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4.1.4 Pressurize hydraulic cylinder circuits
Clean hydraulic oil will prevent excessive wear and premature failure of components. Change
the tractor filter and oil as per manufacturer’s instructions.
4.2.1 Integrated oil filter
A high-pressure oil filter is applied in the
pressure line, in front of the valve bank.
For replacement of the filter element - see
chapter “Maintenance”.
Filter visual indicator (I)
Green
- filter element is clean
Red
- change filter element
Check the filter when the oil is warm (at trac-
tor engine rpm as for ordinary wrapping).
Cold oil may give wrong indication.
Note! On tractors with closed centre system,
the pre-stretcher ring must rotate in order to
get correct indication (oil must flow through
the filter). Be careful. Beware of the moving
pre-stretcher ring.
Operating the machine
During stand still over a period pressure of vital hydraulic circuits might have been released. By
simply pushing Select key no. 1 while (within 5 seconds) system is powering up, hydraulic
pressure will be activated for a short time on film cutters, chamber top section and chamber
bottom section in order to make sure that components are in correct position with check valves
closed.
4.2 Use clean hydraulic oil!
Switch on power supply to control panel.
While Pressurize hydraulics icon is shown
on select key 1, press this key once.
Hydraulic cylinders of film cutters, cham-
ber top & chamber bottom sections are
activated for a short time to make sure
they are in initial (closed) position with
check valve activated.
Notify: This function is disabled if the
top section is lifted.
Summary of Contents for BIO+ B4000
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