Avant 220/225
65
The hydraulic pressure filter:
Located at the right side of the loader, beside the
hydraulic pumps. Use general filter replacement
tool to unscrew the filter.
9. Check pressure of hydraulic system
Pressure checking points and pressure settings for
different functions are listed below.
It is recommended to leave the checking operation to
qualified service technicians. At minimum, a
hydraulic pressure gauge with appropriate
measurement scale and a measurement fitting is
required.
Risk of injection of hydraulic oil
- Wrong handling of the
hydraulic system or wrong tools
can cause ejection of hydraulic
oil. It is recommended that
pressures should only be checked
or adjusted by a competent and
experienced technician. Contact
your AVANT dealer if you need
assistance.
Boom lifting pressure:
Pressure is checked from the manometer fitting
mounted on the main control valve, and shown in the
picture above.
Pressure is measured with full engine revs and by
turning e.g. the bucket tilt control to end position.
Pressure setting should be 20,0 MPa (200 bar).
Auxiliary hydraulics pressure:
Pressure is checked from the auxiliary hydraulics
outlet with full revs and by turning the aux. hydraulics
control lever.
Pressure setting should be 20,0 MPa (200 bar).
Drive pressure:
In order to check the pressure in the drive circuit one
needs to mount a pressure gauge in the pressure
line in each and every case, if pressure seems to be
clearly wrong. There are two pressure relief
cartridges which have fixed 28,0 MPa (280 bar)
pressure setting.
10. Adjust pressure of hydraulic
system
If the pressure of hydraulic system does not seem to
be correct or pressure check indicates that the
pressure is wrong, it can be adjusted.
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