OLGAS-H
– High pressure spring return hydraulic actuator
Use and maintenance manual
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Pag. 25
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3.4 CALIBRATION OF THE ANGULAR STROKE
The angular stroke of the yoke can be adjusted between 82°
98°
(
4° with respect to the nominal positions of complete opening and
closing) by means the mechanical stops screwed at the end of
spring-cartridge, and into the end flange of the pneumatic cylinder
(Picture 8).
Picture 9
– Mechanical stops
For the adjustment of the mechanical stop on the end flange of
cylinder, follow these steps (Figure 10):
❑
Remove with the specific wrench (c2) the plug of cylinder end-
flange.
❑
Insert a wrench for Allen keys (c1) in the through hole until
reaching the adjustment pin.
❑
Turn counter-clockwise to increase the angular stroke, turn
clockwise to decrease it.
❑
When the adjustment is over tighten the plug with the wrench c2.
