VAT 642 Series Installation, Operating, & Maintenance Instructions page 75

Series 642
20. Insert the crank bolt at lever
If necessary use a new crank bolt
(for new crank bolt refer to
chapter: «Spare parts»).
21. Fasten the crank bolt screw
adequately
22. Push in the gate assembly into valve
body
23. Clean the valve bonnet
24. Clean or replace the bonnet seal
25. Lubricate the seal side with 0.1 ml
vacuum grease
If necessary to use a new
bonnet seal (for new bonnet
seal refer to chapter: «Spare
parts»). If new bonnet seal is
used (also in case of
VATSEAL), no cleaning and
lubrication is needed.
605403ED
MAINTENANCE
Description
Edition 2017-11-24
Required tool
Allen torque wrench
4 mm
Clean room wiper a
little soaked with
isopropyl alcohol
Clean room wiper
Vacuum grease
75/94