Replacing the V-ring RA valve disk
Prerequisites
●
The valve has been removed, see
9.5 Removing the valve
.
●
Insert V-ring without grease. To facilitate tting, use water with a drop of wash-
ing-up liquid to remove the surface tension. To ensure that no rust is transfer-
red, the washing-up liquid solution must be mixed in a ceramic, plastic, or stain-
less steel container.
Tools
●
V-ring insertion tool
●
Pickset
●
Vice support
CAUTION
Sharp-edged tool
Risk of injury if the scriber slips when removing the V-ring.
●
Grip the valve disk in a vice with protected jaws.
●
Unscrew the curved side of the scriber.
1. Use a scriber to puncture the V-ring
and take it out.
2. Before mounting, wet the V-ring RA on the side not in contact with product (rear
side). Ensur
e that water does not drip into the V-ring groove on the valve disk.
3.
INFO
Ensure
that the installation position of
the V-ring is correct.
Insert the V-ring RA.
9.7 Maintenance - 85 / 104
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