TM 10-4610-239-24
TM 08580B-24/3
DISASSEMBLY. (Cont)
g.
Working through top cylinder opening (11) and using seat valve puller, loosen seat (18).
h.
Remove seat (18) through cylinder opening (17).
CLEANING.
a.
Wash R.O. pump fluid end body with strong soap solution.
b.
Wash cylinder heads and valve assembly components.
c.
Rinse all parts with clean water.
d.
Dry cylinder heads and valve assembly components with clean rags.
WARNING
Compressed air can blow dust into the eyes. Wear eye protection. Do
not exceed 30 psi (207 kPa) air pressure.
e.
Use compressed air to dry the R.O. pump fluid end body,
f.
Remove rust and loose paint from cylinder heads and R.O. pump fluid end body.
INSPECTION.
a.
Inspect R.O. pump fluid end body for cracks, deformed threads, and warping. Replace as required.
b.
Inspect cylinder heads for cracks and deformed threads. Replace as required.
c.
Inspect valve assemblies for broken or excessive wear on seats and discs, bent or broken retainers, and broken
springs. Replace as required.
d.
Inspect valve assembly nuts for deformed heads and threads. Replace as required.
ASSEMBLY.
CAUTION
R.O. pump fluid end assembly is made from cast aluminum bronze. To
prevent damage to equipment, do not hit or drop R.O. pump fluid end
assembly.
NOTE
There are five suction valve assemblies, seals, and cylinder heads in
bottom of fluid end assembly. All are installed the same. One is shown.
a.
Position old disc (16) on seat (18).
b.
Position seat (18) in R.O. pump fluid end body through cylinderopening (17).
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