Installation, Operating & Maintenance Instructions
Series 612 DN 250 (I.D. 10”), EtherCAT
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com
282408EB
2012-04-23
70/81
Description
Required tool
6. Remove mechanical unit and clean
shaft.
Se
al
remova
l an
d
val
ve cle
an
in
g
7. Remove o-rings.
8. Clean shaft feedthrough and valve
body.
Lint and dust
free cloth
soaked with
isopropyl
alcohol
Lu
bri
cate
an
d in
stall
sea
ls
9. Lubricate seal contact surface of
valve body with a slight film of
vacuum grease (0.025 ml).
10. Lubricate each o-ring with a slight film
of vacuum grease (0.0125 ml).
Vacuum grease
11. Lubricate seal contact surface of
shaft with a slight film of vacuum
grease (0.0125 ml).
12. Slide both o-rings onto shaft till the
end.
13. Deposit 0.0375 ml vacuum grease
between the o-rings
14. Clean shaft from vacuum grease.
Vacuum grease
