TM 10-4610-240-24
TM 08580C-24/2
TO 40W4-13-22
2-51. BALL VALVES (DRAIN) MAINTENANCE.
This task consists of.
a. Removal
b. Installation
INITIAL SET-UP:
Tools Required
General Mechanics Tool Kit (Appendix B. Section III, Item 4)
Material/Parts Required
Tape, Anti-seize (Appendix C, Section II, Item 30)
Lockwasher (2) - MS35338- 138
Equipment Condition
Reference
ROWPU shutdown (TM 10-61-24-10).
Power shutdown (power source manual)
ROWPU piping drained(TM 10461-24-10).
REMOVAL
NOTE
There are seven train ball valves. All are removed the same. One is shown, the others are similar.
a Remove tube (3) from adapter (4).
NOTE
Tag drain ball valves before removal Valves must be installed in same location from which
removed.
b. Remove nut (1) and handle (2) from drain ball valve (5)
c. Support drain ball valve (5) and remove two screws (7) and lockwashers (8)
d. Lower drain ball valve (5) and tilt to remove from hole in bracket (6)
e. Remove adapter (4) from drain ball valve (5).
INSTALLATION
NOTE
There are seven drain ball valves All are installed the same. One is shown, the others are
similar.
Install drain ball valve in position tagged during removal.
a. Apply antiseize tape to male pipe threads. Be sure tape is wrapped in same direction as threads.
b. Install adapter (4 ) on drain ball valve (5).
2-192
