W&H S-11 L G Instructions For Use Manual page 29

Cleaning of the external coolant tubes
The removable coolant tube and the
nozzle cleaner can be cleaned in an
ultrasonic bath.
Clean coolant outlets carefully with the nozzle

cleaner to remove dirt and deposits.
Blow through the coolant tube with the air syringe.

In case of blocked coolant outlets or
coolant tubes contact an authorized
W&H service partner (see page 51).
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