Oleo-Mac APACHE 92 EVO, Operator'S Manual

Page: 45 / 352

45
Malfunction,
defect
Remedy
Belts vibrate
extremely when
turning on the
mowing deck
}
Check that the blades are not bent or twisted, also check that they are balanced. If they are
deformed, replace them.
}
Check that the belt does not have burned areas or irregularities, which could cause the vibrations. If
the belt is damaged, replace it.
}
Check that the blades are not worn out or damaged. Replace them if necessary.
}
Check that the electromagnetic clutch switches properly. If the clutch is not working properly have it
replaced or repaired at an authorised service centre.
}
Check the inside surface of the pulley on the engine. If it is coarse or has cracks, it is necessary to
replace the pulley.
}
Check whether grass has accumulated on the underside of the mowing deck. It is necessary to
remove this grass.
}
Check whether the defect is not in the engine mount. Tighten bolts or replace as necessary.
}
Check the tension of the belt ( 6.3.7). If necessary adjust the tension.
The travel drive
belt of the mower
is slipping
}
Check the tension of the travel drive belt ( 6.3.8). If necessary adjust its tension. Also check the
tension spring, replace it if necessary.
}
Check whether the belt is damaged or worn out.
}
Check whether the movement of the clutch mechanism is blocked by a foreign object. If yes, remove
the foreign object.
}
Check the engine belt pulley or transmission belt pulley for damage. Replace if necessary.
The travel drive
belt is being
excessively worn
out
}
Check belt tension.
}
Check the tensioning mechanism, replace the damaged spring
}
Check whether a foreign object is blocking the movement of the belt. If yes, remove the foreign
object.
}
Check the condition of the pulleys - replace the pulleys if necessary.
The mower does
not travel after
shifting into gear
}
Check the gear shifting mechanism - attachment of the draw bar of the travel direction lever.
}
Check the oil level in the equalisation tank
The mower is
unusually loud
after shifting into
gear
}
Check the oil level in the equalisation tank and fill it up if necessary.
}
There are air pockets in the hydraulic circuit – drive the mower on level ground forward and back for
several minutes. Contact your service centre.
The mower loses
power when
travelling up a hill
}
When the mower is under a high load and the ambient temperature is high, then the maximum
working temperature of the oil may be exceeded. Lower the work demands on the mower.
Extreme
vibrations occur
when travelling
}
Check whether any pulleys are damage or deformed. Replace them if necessary.
}
Check whether the belt has any burned spaces or other irregularities. Replace it if necessary.
}
Check the tension of the travel drive belt ( 6.3.8). If necessary adjust its tension.
}
Check that the mowing blades are balanced. Balance or replace them if necessary.
The steering is
slipping through
or loose
}
Check that the space between the pinion and the segment is not too large. If yes, adjust the cogged
segment. Check for wear on the ball and socket joints. Replace the joints if necessary.
The engine does
not run
}
Check that there is petrol in the petrol tank.
}
Check that the prescribed procedure for starting the engine was followed ( 5.2)
}
Check the fuse. Replace if necessary.
}
Check whether the voltage on the battery terminals is 12 V. On a new mower check whether the
battery was activated and charged. On new mowers replace the spark plug and check that there is
not oil accumulated on the cylinder due to incorrect handling.
}
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
manufacturer. Have the electrical system checked at a specialised workshop.
The engine is
rotating but will
not start up
}
Check that the prescribed procedure for starting the engine was followed ( 5.2). Check that the
petrol in the petrol tank is clean.
}
Check that the fuel filter is not clogged.
}
Make sure that the throttle lever is in the position"CHOKE".
}
Check the engine again exactly according to the instructions in the User's manual of the engine
manufacturer. Have the cabling and switches checked at a specialised workshop.