Reassembly And Settings Of The Limit Stops - Emerson Bettis RPE-Series Installation, Operation And Maintenance Manual

Rack and pinion pneumatic actuators
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Installation, Operation and Maintenance Manual
DOC.IOM.BE.EN Rev. 12
9.4

Reassembly and Settings of the Limit Stops

1.
Figure 30
2.
3.
4.
5.
Reassembly
Install the limit stop screws (30), limit stop nuts (31), limit stop washers (32) and
limit stop O-rings (33).
Install Limit Stop Bolts
33
32
Move the pistons inward until the slot in the top of the pinion is perpendicular to
centerline of the housing.
Double check if the position of the slot and the cam on the pinion top is in the
correct position (see Figure 30). Screw in the right hand travel stop until it comes
into contact with the pinion stop face.
Move the pistons outward until the slot in the top of the pinion is in line with the
centerline of the housing.
Screw in the left hand travel stop until it comes into contact with the pinion stop face.
For accurate travel stop adjustment of the actuator on the valve, see Section 5.
31
30
Section 9: Reassembly
October 2021
39

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