24
Operator´s manual round bale wrapper 7640
A
U
T
P
7
23+24
4+5
A
B
6.3.3 Closed centre hydraulics
When powered by tractors with closed centre hydraulics (John Deere 30-, 40- og 50-serie), the
line of the valve block should be closed.
Observe! When connecting to another type of tractor the centre plug must again be
removed! Otherwise the hydraulic pump of the tractor will break down due to severe overheat-
ing of oil.
6.3.3.3 Model C
Unscrew plug 4 + seal 5 & plug 22. Fit
orifice 7, seal 23 and plug 22. Refit seal 5 &
plug 4.
This is not applicable to tractors with Load
sensing system.
6.3.3.1 Model M
The central duct of the hydraulic valve bank
must be plugged as described below:
Insert a blocking bolt A in position U.
This is not applicable to tractors with Load
sensing system.
Preparation for use
Summary of Contents for 7640
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