9. MAINTENANCE
Disconnect the power supply before starting any work on the system.
The only routine maintenance operation required involves cleaning the built-in filter (section 9.2).
Instructions are also given for carrying out extraordinary maintenance operations that may be necessary in special cases
(e.g. draining the system before storing it during shutdowns).
9.1 Accessory tool
Together with the product, DAB supplies an accessory for removing the filler and breather caps.
ENGLISH
Figure 5
Figure 6
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