67
Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.
GCRO 7010 / 7012
Adjustments and operations
PROBLEM
CAUSES
POSSIBLE SOLUTIONS
Quick couplers
do not adapt.
Different type of quick
couplers.
Use male and female quick couplers from
the same type.
Hoses leaking
with fixed
terminals.
Insufficient tightening.
Retighten carefully.
Lack of sealing material on the
thread.
Use thread sealing tape and retighten
carefully.
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
.
Quick couplers
leaking.
Insufficient tightening.
Retighten carefully.
Lack of sealing material on the
thread.
Use thread sealing tape and retighten
carefully.
Damaged repairings.
Replace the repairings.
Troubleshooting guide