Kärcher HDS 13/20 De Tr1 Operating Manual page 33

Maintenance Works
DANGER
Before carrying out any tasks on the ma-
chine, switch the key switch off and remove
it.
DANGER
Risk of injury on account of electric shock!
Do not place metallic objects on the alter-
nator or starter.
DANGER
Risk of explosion! Do not put tools or similar
on the battery, i.e. on the terminal poles
and cell connectors.
 Allow device to cool down.
Clean water filter.
 Dismount the water filter and remove
the filter inlay.
 Clean the filter with clean water or com-
pressed air.
 Reinstall in reverse sequence.
Cleaning the fine filter
 Unpressurize the appliance.
 Unscrew the low-pressure hose from
the fine filter.
 Unscrew the fine filter from the pump
head.
 Remove the fine filter and the filter in-
sert.
 Clean the filter with clean water or com-
pressed air.
 Reinstall in reverse sequence.
Clean filter at the detergent suck hose
 Unscrew the screw cap of the detergent
suction hose.
 Take out detergent suck hose.
 Clean filter in water and reinstall.
Check the oil level on the motor and add
motor oil
Note: The filling quantity between the MIN
and MAX markings on the oil dipstick is 1.6
litres.
 Remove the oil dip, wipe it and reinsert
it.
 Remove the oil dip one more time and
check the oil level.
The oil level is correct if it is within the
markings on the oil dip.
 If the oil level is below the mark, open
the filler neck lid and add fresh motor
oil.
 Wait five minutes, until the oil has col-
lected in the oil pan.
 Check the oil level as described above.
 Repeat this procedure as often as nec-
essary until the oil level is between the
markings on the oil dip.
 After the check, insert the oil dip and
close the lid of the filler neck.
Note: Air pockets must be able to leak out.
For oil type refer to technical specifica-
tions
Checking the oil level on the
intermediate gear and refilling
transmission oil
 Check the oil level at the oil-level gauge
of the intermediate gear.
The oil level is correct if it is in the mid-
dle of the oil-level gauge.
 If the oil level is below the middle of the
oil-level gauge, open the lid of the filling
hole and fill in fresh transmission oil.
 Close filling hole.
Note: Air pockets must be able to leak out.
For oil type refer to technical specifica-
tions
Check oil level at the high-pressure
pump and refill oil.
 Check the oil level at the oil tank of the
high-pressure pump.
The oil level is correct if it is between the
MIN and MAX marking.
 If the oil level is below the MIN marking,
open the lid of the oil container and fill in
fresh oil.
 Close the lid of the oil container.
Note: Air pockets must be able to leak out.
For oil type refer to technical specifica-
tions
Check the coolant and refill
CAUTION
Observe the brand of antifreeze used. The
mixture can cause a chemical reaction and
hazardous substances can be generated.
Do not mix different antifreeze types.
WARNING
The motor can overheat if there is a lack of
coolant. Turn the motor off immediately and
let it cool down.
WARNING
If the motor is so overheated, that water va-
pors escape, immediately turn the motor off
and keep a safety distance to the motor un-
til the pressure has decreased.
WARNING
Scalding danger! Never open the lid on the
expansion tank of the motor cooling water
with operating temperature. The container
is under pressure.
 Open the lid on the equalisation con-
tainer of the motor coolant, fill in fresh
clean water and the required antifreeze.
13
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EN
Cleaning/replacing the air filter
Note: For rough cleaning of the air filter,
proceed as follows: Hold the catch pan un-
der the dirt outlet and operate the dirt outlet.
Note: Heavily soiled or defective filter in-
lays must always be replaced.
 Loosen the spring tension bracket, re-
move the cover and eliminate the dust
deposits.
 Take out the filter inlay.
 Blow out the filter insert with com-
pressed air (max. 2 bar) from the inside.
 Clean the inside of the air filter housing
with a cloth.
 Insert the filter inlay into the air filter
casing.
 Attach the cover and fasten it by means
of the spring tension bracket.
Check the ventilator V-belt
1 Fastening screws generator
2 V-belt
3 Belt tension approx. 7-9 mm
Note: If the V-belt is not sufficiently ten-
sioned, this can cause overheating of the
motor or insufficient battery charge.
 Shut off the motor and remove the key
from the key switch.
 Press the belt with your thumb to check
the V-belt tension.
Note: You should be able to push the V-
belt in by approx. 7-9 mm.
Note: Defective V-belt must always be re-
placed.
33