Maintenance Intervals; Maintenance Works - Kärcher KM 90/60 R Bp Manual Original

External cleaning of the appliance
 Clean the machine with a damp cloth
which has been soaked in mild deter-
gent.

Maintenance intervals

Observe the inspection checklist!
Note: The elapsed-time counter shows the
timing of the maintenance intervals.
Maintenance by the customer
Note: Where maintenance is carried out by
the customer, all service and maintenance
work must be undertaken by a qualified
specialist. If required, a specialised Kärch-
er dealer may be contacted at any time.
Daily maintenance:
 Check the sweeping roller and the side
brush for wear and wrapped belts.
 Check tyre pressure.
 Check function of all operator control el-
ements.
Weekly maintenance:
 Check fluid level of battery.
 Check moving parts for freedom of
movement.
 Check the sealing strips in the sweep-
ing area for position and wear.
 Check dust filter and clean filter box, if
required.
 Check function of seat contact switch.
Maintenance to be carried out every 100
operating hours:
 Check battery acid level.
 Check tension, wear and function of
drive belts (V-belt and circular belt).
Maintenance following wear:
 Replace sealing strips.
 Replace roller brush.
 Replace side brush.
Note: For description, see section on Main-
tenance work.
Maintenance by Customer Service
Note: In order to safeguard warranty
claims, all service and maintenance work
during the warranty period must be carried
out by the authorised Kärcher Customer
Service in accordance with the mainte-
nance booklet.
Maintenance to be carried out after 5 op-
erating hours:
 Carry out initial inspection.
Maintenance to be carried out every 50
operating hours
 Have maintenance tasks performed ac-
cording to the inspection check list.
Maintenance to be carried out every 100
operating hours
 Have maintenance tasks performed ac-
cording to the inspection check list.

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
Note
Use a suitable commercially available vehi-
cle jack.
 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.
 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.
 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.
8
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EN
 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 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.
1 Side brushes
2 Wing screw (attachment)
 Unscrew the wing screw on the under-
side and remove the side brush down-
wards.
 If necessary, clean the mount.
 Attach new side brush (note fixings)
and fasten with wing screw.
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
NOTICE
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.
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