104
ZMT-ZMTE
Rev. 5.1
TROUBLE SHOOTING
09-TROUBLESHOOTING (Generale)
PROBLEMS PROBABLE CAUSE REMEDIES
Irregular arm
operation
Manoeuvre speed not suitable
Adjust the number of tractor PTO rpm
Adjust the manoeuvre speed of the function
involved by means of adjustable choke (if
present). Otherwise, contact an authorised
workshop
Air present inside hydraulic circuit Bleed the air from inside the circuit
Flail head rotor fails
to start
Limited hydraulic ow
Check motor operation.
Repair or replace motor
Make sure that the hydraulic hoses are not
clogged or damaged. Repair or replace the
hydraulic hoses
Make sure that the discharge lter or delivery lter
(if present) is not clogged. If it is clogged, replace
it
Check the rotor distributor exible hose control
cable. Adjust the cable
Mechanical transmission missing
Check bevel gear pair box operation. Repair or
replace
Leakage of oil from
the pump
Oil excided from the pump
Check the condition of the joints, seals, and
hoses (especially for drainage). Replace if
clogged or damaged
Belts break too soon
Belt tension too high Check the pre-tension of the belts
Pulleys out of alignment Align the belts
Flails touch the ground Adjust height of cut
Tractor has more power than can be
withstood by the machine
Connect the machine to a tractor with adequate
power
Belts slip
on pulleys
Insucient belt tension Check the pre-tension of the belts
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