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9
TROUBLE SHOOTING CHART
Always wear safety footwear, overalls, safety gloves and, if necessary, earmuffs and a dust mask during
use and during machine maintenance, repair, handling and storage operations.
9.1 Trouble shooting chart
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 find 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 flails, 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 (flail heads, shredders, flail hedge
mowers, etc) and problems typical of specific types of machine.
PROBLEMS
Irregular cut
Rev. 1.1
PROBABLE CAUSE
Worn, bent or broken flails
The machine is not positioned
parallel to the ground
Difficulty in unloading chopped
material caused by excessive
advance speed
The rotor turns at insufficient rpm
Damaged motor and/or pump
Slipping of the belts on the pulleys
T250A-T320A
TROUBLE SHOOTING
REMEDIES
Replace
Adjust the stabilizers connected to the tractor or
the flail head rotation hydraulic ram
Reduce advanced speed
Check the rpm on the tractor PTO and adjust it to
the number of rpm required by the machine (see
the machine technical data)
Repair or replace the motor or the pump
Correct the belt tension
119
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