Service
310622ZAL
19
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 40. The bearings are tapered and, if dam-
aged, must be removed from the outside. This
requires disassembly of the fluid section. See page
28.
7.
Clean all parts and inspect for wear or damage.
Replace as needed. Reassemble, page 19.
Reassembly
1.
If you replaced the bearings (112, 117), reinstall as
explained on page 28. 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
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
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
F
IG
. 9
103
108
◆
TI4618c
F
IG
. 10
TI4617b
115
◆
114
110
◆
111
Summary of Contents for SaniForce 1590 3A
Page 5: ...Models 310622ZAL 5...
