ALMAC BiBi 850 HE, Use And Maintenance Manual

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6.10 Hydraulic filter replacement
Replace the discharge filters of the hydraulic circuit at the frequencies indicated in the general chart.
The figure above shows the positions of the discharge filters ( 1 ), screwed inside the hydraulic tank or
those of the return filter ( 2 ) located on the top of the tank itself.
6.10.1 Discharge filter replacement
To replace the discharge filters located inside the hydraulic
tank, proceed as follows:
1) Arrange the machine with the extending structure lifted
and block it with the special tool for maintenance (see sec. 2.9
Safety regulations during maintenance. Now turn it off
and deactivate the electric panel
2) Empty the hydraulic oil reservoir
3) Unscrew the blocking screws ( 3 ) on the hydraulic tank lid
and remove it from its housing
4) Unscrew the filter cartridge ( 1 ). Take care of the seals
and/or O-rings
5) Remove the filter ( 1 ) and fit a new one in its place
6) Work through the instructions above in reverse order to
restore the machine to its normal operating conditions
7) Seal the lid with sealing paste
8) Fill the hydraulic oil reservoir with oil and check the level.
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