KARCHER K 7 Compact Cleaning Equipment And Pressure Washers User Guide

KARCHER K 7 Compact Cleaning Equipment And Pressure Washers

General notes

Read these original operating instruc-tions and the enclosed safety instruc- tions before using the device for the first time. Proceed accordingly.
Keep both books for future reference or for future own-ers.

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 danger to human health and the envi-ronment. However, these components are required for the correct operation of the appliance. Appliances marked by this symbol are not allowed to be disposed of together with the household rubbish.
Cleaning work producing in oily waste water, e.g. washing engines, washing undercarriages etc., may only be performed at washing stations with an oil separator.
Working with detergents may only be performed on watertight surfaces with connection to the waste
water sewage system. Do not allow detergent to enter waterways or the soil.
Extraction of water from public waterways is not permitted in some countries.
Notes on the content materials (REACH)
Current information on content materials can be found at: www.kaercher.de/REACH

Intended use

• Use the high-pressure cleaner in private households only.
• The high-pressure cleaner is intended for cleaning ma-chines, vehicles, buildings, tools, façades, terraces, garden machines etc. using a high-pressure water jet.

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.

Scope of delivery

The scope of delivery for the appliance is shown on the packaging. Check the contents for completeness when unpacking. If any accessories are missing or in the event of any shipping damage, please notify your deal-er.

Device description

For the illustrations, refer to the graphics page Illustration A

1. Storage for spray lance
2. Storage for high-pressure gun
3. Transport handle, telescoping
4. Carrying handle
5.  High-pressure cleaner connection (with anti-twist) 6 Quick coupling for high-pressure hose
6. Rubber band
7. Storage for high-pressure hose and mains connec- tion cable
8. Power switch “0/OFF” / “I/ON”
9. Mains connection cable with mains plug
10. Carrying handle
11. Type plate
12. Transport wheel
13. Water connection coupling
14. Water connection with integrated sieve
15. Suction hose for detergent (with filter)
16. High-pressure gun
17. High-pressure gun lock
18. High-pressure hose
19. High-pressure gun connection
20. Button for separating the high-pressure hose from the high-pressure gun
21. Spray lance with dirt grinder for stubborn soiling 23 Vario Power spray lance for common cleaning tasks. The working pressure can be continuously in-creased from “SOFT” to “HARD”. To adjust the working pressure, release the trigger gun lever and turn the spray lance to the desired position. Deter-gent can be added to the water jet when the spray lance is turned all the way in the SOFT direction.
22. Garden hose with commonly available coupling
    • Fabric reinforced
    • Diameter of at least 1/2 inch (13 mm)
    • Length at least 7.5 m

Safety devices

CAUTION

• Missing or modified safety devices
• Safety devices are provided for your own protection.
• Never modify or bypass safety devices.

Power switch

• The power switch prevents unintentional operation of the device.

High-pressure gun lock

• The lock locks the lever of the high-pressure gun and prevents the device from starting unintentionally.

Auto-stop function

• If the lever of the high-pressure gun is released, the pressure switch turns off the pump and the high-pressure jet stops. The pump switches on again when the lever is pressed.

Motor circuit breaker

• The motor circuit breaker shuts off the device if power consumption it too high.

Symbols on the device

****Do not aim the high-pressure jet may at persons, animals, live electrical equipment or the device itself.
Protect the device against frost.
The device may not be connected to the public drinking water network.

Assembly

For the illustrations, refer to the graphics page.
Fit the supplied loose parts onto the device before starting up the device.

Mounting the transport handle

1. Attach the transport handle. Illustration B

2. Installing the water connection coupling

3. Screw the water connection coupling onto the water connection on the device. nIllustration C Initial startup
   Note Take care not to exceed the maximum permissible mains impedance at the connection point (see chapter
   Technical data). Contact your electricity supplier in the case of any uncertainties regarding the mains grid impedance at your electrical connection point.

4. Place the device on a flat and level surface.

5. Insert the high-pressure cleaner connection (with anti-twist) of the high-pressure hose into the quick coupling on the device until it audibly latches into place. Illustration D

6. Insert the high-pressure hose into the high-pressure gun until it audibly latches into place.
   Note: Take care to ensure the correct alignment of the nipple. Illustration E

7. Check for a secure connection by pulling on the high-pressure hose.

8. Plug the mains plug into a mains socket

Water supply

• For the connection values, see the type plate or chapter
• Technical data.
• Observe the water distribution company regulations.

ATTENTION

• Damage through contaminated water
• Contamination in the water can damage the pump and the accessories.
• KÄRCHER recommends using the KÄRCHER water filter for protection(special accessory, order number 4.730-059).

Connection to the water line

ATTENTION
Hose coupling with Aquastop on the water connection of the device
Damage to the pump
Never use a hose coupling with Aquastop on the water connection of the device.
You can use an Aquastop coupling on the tap.

1. Plug the garden hose onto the water connection coupling.
2. Connect the garden hose to the water line.
3. Open the water tap fully. Illustration F

Sucking water from open containers
When used with the KÄRCHER suction hose with check valve (special accessory, order number 2.643-100) this high-pressure cleaner is suitable for sucking up surface water, e.g. from rain barrels or ponds (for the maximum suction height see chapter Technical data).
The water connection coupling is not required for vacuuming operation.

1.  Fill the suction hose with water.
2. Screw the suction hose onto the device water connection and hang it in a water source (e.g. water butt).

Vent the device

1. Switch the device on “I/ON”.

2. Unlock the lever of the high-pressure gun.

3. Press the lever of the high-pressure gun.
   The device switches on.

4. Allow the device for run a maximum of 2 minutes until the water escaping from the high-pressure gun is free of air bubbles.

5. Release the lever of the high-pressure gun.

6. Lock the lever of the high-pressure gun.

Operation

ATTENTION

• Pump running dry
• Damage to the device
• If pressure does not build up in the device after 2 minutes then switch the device off and proceed according to the instructions in chapter Troubleshooting guide.

High-pressure operation

ATTENTION

Damage to painted or sensitive surfaces Surfaces can be damaged when the jet is too close to the surface or an unsuitable spray lance is used.
Maintain a minimum spray distance of 30 cm when

cleaning painted surfaces.

Do not clean car tyres, paint or sensitive surfaces such
as wood with the dirt blaster.

1. Insert a spray lance into the high-pressure gun and lock it by turning it 90°. Illustration G
2. Switch the device on (“I/ON”).
3. Unlock the lever of the high-pressure gun.
4. Press the lever of the high-pressure gun.

The device switches on.

Operation with detergent

DANGER

• Failure to adhere to the safety data sheet
• Incorrect handling of the detergent can seriously damage your health
• Observe the safety data sheet of the detergent manufacturer, in particular the instructions on personal protective equipment.

Note: Detergent can only be mixed into the jet at low pressure.

KÄRCHER detergents ensure fault-free operation. Ask us for a consultation, request our catalogue or our detergent information sheets.

1. Pull the desired length of the detergent suction hose out of the casing. Illustration H
2. Hang the detergent suction hose in a container with detergent solution.
3. Use the Click-Vario Power spray lance.
4. Turn the spray lance to “MIX”.

The detergent solution is mixed with the water jet during operation.

Recommended cleaning method

1. Spray the detergent sparingly on the dry surface and let it work for a while (do not let it dry
2. Rinse off the loosened dirt with the high-pressure jet.

After operation with detergent

1. Flush the device with clear water for approx. 30 seconds.

Interrupting operation

1. Release the lever of the high-pressure gun.
   The device switches off when the lever is released.
   The high pressure in the system is retained.

2. Lock the lever of the high-pressure gun.

3. Insert the high-pressure gun into the high-pressure gun storage compartment.

4. Place the high-pressure gun with the spray lance in the parking position.

5. Switch the device off “0/OFF” during work breaks longer than 5 minutes

Ending operation

CAUTION

• Pressure in the system
• Injuries from high-pressure water escaping uncontrollably
• Only disconnect the high-pressure hose from the high-pressure gun or the device when the system is fully depressurised.

CAUTION

• Hot water
• Danger of burns
• Hot water can leak out of the connections when disconnecting the garden hose or high-pressure hose after operation.

1. Release the lever of the high-pressure gun.
2. Close the water tap.
3. Press the lever of the high-pressure gun for 30 seconds.

The pressure remaining in the system is discharged.

1. Release the lever of the high-pressure gun.
2. Lock the lever of the high-pressure gun.
3. Disconnect the device from the water supply.
4. Switch off the device “0/OFF”.
5. Pull the mains plug out of the socket.

Transport

CAUTION

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

Carrying the device

1. Lift and carry the device by the carrying handles.

Pulling the device

1. Pull the transport handle out until it audibly latches into place.
2. Pull the device via the transport handle.

Transporting the device in a vehicle

1. Secure the device against slipping and tipping over.

Storage

CAUTION

• Failure to observe the weight
• Risk of injury and damage
• Be aware of the weight of the device during storage

Storing the device

1. Place the device on a level surface.
2. Disconnect the spray lance from the high-pressure gun.
3. Press the separation button on the high-pressure gun and disconnect the high-pressure hose from the high-pressure gun.
4. Store the high-pressure hose on the device.
5. Secure the mains connection cable and the high-pressure hose with the rubber band. Illustration K
6. Store the mains connection cable and accessories on the device. Observe the additional notes before storing the devicenfor a long period of time, see chapter Care and service.

Frost protection

ATTENTION

Danger of frost
Incompletely emptied devices can be destroyed byfrost. Completely empty the device and accessories. Protect the device from frost.
The following requirements must be satisfied:

• The device is disconnected from the water supply.

The high-pressure hose is removed.

• Switch the device on “I/ON”.
• Wait for a maximum of 1 minute until no more water escapes from the high-pressure connection.
• Switch off the device.
• Store the device in a frost-protected room, together with all accessories.

Care and service

DANGER

• Danger of electric shock
• Injuries due to touching live parts
• Switch off the device.
• Remove the mains plug.
• The device is maintenance-free, i.e. you do not need to perform any maintenance work.

Clean the sieve in the water connection

ATTENTION

• Damaged sieve in the water connection
• Damage to the device through contaminated water
• Check the sieve for damage before inserting it in the water connection.

If necessary, clean the sieve in the water connection.

1. Remove the water connection coupling.
2. Pull the sieve out using flat pliers.
3. Clean the sieve under running water. Illustration I
4. Insert the sieve into the water connection

Clean the detergent filter

Clean the detergent filter before longer periods of storage.

1. Pull the filter off the detergent suction hose.
2. Clean the filter under running water. Illustration J

Troubleshooting guide

Malfunctions often have simple causes that you can remedy yourself using the following overview. When in doubt, or in the case of malfunctions not mentioned here, please contact your authorised Customer Service

DANGER
Danger of electric shock Injuries due to touching live parts Switch off the device. Remove the mains plug.

Device not running

1. Press the lever of the high-pressure gun.
   The device switches on.

2. Check that the voltage specified on the type plate corresponds to the voltage of the power source.

3. Check the mains connection cable for damage.

4. If the motor is overloaded and the motor circuit breaker has triggered:

5. a Switch off the device “0/OFF”.

6. b Allow the device to cool down for 1 hour.

7. c Switch the device on “I/ON” and resume operation.

Have the device checked by Customer Service if this fault occurs repeatedly

The device does not start up, the motor buzzes Voltage drop due to a weak mains grid or when using an extension cable

1. When switching on, first press the lever on the high-pressure gun and then switch on the device “I/ON”.

Device does not reach required pressure
The water supply is too low

1. Open the water tap fully.
2. Check the water inlet for an adequate flow rate.

The sieve in the water connection is dirty.

1. Pull the sieve in the water connection out using flat pliers.
2. Clean the sieve under running water. Air is in the device.

Vent the device:

1. a Switch on the device without a connected high-pressure hose for a maximum of 2 minutes until the water escaping from the high-pressure connection is free of air bubbles.
2. b Switch off the device.
3. c Connect the high-pressure hose.
4. d Observe the maximum suction height during suction operation (see chapter Technical data).

Strong pressure fluctuations

1. Clean the high-pressure nozzle:
2. a Use a needle to remove dirt from the nozzle drill.
3. b Rinse the high-pressure nozzle from the front with water.
4. Check the water supply volume.

Device leaking

1. The device leaks a small amount for technical reasons.
   If the leak is severe, request authorised Customer Service.

Detergent is not sucked in

1. Use the Click-Vario Power spray lance and turn it to “MIX”.
2. Clean the filter on the detergent suction hose.
3. Check the detergent suction hose for kinks.

Warranty

The warranty conditions issued by our sales company responsible apply in all countries. We shall remedy possible malfunctions on your device within the warranty period free of cost, provided that a material or manufacturingdefect 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)

Technical data

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 invalidated by any changes made to the machine that are not approved by us.

Product: High-pressure cleaner
Type: 1.447-xxx

Currently applicable EU Directives

• 2000/14/EC
• 2014/30/EU
• 2006/42/EC (+2009/127/EC)
• 2011/65/EU

Harmonised standards used

• EN 50581
• EN 55014-1: 2017 + A11: 2020
• EN 55014-2: 2015
• EN 60335-1
• EN 60335-2-79
• EN 61000-3-2: 2014
• EN 61000-3-11: 2000
• EN 62233: 2008

Conformity evaluation procedure used 2000/14/EC: Annex V
Sound power level dB(A)
Measured: 89
Guaranteed: 91
The signatories act on behalf of and with the authority of the company management

Documentation supervisor: S. Reiser
address: Alfred Kärcher SE & Co. KG Alfred-Kärcher-Str. 28 – 40
71364 Winnenden (Germany)
Ph.: +49 7195 14-0
Fax: +49 7195 14-2212
Winnenden, 2018/10/01

References

• Cher - Official Site
• Cleaning equipment and pressure washers | Kärcher International
• Dealer Search | Kärcher International
• Home and Garden Warranty Registration USA - Kärcher
• Reinigungsgeräte und Hochdruckreiniger | Kärcher

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