TM 10-4610-239-24
TM 08580B-24/3
ASSEMBLY. (Cont)
CAUTION
A broken or distorted seat will cause the R.O. pump assembly to
malfunction. Use care when installing seat to prevent equipment
damage.
c.
Using 1-inch pipe and mallet through cylinder opening (11), tap seat (18) until firmly seated.
d.
Remove and discard disc (16).
e.
Working through cylinder opening (17); install new disc (16), sleeve (15),, spring (14), and retainer (13) on seat
(18).
f.
Working through cylinder opening (11), install nut (12) on seat (18).
g.
Position seal (10) on cylinder and install cylinder head (9).
NOTE
There are five discharge valve assemblies, seals, and cylinder heads at
top of fluid end assembly. All are installed the same. One is shown.
h.
Working through cylinder opening (11), position seat (8) in R.O. pump fluid end body.
i.
Position old disc (7) on seat (8).
j.
Using 1-inch pipe and mallet, tap seat (8) until firmly seated.
k.
Remove and discard disc (7).
l.
Install new disc (7), sleeve (6), spring (5), retainer (4), and nut (3) on seat (8).
m.
Position seal (2) on cylinder and install cylinder head (1).
n.
Install R.O. pump fluid end assembly.
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