Pneumatic Drill System
| Symptom | Problem | Solution |
|
Cracking noise at metering device.
| Seeds too big, e.g. beans. |
Remove tensioning sleeve
from agitator shaft.
|
| |
Seeds have attracted moisture.
|
Do not leave seed in hopper
overnight.
|
|
Seed rate changes by itself.
| Spindle for seed rate adjustment is loose. |
Tighten the nuts on the
crank.
|
| |
Cell wheel is sticky.
|
Clean the cell wheel;
check the rapeseed brush and replace if necessary.
|
| |
Fine seed: red gearwheel not engaged.
|
Engage the red gearwheel.
|
|
Fine seed: even with micrometering, seed rate does not
drop below 4-5 kg/ha.
| Seal lip on metering housing has been eaten by rodents.
|
Replace the seal lip.
|
| |
Seal lip not properly in contact with cell wheel.
|
Adjust position of seal
lip.
|
|
Drill is delivering excessive amounts of seed.
| Handle turned too fast during calibration. |
Turn no faster than one
revolution per second.
|
| |
Fine seed: red gearwheel not engaged.
|
Select micrometering.
|
|
Amount of seed delivered is too high or too low.
| Incorrect drive wheel ratio in drive housing.
|
Check no. of gear-teeth
against spare parts list.
|
| |
Incorrect setting.
|
Set correctly.
|
| |
Error when weighing the seed.
|
Check the scales.
|
|
Amount of seed delivered too low.
| Micrometering is selected. |
Switch off micrometering.
|
| |
Fine seed: cells are dirty, rapeseed brush is jammed.
|
Thoroughly clean cells
and rapeseed brush.
|
| |
On 6-m version, the two metering devices are not calibrated
for the same seed rate.
|
Each metering device must
deliver the desired amount of seed (Kg/hectare).
|
|
Seeds not reaching any of the openers.
| Venturi cone is blocked, drive shaft not connected.
|
Run the engine at correct
speed, connect the drive shaft.
|
|
Track markers fold too quickly, too slowly or not at
all.
| Restrictor missing in the hydraulic coupler.
|
Install restrictor.
|
| |
Restrictor in the hydraulic coupler is blocked.
|
Clean the restrictor.
|
|
Both hydraulic track markers fold at the same time.
| Sequence valve is defective. |
Replace sequence valve.
|
|
Hose blocked with seed.
| Openers are blocked (e.g. with soil). Normal seed: butterfly
valve is set for fine seed. |
Clean the blocked opener.
Set the butterfly valve for normal seed.
|
| |
Hose bent, sagging or deformed.
|
Check hose inside and
outside hopper. If necessary, make the hoses shorter.
|
| |
Blower speed too low.
|
Make sure engine speed
is correct.
|
|
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ZX,OM750A010738-19-20160505
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