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CHECKING BLADES ALIGNMENT
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WORKSHOP MANUAL
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4.9 CHECKING BLADES ALIGNMENT
Excessive vibration when cutting and an uneven
cut can be due to misalignment of the blades
owing to deformation of the flanges or the shafts
as a result of accidental knocks.
Put the lawn-tractor into a vertical position
[see 2.4].
Always wear strong gloves when handling the
blades.
With the blades disengaged, firmly hold each blade
and bring the cutting edges together in the various
positions possible (A-B; A-B1; A1-B1; A1-B). At
each position they should be aligned to within 2
mm.
If higher amounts are found, check that the blades
are not distorted. If this is not the case, check the
supports or the shafts for the blades [see 6.9],
replacing if necessary, and check the condition of
the point where the flange rests on the cutting deck.
IMPORTANT!
Always replace damaged blades and do not
attempt to repair or straighten them. Always use
manufacturer’s genuine spare parts!
3/2002
A
A1
B
B1
< 2 mm
