21
600 Series Technical specification
Auxiliary hydraulics oil flow
The graph under shows auxiliary hydraulics output ow at different engine rpm levels. Some attachment may work
optimally at certain ow level, use the graph to estimate correct engine rpm setting.
Max. auxiliary hydraulics oil ow can not be used with all attachments. Check correct engine rpm
and auxiliary hydraulics pump conguration for the attachment with the help of this graph and the
Operators Manual of the attachment.
21,2
18,5
15,8
13,2
10.6
7.9
5.3
2.6
0
gal/min
RPM
1 and 2 pump setting
The pump selection lever (see page 25) controls the output of the auxiliary hydraulics. Some attachments require high
ow of hydraulic oil. If high ow is needed, select the 2-pump setting with the control lever. See the operator’s manual of
each attachment for recommended oil ow levels.
If the attachment requires only low power to operate, in some cases it can be useful to use the two pump setting while
using low engine rpm. This reduces the noise of the loader. If the attachment or loader stalls, switch to 1-pump setting
and increase engine rpm.
In normal use, keep the pump selection lever at the 1-pump setting to avoid overspeed of the
attachment and stalling of the loader. Keeping the lever at the 2-pump setting unnecessarily
will decrease the efciency of the hydraulic system of the loader.
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