KARCHER K 7 Power Pressure Washer User Manual

KARCHER K 7 Power Pressure Washer

Environmental protection

The packing materials can be recycled. Please dispose of packaging in accordance with the en-vironmental regulations. Electrical and electronic appliances contain valuable, recyclable materials and often components such as batteries, rechargeable batteries or oil, which  if handled or disposed of incorrectly  canpose a potential danger to human health and the environment. 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 machines, 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 dealer.

Description of the device

The maximum amount of equipment is described in these operating instructions. Depending on the model used, there are differences in the scope of delivery

1.  Stand with carrying handle.
2. Water connection with integrated sieve.
3. Transport wheel.
4. Hose guide.
5. Power switch 0/OFF / I/ON.
6. Storage for spray lance.
7. High-pressure hose.
8. Plug n Clean detergent bottle.
9. Storage / parking position for high pressure gun.
10. Transport handle, telescoping.
11. Spray lance dirt blaster for stubborn dirt.
12. Vario Powerspray lance for the most common cleaning tasks.
13. High-pressure gun.
14. Button for separating the high-pressure hose from the high-pressure gun.
15. High pressure gun lever.
16. High pressure gun loc.
17. Carrying handle.
18. Hose holder.
19. High pressure hose reel.
20. Crank handle for hose reel.
21. Type plate.
22. Accessory compartment.
23. Hook for net attachment.
24. Accessory compartment net.
25. Mains connection with mains plu.
26. Water connection coupling.
27. Garden hose fabric reinforced, diameter at least 1/2 inch (13 mm), length at least 7.5 m, with com-mercially available quick coupling.
28. KARCHER suction hose for water supply from open containers order no. 2.643-100.0 optional  additionally required.

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-pres-sure 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

Place the screws provided and matching screwdriver at the ready. Fit the supplied loose parts onto the device before starting up the device.

Mounting the accessory net

Hang the accessory net on the hooks. llustration.

Push the high pressure hose through the hose guide

Insert the high-pressure hose through the hose guide from the rear. Illustration D.

Installing the water connection coupling

Screw the water connection coupling onto the water connection on the device. Illustration E.

Initial startup

Take care not to exceed the maximum permissible mains impedance at the connection point. Contact your electricity supplier in the case of any un- certainties regarding the mains grid impedance at your electrical connection point.

1. Place the device on a flat and level surface.
2. For devices with a hose reel: Completely unwind the high-pressure hose from the hose reel.
3. For devices without a hose reel: Unwind the high-pressure hose completely and eliminate any loops and twists.
4. Pull the high-pressure hose all the way forwards through the hose guide.
5. Insert the high-pressure hose into the high-pressure gun until it audibly latches into place.
6. Take care to ensure the correct alignment of the nipple Illustration F.
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. KARCHER recommends using the KÄRCHER water fil-ter for protection(special accessory, order number 4.730-059

Connection to the water line

ATTENTION
Hose coupling with Aquastop on the water connec-tion 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.
4. Illustration G

Sucking water from open containers

When used with the KARCHER 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. 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 con-nection 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.
4. The device switches on.
5. Allow the device for run a maximum of 2 minutes un-til the water escaping from the high pressure gun is free of air bubbles.
6. Release the lever of the high-pressure gun.
7. 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 min-utes 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 grinder.

1. Insert a spray lance into the high-pressure gun and lock it by turning it 90°. Illustration H
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.
5. The device switches on.
6. Turn the Vario Power spray lance until the required pressure level is shown on the pressure indicator.

Operation with detergent

DANGER
Failure to adhere to the safety data sheet Incorrect handling of the detergent can seriously dam-age your health Observe the safety data sheet of the detergent manu-facturer, in particular the instructions on personal pro- tective equipment.

Note
Detergent can only be mixed into the jet at low pressure.  A Plug n’Clean detergent bottle is required for operat-ing with detergent. KÄRCHER detergent can be pur chased ready to use in a Plug n Clean detergent bottle.

1. Remove the cover from the Plug n Clean detergent bottle.
2. Plug the detergent bottle into the Plug n Clean de-tergent connection with the opening facing down. Illustration I
3. Use the Vario Power spray lance.
4. Turn the spray lance towards MIX until MIX is displayed on the high-pressure gun.
5. The detergent solution is mixed with the water jet during operation.

Recommended cleaning method

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

After operation with detergent

1. Pull the Plug ‘n’ Clean detergent bottle out of the mount and close it with the cap before transporting the device lying down.
2. Store the detergent bottle in the holder with the lid facing up.
3. lush the device with clear water for approx. 30 seconds.

Interrupting operation

1. Release the lever of the high-pressure gun.
2. The device switches off when the lever is released.
3. The high pressure in the system is retained.
4. Lock the lever of the high pressure gun. Illustration.
5. Place the high-pressure gun with the spray lance in the parking position.
6. 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 de-pressurised.

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 sec-onds.
4. The pressure remaining in the system is discharged.
5. Release the lever of the high pressure gun.
6. Lock the lever of the high-pressure gun.
7. Disconnect the device from the water supply.
8. Switch off the device 0/OFF.
9. 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

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

Before transporting lying down, pull the Plug ‘n’ Clean detergent bottle out of the mount and close it with the cap. 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

Place the device on a level surface. Disconnect the spray lance from the high- pressure gun. Press the separation button on the high-pressure gun and disconnect the high-pressure hose from the high pressure gun.

ATTENTION
Damage to the high-pressure hose
Damage to the high-pressure hose through incorrect direction of rotation. Observe the correct direction of rotation of the hose reel when winding on the hose. For devices with a hose reel: Use the crank handle to turn the hose reel anticlockwise and coil up the high pressure hose. For devices without a hose reel: Store the high pressure hose on the device. Store the mains connection cable and accessories on the device. Observe the additional instructions before storing the device for a longer period of time, see chapter Care an service.

Frost protection

ATTENTION
Danger of frost
Incompletely emptied devices can be destroyed by frost. 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 gun is disconnected from the high-pressure hose.
• Switch the device on I/ON.
• Wait for a maximum of 1 minute until no more water escapes from the high pressure hose.
• 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 K.
4. Insert the sieve into the water connection.

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.

• Press the lever of the high pressure gun.
• The device switches on.
• Check that the voltage specified on the type plate corresponds to the voltage of the power source.
• Check the mains connection cable for damag.
• If the motor is overloaded and the motor circuit breaker has triggered:
  • Switch off the device 0/OFF.
  • Allow the device to cool down for 1 hour.
• 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 switching on, first press the lever on the highpressure gun and then switch on the device I/ON.
• Device does not reach required pressure.

The water supply is too low

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

The sieve in the water connection is dirty.

•  Pull the sieve in the water connection out using flat pliers.
• Clean the sieve under running water.

Air is in the device.

•  Vent the device
• Switch on the device without a connected spray lance for a maximum of 2 minutes.
• Press the high-pressure gun and wait until the water escaping from the high-pressure gun is free of air bubbles.
• Connect the spray lance.
• Observe the maximum suction height during suction operation (see chapter Technical data).

Strong pressure fluctuations

• Clean the high-pressure nozzle:
• Use a needle to remove dirt from the nozzle drill.
• Rinse the high-pressure nozzle from the front with water.
• Check the water supply volume.

Device leaking

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

Detergent is not sucked in

•  Use the Vario Power spray lance and turn it to MIX.
• Check that the Plug ‘n’ Clean detergent bottle is sitting correctly with the opening facing down in the detergent connection.

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.

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: 1.317-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
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: 93
Guaranteed: 96
The undersigned act on behalf and under the power of attorney of the company management.

Technical data

Determined values in acc with EN 60335-2-79

Hand-arm vibration value| m/s2  <2,5| <2,5
Uncertainty K| m/s2  0,6| 0,6
Sound pressure level LpA| dB(A) 80| 80
Uncertainty KpA| dB(A) 3| 3

Sound power level LWA + K dB(A) 96 uncertaintyWA

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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