HYDAC FILTER SYSTEMS OLF-5 Series - Changing the Filter Element - Toploader

8 | Performing Maintenance HYDAC FILTER SYSTEMS GMBH
72 / 100 MoWa OLF-5 3433222d en-us print
8.5 Changing the filter element - Toploader
In this chapter, you will find the procedure for changing the fil-
ter element.
1x Allen wrench =5mm
1x Allen wrench =6mm
The following steps relate to a Toploader filter unit/filter hous-
ing.
1. Switch the hydraulic system/the unit off and close the
shut-off device at inlet (IN) and outlet (OUT).
2. Secure the unit from being switched on accidentally dur-
ing maintenance.
3. Perform a depressurization of the filter housing. In order
to do so, carefully open the bleed screw (Air Bleed) on
the filter bowl cover ( =6mm). Do not unscrew the
bleed screw completely.
CAUTION!The operating medium escapes.
4. Keep a suitable container ready to catch the escaping
operating medium.
The contents are ≈3liters.
Empty the filter housing by means of the drain plug
Drain ( =6mm).
NOTICE!Without draining equipment, the escaping
operating medium can flow down over the electric
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