TM5-4220-231-14&P
4-16. Low Pressure (LP) Gage Isolation Valve (VTA).
This task covers: Replace
INITIAL SETUP
Tools
Equipment
Conditions
General Mechanics
Tool Kit
O-ring Installation and Removal Tool
Ensure VTA is bled down and depressurized.
Material/Parts
Reference
Gage Isoiation Valve, 13229E4597-1
Para. 4-13,
General
O-ring, M83248/2-010
(2)
Silicone
Compound
(Item 9, Appendix
D)
Nonionic
Detergent
Solution
(NID) GP
(Item 17, Appendix
D)
a.
Remove
(1)
Locate
gage
isolation
valve to be
replaced.
ISOLATION
VALVE
9
(2)
Remove
tube (9) from valve (4) by
positioning
a wrench
on union
nut
(8) and turning
counterclockwise.
Remove,
cut, and discard
0-ring
(10).
8,10
4
VAI
@VC-
I-Znl
ATInM
4-52
Change 1
