VAT Series 651 Installation, Operating, & Maintenance Instructions page 42

25. Remove actuator shaft seals
carefully with a soft tool.
26. Clean actuator feedthrough with
alcohol.
27. Lubricate each o-ring groove with
0.1 ml vacuum grease. Pay attention
that grease is distributed constantly
over the whole circumference.
28. Clean or replace seals if necessary.
Lubricate each o-ring with 0.05 ml
vacuum grease.
29. Install o-rings.
30. Deposit 0.1 ml vacuum grease on
each o-ring. Pay attention that
grease is distributed constantly over
the whole circumference.
31. Remove fixation kit and mounting
screw for pendulum plate.
32. Clean screw and slightly lubricate
thread with 0.1 ml vacuum grease,
then reinstall fixation kit.
33. Clean actuator shaft and lubricate it
with 0.1 ml vacuum grease.
34. Install actuator
• Tighten actuator screws with 6 Nm.
• Remove vacuum grease from
actuator shaft face after installation.
35. Install controller
• Tighten the controller screws with
1 Nm.
•
Connect cables at controller
•
Connect compressed air at
actuator
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 CH@vatvalve.com www.vatvalve.com
Installation, Operating & Maintenance Instructions
Series 651 DN 320-400 (I.D. 12" - 16"), Logic
D e s c r i p t i o n Required tool
• Soft tool
(o-ring remover)
• Vacuum grease
Allen Wrench
5mm
Allen Wrench
4mm
267736ED
42/53
2008-02-26