1 Lock the axle using the locking button. See the
instructions under the heading What is what?.
2 Loosen the centre screw and remove the washer.
You can now lift off the drive wheel.
CAUTION! Replace the drive wheel when ﬁtting a new blade.
A worn drive wheel can result in the blade slipping and
Inadequate water ﬂow drastically shortens the life of the drive
Replacing the support rollers/guide
Remove the support roller cover.
Check the rollers for wear.
Use a 19 mm spanner and 5 mm hex key to replace the
Lubricate using bearing grease inside the rollers before the
new rollers are ﬁtted.
Replace the guide rollers when half of the ﬂange on the
rollers is worn.
Replace the support rollers when the roller surface is ﬂat,
(or) when the groove on the roller surface has worn away.
When worn rollers are replaced with new ones, you must
adjust the rollers against the blade. See the instructions under
the heading Settings and adjustments.