EMAK Oleo-Mac APACHE 92 Manuel D'utilisation Et D'entretien page 45

7. REPAIRING MALFUNCTIONS AND DEFECTS
Do not perform any repairs if you do not have the appropriate technical equipment and qualifications.
The repairs described below may be performed by the user of the machine. Other repairs performed by
the user that are not specified here will void the warranty. The manufacturer takes no responsibility for
damages resulting from poorly performed unapproved repairs by the user.
Malfunction, defect
The mowing deck
mows unevenly
When mowing,
some vegetation
remains uncut
The mowing deck
drive belt stops
during operation
The mowing
deck drive belt is
slipping through
The mowing deck
drive belt is being
excessively worn
out
The mowing deck
cannot be started
} Remove grass that has accumulated on the underside of the mowing deck.
} Make sure that the blades are sharp, are not deformed or damaged.
} Check that the blades are properly fastened.
} Check the blade shafts and the seating of the bearings. Replace them if they are damaged or
overly worn.
} Check the bearing housings for damage. Based on your findings either repair or replace them.
When mowing thick grass or grass that is too wet, an unmowed strip may remain. The travel
speed should be adjusted to respect the mowing conditions by shifting into a suitable gear. The
engine should not run with the throttle valve fully open.
} Check that the blades are sharp and undamaged. Replace the blades if necessary.
} Check the tension and condition of the V-belt of the mowing drive
} The mowing deck drive belt may be damaged, when it jumps out of the pulley while the machine
is running. If it jumps out even after rechecking according to the following steps, it is necessary to
replace the belt.
} Check the tension of the belt (
} Check the belt guide pulleys.
} Check the set mowing height, adjust if necessary.
} Check whether the movement of the belt is not prevented by a foreign object. If yes, remove the
foreign object.
} Recheck all the belts. Buckled or cracked pulleys may cause problems. Replace if necessary.
} 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 the parts of the tensioning mechanism for wear, replace the worn out parts if necessary.
} Change the travelling speed (e.g. slow down)
} Lift the mowing deck to a higher position
} If the grass is too tall or wet, the mowing deck drive belt may slip through. Check that the belt is
not worn out. If it is, replace it.
} Reduce the speed of the machine.
} Increase the mowing height.
} Check belt tension. If necessary adjust the tension.
} Check the tensioning mechanism (spring, pulley). Replace the spring if it is overstretched or
damaged.
} Check the belt guide pulley.
} Check whether the movement of the belt is not prevented by a foreign object. If yes, remove the
foreign object.
} Check the pulleys, if they are damaged, replace them.
} Check the set mowing height, adjust if necessary.
} Check the tension of the belt (
} Check that the belt is not worn out or damaged. If it is, replace it. If it is loose, tension it.
} Check the tensioning mechanism spring. Replace the spring if it is cracked or damaged.
} Check whether the movement of the belt is not prevented by a foreign object. If yes, remove the
foreign object.
} Check the position of the mowing height lever. The safety switch prevents the activation of the
electromagnetic clutch when in the transport position. Move the lever to the work position.
} Check the setting of the mowing deck switch
Remedy
6.3.7). If necessary adjust the tension.
6.3.7). If necessary adjust the tension.
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