Emerson Bettis BHH Series Installation, Operation And Maintenance Manual page 41

Hydraulic double-acting balanced rotary actuator 90 quarter-turn
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Installation, Operation and Maintenance Manual
MAN-02-05-62-0742-EN Rev. 0
The quantity of grease needed is stated on the assembly drawing.
The bearing is greased on each side with half of the described quantity.
1. Firstly the inner thrust washer is mounted.
3. The last thrust bearing is mounted.
1. Mount the bottom cover part, turn clockwise.
3. When the bottom cover has been tightened, it must be positioned below the actuator housing. This is check
with a straightedge.
BHH Re-Mounting
Greasing of Thrust Gage
2. The Thrust gage is mounted with the greased side
downwards and the other side is greased with the
remaining grease.
Mounting of Bottom Part and Cover
2. The bottom cover is tightened with special tools.
Tightening torque is stated on drawing.
If special tools are not available, pins fitting into
the holes are to be used.
Section 11: BHH Re-Mounting
December 2019
36

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