Challenger Techstar CVT MT525B Series, Operators Instruction Book

Page: 226 / 248

7 . ACCESSORIES AND OPTIONS
7.88 Challenger MT500B EU
Instructions for modifying furrow start and end
lengths:
• To make these settings, the icon in the right-hand win-
dow must be displayed above the field (transport mode)
(77 Fig. 216).
• Move the tractor and its implement to the end of the
field (as in window (77 Fig. 216)), placing the linkage
control in neutral position.
NOTE: All of these different possible situations, i.e. all
different field shapes, are listed in section 7.8.5.3. You
can thus use the diagram the best fits your field to make
the necessary adjustments.
IMPORTANT: if the ploughed earth is to be tilled to the
left of the tractor on the outward run, move the tractor
icon by pressing the key
«
3
until it is in transport posi-
tion, as in the window (78 Fig. 217).
• Press the key
«
4
(furrow start) when the window (Fig.
216) is open. The value is displayed in red (79 Fig. 216).
NOTE: On a b/w display, the active window is indicated
by the same icon in reverse video.
• Using the encoder, adjust the value (positive or nega-
tive). This value corresponds to the furrow start length
(A Fig. 218 positive furrow start).
• Validate this value by pressing the encoder. It is dis-
played in blue and the field shape is modified according
to the positive or negative value (e.g. (80 Fig. 219) posi-
tive length).
• To modify the furrow end value, press the key
«
5
and
proceed in the same manner. This value correspond to
length B of the diagram (Fig. 218 positive furrow end).
The key
«
6
(RESET) resets the previous lengths.
Operation :
The DUAL CONTROL function must first be activated. For
this, see section 7.8.3.7. (Activating the REAR DUAL CON-
TROL function).
A
B
1000
2000
790
5.3 10% M
5%
540
1
2000
OFF
0.0
0.0
Reset
Syncr
2
Z3A-809-08-04-B
Fig. 216
REAR DUAL CTRL POINTS
m
m
RPM
KPH
77
79
A
B
1000
2000
790
5.3 10% M
5%
540
1
2000
OFF
0.0
0.0
Reset
Syncr
2
Z3A-1368-12-04
Fig. 217
REAR DUAL CTRL POINTS
m
m
RPM
KPH
78
B
A
Z3A-807-08-04-A Fig. 218
A
B
1000
2000
790
5.3
10% M
5%
540
1
2000
OFF
1.4
0.0
Reset
Syncr
2
Z3A-1367-12-04
Fig. 219
REAR DUAL CTRL POINTS
m
m
RPM
KPH
80