Karcher HDS 10-20 -4M CLASSIC EU-I - Manual (Page 33)

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 Clean the sieve in the water connection.
 Clean the fine filter.
 Check oil level.
Caution
In case of lacteous oil inform Kärcher cus-
tomer service immediately
 Clean sieve in the water shortage safe
guard.
 Clean filter at the detergent suck hose.
 Oil change.
 Perform the pressure test as per manu-
facturer's instructions.
 Take out sieve.
 Clean sieve in water and reinstall.
 Unpressurize the appliance.
 Unscrew the fine filter from the pump
head.
 Remove the fine filter and the filter insert.
 Clean the filter with clean water or com-
pressed air.
 Reinstall in reverse sequence.
 Loosen covering nut and take off hose.
 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.
 Take out detergent suck supports.
 Clean filter in water and reinstall.
 Ready a catch bin for appr 1 Litre oil.
 Loosen release screw.
 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.
ƽ
Danger
Risk of injury by inadvertent startup of ap-
pliance and electrical shock.
First pull out the plug from the mains before
carrying out any tasks on the machine.
– Lack of oil
 Replenish oil.
– Leak in the high pressure system
 Check high pressure system and con-
nections for tightness.
– Water shortage
 Check water supply, check connec-
tions.
– Obstructed reed switch in the water
shortage safe guard.
 Check water shortage safe guard.
Maintenance intervals
Weekly
Monthly
After 500 operating hours, at least annu-
ally
At least every 5 years, recurring
Maintenance Works
Clean the sieve in the water connection
Cleaning the fine filter
Clean sieve in the water shortage safe
guard
Clean filter at the detergent suck hose
Oil change
Dispose of old oil ecologically or turn in at
a gathering point.
Troubleshooting
Indicator lamp pump
1x blinking
2x blinking
3x blinking
4x blinking
33 EN