35
Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.
DCA DC 2500, 5500 & 7500
Adjustments and operations
The discs speed is related to the PTO rotation and to the pulley (A) that is being used.
Using the standard pulley, the discs will have the same rotation as the PTO (540 rpm).
When using the smaller optional pulley (B), discs rotation will be 360 rpm, assuring
that the fertilizer will not cross the already planted rows on narrow fields.
To change the pulley (C), loosen up the protection cover (D) that is being secured by
bolts (E), spring and flat washers.
Then, loosen up the bolt (F), spring washer and flat washer (G) to let the pulley free.
After removing the pulley (C), replace it by the pulley (B).
After placing the new pulley, carry out the previous steps for fasten it.
Rotating discs speed (optional)
Changing the pulley (optional)
A
B
Avoid to lose the
axle keyway (H), as
the pulley will lose
traction without it.
ATTENTION
D
E
F
G
C
H