28 m-radialdiaphragmvalve-en-02
Step 3: Disassemble the pneumatic actuator
O-ring
Breather
vent
Cap
Shaft screw
Housing
(lower)
Spring
Quad ring
/x-seal
Piston
shaft
Housing (upper)
Set screw (2X)
Sleeve
Shaft
1. Unscrew the cap from the top of the actuator.
2. Unscrew the housing (lower).
3. Remove the spring from inside of the actuator body.
4. Remove the piston.
5. Remove the shaft screw using a 1/8” hex key.
6. Remove the 10/32 set screws using a 3/32” hex key.
7. Unscrew the housing (upper).
8. Remove the shaft from the sleeve.
9. Remove the O-rings from the shaft, sleeve, piston, housings and cap.
Step 4: Reassemble the actuator
1. Install the O-rings on the shaft and sleeve.
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