Zetor Major 80, Operator'S Manual

Page: 63 / 157

63
DRIVE OF AGRICULTURAL MACHINES
NM13N008 NM13N004 NM13N005
MANUAL DISENGAGEMENT OF PTO
SHAFT CLUTCH LEVER
By pulling manual clutch disengagement
lever to upper position, disengagement
of PTO shaft clutch occurs. The upper
position of the lever is signalized by a lit
control on a dashboard. The lever is
automatically locked with a catch in the
upper position. The lever can be
unlocked and return to the lower position
by lifting the lever and pressing the but-
ton on the forefront of the lever.
Upper position
- clutch disengaged
Lower position - clutch engaged
If manual disengagement of the
clutch lever is pulled for a longer
period of time, increased wear of
lamely of PTO shaft occurs.
PTO SHAFT DRIVE ENGAGEMENT
LEVER
Rear PTO shaft is engaged with a lever
(1) shaft drive placed on the left side of
driver’s seat.
a - dependent revolutions of PTO
with PTO shaft drive via gearbox
– revolutions are dependent on
the engaged gear
n - Neutral position
b - independent revolutions of PTO
shaft drive – revolutions are de-
pendent on engine revolutions
Gear shifting is done with engine at
standstill and engaged manual clutch
lever.
PTO SHAFT REVOLUTIONS 540 AND
1000 RPM SHIFTING LEVER
Shifting 540 or 1 000 revolutions of rear
PTO shaft is done with a lever (1) placed
on the outer side of tractor on rear PTO
shaft.
a - 1 000 rpm
b - 540 rpm
Shifting is done with an engine at stand-
still and lever of engaging PTO shaft
drive in (n) position.
PTO shaft revolutions need to be
selected depending on the pre-
scribed revolutions from aggre-
gated machines.