TM 5-4220-231-14&P
4-15 Supply 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
References
Valve, Ball 13229E4598
Para. 4-13, General
O-rings, M83248/2-111
(2)
Silicone Compound
(Item 9, Appendix
D)
Nonionic Detergent
Solution
(NID) GP
(Item 17, Appendix D)
a.
Remove
(1)
Determine
which supply valve is to
SUPPLY
VALVE
be replaced.
These
procedures
are
applicable
to either of the four supply
valves.
(2)
From the front of the
VTA panel,
remove
the following
parts from the
6
7
0
valve: stem nut (2), stem spring (3),
name plate (4), stop plate (5), handle
5
(6), and grounding
spring (7).
14
2
3
4
7
A@
6;
4@
a
-14
(3)
Loosen
tube (10) from valve (1)
by positioning
a wrench
on union
nut (8)
4-48
Change 1
