AVANT 220 - Page 66

Avant 220/225
66
Adjust the pressure with an allen key, max. 1/8
rounds at a time. 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.
Boom pressure adjustment:
Boom pressures adjusted from the pressure relief
valve a at the main control valve.
Adjust by turning the screw incrementally and lock by
tightening the locking nut.
Pressure relief valve b, shown in the picture above,
is an internal control valve which does not affect
boom cylinder pressures. Its adjustment is allowed
only to authorised service.
Auxiliary hydraulics:
Auxiliary hydraulics
system pressure is
adjusted from the pressure
relief valve of the aux
hydraulics control valve.
Pressure adjustment
screw is locked with a nut,
loosen the nut first.
Adjust by turning the
screw incrementally
through a hole on the
metal panel.
Drive pressure:
Can not be adjusted by user. If the pressures are
clearly wrong, the pressure relief cartridges with 28,0
MPa (280 bar) bar fixed pressure setting must be
replaced.