haier 1590 SB - Manual (Page 16)

Service
16 310622L
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
Disassembly
1. Relieve the pressure.
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.
Air Valve Repair Kit 255122 is available. Refer to
Parts on page 31. Parts included in the kit are
marked with
◆
symbol. Use all the parts in the kit
for the best results.
F IG . 6
102
104
◆
103
TI4682b
F IG . 7
F IG . 8
TI4616b
116
◆
105
◆
TI4617b
110
◆ 111
115
◆
114