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– 10

Please arrange for the immediate 
exchange of a damaged high-pres-
sure hose.

Check appliance (pump) for leaks.
3 drops per minute are permitted 
and can come out from the lower 
side of the appliance. Call Custom-
er Service if there is heavy leakage. 

Clean the sieve in the water con-
nection.

Clean filter at the detergent suck 
hose.

Unscrew the covering nut.

Pull out the hose nipple with the 
sieve.

Clean the sieve from the outside 
and rinse it.

Note:

Align the hexagon of the hose nipple in 
the appliance for connection.

Insert the hose nipple with the sieve 
and tighten the union nut.

DANGER

Risk of injury by inadvertent startup 
of appliance and electrical shock.

First pull out the plug from the 
mains before carrying out any tasks 
on the machine. 

Get the electrical components 
checked and repaired only by au-
thorised customer service persons.

Contact an authorised customer 
service person in case of problems 
not mentioned in this chapter or if 
you are in doubt or when you have 
been explicitly asked to do so.

Check connection cable for damag-
es.

Check the supply voltage.

If the appliance is overheated:
Set the appliance switch to "0".
Allow machine to cool down at least 
for 15 minutes. 
Set the appliance switch to "1".

Call Customer Service in case of 
electrical defects.

Set nozzle to "High pressure". 

Deaerate the appliance (see "Start-
up")

Clean the sieve in the water con-
nection.

Check water supply level (refer to 
technical data).

Clean the nozzle.

Replace the nozzle.

Contact Customer Service if need-
ed.

3 drops of water per minute are permit-
ted and can leak from the bottom of the 
appliance.

With stronger leak, have device 
checked by customer service.

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

Set the suction flow on the deter-
gent filter to the minimum quantity.

Deaerate the appliance (see "Start-
up")

Contact Customer Service if need-
ed.

Weekly

Clean the sieve in the water con-

nection

Troubleshooting

Appliance is not running

Pressure does not build up in the 

appliance

Pump leaky

Pump is vibrating

13

EN

Summary of Contents for HD 4/9 C

Page 1: ...w w w kaer cher com r egi st er and w i n HD 1 8 13 C Ed HD 4 9 C 59663590 03 15 English 4 Fran ais 16 Espa ol 29...

Page 2: ...3...

Page 3: ...safety feature DOES NOT lock trigger in the ON position 12 Keep operating area clear of all per sons 13 Close cover before operating the machine 14 This appliance is intended for com mercial use 15 Fo...

Page 4: ...ified electrician or service personnel if you are in doubt as to whether the out let is properly grounded Do not modify the plug provided with the product if it will not fit the outlet have a proper o...

Page 5: ...xtension cords that have 3 prong grounding type plugs and 3 pole cord connectors that accept the plug from the product Use only ex tension cords that are intended for out door use These extension cord...

Page 6: ...dle bottom slid in 27 Push handle top extended 28 Storage compartment for hoses 29 Cable clamp 30 Spray lance holder without clamp ing The operating elements for the cleaning process are yellow The co...

Page 7: ...t of operation or bypassed with respect to their function If the lever on the trigger gun is re leased the pressure switch turns off the pump the high pressure jet is stopped If the lever is pulled th...

Page 8: ...not included Open the water supply Screw the suction hose with filter optional accessory to the water connection Appliance ventilation Unscrew the nozzle from the spray lance Switch on the appliance a...

Page 9: ...e lever of the gun Close the hand spray gun Turn the casing of the nozzle till the desired symbol matches the mark ing WARNING Unsuitable detergents can cause dam age to the appliance and to the objec...

Page 10: ...se cure it by means of the rubber band Fasten the plug with the mounted clip Press the unlocking device of the push handle and slide the push handle in Warning Frost will destroy the not completely wa...

Page 11: ...operly trained crane personnel Do not stand below the load Ensure that no persons are present in the immediate vicinity of the crane Do not leave the appliance on the crane unattended CAUTION Risk of...

Page 12: ...oned in this chapter or if you are in doubt or when you have been explicitly asked to do so Check connection cable for damag es Check the supply voltage If the appliance is overheated Set the applianc...

Page 13: ...d list of spare parts that are often required For additional information about spare parts please go to the Ser vice section at www kaercher com The warranty terms published by the relevant sales comp...

Page 14: ...erformance data Working pressure PSI kPa 1300 9000 Nozzle size 032 Max operating over pressure PSI MPa 1800 12 5 Water flow rate GPM l min 1 8 6 8 Detergent suck in GPH l h 0 6 6 0 25 Max recoil force...

Page 15: ......

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