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11.5 Maintenance
Dismantle only when the level indicator is depressurised and empty.
Danger
In case of defects and leaks, the complete drain valve must be
replaced!
Exchanging of the valve
The exchanging of the valve may only be
carried out by specialists!
Caution
Loosen the pipe screw connection from the drain valve and pull
off the pipe. Unscrew the shut-off valve from the transparent level
gauge.
Screw a new drain valve with a new seal (supplied with shut-off
valve) into the transparent level gauge, paying attention to the
position of the handwheel. Screw the pipeline onto the shut-off
valve. Check for leaks, tighten screw connections if necessary.
Spare parts and further information can be found in the product-specific
assembly and operating instructions or in the data sheet.
Info
Drain valve AV250
31
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