Emerson F-Series Installation, Operation And Maintenance Manual page 22

Spring-return actuators
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Section 4: Maintenance
November 2015
13.
Figure 19
14.
15.
16.
Table 4�
17.
18.
19.
19
Installation, Operation and Maintenance Manual
Apply a bead of Bettis approved sealant along the joining edges of the bottom
half of the body.
Place the top half of the body onto the bottom half and secure the two together
with the original bolts and hex nuts removed in step six.
Insert both force modules into the torque module simultaneously to ensure that
both are joined correctly with the torque module.
Coat the threads of the hex nuts removed in step four with medium strength
thread locker and secure the force modules to the torque module with the hex
nuts. Torque the nuts to the corresponding value in the table below.
Model
2200, 2250, 2300
2375, 2488
2575
Tighten the body assembly bolts an additional half turn.
Cycle the actuator to ensure all components are working correctly.
Reattach the actuator to the valve and reinstate the actuator to service.
Ft-Lbs
120
235
400
RGS011110-3 Rev. 0
Nm
163
318
542
Maintenance

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