Sulky HR 160, Original Instructions Manual

Page: 23 / 61

A
t
raCtor Control
To be checked:
• The total authorised weight.
• The permitted weight per axle.
• The authorised support weight on the tractor’s linkage.
• The permissible load capacity for the tyres fitted to the tractor.
• Is the authorised linkage weight sufficient?
All of this information can be found on the registration papers, or on the data plate and in the tractor manual.
Figures that you should know
P (kg) Unladen weight of tractor Consult the tractor’s instruction manual or the registration documents.
P1 (kg)
Weight on the front axle
when the tractor is empty
P2
(kg)
Weight on the rear axle
when the tractor is empty
M1
(kg) Total weight of front ballast
Consult the technical characteristics
of the tractor and the front ballast, or measure.
M2 (kg)
Weight of the rotary harrow
or of the tool
Consult the machine’s technical characteristics.
(see section
5
“Characteristics”).
M3 (kg) Weight of the drill + seed
Consult the machine’s technical characteristics.
(see section
5
“Characteristics”).
a (m)
Distance between the centre of gravity
of the front ballast
and the centre of the front axle
Consult the technical characteristics
of the tractor and the front ballast, or measure.
b
(m) Wheelbase of tractor
Consult the instruction manual
or the tractor’s registration documents, or measure.
c
(m) Distance between the lower linkage pins
and the centre of the rear axle.
d (m) Distance between the lower linkage pins
and the centre of gravity of the machine.
Consult the machine’s technical characteristics.
(see section
5
“Characteristics”).
d2 (m)
Distance of the centre of gravity
from the rotary harrow
d3 (m)
Distance of the centre of gravity of drill
+ seed
M1 mini = Calculation of the minimum ballast need in front.
P1c = Calculation of the weight on the front axle
Pc = Calculation of the total weight of the unit (t machine)
P2c = Calculation of the weight on the rear axle
Values calculated Tractor’s permissible values
Values permissible with the tyres
that are fitted to the tractor
P1c
P2c
Pc
- Complete the table below:
- Check that:
• The values calculated should be ‹ or = to the tractor’s permissible values and the values for the tyres fitted to the tractor.
• It is essential that the minimum load on the front axle is > or = to 20% of the unladen tractor weight.
The machine must not be hitched to a tractor if:
The total weight calculated is > than the maximum authorised weight.
The weight on the front axle is ‹ than the minimum required.
The weight on the tractor’s front axle should be at least 20% of the unladen weight of the tractor.
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