Operating Instructions
153 146 81
C 9.92
Operating the attachments
Rear attachment or front/rear combinations
1) Calculation of the minimum front ballasting GV min
G
V
min=
G
H
·
(c+d)-T
V
·b
+0.2·
T
L
·b
a
+
b
Enter the calculated minimum ballasting required for the
front of the tractor in the table.
Front attachment
2) Calculation of the minimum rear ballasting GH min
G
H
min=
G
V
·a-T
H
·
b
+
X·T
L
·
b
b
+
c
+
d
Enter the calculated minimum ballasting required for the
rear of the tractor in the table.
(Value X for Holder tractor 0.25 4-wheel)
3) Calculation of the actual front axle load TV tat
(If the minimum front ballasting (GV min) is not obtained with
the front attachment (GV), the weight of the front attach-
ment must be increased to the weight of the minimum front
ballasting.)
T
V
tat=
G
V
·(a
+
b)
+
T
V
·b-G
H
·(c
+
d)
b
Enter the calculated actual and the maximum allowable front
axle load specified in the operating manual of the tractor in
the table.
4) Calculation of the actual total weight Gtat
(If the required minimum rear ballasting (GH min) is not ob-
tained with the rear attachment (GH min), the weight of the
rear attachment must be increased to the weight of the mini-
mum rear ballasting.)
G
tat=
G
V
+
T
L
+G
H
Enter the calculated actual and the permissible total weight
specified in the operating manual of the tractor in the table.
5) Calculation of the actual rear axle load TH tat
T
H tat
=
G
tat
-
T
V tat
Enter the calculated actual and the maximum allowable rear
axle load specified in the tractor operating manual in the
table.