The grease in the gear housing should be changed every 4
months. Use high quality gear grease
The gear housing must not be ﬁlled completely with grease.
The grease expands as the machine heats up during
operation. If the gear housing was completely ﬁlled with
grease it could damage the seals and lead to leakage of
The gear housing should contain 90 g of grease in total.
Changing the grease
The following parts must be dismantled to change the grease
in the gear housing:
1 Flange washers holding the cutting blade
2 The sealing ring
3 Support ﬂange for the guard
4 Guard for the blade
5 The four screws holding the shield. Lift the shield together
with the drive wheel unit out of the gear housing.
6 Wipe out the grease and ﬁll with new, good quality gear
grease. The gear housing should contain 90 g of grease
CAUTION! Exercise care when dismantling so as not to
damage the gaskets. These are used both as seals and
spacers for the gear setting.
Checking the drive axle and ﬂange
Check that the threads on the drive shaft are undamaged.
Check that the contact surfaces on the blade and the ﬂange
washers are undamaged, of the correct dimension, clean,
and that they run properly on the drive axle.
Do not use warped, notched, indented or dirty ﬂange
washers. Do not use different dimensions of ﬂange washers.
Checking water connection with
Check and clean the ﬁlter in the connection regularly and
change it when needed.
1 Unscrew the connector.
2 Press out the ﬁlter (A) using a screwdriver or the like.
3 Clean or change the ﬁlter.
4 When reﬁtting - make sure that the ﬂow limiter (B) is
correctly adjusted, with the concave face turned towards
the clutch connection.
1 Check that nuts and screws are tight.
2 Check that the power switch unit works smoothly.
3 Clean the outside of the machine.
4 Checking the blade guard
5 Check the condition of the cutting blade.
6 Check and clean the cooling air openings.
7 Check that the cord and extension cord are intact and in