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– 8

Check connection cable for damages.

Check the supply voltage.

Turn device switch on "0" and let engine 
cool off for min. 5 minutes.
If malfunction still occurs, have device 
checked by customer service.

Call Customer Service in case of elec-
trical defects.

Set nozzle to "High pressure". 

Clean the nozzle.

Replace the nozzle.

Deaerate the appliance (see "Start-up")

Check water supply level (refer to tech-
nical data).

Clean the sieve in the water connection.

Check all inlet pipes to the pump. 

Contact Customer Service if needed.

3 drops per minute are permitted and can 
come out from the lower side of the appli-
ance. Call Customer Service if there is 
heavy leakage. 

With stronger leak, have device 
checked by customer service.

Check suction pipes for water and de-
tergent and ensure that they are leak-
proof.

Close dosing valve for detergent to op-
erate the machine without detergent.

Deaerate the appliance (see "Start-up")

Contact Customer Service if needed.

Set nozzle to "CHEM". 

Check/ clean detergent suction hose 
with filter. 

Open or check/clean detergent dosing 
valve. 

Contact Customer Service if needed.

Only use accessories and spare parts 
which have been approved by the man-
ufacturer. The exclusive use of original 
accessories and original spare parts 
ensures that the appliance can be oper-
ated safely and trouble free.

At the end of the operating instructions 
you will find a selected list of spare parts 
that are often required. 

For additional information about spare 
parts, please go to the Service section 
at www.kaercher.com. 

The warranty terms published by the rele-
vant sales company are applicable in each 
country. We will repair potential failures of 
your appliance within the warranty period 
free of charge, provided that such failure is 
caused by faulty material or defects in man-
ufacturing. In the event of a warranty claim 
please contact your dealer or the nearest 
authorized Customer Service centre. 
Please submit the proof of purchase.

Appliance is not running

Pressure does not build up in the 

appliance

Pump leaky

Pump is vibrating

Detergent is not getting sucked in

Spare parts

Warranty

26

EN

Summary of Contents for HD 7/12-4 M

Page 1: ...6 16 4 M Plus HD 7 18 4 MX HD 9 19 MX Plus HD 6 16 4 MX HD 7 18 4 MX Plus HD 6 16 4 MX Plus R egister and w in w w w kaercher com 59648700 10 12 Deutsch 6 English 19 Fran ais 32 Italiano 45 Nederland...

Page 2: ...HD 6 11 4 M Plus HD 6 15 4 M HD 6 16 4 M HD 6 16 4 M Plus HD 7 12 4M HD 7 16 4 M HD 7 18 4 M HD 7 18 4 M Plus HD 9 18 M HD 9 19 M HD 9 19 M Plus HD 9 20 4 M HD 9 20 4 M Plus 4...

Page 3: ...HD 6 15 4 MX Plus HD 6 16 4 MX HD 6 16 4 MX Plus HD 7 18 4 MX HD 7 18 4 MX Plus HD 9 19 MX HD 9 19 MX Plus HD 9 20 4 MX HD 9 20 4 MX Plus 5...

Page 4: ...High pressure hose 21 Push handle 22 Cable clamp 23 Dosage valve for detergent 24 Detergent suction hose with filter and screw on lid 25 Bottle holder for detergent 26 Crank 27 Hose drum The operating...

Page 5: ...ety devices serve for the protection of the user and must not be put out of opera tion or bypassed with respect to their func tion While reducing the water supply quantity regulation at the pump head...

Page 6: ...ed on the type plate must correspond to the voltage of the elec trical source The minimum fuse rating required at the socket outlet is see technical specifica tions The highest allowed net impedance a...

Page 7: ...ple of times Switch off the appliance and fit the noz zle again Danger Risk of explosion Do not spray flammable liquids If the appliance is used in hazardous areas e g filling stations the correspondi...

Page 8: ...omically Follow the safety instructions for using de tergents K rcher detergents ensure smooth func tioning Please consult us or ask for our cat alogue or our detergent information sheets Place the de...

Page 9: ...not completely water drained device Store the appliance in a frost free area Drain water Pump in conventional frost protection agents through the appliance Note Use normal glycol based anti freezing...

Page 10: ...in oil Clean the sieve in the water connection Clean filter at the detergent suck hose Clean the fine filter Unpressurize the appliance Unscrew the fastening screws of the device hood remove the devi...

Page 11: ...zle to CHEM Check clean detergent suction hose with filter Open or check clean detergent dosing valve Contact Customer Service if needed Only use accessories and spare parts which have been approved b...

Page 12: ...G Alfred K rcher Str 28 40 71364 Winnenden Germany Phone 49 7195 14 0 Fax 49 7195 14 2212 Winnenden 2012 09 01 EC Declaration of Conformity Product High pressure cleaner Type 1 524 xxx Relevant EU Dir...

Page 13: ...m open container 20 C m 0 5 Max feed pressure MPa 1 Performance data Working pressure MPa 3 11 3 15 3 16 Nozzle size 045 040 038 Max operating over pressure MPa 14 18 19 Flow rate l h l min 250 600 4...

Page 14: ...ed pressure MPa 1 Performance data Working pressure MPa 3 12 3 16 Nozzle size 06 054 045 Max operating over pressure MPa 14 19 Flow rate l h l min 300 700 5 11 67 Detergent suck in l h l min 0 40 0 0...

Page 15: ...height from open container 20 C m 0 5 Max feed pressure MPa 1 Performance data Working pressure MPa 3 18 18 4 18 5 Nozzle size 042 053 Max operating over pressure MPa 21 23 22 5 Flow rate l h l min 30...

Page 16: ...C m 0 5 Max feed pressure MPa 1 Performance data Working pressure MPa 4 18 5 4 20 Nozzle size 053 050 Max operating over pressure MPa 22 5 22 Flow rate l h l min 450 890 7 5 14 8 460 900 7 7 15 Deter...

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