TM 5-4220-231-14&P
4-18 Check Valve (VTA).
This task covers:
Replace
INITIAL SETUP
Tools
Equipment
Conditions
General
Mechanics
Tool Kit
Ensure VTA is bled down and depressurized.
O-Ring Installation and Removal Tool
Materials/Parts
Reference
Valve, Check 13229E4646
Para. 4-13, General
O-ring, M83248/2-111
O-Hng, M83248/2-116
O-ring, M83248/2-908
(2)
Silicone Compound
(Item 9, Appendix D)
Nonionic Detergent Solution (NID) GP
(Item 17, Appendix D)
a.
Remove
(1)
Determine
location
of valve
to be
replaced.
These
procedures
are
applicable
to either
of the two check
valves
on the VTA.
Check
Valves
(2)
Remove
tube (4) by loosening
union
9
nuts (5,6). Remove,
cut, and discard
O-rings (9,10).
5
6
4
10
F
-@--@5
Change 1
4-57
