Burkert 8644 AirLINE Instructions De Service page 120

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I
NSTALLATION
Notes on plug connections
For the plug connections the hoses must fulfil the following requirements:
NOTE
• Minimum hardness of 40 Shore D (to DIN 53505 or ISO 868);
• Outside diameter to DIN 73378 (max. permissible deviation ± 0.1 mm from nominal
dimension);
• Free from burrs, cut off at right angles and undamaged over outer circumference;
• The hoses shall be pushed into the plug connectors as far as they will go.
Disassembly of the plug connections
To release the hoses, depress the pressure ring and pull out the hose.
Type 8644 IE 7