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7.
Replace the blade bolt in the shaft.
Screw it in a few turns and tap or press
down the hub. Do not lose the key that
sits between the hub and the shaft.
8.
Mark one end of the shaft. Press or tap
out the shaft.
9.
Tap out the bearing and remove the
spacer.
Fit in the reverse order.
Make sure that the shaft is mounted in the
same direction as when it was removed,
otherwise the keys will not fit the grooves.
Tighten the blade bearings with a torque of
20–25 Nm (14–17 lb-ft).
Tighten the belt pulley with a torque of 45 Nm
(32 lb-ft).
Tighten the blade bolts with a torque of 75–
80 Nm (53–56 lb-ft).
IMPORTANT INFORMATION
When tightening the blade shaft screws, the
transmission side should always be tight-
ened first and then the blade screws.
The belt pulley can be turned the wrong
way, the thicker side should be turned
downwards towards the blade.
An oil filter wrench, for example, can be used
to hold the pulley in place when the screw is
tightened.
Sharpening and Balancing Blades
!
WARNING!
Protect your hands with gloves
when working with the blades.
1.
Remove the blades as described in the
previous section.
2.
Fix the blade in a vice and sharpen it
with a sharpening file.
104
English-
REPAIR INSTRUCTIONS
Removing the hub
Tightening the belt pulley
Sharpening blades
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