8 | Performing maintenance
HYDAC FILTER SYSTEMS GMBH
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MoWa OLFBD 3708828a en-us lq
1.
Perform a depressurization of the filter housing.
To accomplish this, use the Allen wrench
= 6 mm to
screw out the ventilation and air bleed screw (VENT)
completely in counterclockwise direction.
2.
Empty filter housing. Screw the drain screw (DRAIN) out
completely using the Allen wrench
= 6 mm in coun-
terclockwise direction.
Collect the escaping fluid (≈ 1 liter) in a suitable con-
tainer (1) and dispose of it in an environmentally friendly
manner.
