TS5622VU-DVD Diaphragm Valve User Guide

8.3 TO CHANGE OR LUBRICATE PISTON O-RING 1. Remove the fluid housing (6). 2. Remove the diaphragm (5). 3. Remove the stroke control knob (8) and spring (9).

4. Remove the retainer ring (2) and anti-rotating washer (1). 5. Remove the piston assembly (11). 6. Replace O-ring (4) if damaged; otherwise lubricate O-ring with O-ring grease. 7. Reinstall piston, retainer ring and anti-rotating washer.

8. Reinstall spring and stroke control knob. 9. Reinstall diaphragm and fluid housing.

13

2 3 1

4

5

6

7

12

8

9 10 11

Figure 6.0

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