plate (7) washers (8) and screws (9).
(14)
Check that the rope pulleys assembly runs freely in the upper pulley block (5).
(15)
Grease the pulley pin (10) through the grease fitting (11).
(16)
Place the upper pulley block (5) in the home bank carriage (1).
(17)
Fit the pivot pins (6) through the home bank carriage (1) and the upper pulley block (5).
(18)
Secure the pivot pins (6) with the spring pins (27).
(19)
Check the upper pulley block (5) is free to pivot in the home bank carriage (1).
6-91

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