Haier 1590 SA Bearing and Air Gasket Removal, Service, Tools Required, Disassembly, 310622L

4.Grease the length of the diaphragm shaft (121), and slide it through the housing (101).

5.Assemble the other diaphragm assembly to the shaft as explained in step 2.

6.Non 3A approved diaphragms: Using a 5/8 in. wrench hold the wrench flats of one diaphragm assembly and torque the other diaphragm to 60-70ft-lb(81-94 N•m).

3A approved diaphragms: Grip both diaphragms securely around the outer edge and handtighten.

Waterproof, sanitary lubricant may be applied to the clamp (135) and clamping surface of the cover

(234)to ease assembly.

7.Align the fluid covers (234) and the center housing. Secure the covers with the clamps (135) and hand tighten.

135 234

TI8771a

FIG. 20

8.Reassemble the ball check valves and manifolds as explained on page 19.

Service

Bearing and Air Gasket Removal

Tools Required

•Torque wrench

•10 mm socket wrench

•Bearing puller

•O-ring pick

•Press, or block and mallet

Disassembly

Do not remove undamaged bearings.

1.Relieve the pressure.

2.Remove the manifolds and disassemble the ball check valves as explained on page 19.

3.Remove the fluid covers and diaphragm assemblies as explained on page 21.

If you are removing only the diaphragm shaft bearing (117), skip step 4.

4.Disassemble the air valve as explained on page 16.

5.Using a 10 mm socket wrench, remove the screws (122) holding the air covers (120) to the center housing (101).

101 119 120 122

TI4733a

FIG. 21

6.Remove the air cover gaskets (119). Always replace the gaskets with new ones.

7.Use a bearing puller to remove the diaphragm shaft bearings (117), air valve bearings (112) or pilot pin bearings (113). Do not remove undamaged bear- ings

310622L 23