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Excess pressure
Insufficient pressure
Adjustment of the hydraulic suspension on the middle cross-kill shaft
The hydraulic suspension on the front centre cross-kill shaft (A), transfers part of
the machine's total weight to the axle, but also has the task of helping the axle to
vertically avoid collisions with rocks or when driving on undulating terrain.
Rollomaximum XL
1 Pressure on the side sections will be too great, leaving clear tracks in
the soil after the side sections have passed.
2 The centre section will not compact the soil enough, as the soil after
the centre section has passed is higher and not as compacted as that
worked by the side sections.
1 The pressure on the extremities of the side sections will be insufficient
to give uniform compaction.
2 The mid-sections will compact the soil too much, leaving the soil after
the mid-section has passed more compacted than that worked by the
side sections.
To prolong the Rollomaximum's service life and the optimise the
tilled field finish, it is very important that the extend/retract outlet
(marked: Red) is set to the float position for field work.
If the outlet (marked: red) is not set to float position, this consti-
tutes incorrect use and in the worst case may cause the frame to
break.
The pressure of this
suspension is set ex
works to 50 bar (B),
which is the optimum
setting
under
conditions. The ma-
nometer for this func-
tion is the first (C) of
the two manometers
mounted on the ma-
chine. If it is wished to
change the pressure,
the stop cock (D) on
the single-acting outlet
is
opened
black), the pressure ad-
justed and the cock is
closed again.
most
(marked:
A
C
B
D
Page 19
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