Rif. UMA800081C - 06/22
IT
EN
EN -
21
OMAL S.p.A.
Headquarters
: Via Ponte Nuovo, 11 - 25050 Rodengo Saiano (BS) Italy •
Production Site:
Via Brognolo, 12 - 25050 Passirano (BS) Italy
Ph.
+39 030 8900145 •
Fax
+39 030 8900423 • [email protected] •
www.omal.com
INSTRUCTION MANUAL
AGO: SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR
DA2880 - DA8000 - SR1440 - SR4000
1) Make sure that both chambers are not pressurized
2) Loosen the lock nut (3)
3) Rotate the screw (4) in a clockwise direction to decrease the opening angle and in a counter clockwise direction to increase such
angle
4) Tighten the lock nut (3)
5) Pressurize the internal chamber with the least pressure enough for the movement of the internal piston (it can be noticed from the
outside due to the partial rotation of the shaft)
6) Verify that the adjustment obtained is the desired one, otherwise repeat the operations from step 1.
NOTE:
WARNING: NEVER UNCREW THE “COMPRESSED SPRINGS” COVER SCREWS DANGER FOR THE OPERATOR.
Internal chamber (central) supply hole
OPEN VALVE ADJUSTMENT
