DeZURIK
D10389
Page 8
November 2020
Removing Actuator
Refer to Figures 5 and 6 for component identification.
Flow in the pipeline with the actuator power disconnected can allow the valve to slam
closed and cause personal injury and/or damage to the flow system. Shut down the
flow in the pipeline before disconnecting the actuator power.
1. Shut down the flow in the pipeline.
Moving parts from accidental operation of a powered actuator can cause personal injury
or equipment damage. Disconnect and lock out power to the actuator before servicing.
2. Disconnect and lockout the pneumatic power to the actuator to prevent accidental operation of
the actuator. Also disconnect and lockout any electrical power to the actuator accessories.
3. Remove the jam nut (B29), and remove the threaded pointer (B9) and spacer (B32) from the
stud [
Stud Not Shown in Figure 5
].
4. Remove the four mounting screws (B26) that fasten the actuator to the valve.
5. Remove the actuator from the valve by lifting the actuator from the valve shaft.
Actuator Disassembly
Refer to Figures 5 and 6 for component identification.
1. Remove the four top cover screws (B15) and remove the top cover (B11).
2. Remove the top cover gasket (B13) and the O-ring (B10).
3. Remove the gear (B8).
4. Remove the four cylinder assembly nuts (B20) and lockwashers (B19), and remove the cylinder
assembly (S00) and gasket (B16).
5. Remove the rack screw (B7) and lockwasher (B6), and separate the rack (B5) from the piston
rod (S4).
6. Remove the rack bearing (B3) from the pin (B4).
7. Remove the four end cover nuts (B20) and lockwashers (B19), and remove the end cover (B17)
and gasket (B16).
