ACTUATECH GS1920 Інструкція з експлуатації - Сторінка 12
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INSTRUCTION MANUAL
SCOTCH–YOKE PART TURN PNEUMATIC ACTUATOR
GD2880 - GD8000 AND GS1440 - GS4000
C) The dynamic seal (part N° 10), O-ring (part N° 12) and supports (part N° 11) should be checked before replacement. Do not use
sharp tools to cut the dynamic seal and O-ring or remove the supports from the piston as this may cause furrows or marks.
D) When the components are disassembled, they should be properly cleaned, and wear checked prior to being greased and reas-
sembled. In case the sealing parts are too much worn out use new parts from the spare parts kit.
WARNING. Due to ACTUATECH scotch-yoke shaft blow-out security system the shaft disassembly operation must be carried out by
ACTUATECH technician only.
Assembly.
A) O-ring (part N° 12) and dynamic seal (part N° 10) shall be greased and mounted onto the piston seat using a proper conical tool
(see the drawing) that allows an easy and perfect slip-in of the items without any damages.
B) Push into its piston seats the P.T.F.E. supports (part N° 11).
C) Grease the pistons (part N° 2) on the replaced parts (parts N° 10+11+12), and the piston bearings (part N° 8).
D) Grease the internal cylinder surface (part N° 1).
E) Position the scotch-yoke shaft (part N° 5) in order to have the groves in position for the pistons insertion and the right shaft required
direction of rotation.
F) Insert the pistons (part N°2), using a proper conical tool (see the drawing), in the scotch-yoke grooves (part N° 5) and press simul-
taneously the two pistons inside of the cylinder (part N° 1). The ACTUATECH scotch-yoke system will avoid pistons misalignment.
Holding the actuator on a vice rotate the shaft to verify the shaft rotation direction and the easy movement.
G) Replace the sealing O-ring (part N° 19) on its caps seat (part N° 3) and grease it. Fit the end caps to the body screwing the screws
in cross (part N° 20).
N.B. For the screw torque wrench setting see pg. 9.
ACTUATECH S.p.A
Via S. Lorenzo, 70, 25069 Villa Carcina (BS) Italy •
Ph.
+39 030 8908142 •
Fax
+39 030 8908143 • [email protected] •
www.actuatech.com
12
EN -
Rif. MAN80937 - 03/22