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DRIVE OF AGRICULTURAL MACHINERY
from Zetor Tractor Forterra 100 Forterra 110 Forterra 120 Forterra 130 Forterra 140 Operator’s Manual
Control
Switches and controls of front and rear PTO shaft control are located on the right column of the cabin.
1. The control of the selection of rear PTO shaft revolutions (P.T.O.)
Preselection Of Standard And Economic Rear Pto Shaft Revolutions Lever
The lever is placed on the right side of driver’s seat. After shifting the lever it is necessary to lift the collar in the direction of the arrow (C).


A - Standard PTO shaft revolutions engaged
N - Neutral position
The ending of rear PTO shaft can be spun freely
B - PTO shaft economic revolutions engaged
540 or 1000 revolutions of rear PTO shaft can be engaged by a rear PTO shaft revolutions switch on the right column of the cabin with engaged standard PTO shaft revolutions (A).
When engaging economic PTO shaft revolutions (B), it is possible to engage 540E or 1000E rear PTO shaft revolutions on the right column of the cabin
Facilitating Connection Of Joint Shaft Of An Aggregated Machine To The Tractor
For facilitating the connection of joint shaft of aggregated machine to a tractor a button (1) placed on mudguards can be used. With the engine running and rear PTO shaft switch off, spinning of rear PTO shaft occurs after pressing the button (1). PTO shaft stops spinning after releasing the button.
Beware: standard and economic rear PTO shaft revolutions must not be in (N) position.
When manipulating with PTO shaft by means of buttons (1), the operator must stand beyond the space of the connected tools not to be caught or injured.
Drive Of Agricultural Machinery
SELECTION SWITCH OF REAR PTO CLUTCH REVOLUTIONS (P.T.O.)
Shifting rear PTO shaft revolutions is done by a switch (1) placed on the right column of the cabin. The switch is equipped with a mechanical lock (2) against unwanted switch. When switching the switch, depress the lock in downward direction.
A - 540 rpm
B - 1000 rpm
The change of PTO shaft revolutions - 540 and 1000 per to be done only with PTO shaft at halt!
Check that the revolutions of PTO shaft are set accordingly with regard for the connected tools!
Replaceable End Points Of Rear Pto Shaft
The tractor is equipped with six or twenty-one splined replaceable end point of rear PTO shaft.
Replacement procedure:
1. Use safety ring pliers to demount a safety ring (1)
2. Remove replaceable end point by pulling in the direction of an arrow (2)
3. Mount the end point in an opposite way, pay increased attention to the mounting of the safety ring (1)

Drive Of Agricultural Machinery
Rear Pto Switch
Rear PTO shaft clutch is engaged by switch of rear PTO shaft. After engagement of the switch the shaft spins. The engagement of the rear PTO clutch is done by a switch (1) placed on the right column of the cabin. The switch is equipped with a mechanical lock (2) against unwanted switch. When switching the switch, depress the lock in downward direction.
After switching the switch (1) from (A) position to (B) position rear PTO shaft clutch is engaged and the shaft spins. After switching the switch (1) from (B) position to (A) position rear PTO shaft clutch is engaged and the shaft stops.

A - rear PTO shaft clutch disengaged
B - rear PTO shaft clutch engaged
Check that the PTO shaft revolutions are set properly with regard for the connected tools!