3. Push the screwing plug over the pipe, and place the pipe on the union nut.
4. Pull down the screwing plug.
5. a) Type A connector: Start to screw the plug in by hand. Tighten the plug with a
torque wrench to 20 N·m.
b) Type B connector: Start to screw the plug in by hand. Tighten the plug with
adjustable pliers. Leave 2…3 mm thread visible.
WARNING!
Do not tighten the plug of the type B connector too much. It can break the
connector or pipe.
92 Maintenance
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