62
GNALCR - Rev. 04 - Mar/23
8. Maintenance
Troubleshooting guide
PROBLEM
CAUSES
POSSIBLE SOLUTIONS
Hydraulic
cylinder leaking.
Damaged repairings.
Replace the repairings.
Damaged rod.
Replace the rod.
Oil with impurities.
Replace the oil, repairings and filter elements.
Working pressure superior
than the recommended one.
Adjust the control valve using the
relief valve with the aid of a pressure
gauge.
Normal pressure: 180 Kgf/cm
2
.
Hoses leaking
with fixed
terminals.
Insufficient tightening.
Retighten carefully.
Lack of sealing material on the
thread.
Use thread sealing tape and retighten
carefully.
Damaged repairings.
Replace the repairings.
Locked disc
gangs.
Wet field.
Let the field dry out or penetrate the disc
blade superficially to help the drying
process.
Maximum angle on the disc
gangs adjustment.
Reduce the angle.
Deep penetration on wet soil.
Use the depth stops to decrease the
depth.
Lift the disc blade to reduce the
penetration.
Worn out / incorrectly
adjusted scrapers.
Adjust or change the scrapers when
necessary.
• Only CAPABLE, QUALIFIED and AUTHORIZED personnel must carry out the
maintenance of the equipment.
WARNING