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HTC D60
www.htc-oorsystems.comV 1.0
7.5 Filter replacement
If there is dust in the ne lter, it has passed the coarse lter, which must then be replaced.
Also use a bag here to protect against dust particles.
Warning!
The dust that is sucked up may be harmful if inhaled. Follow local
regulations and use breathing protection.
To check the lter, start by disconnecting the hose to the ne lter and checking in the hose con-
nection for dust on the inside of the ne lter. In the event of dust, remove the lock ring, pull a bag
over to reduce contact with dust particles and replace the lter.
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