TM 10-4610-241-24
TO 40W4-t3-42
2-71. R.O. PRESSURE TUBES REPAIR -continued.
b.
Disassembly.
(1)
(2)
(3)
(4)
(5)
(6)
(7)
NOTE
This task may be performed with pressure tubes in place.
If required, remove paint from concentrate port and permeate port.
Remove retaining ring (16) from permeate port ( 17).
Remove permeate port (17).
Remove two cap screws (18) and scaling plate (19) from end plate (26).
Remove concentrate port (20) from end plate (26).
Remove packing (21) and retaining ring (22) from concentrate port (20).
Remove packing (23) and adapter (24) from permeate port (17).
Remove packing (25) from sealing plate (19).
C.
d.
e.
Cleaning.
(1)
Wash all parts with clean water and detergent.
(2)
Rinse components with clean water and dry with wiping rags.
Inspection.
(1)
Inspect end plate (26) for damage, excessive wear, and serviceability.
(2)
Inspect end plate (26), permeate port (17), sealing plate (19) and concentrate port (20) for cracks and wear.
Repair.
(1)
Replace seals and packing
(2)
Replace defective components.
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