horsch Maestro 16 SX, Operating Instructions Manual

Page: 62 / 158

7 | Pneumatic system
62 60026387 • 01 • 03/2021 • en
Checks and maintenance
WARNING
Risk of injury from running fan.
Ø Never operate the fan without protective grille.
Ø
Remove the protective grille only after the fan has stopped.
Ø
Shut down the fan drive before starting with maintenance work and secure
against restarting.
CAUTION
Damage on the fan motor – axial piston motor
Ø Connect the leak oil line to the leak oil port of the tractor!
Ø
Note the return flow pressure of max. 2 bar of the leak oil line!
1. Clean the protective suction grid at regular intervals to prevent a restriction in
air flow and resulting blockage.
2. Clean any dirt or deposits from the fan blades to prevent unbalance and dam-
age to impeller and bearing.
3. Retighten the clamping taper on the fan shaft (see chapter Retightening the
fan flange ).
7.5.2 Fertiliser fan with PTO-shaft pump
The fans can alternatively also be driven by a PTO-shaft pump.
WARNING
Risk of accident
The PTO-shaft pump may be thrown off the shaft on the tractor and cause severe
injury to persons.
Ø
Operate the pump only with reliably fastened anti-twist lock.
WARNING
Risk of accident
Ø
The parking position on the drawbar must only be used with the machine
shut down!
Ø For road travel or in the field the pump should always be mounted to the
tractor!