Avant e5
81
Drive pressure:
Drive pressure needs to be checked only if there is a
clear indication of reduced traction force of the
loader.
Drive
pressure
check
is
recommended
only
for
experienced service professionals.
Special instruments are required.
To check the pressure in the drive circuit, you need
to install a pressure measurement fittings to the drive
pump valve block. Pressure gauge with a minimum
range of up to 400 bar is needed.
If pressure seems to be clearly wrong, your nearest
service provider can test the operation of two
pressure relief cartridges which have fixed pressure
setting. Also the hydraulic drive motors, drive pump
feed pressure, and brake release pressure should be
checked when investigating drive system related
troubles.
11.
Adjust pressure of hydraulic
system
If the pressure check of boom and auxiliary hydraulic
systems indicates that the pressure is wrong, it can
be adjusted only in case the adjustment is not
sealed.
Pressure adjustment screw is locked with a nut,
loosen the nut first. Adjust the pressure incrementally
with an allen key. Turn max. 1/8 rounds at a time and
check pressure again. See pictures for pressure
adjustment points.
DANGER
Never exceed the recommended
hydraulic
pressure
settings.
Excessive hydraulic pressure may
lead to hydraulic oil ejection by
hose burst or component failure.
Wrong adjustment will damage or
wear
the
hydraulic
pumps,
cylinders, and hydraulic motors.
Warranty does not cover damages
caused by excessive hydraulic
pressure.
Drive pressure:
Cannot be adjusted by user. If the pressures are
clearly wrong, the pressure relief cartridges with fixed
pressure setting must be replaced. Contact service
for correct parts.
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