32
Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.
LTA
Adjustments and operations
Troubleshooting
PROBLEM
CAUSES
POSSIBLE SOLUTIONS
Quick couplers cannot
be attached.
Different type of
couplings.
Change for male and female couplings
of the same type.
The blade does not
articulate and/or does
not lift the structure.
Hydraulic duct is
clogged or kneaded.
Unclog or replace the duct.
Insufficient drive
hydraulic pressure.
Adjust the drive at the relief valve
with the help of a manometer.
Normal pressure: 180 Kgf/cm
2
.
Hoses are inverted.
Check and reassemble the hoses
properly.
Hydraulic cylinder is
defective.
Replace the seal kit or replace
the cylinder.
Tractor with defective
hydraulic system.
Check the equipment with another
tractor.
Oil level is low.
Fill up.
Leakage on hoses and
end pieces.
Insufficient tightening.
Retighten carefully.
No thread sealing.
Use thread sealing and retighten
carefully.
Leakage on the
hydraulic cylinder.
Damaged seals.
Replace seal kit.
Damaged rod.
Replace the rod.
Oil with impurities.
Change the oil, seals and filter elements.
Working pressure
above recommended.
Adjust the control at the relief
valve with the help of a manometer.
Normal pressure: 180 Kgf/cm
2
.
Leakage on quick
couplers.
Insufficient tightening.
Retighten carefully.
No thread sealing.
Use thread sealing and retighten
carefully.
Damaged seals.
Replace seals.
The frame gets down
without drive actuation.
Damaged hydraulic
cylinder seals.
Replace seals.