SKY Agriculture Easy Drill W4000, Original Instructions Manual, Page: 18 / 109

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