5
REPLACEMENT OF CUTTER BLADE
Replacement of drive disc
Blade and drive disc replaced together
A new blade is always fitted together with a new driver disc. When
fitting an already used blade, its respective drive disc should also be
fitted.
A used blade may be run together with a new drive disc, but a new
blade may never be run together with a used drive disc.
Remove the drive disc
Press in the rotation catch.
Remove the centre screw, lift
out the washer and drive
disc.
Fit new drive disc
Remove the drive disc
Press in the drive disc’s rotation catch,
which is found on the underside of
the transmission shroud.
Remove the centre screw, lift out the
washer and drive disc.
Fit new drive disc
Fit the new drive disc. Keep the
rotation catch pressed and pull hard
on the centre screw.
Fit the blade
Fit according to 1, 2, 3 below.
Fit the blade
The knob should be unscrewed all
the way to its end position. Fit accor-
ding to 1, 2, 3 below.
Check the position of the adjust-
ment screws
Fit the shroud and tighten the screws
lightly. Check that the adjustment
screws are sufficiently unscrewed, as
follows: rotate the blade by hand –
the discs should not rotate or should
be easily able to be stopped. If not,
unscrew the adjustment screws.
Now tighten the shroud’s screws
firmly.
Adjust disc pressure
Before the machine is used, the discs
must first be adjusted as in chapter 5
1.
Align the cutter blade with the drive
disc.
2.
Align the groove in the blade with
the upper engagement roller.
3.
Press in the lower engagement roller
with one hand at the same time as the
blade slips into the engagement roller.
In the new version with the pre-
tensioned springs in the bearing housing,
the disc does not need to be pressed in.
Check the position of the
adjustment screws
Fit the shroud and tighten the
screws lightly. Rotate the
blade by hand – the discs
should not rotate or should be
easily able to be stopped. If
not, unscrew the adjustment
screws.
Now tighten the shroud’s
screws firmly.
Adjust disc pressure
Adjust as in chapter 5.
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