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Figure 1-49. Removing the mounted
actuator on the valve box
3. Disengage the actuator drive shaft coupler
with the valve.
Released: April 2004
Figure 1-50. Disengaging the actuator drive
6850 Series Gas Chromatograph Service Procedures
a. Tighten the hex nut on the actuator near
the drive shaft.
b. Slide the shaft up.
c. Insert a flat bladed screw driver in the
slot on the top of the actuator and turn
the shaft back and forth until you feel
the coupler disengage the valve.
d. Loosen the set screw.
shaft with the valve
129
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