Maintenance And Care - Kärcher KM 85/50 W P Comfort Manual

If the sweeper is going to be out of service
for a longer time period, observe the follow-
ing points:
 Park the sweeper on an even surface.
 Switch off engine.
 Lock parking brake.
 Lock the sweeper to ensure that it does
not roll off.
 Empty fuel tank.
 Change engine oil.
 Unscrew spark plugs and pour approx.
3 cm of oil into the spark plug holes.
3
Crank the engine several times before
replacing the spark plug. Screw in the
spark plug.
 Comfort model: Turn the push handle
lock clockwise; lock is locked.
 Comfort model: Raise roller brush.
 The side-brushes lift up.
 Clean the inside and outside of the
sweeper.
 Park the machine in a safe and dry
place.

Maintenance and care

General notes
– Maintenance work may only be carried
out by approved customer service out-
lets or experts in this field who are famil-
iar with the respective safety
regulations.
– Mobile appliances used for commercial
purposes are subject to safety inspec-
tions according to VDE 0701.
Cleaning
Warning
Risk of damage! Do not clean the appliance
with a water hose or high-pressure water jet
(danger of short circuits or other damage).
Cleaning the inside of the machine
Danger
Risk of injury! Wear dust mask and protec-
tive goggles.
 Open the device hood.
 Clean machine with a cloth.
 Blow through machine with compressed
air.
 Close cover.
External cleaning of the appliance
 Clean the machine with a damp cloth
which has been soaked in mild deter-
gent.
Note
Do not use aggressive cleaning agents.
Maintenance intervals
Operating hour counter
(only Comfort model)
Note
The elapsed-time counter shows the timing
of the maintenance intervals.
Maintenance by the customer
Note
With a new motor, the oil must be changed
after the first 5 operating hours.
Daily maintenance:
 Check engine oil level.
 Check air filter.
 Check the sweeping roller and the side
brush for wear and wrapped belts.
 Check function of all operator control el-
ements.
Maintenance to be carried out every 25 op-
erating hours:
 Clean air filter.
Maintenance to be carried out every 50 op-
erating hours:
 Perform a motor oil change.
 Check air filter, replace if extremely
dirty.
 Check spark plug.
 Check function of hood contact switch.
 Check tension, wear and tear and func-
tioning of the drive belts and drive chain.
 Check for smooth running of the Bow-
den cables and the moveable parts
 Check sealing strips at the dust filter.
 Check functioning of the filter cleaning
system.
 Check the sealing strips in the sweeping
area for position and wear.
 Check the sweeping track of the sweep-
ing roller.
 Check the function of the sweeping roll-
er and the side brushes.
 Clean the dust filter.
Note
For description, see section on Care and
maintenance.
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 Kärcher
dealer may be contacted at any time.
Maintenance by Customer Service
Maintenance to be carried out after 5 oper-
ating hours:
 Carry out initial inspection.
Maintenance to be carried out every 50 op-
erating hours
Maintenance to be carried out every 100
operating hours
Maintenance to be carried out every 500
operating hours
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 maintenance booklet.
Maintenance Works
Preparation:
 Park the sweeper on an even surface.
 Lock parking brake.
 Comfort model: Turn the push handle
lock clockwise; lock is locked.
General notes on safety
Danger
Risk of injury!
The engine requires approx. 3-4 seconds to
come to a standstill once it has been
switched off. During this time, stay well
clear of the working area.
– Allow the machine sufficient time to cool
down before carrying out any mainte-
nance and repair work.
– Do not touch any hot parts, such as the
drive motor and exhaust system.
Note
If the appliance is tilted backwards onto the
push handle, the fuel tank must not be filled
more than halfway.
 Switch off the appliance prior to clean-
ing and performing any maintenance
tasks or replacing parts.
Check engine oil level and top up, if re-
quired
Danger
Risk of burns!
 Allow engine to cool down.
 Wait for at least 5 minutes after switch-
ing off the engine before checking the
engine oil fill level.
 Open the device hood.
 Unscrew and withdraw oil dipstick.
 Wipe off oil dipstick and screw it in.
 Unscrew and withdraw oil dipstick.
 Read the value of the oil level.
– The oil level must lie between "MIN" and
"MAX" marking.
– Add motor oil if the oil level is below the
"MIN" marking.
– Do not fill oil above the "MAX" marking.
 Fill motor oil into the oil fill neck.
Oil grade: see Technical Data
 Reinsert the oil dipstick.
 Wait at least 5 minutes.
 Check engine oil level.
Change the engine oil
Danger
Risk of burns due to hot oil!
 Allow engine to cool down.
 Open the device hood.
 Unscrew and withdraw oil dipstick.
19
English