VAT 650 Series Installation, Operating, & Maintenance Instructions page 81

24. Unfasten all 3 actuator screws and
remove actuator.
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. Then reinstall fixation kit.
33. Clean actuator shaft and lubricate it
with 0.1 ml vacuum grease.
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 650 DN 100-250 (I.D. 4" - 10"), CC-Link
D e s c r i p t i o n Required tool
Allen Wrench
5 mm
• Soft tool
(o-ring remover)
• Vacuum grease
Vacuum grease
Vacuum grease
280672EB
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2010-12-15