Baker Hughes Masoneilan 4700P, Instruction Manual

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Masoneilan 4700P/E & 4800P/E Positioners Manual | 35 © 2021 Baker Hughes Company. All rights reserved.
Lever S/A Orientation
See “Field Mounting and Complete Calibration, Rotary Actuators” on page 40 and “Field
Mounting and Complete Calibration Reciprocating Valves using 87/88 Actuators” on page 43).
The relative position of the lever S/A (3) for a selected cam lobe must be correct. The lever S/A
can be mounted with its pivot post to the left or right of the cam center.
Changing Lever S/A Orientation
See “Field Mounting and Complete Calibration, Rotary Actuators” on page 54 and “Field
Mounting and Complete Calibration Reciprocating Valves using 87/88 Actuators” on page 43).
If lever S/A (3) must be changed, remove screw (28), lockwasher (51) and washer (27), and
cam (26) from cam shaft. Remove retaining ring (17) and flat washer (16). Remove lever S/A
(3) from pivot post. Lift and rotate lever S/A (3) on spring end 180° to desired position. (Do not
rotate spring end; socket head screw on spring must face outward.) Replace flat washer (16)
and retaining ring (17) on pivot post.