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Maintenance
WARNING! Inspection and/or maintenance
!
should be carried out with the motor
switched off and the plug disconnected.
Cooling system
The machine is equipped with an efficient fan to cool the
motor. Cooling air which is drawn in through the grille by the
machines rear handle passes over the stator and rotor and
out through the front of the motor housing.
In order for the machine to always be cooled sufficiently the
cooling air openings must be kept clear and clean. Blow down
the machine regularly with compressed air.
Replacing the carbon brushes
Check the carbon brushes at least once a month. The carbon
brushes should be replaced with new brushes if they are
worn, cracked or in any other way deformed.
All carbon brushes must be replaced when the brushes are
replaced.
•
Remove both inspection covers by loosening both screws.
•
Unscrew the cable holding the carbon brush. Now lift up
the spring and then lift out the carbon brush from the
brush retainer.
•
Clean the brush retainers with a dry brush.
•
Carefully blow away the dust.
•
Fit the new carbon brushes and, at the same time, check
that they slide easily in the brush retainers.
MAINTENANCE
•
Fold down the springs and tighten the cable.
•
New carbon brushes must be run in for approximately 40
minutes while idling.
Bevel gear
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
grease.
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 Support flange for the guard
3 Guard for the blade
4 The four screws holding the shield. Lift the shield together
with the drive wheel unit out of the gear housing.
5 Wipe out the grease and fill with new, good quality gear
grease. The gear housing should contain 90 g of grease
in total.
CAUTION! Exercise care when dismantling so as not to
damage the gaskets. These are used both as seals and
spacers for the gear setting.
– 15
English
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