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TM 5-4210-233-14&P-1
4-53. #3 AND #4 DISCHARGE DRAIN VALVES-Continued
WARNING
Death or serious injury could occur if compressed air is directed
against the skin. Do not use compressed air for cleaning or
drying unless the pressure is/has been reduced to 30 psi (2.11
kg/cm2) or less. When working with compressed air, always use
chip guards, eye protection, and other personal protective
equipment.
(2)
Dry all parts with compressed air.
(3)
Inspect valve body (7) for cracks and damaged threads. Replace as necessary.
(4)
Inspect plunger (4) for grooves or cracks. Replace as necessary.
c.
Installation.
(1)
Install two O-rings (11) on plunger (4).
(2)
Secure hose (6) to valve (7) with fitting (5).
(3)
Install drain hose (1 0) and hose clamp (9).
(4)
Secure valve body (7) to panel with two screws (8).
(5)
Apply grease (Item 1, Appendix E) to O-rings (11).
(6)
Install plunger (4), rod (3) and knob (2) in valve port.
(7)
Install snap ring (1).
d.
Follow-on Maintenance.
(1)
Connect batteries (see para 4-114).
4-266
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