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English
23
Before each use
Check connecting cable for damage (risk of
getting an electric shock), have a damaged
connecting cable replaced without delay by
authorised Customer Service personnel or
an electrician.
Check high-pressure hose for damage
(danger of explosion), replace a damaged
high-pressure hose without delay.
Check unit (pump) for any leaks.
Three drops per minute are allowable and
can appear on the underside of the unit.
Seek the help of Customer Service if leaks
are more serious.
Every week
Check oil level in oil reservoir: if the oil is
milky (water in oil), seek the help of Cus-
tomer Service immediately.
Clean the strainer in the water connection.
Clean the filter at the suction hose for de-
tergent.
Annually or after 500 operating
hours
Change the oil
– For oil quantity and type see Technical
Specifications.
– Undo the fastening screw, remove the
hood, remove the oil tank cover, tilt unit.
– Drain oil into a suitable container.
– Fill slowly with fresh oil; air bubbles have
to escape.
– Attach the oil tank cover.
Troubleshooting
Danger!
Before any repair work is undertaken,
switch the unit off and pull out the power plug.
Have electrical components checked and re-
paired only by authorised Customer Service
personnel.
For faults which are not identified in this chap-
ter, or when in doubt or when expressly in-
structed to do so, consult authorised
Customer Service personnel.
Unit does not work
Check connecting cable for damage.
Check the mains voltage.
Consult Customer Service if there is an
electrical fault.
Unit does not come up to pres-
sure
Set nozzle to "high pressure".
Clean/replace nozzle.
Evacuate air from the cleaner (see Switch-
ing on the unit).
Clean the strainer in the water connection.
Check water inlet volume (see Technical
Specifications).
Check all supply lines to the pump for leaks
or obstructions.
Seek the help of Customer Service if nec-
essary.
Pump is leaky
Three drops per minute are allowable and
can appear on the underside of the unit.
Seek the help of Customer Service if leaks
are more serious.
Pump makes a knocking noise
Check all supply lines as well as the deter-
gent system for leaks.
Close the cleaning agent metering valve
when running the unit without cleaning
agent.
Evacuate air from the cleaner (see Switch-
ing on the unit).
Seek the help of Customer Service if nec-
essary.
Detergent is not being drawn in
Set nozzle to "Chem".
!
Summary of Contents for HD 6/11-4 M Plus
Page 3: ......
Page 134: ...134...
Page 135: ...135 IEC 60364 DIN 1988 6 412 578 4 440 270 4 730 012 E 10...
Page 136: ...136 HD 9 19 M I HD 7 10 4 M HD 9 20 4 15 C...
Page 137: ...137 K rcher K rcher 0 HD 9 20 4...
Page 138: ...138 1 3 500...
Page 139: ...139 3 Chem...
Page 158: ...158 a a o p a e cpe pa a a...
Page 159: ...159 IEC 60364 DIN 1988 6 412 578...
Page 162: ...162 1 3...
Page 163: ...163 500 3 Chem...
Page 258: ...apc 258 O a a e a o o a a cpe a x p e...
Page 259: ...apc 259 IEC 60364 DIN 1988 6 412 578 Nr 4 440 270...
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Page 263: ...apc 263 500 3 Chem...
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