Repair
3A4131H
15
Replacing the Inlet Valve
1.
Follow the
, page 9.
2.
3.
Disconnect the power (B).
4.
Remove the inlet valve (102) from the from the fluid
end (109).
5.
Remove the o-ring from the inlet port of the fluid
end (109).
6.
Reattach the inlet valve (102) to the fluid end (109).
7.
Reconnect the power (B).
8.
Replacing the Outlet Valve
1.
Follow the
, page 9.
2.
3.
Disconnect the power (B).
4.
Remove the outlet valve (103) from the from the
fluid end (109).
5.
Remove the o-ring from the outlet port of the fluid
end (109).
6.
Reattach the outlet valve (103) to the fluid
end (109).
7.
Reconnect the power (B).
8.
Replacing the Valve Ball Check Cartridge
The following procedure is the same for all plastic valve
assemblies: inlet (102), outlet (103), foot (111), injection
(112), and three-function (113). See the
parts diagram on page 18.
Follow the Pressure Relief Procedure, page 9.
explained on page 15.
The part of the valve that holds the ball check cartridge
is interchangeable among each of the valve assemblies.
The ball check cartridge is in the end away from any
connected tubing. See F
1.
2.
, page 9.
3.
Disconnect the power (B).
4.
Disconnect the valve at the end away from the tub-
ing. Verify that the ball check o-ring is still attached
to, or came out with, the ball check cartridge (114).
5.
Use a hooked tool to pull out the ball check
cartridge (114). Verify that the second o-ring is not
left in the valve.
6.
Discard the ball check cartridge (114) and o-rings.
7.
Attach new o-rings to both ends of the new ball
check cartridge (114).
F
IG
. 6: Location of Valve Ball Check Cartridge
Ball check cartridge in this end of valve
3/8 in.
1/4 in.