EMAK AC92-18 Manuel D'utilisation page 42

Malfunction, defect
 Check that the blades are not bent or twisted, also check that they are balanced. If they are
 Check that the belt does not have burned areas or irregularities, which could cause the vibrations.
 Check that the blades are not worn out or damaged. Replace them if necessary.
Belts vibrate
 Check that the electromagnetic clutch switches properly. If the clutch is not working properly
extremely when
turning on the
 Check the inside surface of the pulley on the engine. If it is coarse or has cracks, it is necessary to
mowing deck
 Check whether grass has accumulated on the underside of the mowing deck. It is necessary to
 Check whether the defect is not in the engine mount. Tighten bolts or replace as necessary.
 Check the tension of the belt (
 Check the tension of the travel drive belt (
The travel drive
 Check whether the belt is damaged or worn out.
belt of the machine
 Check whether the movement of the clutch mechanism is blocked by a foreign object. If yes,
is slipping
 Check the engine pulley or transmission pulley for damage. Replace if necessary.
 Check belt tension.
The travel drive
 Check the tensioning mechanism, replace the damaged spring
belt is being
 Check whether a foreign object is blocking the movement of the belt. If yes, remove the foreign
excessively worn
out
 Check the condition of the pulleys - replace the pulleys if necessary.
The machine does
 Check the gear shifting mechanism - attachment of the draw bar of the travel direction lever.
not travel after
 Check the oil level in the equalisation tank
shifting into gear
The machine is
 Check the oil level in the equalisation tank and fill it up if necessary.
unusually loud
 There are air pockets in the hydraulic circuit – drive the machine on level ground forward and
after shifting into
gear
The machine
 When the machine is under a high load and the ambient temperature is high, then the maximum
loses power when
travelling up a hill
 Check whether any pulleys are damage or deformed. Replace them if necessary.
Extreme vibrations
 Check whether the belt has any burned spaces or other irregularities. Replace it if necessary.
occur when
 Check the tension of the travel drive belt (
travelling
 Check that the mowing blades are balanced. Balance or replace them if necessary.
The steering is
 Check that the space between the pinion and the segment is not too large. If yes, adjust the
slipping through or
loose
 Check that there is petrol in the petrol tank.
 Check that the prescribed procedure for starting the engine was followed (
 Check the fuse. Replace if necessary.
 Check whether the voltage on the battery terminals is 12 V. On a new machine check whether the
The engine does
not run
 Check that all wire connections are in order and that the electrical system switches work.
 Check the engine again exactly according to the instructions in the User's manual of the engine
deformed, replace them.
If the belt is damaged, replace it.
have it replaced or repaired at an authorised service centre.
replace the pulley.
remove this grass.
the tension spring, replace it if necessary.
remove the foreign object.
object.
back for several minutes. Contact your service centre.
working temperature of the oil may be exceeded. Lower the work demands on the machine.
cogged segment. Check for wear on the ball and socket joints. Replace the joints if necessary.
battery was activated and charged. On new machines replace the spark plug and check that there
is not oil accumulated on the cylinder due to incorrect handling.
manufacturer. Have the electrical system checked at a specialised workshop.
Remedy
6.3.7. If necessary adjust the tension.
6.3.8). If necessary adjust its tension. Also check
6.3.8). If necessary adjust its tension.
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5.2)