Engagement Of Rear Pto Shaft - Dependent Revolutions; Automatic Disengagement Of Pto Clutch - Zetor FORTERRA HD Series Operator's Manual

Engagement of rear PTO shaft - dependent revolutions

The number and the direction of the revolutions are
dependent on the engaged gear and the position of
reversing lever. The position of reduction lever does not
have any influence on the number rear PTO shaft
revolutions in dependent revolution mode.
With engine running:
1. Rear PTO shaft dependent revolutions are selected by
PTO shaft revolutions preselection lever.
2. Rear PTO shaft switch (3) is not functional in this mode.
3. Select applicable revolutions by rear PTO shaft
selection switch (2).
4. Engage gear by the main gear shifting lever and the
direction of drive by reversing lever. When tractor drives
off, rear PTO shaft also spins.
Automatic PTO clutch disengagement is not
functional in this mode.

Automatic disengagement of PTO clutch

The function of automatic disengagement of the PTO clutch means that with PTO shaft engaged after lifting
the arms of rear three-point hitch, the rear PTO clutch is disengaged automatically and the shaft comes to
a halt, after subsequent lowering or arms of three-point hitch, the rear PTO shaft is automatically engaged
and the shaft spins provided that the direction of drive is engaged by reversing lever and the tractor has
travelling speed of at least 0.3 km/h.
By switching the switch from (A) to (B) position, the rear PTO clutch is engaged. By pressing the switch from
(B) position to (C) position that lasts at least three seconds Automatic disengagement of PTO shaft clutch is
engaged. After releasing the pressure, the switch (1) returns to (B) position.
By another depression of switch (A) from (B) position to (C) position, this function is disengaged.
Activation of Automatic disengagement of PTO shaft clutch function is signalled by a symbol (D) displayed
on the display of dashboard.
DRIVE OF AGRICULTURAL MACHINERY
FHD14N015
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FHD14N012_1