horsch LEEB 12 TD, Operating Instructions Manual, Page: 60 / 181

Spraying pump
The crop protection sprayer is equipped with a
centrifugal pump for the spraying system. The
pump is hydraulically driven via a proportional
valve and adjusts to the required quantity.
The pump used does not require pulsation
damping, because centrifugal pumps generate
continuous flow and pressure.
¾
The spraying pump installed in this machine
is nearly maintenance-free!
¾
The spraying pump is not equipped with dry
running protection and may therefore be
operated only temporarily without fluid!
NOTE
Fill the pump with fluid before initial commissioning
and after each draining before switching on.
Technical data:
Type
ACE - FMC-750F-HYD
Flow in l/min at 0 bar
(acc. to Julius Kühn
Institute)
1000
Flow rate in l/min at 5 bar 500
Maximum pressure in bar 10
The pump has an oil-filled cavity as dry-running
protection and for cooling.
¾
Check the pressure on the pressure gauge (3)
of the compensation tank. The compensation
tank is located at the left side of the machine
next to the illuviation valve.
Compensation tank position
¾
The pressure in the compensation tank (1)
should lie permanently between 1 and 3 bar.
Increase or lower the pressure via the tyre
filler (4).
¾
If the pressure drops, check for leaks.
¾
Check the sealing fluid level using the filling
level indicator (2).
¾
Release the pressure via the tyre filler (4)
before topping up the sealing fluid.
¾
Open the screw (5) before filling the sealing
fluid.
1
2
3
4
5
1 Compensation tank
2 Filling level indicator
3 Pressure gauge pressure indicator
4
Tyre filler
5 Screw for topping up the sealing fluid
NOTE
Slight leaks may occur initially with new spraying
pumps. Slight formation of oil drops on the pump
housing may occur until the mechanical seal has
been broken in.
Check the oil level of the pump regularly and
top it up if necessary.
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