7 . ACCESSORIES AND OPTIONS
7.80
Challenger MT500B EU
7.13.3.4 - Setting furrow start length
To ensure that the last plough share enters the soil at the
same place as the first share (Y Fig. 193), the DATATRON-
IC must know the length X between the first and last share
(47 Fig. 193).
• Press the key
«
4
when the window (Fig. 194) is open.
The furrow start length is displayed in red (48 Fig. 194).
NOTE: On b/w screens, these values are displayed in
reverse video.
• Adjust the length X by rotating the encoder and validate
by pressing the latter. The length is displayed in black
inside the white and grey box, and the linkage furrow
start height is displayed in red (49 Fig. 194).
NOTE: To return to the previous menu, press the ESC
key.
7.13.3.5 - Setting furrow start depth wheel partial
lowering
Definition:
For the plough to enter the soil as rapidly as possible, it
must be partially lowered (50 Fig. 195) as soon as the link-
age control is actuated.
Next, as soon as distance X has been covered, the plough
depth wheel is lowered to its working position (51 Fig.
195).
For this manoeuvre to be performed automatically, the
depth wheel partial lowering value must be defined.
NOTE: To set the depth wheel partial lowering value,
first set the furrow start length (48 Fig. 194).
Settings:
• When the linkage height is displayed in red (49 Fig. 194),
adjust the latter by rotating the encoder.
• Validate by pressing the encoder. The value is displayed
in black (52 Fig. 196).
Y
Y
X
Z3A-967-08-04
Fig. 193
47
79%68%
100%
27%
27%
100%
6.0
100%
100%
6.0
6.0
1920
42.0
68% 79%
27% 32%
6.0
Z3A-968-08-04-B
Fig. 194
m
m
m
m
48
49
Y
Y
X
Z3A-967-08-04
Fig. 195
50
51
79%68%
100%
27%
27%
4.5
100%
100%
6.0
6.0
1920
42.0
68% 79%
27% 32%
4.5
100%
Z3A-980-08-04-B
Fig. 196
m
m
m
m
52
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