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TM 5-4210-233-14&P-1
4-53. #3 and #4 DISCHARGE DRAIN VALVES
This task covers:
a.
Removal
c.
Installation
b.
Cleaning and Inspection
d.
Follow-on
Maintenance
TOOLS REQUIRED
EQUIPMENT CONDITION
Tool Kit, General Mechanics, Automotive
Main Engine Shutdown (see para 2-12 .)
(Appendix B, Section III, Item 1)
APU Shutdown (see para 2-16 .)
Batteries Disconnected (see para 4-114 .)
MATERIALS/PARTS REQUIRED
Grease (Item 1, Appendix E)
Dry Cleaning Solvent (Item 3, Appendix E)
O-Rings (Figure 18, Appendix F)
a.
Removal.
(1)
Remove snap ring (1).
(2)
Remove knob (2), rod (3), and
plunger (4) as assembly.
(3)
Remove two screws (8) and
remove valve body (7) from panel.
(4)
Loosen hose clamp (9) and
remove drain hose (10).
(5)
Turn valve, (7) until fitting (5)
and hose (6) are free of valve (7).
(6)
Remove and discard two O-rings (11).
b. Cleaning and Inspection.
WARNING
Dry
cleaning
solvent
P-D-680
is
potentially dangerous. Avoid repeated
and prolonged breathing of vapors and
skin contact with the liquid. Do not use
near open flame, arcing equipment or
other ignition sources. Always wear eye
protection and protective clothing. The
flash point of P-D-680 is 100 to 138 deg.
F (38 to 59 deg. C).
(1)
Clean all parts in dry cleaning
solvent (Item 3, Appendix E).
4-265
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