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 TM 55-1905-223-24-7
q. Remove pipe elbow (27) from pipe nipple (29).
r.
Remove pipe nipple (29) from pipe elbow (30).
s.
Remove pipe elbow (30) from pipe nipple (28).
t.
Remove pipe nipple (28) from lower RO module (6) INBOARD END end plug (18).
u. On upper RO module (6) OUTBOARD END end plug (18), remove six hexagon self-locking nuts.
v.
On lower RO module (6) OUTBOARD END end plug (18), remove six hexagon self-locking nuts.
w. Pull upper and lower RO modules (6) OUTBOARD END end plugs (18) with associated piping off RO modules
and place on workbench.
x.
Remove two hose plugs (7) from end plugs (18).
y.
Secure one end plug in a vice and remove pipe nipple (8) or (12) from secured end plug (18) by rotating other end
plug (18) by rotating other end plug (18) with piping unscrewing the pipe nipple from the end plug. Remove
end plug (18) from vice.
z.
Remove pipe nipple from (8) or (12) from pipe elbow (9) or (11).
aa. Remove other pipe nipple from pipe elbow.
ab. Remove two pipe elbows (9 and 12) from pipe nipple (10).
ac. Remove eight machine bolts (14), lockwashers (15), and plain hexagon nuts (16) securing four retaining straps
(13) to main frame assembly and remove retaining straps (13).
ad. Careful slide each RO module (6) out the INBOARD END of watermaker and place on workbench.
ae. Remove other two RO module (6) end plugs (18) by removing six hexagon self-locking nuts (17) and remove end
plugs (18).
af. Remove four preformed packings (20) from end plugs (18).
ag. Remove four preformed packings (19) from end plugs (18).
ah. Remove seawater element (22) from each RO module (6).
REPAIR
a. Check seawater elements (22) for tears or cuts. Replace with new seawater elements if torn or cut.
b. Check nonmetallic hoses (24, 33 and 37) and nonmetallic hose assemblies (5 and 23) for cracks or swelling. If
cracked or swollen, replace with new ones.
2-111
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