Haier 3150 SA, 3150 SB, 3150 SF, 1590 SA, 1590 SB Reassembly, Service, 310622L

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 FIG. 9.

103

108◆

TI4618c

FIG. 9

6.Inspect the bearings (112, 117) in place. See Parts on page 31. The bearings are tapered and, if dam- aged, must be removed from the outside. This requires disassembly of the fluid section. See page 23.

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 24. Reassemble the fluid section.

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 FIG. 9.

Service

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 FIG. 10.

111 ◆

110

114 115◆

TI4617b

FIG. 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 FIG. 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 FIG. 10.

6.Grease the lower face of the pilot block (116) and install so its tabs snap into the grooves on the ends of the pilot pins (114). See FIG. 11.

7.Grease the lower face of the valve carriage (105). See FIG. 11.

310622L 17