Installation Instructions

Rev. 1, 12/97
Installation Instruction 586-135
Page 3 of 3
Method 2
1. Use a Philips head screwdriver to remove the four
screws in the upper housing.
2. Remove the upper housing, diaphragm, and piston
cup.
3. Use a 1-1/4 inch (32 mm) socket wrench with an
extender to loosen the retaining nut.
4. Remove the retaining nut and the lower housing.
Mounting the actuator to a valve.
1. Remove the cardboard from the retaining ring in the
lower housing.
2. Place the actuator on the valve bonnet and hand
tighten.
3. If you need to change the orientation of the actuator,
remove the retaining clip in the lower housing and
rotate the actuator to the desired position.
4. Attach 1/4-inch poly tubing to the adapter.
The installation is now complete.
References
Technical Instruction
AP 599-4 Powermite AP 599 Series
2-inch Pneumatic Valve Actuator 155-189P25
AP0231R1
Figure 2. Two-inch Actuator and Powermite Valve.