F 61 8
Bleeding the filter
- Fill the opened filter housing with hy-
draulic oil up to approx. 2 cm below
the top edge.
- If the oil level drops, replenish
oil again.
A
Slow oil level reduction of approx. 1 cm /
min. is normal!
- If the oil level remains stable, slowly
insert the assembled unit with new fil-
ter element into the housing and tight-
en the cover mounting screws (A).
- Open the bleed screw (G).
- Place a transparent hose (H) onto the
bleed screw, ending in a suitable con-
tainer.
- Start the up drive engine at idle speed.
- Close the bleed screw (G) as soon as
the oil forced through the hose is clear
and therefore free of air bubbles.
A
The process from assembling the filter
cover to starting the drive engine should
take place in less than 3 minutes, as the
oil level in the filter housing otherwise
falls too far.
m
Ensure seal integrity is good after changing the filter.
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