Maintenance Works
General notes on safety
Danger
Risk of injury! Allow the machine sufficient
time to cool down before carrying out any
maintenance and repair work.
Preparation
Park the sweeper on an even surface.
Turn main key to "0" and remove it.
Press emergency-stop button.
Allow device to cool down sufficiently.
Check fluid level in the battery and ad-
just if required
Warning
Regularly check the fluid level in acid-filled
batteries.
Unscrew all cell caps.
Where fluid level is too low, top up cells
to the mark provided with distilled wa-
ter.
Charge battery.
Screw in cell caps.
Check the tyre pressure
Park the sweeper on an even surface.
Connect air pressure testing device to
tyre valve.
Check air pressure and adjust if re-
quired.
For permissible tyre inflation pressure
see Chapter "Technical specifications".
Replacing wheel
Park the sweeper on an even surface.
Turn main key to "0" and remove it.
Check stability of ground. Lock the ap-
pliance to ensure that it does not roll off.
Raise slightly the waste container on
the appropriate side and pull it out.
Position vehicle jack at the appropriate
mounting point for the front or rear
wheel.
Note
Use a suitable commercially available vehi-
cle jack.
Loosen the wheel nuts/wheel bolts by
about 1 revolution using a suitable tool.
Raise machine using vehicle jack.
Unscrew the wheel nuts/wheel bolts
and remove them.
Remove wheel.
Have the defective wheel repaired by a
specialised repair shop.
Place the wheel and screw in the wheel
nuts/wheel bolts all the way; tighten
them lightly.
Lower machine using vehicle jack.
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Torque the wheel nuts/wheel bolts to
the required torque.
Tightening torque 120 Nm
Push in the waste container and lock it.
Checking the sweeping mirror of the
side-brushes
Check tyre pressure.
The side-brushes lift up.
Drive sweeper on to a smooth, even
surface covered with a visible layer of
dust or chalk.
Lower side-brushes and allow them to
briefly rotate.
The side-brushes lift up.
Drive machine backwards.
Park the sweeper on an even surface.
Check sweeping mirror.
The width of the sweeping track should lie
between 1.6-2.0 in (40-50 mm).
Note
The side brush floating mounting adjusts
the sweeping track as the bristles wear
down. The side brush must be replaced if it
becomes too worn.
Replacing side brush
Park the sweeper on an even surface.
Set programme switch to step 1 (driv-
ing). Side brushes lift up.
Turn main key to "0" and remove it.
Loosen 3 fastening screws on the un-
derside.
Clip side brush on to driver and screw
on.
Checking roller brush
Park the sweeper on an even surface.
Set programme switch to step 1 (driv-
ing). Roller brush is raised.
Turn main key to "0" and remove it.
Secure the machine with wheel
chock(s) to prevent it from rolling away.
Remove belts or cords from roller
brush.
Check the sweeping mirror of the
sweeping roller
Set programme switch to step 1 (driv-
ing). The side brush and roller brush are
raised.
Drive sweeper on to a smooth, even
surface covered with a visible layer of
dust or chalk.
Set programme switch to step 2. Roller
brush is lowered. Slightly press down
on the drive pedal and allow the sweep
brush to briefly rotate.
Raise roller brush.
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US
Press pedal which raises bulk waste
flap and keep pressed.
Drive machine backwards.
The sweeping track should have an even
rectangular shape which is between 2.0
and 2.8 in (50 and 70 mm) wide.
Note
The side brush floating mounting of the roll-
er brush adjusts the sweeping track as the
bristles wear down. The roller brush must
be replaced if it becomes too worn.
Replacing roller brush
Replacement is due if a visible deteriora-
tion in sweeping performance caused by
bristle wear is evident.
Park the sweeper on an even surface.
Set programme switch to step 1 (driv-
ing). Roller brush is raised.
Turn ignition key to "0" and remove it.
Secure the machine with wheel
chock(s) to prevent it from rolling away.
Raise slightly the waste container on
the left side and pull it out.
1 Screw
2 Side panels
Loosen the fastening screw on the left
side-panel.
Remove side panel.
1 Spring
Unhook both draw springs.