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TM10-4330-235-13&P
4-11. REPLACE WATER DRAIN VALVE
This task covers:
a. Removal
b. Installation
INITIAL SETUP
Tools
General Mechanic Tool Kit (Appendix B, Section Ill, Item 4)
Wrench, Pipe (Appendix B, Section Ill, Item 6)
Materials/Parts
Sealing Compound (Appendix E, Section II, Item 3)
Equipment Conditions
System Shut Down
General Safety Instructions
WARNING
Do not smoke within 50 feet (15.34 meters) of filter/separator.
REMOVAL
a. Provide a suitable container to receive fuel and open manual drain valve (1) to drain contents of
filter/separator.
b. Open air valve (2) to vent vessel.
c. Unscrew drain valve (1) from vessel nipple (3).
d. Unscrew pipe nipple (4) from drain valve (1) outlet.
INSTALLATION
a.
b.
c.
Screw pipe nipple (4) into outlet of drain valve (1).
Apply sealing compound to threads of vessel nipple (3) and screw drain valve (1) onto nipple (3).
Position drain valve handle to closed position. Close air valve (2).
4-14
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