Nor-Cal Linear Gate Valve - Manual (Page 6)

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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
8. Using a spanner wrench, turn Piston counterclockwise to remove from Actuator Housing.
9. Remove O-Ring from top of Drive Shaft.
10. Remove remaining screws holding the Actuator Housing to the Bonnet Plate. (2 screws)
11. Remove the Actuator Housing.
12. Remove R-Ring from Drive Shaft, using a pick. If a replacement is NOT available, use care to preserve the
R-Ring. Otherwise, pull out using the needle nose pliers and discard.
13. Remove bellows by pulling and twisting slightly. Discard.
14. Remove O-Ring in the Bellows drive shaft area and discard.
15. Clean Drive Shaft groove and Bellows area with IPA.
16. Apply a thin coat of grease (Apezion L) on the O-Ring for the Drive Shaft in Bellows area.
17. Install O-Ring.
18. Apply a thin coat of grease (Apezion L) on the O-Ring for the Bellows base Flange.
19. Install O-Ring.
20. Replace Bellows assembly on the Drive Shaft, pushing and twisting slightly to go over the O-Ring.
21. Install R-Ring on the Drive Shaft, using a screw driver and a pick. Make sure it clicks into the groove next to
the top of the Bellows.
22. Apply a thin coat of Vacuum Grease to the Drive Shaft.
23. Install Actuator Housing on the Bonnet plate.
24. Apply a thin coating of Vacuum Grease to the O-Ring for the top of the Drive Shaft.
25. Install O-Ring on the top of the Drive Shaft.
26. Apply a thin coating of vacuum grease to the Piston area, if necessary.
(Continued Next Page)
Figure 4 - PISTON CLOSE-UP FOR SPANNER WRENCH POSITIONING
INDENTATIONS ON THE
PISTON FOR SPANNER WRENCH
NOTE: GATE MUST BE IN OPEN
POSITION TO ACCESS THESE EASILY
JAM NUT
NOTE: May require use of the
heat gun to melt any LOCK-TITE