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TM 9-2350-285-20
2-128. PRECHECK CONTROL TUBING ASSEMBLY REPLACEMENT.
This Task Covers:
a.
Removal
b.
Installation
Initial Setup:
Tools/Test Equipment:
Equipment Conditions:
ì General mechanic’s tool kit (Item 4, Appendix B)
ì
Semitrailer uncoupled (refer to TM 9-2330-398-10).
ì
Precheck control tubing drained (refer to
Materials/Parts:
TM 9-2330-398-10).
ì
Tape, antiseize (Item 30, Appendix C)
a. REMOVAL
NOTE
If any precheck control tubing assembly is damaged or is not long enough to reach
properly, it should be replaced.
1.
Disconnect precheck control tubing assembly (4) from adapter (8) on tee (7) on flow control valve (6), and remove
adapter (8) from tee (7).
2.
Disconnect tubing assembly (4) from elbow (3) on E valve (2), and remove tubing assembly (4) from semitrailer.
3.
Disconnect tubing assembly (9) from elbow (5) on flow control valve (6), and remove elbow (5) from flow control
valve (6).
4.
Disconnect tubing assembly (9) from elbow (10)
on D valve (11), and remove tubing assembly (9)
from semitrailer.
5.
Disconnect tubing assembly (14) from elbow (1)
on E valve (2).
6.
Disconnect tubing assembly (13) from elbow
(12) on D valve (11).
7.
Remove two elbows (1 and 3) from E valve (2).
8.
Remove two elbows (10 and 12) from D valve
(11).
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