Service
3A4552A
17
5.
Inspect the valve plate (108) in place. If damaged,
use a Torx (T20) screwdriver or 7 mm (9/32 in.)
socket wrench to remove the three screws (103).
Remove the valve plate (108). See F
6.
Inspect the bearings (112, 117) in place. See
Parts
on page 33. The bearings are tapered and, if dam-
aged, must be removed from the outside. This
requires disassembly of the fluid section. See page
26.
7.
Clean all parts and inspect for wear or damage.
Replace as needed. Reassemble, page 17.
Reassembly
1.
If you replaced the bearings (
112, 117
),
reinstall as
explained on page 26. Reassemble the fluid sec-
tion.
2.
Install the valve plate (108) in the cavity, seal down.
Install the three screws (103), using a Torx (T20)
screwdriver or 7 mm (9/32 in.) socket wrench.
Tighten until the screws bottom out on the housing.
See F
3.
Install an o-ring (115) on each pilot pin (114).
Grease the pins and o-rings. Insert the pins into the
bearings,
narrow
end first. See F
. 10.
4.
Install u-cups (110) on each actuator piston (111),
so the lips of the packings face the
narrow
end of
the pistons. See F
. 10.
5.
Lubricate the u-cups (110) and actuator pistons
(111). Insert the actuator pistons in the bearings,
wide
end first. Leave the narrow end of the pistons
exposed. See F
. 10.
F
IG
. 9
103
108
TI4618c
F
IG
. 10
TI4617b
115
114
110
111