TM 10-4610-239-24
TM 08580B-24/3
DISASSEMBLY.
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 cylinder heads, seals, and discharge valve assemblies at
top of fluid end assembly. All are removed the same. One is shown.
a.
Remove cylinder head (1) and seal (2). Discard seal.
b.
Remove nut (3), retainer (4), spring (5), sleeve (6), and disc (7). Save disc for assembly.
c.
Using valve seat puller, remove seat (8).
NOTE
There are five cylinder heads, seals, and suction valve assemblies in
bottom of fluid end assembly. All five are removed the same. One is
shown.
d.
Remove cylinder head (9) and seal (10). Discard seal.
e.
Working through top cylinder opening (11), loosen nut (12).
f.
Remove nut (12), retainer (13), spring (14), sleeve (15), and disc (16) through cylinder opening (17). Save disc for
assembly.
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