2-81. R.O. PRESSURE TUBES MAINTENANCE (MODEL WPES-1).
This task consists of
General Mechanics Tool Kit (Appendix B. Section III, Item 4)
Torque Wrench (Appendix B. Section III, Item 3)
Grease, silicone (Appendix C, Section II, Item 16)
Gasket (3) - M103873DOZ
O-ring (2) - 2-219-E540-80
O-ring (2) - 2-35-E540-80
O-ring (2) - 2-217-E540-80
O-ring (2) - 406012-1
O-ring (2) - 2-222-E540-80
Ring, retaining (2) - RSN-131SP
Ring, retaining (2) - RSN-87SP
ROWPU shutdown (TM 10-610-240 10).
Power shutdown (power source manual).
ROWPU piping drained(TM10 461-240 10).
General Safety Instructions
ROWPU piping and equipment can contain extremely height 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
Removal of one R O. pressure tube is shown. Removal of other pressure
tube is similar.
At each end of R O. pressure tube (6), loosen hose clamps (5) and disconnect flexible tubing (9).
At front end of R.0 pressure tube, remove two nuts (11) and bolts (13), clamp halves (1) and gasket (2)
Remove two nuts (7) and bolts (10), clamp halves (4) and gasket (8).
Remove pipe section (12).