Service
18
310622ZAL
Service
Repairing the Air Valve
Tool Required
•
Torque wrench
•
Torx (T20) screwdriver or 7 mm (9/32 in.) socket
wrench
•
Needle-nose pliers
•
O-ring pick
•
Lithium base grease
Air Valve Repair Kit 255122 is available. Refer to Parts
on page 40. Parts included in the kit are marked with
◆
symbol. Use all the parts in the kit for the best results.
Disassembly
1.
Follow the Pressure Relief Procedure, page 13.
2.
With a Torx (T20) screwdriver or 7 mm (9/32 in.)
socket wrench, remove the six screws (103), air
valve cover (102), and gasket (104). See F
IG
. 6.
3.
Move the valve carriage (105) to the center position
and pull it out of the cavity. Using a needle-nose pli-
ers, pull the pilot block (116) straight up and out of
the cavity. See F
IG
. 7.
4.
Pull the two actuator pistons (111). Remove the
u-cups (110) from the pistons. Pull the pilot pins
(114). Remove the o-rings (115) from the pilot pins.
See F
IG
. 8.
F
IG
. 6
102
104
◆
103
TI4682b
F
IG
. 7
F
IG
. 8
TI4616b
116
◆
105
◆
TI4617b
110
◆
111
115
◆
114
Summary of Contents for SaniForce 1590 3A
Page 5: ...Models 310622ZAL 5...