SKY Agriculture Easy Drill W Series Original Instructions Manual page 18

Before start-up
B
Calculation method
16 16
Please complete the table on the page opposite
b1 - Calculating the minimum front ballast (enter value on page opposite)
Frb(min) =
b2 - Calculating the actual load on the front axle (enter value on page opposite)
Fal(tot)
b3 - Calculating the total actual weight (enter value on page opposite)
W(tot)
b3 - Calculating the actual load on the rear axle (enter value on page opposite)
Ral(tot)
Lt.c – Fal.b + 0.2.Uw.b
a + b
Frb.(a + b) + Frb.b - Lt.c
=
b
= Frb + Uw + Lt
= W(tot) - Fal(tot)
You must use a front ballast
whose mass is greater than
or equal to the minimum
required value Frb(min)