Preparing for operation
45
Rotor speed
The table below lists the rotor speeds of the factory-fitted gear-box.
These speeds generally enable optimal work results. A rotational
speed of 540 rpm or 1000 rpm is recommended for the tractor's PTO,
depending on the design of the gear-box in the power harrow.
Setting the rotor
speed
Prerequisites:
•
The tractor's PTO is deactivated
•
All driven components are stationary
•
The machine has been lowered to the work position
•
Tractor motor is switched off
•
Tractor is secured against rolling away and being restarted without
authorisation
•
PTO shaft is separated from the tractor
•
The transmission oil is not drained
Model
Input shaft
Layshaft
Rotor speed [rpm]
with tractor PTO speed
of 540 rpm
NG-M
2.50 m
3.00 m
Z=31
Z=26
311
Z=33 [+]
Z=24 [+]
358
Model
Input shaft
Layshaft
Rotor speed [rpm]
with tractor PTO speed
of 1000 rpm
NG-M
2.50 m
3.00 m
Z=23 [+]
Z=34 [+]
327
Z=24 [+]
Z=33 [+]
351
Risk of burning
Do not perform any work on a gear-box still hot from operation. Wait
until the components and the oil have cooled down.
Failure to observe these instructions may result in severe injuries.
