Nor-Cal Linear Gate Valve - Manual (Page 9)

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Nor-Cal Products, Inc., 1967 South Oregon St., Yreka, CA 96097 • Toll Free 800-824-4166 or 530-842-4457 • www.n-c.com Rev. 1-2013
9. Remove remaining screws holding the Actuator Housing to the Bonnet Plate. (2 screws)
10. Remove the Actuator Housing.
11. Remove O-Ring in Actuator Housing, using a pick and using care to not scratch the groove surface.
12. Apply a thin coat of vacuum grease on the new O-Ring.
13 Install O-Ring.
14. Inspect the drive shaft; clean and lubricate as necessary.
15. Install Actuator Housing on the Bonnet plate. Tighten screws.
16. Apply a thin coat of Vacuum grease on the O-Ring for the top of the Drive Shaft.
17. Install O-Ring.
18. Inspect actuator housing. Clean and lubricate as necessary.
19. Apply a thin coat of vacuum grease on the O-Ring for the Piston.
20. Install O-Ring on the Piston.
21. Install Piston on Drive Shaft, using a spanner wrench and turning clockwise until
the measurement in step # 5 is achieved.
22. Install Jam Nut, using Lock-Tite and tighten.
23. Apply a thin coat of vacuum grease to the O-Ring for the Actuator Top.
24. Install O-Ring on the Actuator Top.
25. Install Actuator Top and tighten screws.
26. Install Actuator Cover and tighten screws.
27. Install air line and test operation of Valve and Actuator.
Figure 3: ACTUATOR O-RING
ACTUATOR O-RING
NOTE:
1. REMOVE THIS O-RING
BEFORE REMOVING
THE ACTUATOR HOUSING
2. BE CAREFUL NOT TO
SCRATCH THE O-RING
GROOVE