K RCHER NT72 Marine Professional Vacuums Instruction Manual

K RCHER NT72 Marine Professional Vacuums Instruction Manual

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Please read and comply with these original instructions prior to the initial operation of your appliance and store them for later use or subsequent owners.

• Before first start-up it is definitely necessary to read the safety indications Nr. 5.956-249!
• The non-compliance of the operating and safety instructions may lead to damages of the appliance and to dangers for the operator and other persons.
• In case of transport damage inform vendor immediately

Environmental protection

  The packaging material can be recycled. Please do not throw the packaging material into household waste; please send it for recycling.

Old appliances contain valuable materials that can be recycled; these should be sent for recycling. Batteries, oil, and similar substances must not enter the environment. Please dispose of your old appliances using appropriate collection systems.

Notes about the ingredients (REACH)
You will find current information about the ingredients at:
www.kaercher.com/REACH

Symbols in the operating instructions

Danger
Immediate danger that can cause severe injury or even death.

Warning
Possible hazardous situation that could lead to severe injury or even death.

Caution
Possible hazardous situation that could lead to mild injury to persons or damage to property.

Proper use

Warning
The appliance is not suitable for vacuuming dust which endangers health.

• The machine is meant for dry and wet cleaning of floors and walls.
• This appliance is suited for the commercial use, e.g. in hotels, schools, hospitals, factories, shops, offices, and rental companies.
• The ambient temperature must not exceed 40 °C during operation.
• The appliance should never weigh more than 100 kg with additional loads.

Device elements

1. Electrodes
2. Handle “filter dedusting”
3. Suction hose
4. Power cord
5. Suction head lock
6. Wheel
7. Dirt receptacle
8. Suction head
9. Tilting chassis
10. Steering roller
11. Floor nozzle
12. Height adjustment of the floor nozzle
13. Suction tube
14. Container handle
15. Suction support
16. Main switch
17. Carrying handle
18. Filter cover
19. Push handle
20. Drain hose
21. Nameplate
22. Bender
23. Slide for filter cleaning
24. Floor nozzle holder
25. Exhaust filter
26. Flat fold filter

Start up

Caution
The flat pleated filter must always be in place while vacuuming.

Anti-static system

General

• If wet dirt is vacuumed with the upholstery or crevice nozzle or if water is sucked up from a container it is recommended to deactivate the “Filter Dedusting” function.
• If the maximum liquid level is reached the appliance will turn off automatically.
• In case of non-conductive liquids (such as emulsion drilling fluids, oils, and greases) the appliance is not turned off when the container is full. The filling level must be continuously monitored and the container must be emptied in time.
• After the wet vacuuming: Clean the flat folded filter with the filter cleaning.
  Clean the electrodes with a brush.
  Clean the container with a damp rag and dry it.

Clip connection

Operation

Turning on the Appliance

• Plug in the main plug.
• Switch on the appliance at the main switch.

Filter dedusting

Note: A filter dedusting every 5 to 10 minutes will increase the life of the flat folded filter.

• Switch off filter dedusting:
  Push the slide upward.

• Switch on filter dedusting:
  Push the slide downward.

Illustration G

Press and hold the switch on the handle for several seconds while the filter cleaning is turned on. The flat folded filter is automatically cleaned through an air jet (pulsating sound).

Height adjustment of the floor nozzle

• Turn the adjustment screw in a clockwise direction: High position of the floor nozzle
• Turn the adjustment screw in an anticlockwise direction: Low position of the floor nozzle

Turn off the appliance

• Switch off the appliance at the main switch.
• Pull out the mains plug.

After each operation

• Empty the container.
• Vacuum and wipe the appliance inside and outside with a damp cloth.

Transport

Caution
Risk of injury and damage! Observe the weight of the appliance when you transport it.

• Remove the suction pipe with the floor nozzle from the holder. Hold the appliance at the handle and at the suction pipe to transport it.
• When transporting in vehicles, secure the appliance according to the guidelines from slipping and tipping over.

Storage

Caution
Risk of injury and damage! Note the weight of the appliance in case of storage.
This appliance must only be stored in interior rooms.

Maintenance and care

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

Exchanging the flat pleated filter

• Open filter door.
• Replace the flat pleated filter.
• Close the filter door, it must lock into place.

Replace exhaust filter

• Open filter door.
• Replace exhaust filter.
• Close the filter door, it must lock into place.

Cleaning the electrodes

• Release and remove the suction head.
• Clean the electrodes with a brush.
• Insert and lock the suction head.

Troubleshooting

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

Suction turbine does not run

• Check the receptacle and the fuse of the power supply.
• Check the power cable, the power plug and electrodes of the device.
• Turn on the appliance.

Suction turbine turns off

• Empty the container

Suction turbine does not start again after the container has been emptied

• Turn off the appliance and wait for 5 seconds, turn it on again after 5 seconds.
• Clean the electrodes as well as the space between the electrodes with a brush.

Suction capacity decreases

• Remove choking of suction nozzle, suction tube, “filter dedusting” handle, suction hose, or flat folded filter.
• Exchange the paper filter bag.
• Filter dedusting: Repeatedly press the button on the handle while the filter cleaning is turned on.
• Ensure the filter cover properly locks into place.
• Clean or replace the membrane filter (special accessory) under running water.
• Replace the flat pleated filter.
• Check drain pipe for leaks.

Dust comes out while vacuuming

• Check for proper installation of the flat pleated filter.
• Replace the flat pleated filter.

Automatic shut-off (wet vacuum cleaning) does not react

• Clean the electrodes as well as the space between the electrodes with a brush.
• Continuously check the filling level in case of non-conductive liquid.

Filter dedusting switches permanently

• Release the blocked suction nozzle or end of the hose.
• Stop the continuous vacuuming from the liquid container or switch the filter cleaning off.
• Remove choking of suction nozzle, suction tube, “filter dedusting” handle, suction hose, or flat folded filter.
• Replace the flat pleated filter.

Filter cleaning is not working

• Suction hose is not connected.

Automatic filter cleaning cannot be switched off

• Inform Customer Service

Automatic filter cleaning cannot be switched on

• Inform Customer Service

Warranty

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.

Accessories and Spare Parts

• 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.

Technical specifications

Filter Systems

Accessories

EL = elektrisch leitend, electrical conductive, conducteur électrique K = Kunststoff, Plastic, Plastique
C = Clip-Verbindung, Clip connection, Connexion de clip
DN = Konus-Verbindung, Cone connection, Connexion de cône M = Metall, metal, métal
G = Gummi, Rubber, Caoutchouc
Oil = ölbeständig, oil resistant, résistant à l’huile

NT 72/2 Eco Tc

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References

• Cleaning equipment and pressure washers | Kärcher International
• Dealer Search | Kärcher International

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