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Installation, Operating & Maintenance Instructions
Series 615 DN 40 (I.D. 1.5”), RS485
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com
289111EB
2013-02-05
75/96
5.1.1 Replacement of plate o-ring
Description
Required tool
Pre
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1. Vent vacuum system on both sides of the valve.
2. Move the plate to position 50% open.
3. Disconnect electrical POWER connector at valve and remove valve from
vacuum system.
Pay attention:
– Electrical power is needed for plate adjustment in step 19.
– Take care to the sealing surface!
Rem
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4. Unfasten and remove the 2 fastening
screws
Allen Wrench
3mm
5. Push the plate a little down
6. Remove the plate on the other side of
shaft
Rep
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7. Remove the plate o-ring
8. Replace the plate if necessary
Soft tool