KARCHER NT 50 Classic Liquid Solids Vacuum Cleaner Instruction Manual

NT 50/2 Me Classic
NT 70/2 Me Classic
NT 90/2 Me Classic

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NT 50 Classic Liquid Solids Vacuum Cleaner

General notes

Read these original instructions and the enclosed safety instructions before using the device for the first time.
Actin accordance with them. Keep both books for future reference or for future owners

If the operating instructions and safety instructions are not observed, the device can be damaged and dangers could arise for users and other persons.
Notify the dealer immediately in the case of shipping damage.
Check the package contents when unpacking for missing accessories or for damage.

Environmental protection

The packing materials can be recycled. Please dispose of packaging in accordance with the en- vironmental regulations.
Electrical and electronic appliances contain valu- able, recyclable materials and often components such as batteries, rechargeable batteries or oil, which – if handled or disposed of incorrectly – can pose a potential threat to human health and the environ- ment. However, these components are required for the correct operation of the appliance. Appliances marked by this symbol are not allowed to be disposed of togeth- er with the household rubbish.
Notes on the content materials (REACH)
Current information on content materials can be found at: www.kaercher.com/REACH

Intended use

WARNING
Health risk
Inhalation of dusts that are harmful to health
Do not use the device for vacuuming up dusts that are harmful to health.
This vacuum cleaner is intended for the wet and dry cleaning of floor and wall surfaces.
This unit is suitable for commercial use, e.g. on construction sites, in industrial systems, in workshops and rental companies.

Description of the device

Illustration A****

1 Star screw

2 Cartridge filter

3 Float (mechanical overflow protection)

4 Suction head

5 Suction hose

6 Push handle

7 Suction head lock

8 Dirt receptacle

9 Steering roller

10 Chassis

11 Suction hose port

12 Floor nozzle for wet vacuum cleaning

13 Floor nozzle for dry vacuum cleaning

14 Suction pipe

|

15 Hose/cable holder

16 Carrying handle

17 Angle piece

18 Suction turbine trigger 1

19 Suction turbine trigger 2

20 Holder for suction pipe including floor nozzle

21 Floor nozzle holder

22 Suction pipe holder

23 Socket for angle piece

24 Drain hose (NT 70/2, NT 90/2 only)

25 Holder for crevice nozzle

26 Type plate

27 Mains cable

---|---

Preparation

1. Unpack the device and install the accessories.
   Illustration B

Initial startup

Dry vacuuming

ATTENTION

Danger due to fine dust entering

Risk of damage to the suction motor.

Make sure that the cartridge filter and, if necessary, a membrane filter (special accessory) are used when dry vacuuming.

• When vacuuming fine dust, a fleece filter bag (special accessory, NT 50/2 only) can also be used.

Installing the fleece filter bag NT 50/2 only:

1. Unlock and remove the suction head.
2. Attach the fleece filter bag (special accessory) and ensure that it is fitted correctly. Illustration C
3. Fit and lock the suction head.

Installing the membrane filter

1. Unlock and remove the suction head.
2. Pull the membrane filter (special accessory) over the edge of the container and ensure that it is fitted correctly. Illustration D
3. Fit and lock the suction head

Wet vacuum cleaning

• When wet vacuum cleaning, the cartridge filter can be replaced by a coarse dirt filter (special accessory) or a membrane filter (special accessory).

ATTENTION
Danger from wet substances
Risk of damage to the suction motor.
Make sure that either the cartridge filter, a coarse dirt filter (special accessory) or a membrane filter (special accessory) is used for wet vacuum cleaning.

• The fleece filter bag (special accessory) must always be removed when vacuuming wet substances.
• On completion of wet vacuum cleaning: Clean the float and container with a damp cloth and dry.

Installing the coarse dirt filter

When changing from wet to dry vacuuming, replace the coarse dirt filter with a cartridge filter and a membrane filter if applicable.

1. Unlock and remove the suction head.
2. Unscrew the star screw and pull off the cartridge filter.
3. Install the coarse dirt filter (special accessory). Illustration E
4. Tighten the star screw.
5. Fit and lock the suction head.

Installing the membrane filter

• see dry vacuuming

Draining the waste water
Only NT 70/2, NT 90/2:

WARNING

Improper disposal of waste water

Environmental pollution

Observe the local waste water treatment regulations.

1. Drain the waste water via the drain hose.

Illustration F
Clip connection

The suction hose is equipped with a clip system. All accessory parts with a nominal width of 40 mm can be connected.
Illustration G

Operation

Switching on the device

1. Connect the mains plug.
2. Switch on the device.

Cleaning mode

1. Perform cleaning.

Draining the dirt receptacle

• The suction duct is equipped with a float.
• When the maximum permissible waste water level in the container is reached, the suction volume is interrupted.

1. Switch off the device.
2. Empty the container

Switching off the device

1. Switch off the device.
2. Pull out the mains plug.

Each time after use

1. Empty the container.
2. Vacuum off the inside and outside of the device and clean with a moist cloth.

Storing the device

1. Store the floor nozzles, suction pipe, suction hose, angle piece, crevice nozzle and mains cable as shown in the illustration. Illustration H
2. Store the device in a dry room and secure it against unauthorised use.

Transport

CAUTION
Failure to observe the weight
Risk of injury and damage
Be aware of the weight of the device during transportation.

1. Push the device via the push handle when transporting over longer distances.
2. When transporting the device in vehicles, secure it to prevent it from slipping or overturning in accord- ance with the respective valid guidelines

Storage

CAUTION
Failure to observe the weight
Risk of injury and damage
Be aware of the weight of the device during storage.
The device may only be operated indoors

Care and service

DANGER

Danger of electric shock

Injuries due to touching live parts
Switch off the device.

Remove the mains plug

Changing the cartridge filter

1. Unlock and remove the suction head.
2. Unscrew star screw, remove cartridge filter and replace with a new one.
3. Tighten the star screw.
4. Fit and lock the suction head

Cleaning the float

1. Unlock and remove the suction head.
2. Unscrew the star screw and pull off the cartridge filter.
3. Clean the float with a damp cloth.
4. Connect the cartridge filter.
5. Tighten the star screw.
6. Fit and lock the suction head.

Troubleshooting guide

DANGER
Danger of electric shock
Injuries due to touching live parts
Switch off the device.
Remove the mains plug.
Suction turbine does not start up

1. Check the socket and the power supply fuse.
2. Check the mains cable, mains plug and float on the device.
3. Switch on the device.

Suction turbine runs, but the device does not suck

1. Switch off the device and wait for 5 seconds. Switch on the device.
2. Release the jammed float and clean it with a damp cloth. Check float for freedom of movement.

Float closes suction duct

1. Empty the dirt receptacle.

Suction power decreases

1. Remove any blockages from the suction nozzle,suction pipe, suction hose or cartridge filter.
2. NT 50/2 only: Change the filled fleece filter bag (special accessory).
3. Clean the membrane filter (special accessory) under running water or change.
4. Change the cartridge filter.
5. Only NT 70/2, NT 90/2: Check the drain hose for leaks

Escaping dust when vacuuming

1. Check that the cartridge filter is correctly fitted.
2. Change the cartridge filter.

Water leaking when vacuuming

1. Release the jammed float and clean it with a damp cloth. Check float for freedom of movement

Customer Service department
If the malfunction cannot be corrected, the device must be checked by the Customer Service departmen

Warranty

The warranty conditions issued by our relevant sales company apply in all countries. We shall remedy possible malfunctions on your appliance within the warranty period free of cost, provided that a material or manufacturing defect is the cause. In a warranty case, please contact your dealer (with the purchase receipt) or the next authorised customer service site. (See overleaf for the address)

Accessories and spare parts

Only use original accessories and original spare parts.

They ensure that the appliance will run fault-free and safely.
Information on accessories and spare parts can be found at www.kaercher.com.

EU Declaration of Conformity

We hereby declare that the machine described below complies with the relevant basic safety and health requirements in the EU Directives, both in its basic design and construction as well as in the version placed in circulation by us. This declaration is  nvalidated by any changes made to the machine that are not approved by us.

Product: Wet/dry vacuum cleaner

Type: 1.667-xxx

Currently applicable EU Directives

2006/42/EC (+2009/127/EC)

2011/65/EU

2014/30/EU

Harmonised standards used

EN IEC 63000: 2018

EN 55014-1: 2017 + A11: 2020

EN 55014-2: 2015

EN 60335-1

EN 60335-2-69

EN 61000-3-2: 2014

EN 61000-3-3: 2013

EN 62233: 2008

National standards used

–

The undersigned act on behalf and under the power of attorney of the company management

H. Jenner
Chairman of the Board of Managemen

S. Reiser
Director Regulatory Affairs & Certification

Documentation supervisor:

S. Reiser

Alfred Kärcher SE & Co. KG

Alfred-Kärcher-Str. 28 – 40

71364 Winnenden (Germany)

Ph.: +49 7195 14-0

Fax: +49 7195 14-2212

Winnenden, 2020/10/01

Electrical connection
Mains voltage| V| 220-240| 220-240| 220-240
Mains voltage| ~| 1| 1| 1
Phase| Hz| 50-60| 50-60| 50-60
Power frequency|  | IPX4| IPX4| IPX4
Degree of protection|  | II| II| II
Protection class| W| 2100| 2100| 2100
Maximum power| W| 2300| 2300| 2300
Nominal power
Tank content| l| 50| 70| 90
Fluid filling quantity| l| 23| 42| 60
Air quantity (max.)| l/s| 2x 53| 2x 53| 2x 53
Vacuum (max.)| kPa (mbar)| 22,5 (225)| 22,5 (225)| 22,5 (225)
Dimensions and weights
Typical operating weight kg 17,5 18,5 19,0| kg| 17,5| 18,5| 19,0
Length x width x height| mm| 580 x 510 x 850| 580 x 510 x 850| 580 x 510 x 995
Diameter of the suction hose| mm| 40| 40| 40
Ambient conditions|  |  |  |
Ambient temperature (max.)| °C| +40| +40| +40
Determined values in acc. with EN 60335-2-69
Sound pressure level LpA| dB(A)| 76| 76| 76
Uncertainty KpA| dB(A)| 2| 2| 2
Hand-arm vibration value| m/s2| <2,5| <2,5| <2,5
Uncertainty K m/s| m/s2| 1| 1| 1
Mains cable
Mains cable| mm2| H05VV-F 2×1,0| H05VV-F 2×1,0| H05VV-F 2×1,0
Part number (EU)|  | 9.770-933.0| 9.770-933.0| 9.770-933.0
Cable length| m| 7,5| 7,5| 7,5

References

• Material para Hostelería y Comercio - Productos y Maquinaria
• Cleaning equipment and pressure washers | Kärcher International
• Home and Garden Warranty Registration USA - Kärcher

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