TM 10-4610-241-24
TO 40W4-13-42
2-51.
RELIEF VALVE REPLACE.
This task consists of:
a.
Removal
b.
Installation
INITIAL SET-UP:
Tools Required
General Mechanics Tool Kit (Appendix B, Section III, Item 4)
Vise (Appendix B, Section III, Item 3)
Pipewrench (Appendix B, Section III, Item 3)
Material/Parts Required
Tape, Anti-seize (Appendix C, Section II, Item 19)
Equipment Condition
Reference
Power shut down (Power Source Manual).
ROWPU Piping drained (TM 10-4610-241-10).
General Safety Instructions
WARNING
ROWPU piping and equipment can contain extremely high pressure during and
after operation. If this pressure is not relieved before performing maintenance,
serious injury or death may result. Be sure to open all drains and vents before
performing maintenance.
a.
Removal.
(1)
Remove screw (1) and loop clamp (2).
(2)
Remove pipe section (3).
(3)
Remove pipe section (4) from pipe section (5).
(4)
Remove pipe section (5) from relief valve (6).
(5)
Remove relief valve (6) from adapter (8) and remove plug (7) from relief valve.
(6)
As required, remove adapter (8) and disassemble pipe sections (5) and (4) (Paragraph 230)
b.
Installation.
(1) If disassembled, assemble pipe sections (5 and 4) (Paragraph 2-30).
NOTE
Be sure to wrap tape in same direction as pipe threads.
(2)
Apply anti-seize tape to male pipe threads.
2-202
