TM 10-4610-240-24
TM 08580C-24/2
TO 40W4-13-22
2-48.
NEEDLE VALVE (PRODUCT WATER REGULATING) MAINTENANCE.
This task consists of:
a. Removal
b. Installation
INITIAL SET-UP:
Tools Required
General Mechanics Tool Kit (Appendix B, Section III, Item 4)
Pipe Wrench (Appendix B, Section III, Item 3)
Vice (Appendix B, Section III, Item 3)
Material/Parts Required
Tape, Anti-seize (Appendix C, Section II, Item 30)
Lockwasher (2) - MS35338-139
Gasket (2) - M103873-D02
Equipment Condition
Reference
ROWPU shutdown (TM 10-4610-240-10).
Power shutdown (power source manual)
ROWPU piping drained (TM 10-4610-240-10).
REMOVAL
a.
Using punch, remove roll pin (3) and valve handle (2) from needle valve (18).
b.
Remove two nuts (4) and screws (7), clamp halves (5), and gasket (6).
c.
Remove two nuts (17) and screws (15), clamp halves (13), and gasket (14).
d.
Remove two screws (12), lockwashers (11), flat washers (10), bar (9), and needle valve (18) with two
adapters (8 and 16) from control panel (1).
e.
Place needle valve (18) in vice and remove two adapters (8 and 16).
INSTALLATION
a.
Apply antiseize tape to male pipe threads. Be sure to wrap tape in same direction as threads.
b.
Install two adapters (16 and 8) on needle valve (18).
c.
Position needle valve (18) and bar (9) on control panel (1) and install two flat washers (10), lockwashers (11),
and screws (12).
d.
Install gasket (14), clamp halves (13), two screws (15), and two nuts (17).
e.
Install gasket (6), clamp halves (5), two screws (7) and two nuts (4).
f.
Position handle (2) and install roll pin (3).
g.
Operate ROWPU (TM 104610-240-10).
Check for leaks and proper operation
2-186
