EMAK Oleo-Mac Cheyenne 92 Manual De Uso página 100

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
} 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
Remedy
( 6.3.9). If necessary adjust the tension.
( 6.3.9). If necessary adjust the tension.
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