TM 5-4220-233-14
4-25. .1/4-TURN BALL VALVE(S).
This task covers:
a.
Removal
b.
Cleaning
c.
Installation
INITIAL SETUP :
Tools
Materials/Parts Appendix D
Screwdriver, Flat Tip
Ant-seizing Tape (item 16)
Screwdriver, Cross Tip
Plastic Bags (item 2)
Wrench, 3/8"
Wrench, 9/16"
Equipment Conditions
Wrench, 5/8"
Depressunze Compressed Gas System6"
Wrench, 11/16
(paragraph 4-19 )
Wrench, 3/4"
a.
Removal.
WARNING
Prior to performing this task, maintenance personnel should review Section VII for
general guidelines on removing and Installing components on life support systems.
Failure to follow proper procedures may result In system contamination.
Figure 4-7. Replace 1/4-Turn Ball Valve(s).
(1) Disconnect tube assembly (1) from elbow (2) on 1/4-turn ball valve(3) and elbow (4) on cylinder
pressure gauge tee fitting (5) and bag.
4-28
