VAT 653 Series Installation, Operating, & Maintenance Instructions page 88
Pendulum control & isolation valve with devicenet® interface
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5.
Open valve
Stand away from valve –
pendulum plate moves out of the
valve body.
6.
Unfasten mounting screw for pendulum
plate.
7.
Remove pendulum plate.
8.
With one hand press the
MAINTENANCE BUTTON to lower the
sealing ring, with your second hand
unlock the sealing ring by pressing the
handle.
9.
Release MAINTENANCE BUTTON.
10. Remove sealing ring.
11. To prevent the shaft and retaining pins
from moving during work, switch the
valve to safety mode. Refer to «Safety
mode» for details.
Retaining pins will move up.
12. Remove gate and body o-ring from
sealing ring carefully with a soft tool.
13. Remove grease residues at sealing ring
with alcohol.
Clean sealing ring and pendulum plate
with alcohol or in an ultrasonic bath.
14. Clean out valve body with alcohol. Use
an appropriate non metal tool with a
cloth to enter valve body.
Do not enter valve body with hands!
Then blow out valve body with clean air.
88/110
MAINTENANCE
Description
pendulum plate
Edition 2019-06-05
mounting screw
for pendulum plate
maintenance button
gate seal
Series 65
Required tool
Open end
wrench
13mm
982156EB
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