Hint!
Replace defective seals, but always fit new housing O-rings to ensure
the tightness of the valve. Always use original spare parts.
Fig.28:
V-ring insertion tool
Prerequisite:
•
Insert V-rings without grease. To facilitate fitting, use water with a drop of
washing-up liquid to remove the surface tension. In order that no rust is
transferred, the washing-up liquid solution must be made up in a ceramic,
plastic, or stainless steel container.
Tools required:
•
V-ring insertion tool
Caution!
Danger of injury!
The scriber can slip off when the V-ring is removed
► Grip the valve disk in a vice with protected jaws.
► Unscrew the curved side of the scriber.
Carry out the following steps:
1.
Put a scriber into the V-ring and take it out.
Fig.29
2.
Before fitting, wet the V-ring on the side not in contact with product (rear side).
Pay attention that water does not drip into the V-ring groove on the valve disk.
3.
Air out the valve upon connection (22).
4.
Put in the V-ring. Make sure the installation position of the V-ring is correct
(see illustration).
Maintenance
Maintenance
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16.03.2023
