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eng 32
MAINTENANCE
Adjusting drive engagement
If it seems that the forward drive is not
working properly due to a change in
120 ÷ 122 mm
length of the belt after having been
replaced or after a long period of use, the
tension of the spring (1) can be adjusted
2
by turning the nuts (2) until the indicated
measure is obtained (120 ÷ 122 mm mea-
sured from the outer end of the spring).
1
Once the adjustment has been made,
tighten the nuts.
Sharpening blades
Blades that are badly sharpened tear
at the grass, reduce collection and
make the lawn turn yellow. To remove
1
a blade, hold it firmly wearing strong
gloves and undo the central screw (1)
in the direction indicated by the
1
arrow for each blade, noting that
one of the fixing screw has a right-
hand thread and the other one has a
left-hand thread.
Sharpen the two cutting edges using a medium grade grinding wheel and check
the balance by holding the blade up with a round 18 mm diameter bar inserted in
the central hole.
ATTENTION!
!
Damaged or bent blades must always be replaced; never
2
1
2
1
Ø 18 mm
82004352/0
81004346/3
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