Maintenance Intervals; Maintenance Works; Faults - Kärcher HDS 645-4 M Basic Betriebsanleitung

Shut off water supply.
Activate hand spray gun until device is
pressure less.
Remove water connection.
Allow device to cool down.
Your Kärcher vender will inform you
about the performance of a periodic
safety inspection resp. signing of a
maintenance contract.

Maintenance intervals

Weekly
Clean the sieve in the water connection.
Clean the fine filter.
Check oil level.
In case of lacteous oil inform Kärcher
customer service immediately
Monthly
Clean sieve in the water shortage safe
guard.
Clean filter at the detergent suck hose.
After 500 operating hours, at least annu-
ally.
Oil change.

Maintenance Works

Clean the sieve in the water connection
Figure 1 - Pos. 16
Take out sieve.
Clean sieve in water and reinstall.
Cleaning the fine filter
Figure 8
Unpressurize the appliance.
Unscrew lid with filter.
Clean the filter with clean water or com-
pressed air.
Reinstall in reverse sequence.
Clean sieve in the water shortage safe
guard
Figure 9
Loosen covering nut and take off hose.
Figure 10
Take out sieve.
Note
If necessary turn in screw M8 appr. 5 mm
inwards and therewith pull out sieve.
Clean sieve in water.
Push sieve inwards.
Put on hose.
Tighten covering nut firmly.
Clean filter at the detergent suck hose
Figure 11
Take out detergent suck supports.
Clean filter in water and reinstall.
Oil change.
Figure 12
Ready a catch bin for appr. 1 Liter oil.
loosen release screw.
Dispose of old oil ecologically or turn in at
a gathering point.
Tighten release screw.
Fill oil slowly up to the MAX marking.
Note
Air pockets must be able to leak out.
For oil type refer to technical specifica-
tions.

Faults

Fuel indicator lamp glows
Figure 2 - Pos. 3
– Fuel tank empty
Refill.
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English