HARDI-EVRARD ALPHA PLUS 4100 - Spraying Performance Troubleshooting; No Spraying or Pressure Issues; Volume;Ha and Nozzle Inaccuracies; Wheel Sensor Calibration

ALPHA PLUS HARDI NOVA
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CHAPTER
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NNOO SSPPRRAAYYIINNGG
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-66 VVOOLLUUMMEE//HHAA CCAANNNNOOTT BBEE OOBBTTAAIINNEEDD
Pump does not prime
No pressure
Remote valves not working
Nozzles blocked
- See section ‘’Pump does not prime’’
- Check positions of valves
- Check filters (suction and delivery).
- Inappropriate nozzles
- Check condition of safety valve
- Check the calibrated nozzles
- Check the electrical supply (voltage and reversed polarities)
- Check fuses (FT1..FT8) and (FR1 FR11) .
- Check for mechanical jamming of valves.
- Clean nozzles and spray circuit
PROBLEMS
SOLUTIONS
Faulty limit switch of the regulating valve
Filters
Incorrect volume/ha
Inappropriate nozzles
- Adjustment of the manual ‘’volume-regulating’’ valve
- Clean filters
- Match the filter mesh to the spraying
- Adjust the machine speed
- Check programming of the REGULOR IV.
- Check flow meter ans speed sensor
- Select semi-continuous ou continuous circulation
- Check the semi-continuous ou continuous valve
- Match the nozzles to the flow per ha
PROBLEMS
SOLUTIONS
2,5 à 3 mm
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WWHHEEEELL SSEENNSSOORR
- Check sensor / disc distance, 3mm maximum
- Check for disc distortion.
- Check for wheel distortion (wheel bearing)