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 TM 5-5420-279-23
6
TPA1
1
4
TPB2
5
TPA3
3
2
686A880
View on left side
View on front
a.
Remove
(1)
Turn the pinch/roll stow cylinder lever (6) through 90 degrees to release hydraulic oil
pressure to the rear pinch rollers.
(2)
De-pressurize the hydraulic system. Refer to unit maintenance procedure 5-118.
(3)
Identify and locate the valve (2, 3, 4 or 5) to be replaced on the pinch/roll stow manifold
assembly (1).
(4)
Unscrew the valve (2, 3, 4 or 5) to be replaced, counter-clockwise.
(5)
Remove the valve (2, 3, 4 or 5) and its seal.
b.
Install
(1)
Fit a new seal to the valve (2, 3, 4 or 5).
(2)
Fit the valve (2, 3, 4 or 5) to the pinch/roll stow manifold assembly (1).
(3)
Turn the pinch/roll stow cylinder lever (6) back through 90 degrees.
c.
Follow on task
(1)
Check the operation of the launcher and check for leaks.
5-391
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