TM5-4220-231-14&P
4-23 High Pressure (HP) Gage Isolation Valve (DASS).
This task covers: Replace
INITIAL SETUP
Tools
Equipment
Condition
General Mechanics
Tool Kit
Release
all air from
DASS
manifold
O-ring
Installation
and
Removal
Tool
Materials/Parts
Reference
Gage
Isolation
Valve, 13229E4570
Para.
4-19,
General
O-ring,
M83248/2-008
(2)
Silicone
Compound
(Item 9, Appendix
D)
Nonionic
Detergent
Solution
(NID) GP
(Item 17, Appendix
D)
a.
Remove
(1)
Locate
the gage
isolation
valve to be
removed
from the DASS
panel.
GAGE
ISOLATION
VALVE
(2)
Loosen
tube
(2) from
valve
(1) by
positioning
a wrench
on union nut (4)
and
turning
counterclockwise.
Remove,
cut, and
discard
O-ring
(6).
4,6
22
4-68
Change 1
