99
Rev. 5.1
ZMT-ZMTE
TROUBLE SHOOTING
09-TROUBLESHOOTING (Generale)
9 TROUBLE SHOOTING CHART
Always wear safety footwear, overalls, safety gloves and, if necessary, earmus and a dust mask during
use and during machine maintenance, repair, handling and storage operations.
9.1 Troubleshootingchart
The maintenance operations authorised by FERRI srl are the ones indicated in Chapter 7 – “ROUTINE
MAINTENANCE”.
The content of this chapter is not exhaustive. Instead, it aims to provide information on the most common problems
in order to help specialised technicians to nd the fault in question.
The suggestions provided under “REMEDIES” in the following tables DO NOT AUTHORISE interventions that may
compromise safety.
To replace damaged the parts or ails, contact the specialised personnel of the FERRI
Assistance Service or authorised dealers.
WARNING
9.1.1 General
The following information regards common problems that occur in all the machines (ail heads, shredders, ail hedge
mowers, etc) and problems typical of specic types of machine.
PROBLEMS PROBABLE CAUSE REMEDIES
Irregular cut
Worn, bent or broken ails Replace
The machine is not positioned
parallel to the ground
Adjust the stabilizers connected to the tractor or
the ail head rotation hydraulic ram
Diculty in unloading chopped
material caused by excessive
advance speed
Reduce advanced speed
The rotor turns at insucient rpm
Check the rpm on the tractor PTO and adjust it to
the number of rpm required by the machine (see
the machine technical data)
Damaged motor and/or pump Repair or replace the motor or the pump
Slipping of the belts on the pulleys Correct the belt tension
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