Repair
30
3A4386C
Inlet Check Valve Repair (models
PCI-xxx-xxH only)
1.
2.
Remove the inlet check valve assembly (17).
3.
Separate the front housing (17d) from the back
housing (17e).
4.
Remove the piston (17b) and the piston o-ring (17c).
5.
Inspect parts for wear, replace as needed.
6.
Install the piston o-ring (17c) and piston (17b) in the
back housing (17e).
7.
Reattach the front housing (17d) to the back hous-
ing (17e).
8.
Reconnect the inlet check valve assembly (17).
Outlet Check Valve Repair (all models
except PCI-xxx-xxH)
1.
Follow the
, page 17.
2.
Remove the outlet check valve assembly (18).
3.
Remove the retaining nut (18a), spring (18b), and
piston (18c).
4.
Remove the piston o-ring (18d).
5.
Inspect parts for wear, replace as needed.
6.
Install the piston o-ring (18d), piston (18c),
spring (18b), and retaining nut (18a).
7.
Reconnect the outlet check valve assembly (18).
F
IG
. 18 Inlet check valve assembly
17d
17b
17c
17e
17
F
IG
. 19 Outlet check valve assembly
18
18d
18c
18b
18a