ASEPCO PN30 User Manual

26 m-radialdiaphragmvalve-en-02
8. Remove the spring.
Sleeve
Spring
Quad ring
Snap ring
Washer
O-ring and
guide bushing
9. Pull the shaft and piston assembly out of the actuator sleeve. Remove the quad ring
from the piston, slip the new quad ring over the piston, and run the O-ring tool
between the piston and the quad ring to ensure that it is not twisted.
10. Place the shaft and piston assembly in a soft jaw vice (not supplied) with the spring
side of the piston facing up. Make sure that the flats are secure in the vice.
11. Using a spanner, unscrew the nut from the shaft. Remove the piston.
12. Remove and replace a lubricated O-ring on the shaft. Replace the piston. Then, cover
the quad ring with lubricant. Re-tighten the nut onto the shaft.
13. Remove the second GBA from the bottom of the actuator and replace.
14. Reinstall the piston and shaft assembly into the sleeve, making sure the cup of the
piston is facing down.
15. Reinstall the spring.

ASEPCO PN30 Specifications

General

Brand	ASEPCO
Model	PN30
Category	Control Unit
Language	English