2-39. DIFFERENTIAL PRESSURE GAGE (CARTRIDGE FILTER) REPLACE.
This task consists of:
General Mechanics Tool Kit (Appendix 13, Section III, Item 4)
Tape, Anti-seize (Appendix C, Section II, Item 19)
Lockwashers (TM 10-4610-241-24P)
Power shut down (Power Source Manual).
ROWPU Piping drained (TM 10-4610-241-10).
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 maintenance.
Loosen nut (1) and remove tube (2) from adapter (3). Remove elbow (4) from gage (16).
Loosen nut (5) and remove tubing (6) and adapter (7) from tee (11).
Loosen nut (8) and remove tubing (9) and adapter (10) from tee ( 11).
Remove tee ( 11) and nipple (12) from differential gage ( 16).
Remove three nuts (13), lo&washers ( 14) and screws (15).
Remove differential gage (16) from control panel (17).
Be sure to wrap tape in same direction as threads.
Apply anti-seize tape to all male pipe threads.
Position differential gage (16) in cutout on control panel (17).
Install three screws (15), lockwashers (14) and nuts (13).