Oleo-Mac APACHE 92 EVO, Operator'S Manual

Page: 44 / 352

44
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 mower. 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
Remedy
The mowing deck
mows unevenly
}
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.
When mowing,
some vegetation
remains uncut
}
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 stops
during operation
}
The mowing deck drive belt may be damaged, when it jumps out of the pulley while the mower 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 ( 6.3.7). If necessary adjust the tension.
}
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 belt 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
The mowing
deck drive belt is
slipping through
}
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 mower.
}
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.
The mowing deck
drive belt is being
excessively worn
out
}
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 ( 6.3.7). If necessary adjust the tension.
The mowing deck
cannot be started
}
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 engagement of the
electromagnetic clutch when in the transport position. Move the lever to the work position.
}
Check the setting of the mowing deck switch