VAT 653 Series Installation, Operating, & Maintenance Instructions page 89

Series 65
Do not directly expose seals (actuator
and retaining pin feedthroughs) to air
stream!
15. Clean or replace gate seal if necessary.
Install gate o-ring to sealing ring without
grease.
16. Clean or replace body seal if
necessary.
Lubricate body with the quantity of
vacuum grease listed in the table to
the right.
17. Install body seal into sealing ring.
18. Deposit vacuum grease on the bottom
side of the body seal according to
drawing below. Pay attention that the
quantity of vacuum grease listed in the
table to the right is distributed
constantly over the whole
circumference.
19. Reassembly the valve in reverse
order, step 9...3.
20. Close the valve bonnet, see steps
31...33.
21. Mount valve bonnet.
• Tightening torques for bonnet screws,
see in table to the right.
22. To leave the maintenance mode press
"Restart" button or power cycle the
controller.
23. Set the valve to remote mode
982156EB
MAINTENANCE
Description
Valve size
DN 100
DN 160
DN 200
DN 250
Valve size
DN 100
DN 160
DN 200
DN 250
Apply grease deposit
on this side
Max. torque 6 Nm
Edition 2019-06-05
body seal
Quantity of grease [ml]
0.1
0.15
0.2
0.2
Quantity of grease [ml]
0.2
0.25
0.3
0.4
Required tool
Soft tool
(o-ring remover)
Vacuum grease
Vacuum grease
Vacuum grease
Allen wrench
5mm
CPA & Service
cable
(PC to valve
Service
connector)
89/110