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Operating Instructions HD 645 / HD 650 (SX) / HD 658 / HD 690 (SX)

22

Troubleshooting

Danger!

Before any repair work is undertaken, 
switch the cleaner off and pull out the 
power plug. Have electrical 
components checked and repaired 
only be authorised Customer Service 
personnel.
For faults which are not identified in 
this chapter, or when in doubt or 
when expressly instructed to do so, 
consult authorised Customer Service 
personnel.

Cleaner does not work

„

Check mains voltage.

„

Check connecting cable for damage.

„

If the motor has overheated, let the 
cleaner cool down. Then switch it on 
again.

„

Consult Customer Service if there is an 
electrical fault.

Cleaner does not come up to 
pressure

„

Set nozzle to “high pressure”.

„

Clean nozzle or replace with new one.

„

Clean strainer at the water connection.

„

Evacuate air from the cleaner.

„

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 
necessary.

Pump is leaky

„

Three drops per minute are allowable 
and can appear on the underside of the 
cleaner. Seek the help of Customer 
Service if leaks are more serious.

Pump makes a knocking 
noise

„

Check all supply lines as well as the 
detergent system for leaks.

„

Evacuate air from the cleaner.

„

Seek the help of Customer Service if 
necessary.

Detergent is not being drawn in

„

Set nozzle to “low pressure”.

„

Check detergent suction hose with filter 
for leaks or obstructions and clean it if 
necessary.

„

Clean/renew non-return valve in 
detergent suction-hose connection.

„

Open detergent metering valve or check 
it for leaks/remove obstruction. Also 
clean venting orifice in the cap.

„

Tip the cleaner backwards over the 
wheels. Empty the detergent reservoir 
and rinse it out.

„

Seek the help of Customer Service if 
necessary.

Spare parts

You will find a list of spare parts at the end 
of these operating instructions.

!

Summary of Contents for HD 645

Page 1: ...www karcher com HD 645 HD 650 SX HD 658 HD 690 SX 5 960 848 A2008107 03 04 ...

Page 2: ...2 Deutsch English Français Italiano Nederlands Español Português Svenska Suomi ÅëëçíéêÜ Pºcc å Polski 6 17 28 40 52 63 75 87 97 108 120 132 ...

Page 3: ......

Page 4: ...4 HD 645 650 658 690 HD 650 SX 690 SX ...

Page 5: ...5 ...

Page 6: ...nd take special note of the accompanying booklet Safety Instructions for High pressure Cleaners No 5 951 949 Use of the cleaner Use this cleaner exclusively for cleaning with high pressure jet and detergent e g cleaning of machines vehicles buildings tools cleaning with high pressure jet without detergent e g cleaning facades terraces gardening equipment For stubborn dirt we recommend the dirt bla...

Page 7: ...aging If there has been any damage in transit inform the dealer Do not dispose of the packaging with the household rubbish hand it in at the appropriate collection point for recycling Check the oil level Fig 1 3 Screw out the fastening screws on the left and right of the unit cover remove unit cover Cut off the tip on the cover to the oil reservoir Check the oil level in the oil reservoir Fasten t...

Page 8: ...water inlet Suctioning water from an open container Screw suction hose with filter Order no 4 440 238 to the water outlet Venting the unit To vent the unit unscrew the nozzle and leave the unit running until the water exits with no air bubbles Switch off the unit and screw the nozzle back on Operating the cleaner Danger Observe the relative safety regulations when using the cleaner at filling stat...

Page 9: ...ering valve to the centre position Adjust dosage with or as required Recommended cleaning methods Spray detergent sparingly over the dry surface to be cleaned and let it take effect but not dry out Spray off rinse off the loosened dirt using the high pressure spray When you have finished the operation set detergent metering valve to 0 and switch the cleaner on for about 1 minute and rinse it clear...

Page 10: ...ve a regular safety inspection carried out or to have a maintenance contract Please seek advice on this Each time before operating the cleaner 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 h...

Page 11: ... volume see Technical Specifications Check all supply lines to the pump for leaks or obstructions Seek the help of Customer Service if necessary Pump is leaky Three drops per minute are allowable and can appear on the underside of the cleaner Seek the help of Customer Service if leaks are more serious Pump makes a knocking noise Check all supply lines as well as the detergent system for leaks Evac...

Page 12: ...d standards applied DIN EN 60 335 1 DIN EN 60 335 2 79 DIN EN 55 014 1 2000 A1 2001 DIN EN 55 014 2 1997 DIN EN 61 000 3 2 2000 DIN EN 61 000 3 3 1995 A1 2001 National standards applied Applied conformity evaluation procedure Appendix V Appropriate internal measures have been taken to ensure that series production units conform at all times to the requirements of current EU Directives and relevant...

Page 13: ...0 Supply hose length m 7 5 7 5 7 5 Supply hose minimum diameter inches Suction height from an open container 20 C m 0 5 0 5 0 5 Supply pressure max bar 10 10 10 Performance data Operating pressure bar 20 130 20 130 20 120 Flow rate l h 180 550 180 550 180 550 Detergent intake l h 0 40 0 40 0 40 Recoil force of the handgun N 26 26 23 Noise emission Sound level EN 60704 1 dB A 78 78 78 Guaranteed so...

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