
Repair - Pump Lower
16
3A6823A
7.
Low-pressure pumps only.
Install the large
o-ring (113) into the inlet port of the fluid
cylinder (101), then install the inlet check
housing (117).
8.
Medium-pressure pumps only.
Install the spacer
(121) into the inlet port of the fluid cylinder (101),
then install the inlet check housing (117).
9.
Low- and medium-pressure pumps only.
Install
the small o-ring (115) onto the check poppet (114),
then install the poppet (114) and compression
spring (116) into the outlet check housing (118), as
shown.
10.
Low-pressure pumps only.
Install the large
o-ring (113) into the outlet port of the fluid
cylinder (101), then install the outlet check housing
(118).
11.
Medium-pressure pumps only.
Install the spacers
(119 and 121) into the outlet port of the fluid cylinder
(101), then install the outlet check housing (118).
12. Stack and install the seal stack, as shown. Use
grease during installation.
13. Install the packing nut (109) with a medium strength
thread locking compound, and torque to 5-10 ft-lbs
(7-14 n•m). The packing nut (109) should be flush
with the surface of the fluid cylinder (101).
Reconnect the Pump Lower
1.
Align the pump lower (3) so that the inlet port is to
the left when facing the front of the pump (1).
2.
Install the screws (5), lock washers (4), and spacers
(2), as shown in F
. 4, and align with the holes in
the bottom of the pump (1), as shown in F
3.
Torque the screws (5) to 50-60 ft-lbs (68-81 N•m).
F
IG
. 4
F
IG
. 5
1
3
5
4
2
111
5
3
110