Challenger Techstar CVT MT525B Series, Operators Instruction Book, Page: 153 / 248

7 . ACCESSORIES AND OPTIONS
7.15 Challenger MT500B EU
7
7.3.3 - Adjustments
(Fig. 16), e.g.: example given for a 6-furrow single-wheel
plough.
A to D: Horizontality in HIGH position of the tractor
linkage and of the plough depth wheel:
Set the plough horizontal in the high position using the fol-
lowing controls:
- Lowering selector Q, and high position limiter.
- Manual control of the spool valve for the depth wheel
part. Store the values by pressing key 10 for each of the
windows concerned (B and D):
A. LINKAGE in high position (display stored).
B. Setting the required value of the LINKAGE high posi-
tion.
C. PLOUGH DEPTH WHEEL in high position (display
stored).
D. Setting the required value of the PLOUGH DEPTH
WHEEL high position.
E to H: Horizontality in LOW position of the tractor link-
age and of the plough depth wheel:
Set the plough horizontal in the low position, if possible
with the plough depth wheel ram at the mechanical stop
position, using the following controls:
- Lowering selector Q, height/depth setting knob R.
- Manual control of the spool valve for the depth wheel
part.
Store the values by pressing key 10 for each of the win-
dows concerned (F and H):
E. LINKAGE in stored low position.
F. Setting the required value of the LINKAGE low posi-
tion.
G. PLOUGH DEPTH WHEEL in stored low position.
H. Setting the required value of the PLOUGH DEPTH
WHEEL low position.
I to L: Plough length and furrow partial lowering set-
tings:
To obtain the correct setting, proceed in stages until the
optimum setting is reached, selecting the functions one af-
ter another using the keys ref. 6-1 and 6-2 and knob 14,
then store using key 10.
I.
DISPLAY of the plough LENGTH value at furrow start
(after setting and storage of ref. J).
J. SETTING of the plough LENGTH at furrow start (set
and store).
K. DISPLAY of the furrow start PARTIAL LOWERING
value (after setting and storage of ref. L).
L. SETTING of the furrow PARTIAL LOWERING value
(set and store).
M to P: Plough length and furrow END partial lifting
settings:
To obtain the correct setting, proceed in the same way as
above (I to L).
M. DISPLAY of the plough LENGTH value at furrow end
(after setting and storage of ref. N).
N. SETTING of the plough LENGTH at furrow end (set and
store).
O. DISPLAY of the furrow end PARTIAL LIFTING value
(after setting and storage of ref. P).
P. SETTING of the furrow end PARTIAL LIFTING value
(set and store).
NOTE: Setting steps I to P are very important and deter-
mine the performance of the system.
17
17
80
10
Fig. 16
A
10
2 1
6
14
235
235
23
23
B
17
17
E
F
I
J
M
N
217
217
37
37
80
10
C
D
G
H
K
L
O
P
R
Q
Z2-412-05-03