Azbil Corporation Actuator
Model VFR - FloWing Eccentric Rotary type Control Valves 3-5
(5) Apply a wrench to the hex section of the actuator stem which has been pulled out
and turn the spring compression nut counterclockwise to relieve the compression
force of the spring. Then, remove the spring.
Figure 3-7 Figure 3-8
(6) Next, while holding the outer section of the piston, remove the diaphram
clamping-bolts from the top of the diaphragm section. (See Figure 3-7.)
(7) For the disassembly of the fork and clamp, remove the E-clip and then
disassemble them as shown in Figure 3-8.