2-40. TUBING MAINTENANCE.
This task consists of
General Mechanics Tool Kit (Appendix B, Section III, Item 4)
Tape, Anti-seize (Appendix C, Section II, Item 30)
Lockwasher (A/R) - MS35338-139
ROWPU shutdown (TM 10-4610-240-10).
Power shutdown (power source manual).
ROWPU piping drained (TM 10-4610-240-10).
General Safety Instructions
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
These procedures are typical for metal and plastic tubing used throughout the ROWPU
Some of the following instructions may not be applicable to your maintenance task.
Perform only those tasks that affect replacement of the defective component
Remove metal tubing as follows:
Locate two nearest connection points on metal tubing to be removed. Only clamps and
tube supports between these two points must be removed
Separate and remove two tube support blocks (1 and 11) and insulation tape (12) from metal tubing
Remove screws (5), lockwasher (6) and clamps (7) from metal tubing (2)
Unscrew tubing nuts (3 and 8) from adapters (13 and 14).