Kärcher K5 Classic - Pressure Washer Manual
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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.
Device description
Illustration A
![Kärcher - K5 Classic - Device description Device description]()
- Transport wheel
- Storage for high-pressure gun
- Storage for spray lance
- Storage for high-pressure hose / mains connection cable
- Spray lance dirt grinder for stubborn soiling
- Vario Power spray lance for common cleaning tasks The working pressure can be continuously increased from "SOFT" to "HARD". To adjust the working pressure, release the trigger gun lever and turn the spray lance to the desired position. Detergent can be added to the water jet when the spray lance is turned all the way in the SOFT direction.
- High-pressure gun
- Clamp for connecting / disconnecting the high-pressure hose
- High-pressure gun lever
- High-pressure gun lock
- High-pressure hose
- Mains connection cable with mains plug
- Trigger "0/OFF" / "I/ON"
- Transport handle, extendable
- High-pressure connection
- Type plate
- Water connection with integrated sieve
- Detergent suction hose
- Coupling for the water connection
- *Garden hose (fabric reinforced, diameter at least 1/2 inch (13 mm), length at least 7.5 m, with commercially available quick coupling)
* additionally required
Safety devices
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Missing or modified safety devices!
Safety devices are provided for your own protection.
Do not bypass, remove or render ineffective any 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.
Symbols on the device
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Do not aim the high-pressure jet may at persons, animals, live electrical equipment or the device itself.
Protect the device against frost.
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The device may not be connected to the public drinking water network.
Mounting
Fit the supplied loose parts onto the device before starting up the device.
Installing the water connection coupling
- Screw the water connection coupling onto the water connection on the device.
Illustration B
![Kärcher - K5 Classic - Installing the water connection coupling Installing the water connection coupling]()
Initial startup
- Place the device on a level surface.
- Unwind the high-pressure hose and eliminate any loops and twists.
- Connect the high-pressure hose to the device.
- Pull up the clamp on the coupling.
- Insert the high-pressure hose into the coupling.
- Press down the clamp on the coupling.
Illustration C
![Kärcher - K5 Classic - Initial startup - Step 1 Initial startup - Step 1]()
- Insert the high-pressure hose into the high-pressure gun until it audibly clicks into place.
Note
Take care to ensure the correct alignment of the nipple.
Illustration D
![Kärcher - K5 Classic - Initial startup - Step 2 Initial startup - Step 2]()
- Check for a secure connection by pulling on the high-pressure hose.
- Plug the mains plug into a mains socket.
Note
Take care not to exceed the maximum permissible mains impedance at the electrical 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.
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.
- Plug the garden hose onto the water connection coupling.
- Connect the garden hose to the water line.
Illustration E
![Kärcher - K5 Classic - Connection to the water line Connection to the water line]()
- Open the water tap fully.
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.
- Fill the suction hose with water.
- Screw the suction hose onto the device water connection and hang it in a water source (e.g. water butt).
Vent the device
- Switch the device on "I/ON".
- Unlock the lever of the high-pressure gun.
- Press the lever of the high-pressure gun. The device switches on.
- Allow the device for run a maximum of 2 minutes until the water escaping from the high-pressure gun is free of air bubbles.
- Release the lever of the high-pressure gun.
- Lock the lever of the high-pressure gun.
Operation
ATTENTION
Dry running of pump
Damage to the device
If the device does not build up any pressure within 2 minutes, switch off the device 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.
- Insert a spray lance into the high-pressure gun and lock it by turning it 90°.
Illustration F
- Switch the device on ("I/ON").
- Unlock the lever of the high-pressure gun.
- Press the lever of the high-pressure gun. The device switches on.
Operation with detergent
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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
KÄRCHER detergents ensure fault-free operation. Ask us for a consultation, request our catalog or our detergent information sheets.
Note
Detergent can only be mixed into the jet at low pressure.
- Pull the suction hose for the detergent out of the casing to the desired length.
Illustration G
- Hang the detergent suction hose in a container with detergent solution.
- Use the Vario Power spray lance.
- Turn the spray lance all the way into the "SOFT" position.
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
- Flush the device with clear water for approx. 30 seconds.
Interrupting operation
- 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. - Lock the lever of the high-pressure gun.
Illustration H
- Switch the device off "0/OFF" during work breaks longer than 5 minutes.
Ending operation
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Pressure in the system
Injuries from high-pressure water escaping uncontrollably
Only disconnect the high-pressure hose from the highpressure gun or the device when the system is fully depressurised.
- Release the lever of the high-pressure gun.
- Close the water tap.
- Press the lever of the high-pressure gun for 30 seconds.
The pressure still remaining in the system is released. - Release the lever of the high-pressure gun.
- Lock the lever of the high-pressure gun.
- Disconnect the device from the water supply.
- Switch off the device "0/OFF".
- Pull the mains plug out of the outlet.
Transport
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Failure to observe the weight
Risk of injury and damage
Be aware of the weight of the device during transportation.
Pulling device
- Pull out the transport handle until it audibly engages.
- Pull the device by the transport handle.
Transporting the device in a vehicle
- Secure the device against slipping and tipping over.
Storage
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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.
- Press the disconnect button on the high-pressure gun and disconnect the high-pressure hose from the high-pressure gun.
- Disconnect the spray lance from the high-pressure gun.
- Stow both spray lances and the high-pressure gun in the appropriate storage options.
- Disconnect the high-pressure hose from the device.
- Store the high-pressure hose on the device.
- Stow the mains connection cable on the device. Observe the additional notes before storing the device for a longer period of time, see chapter Care and 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 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
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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.
- Remove the coupling from the water connection.
- Pull out the sieve with a pair of flat pliers.
- Clean the sieve under running water.
Illustration I
- Insert the sieve into the water connection.
- Screw the coupling onto the water connection.
Cleaning the detergent filter
Clean the detergent filter before prolonged storage.
- Remove the filter from the detergent suction hose.
- Clean the filter under running water.
Illustration J
![Kärcher - K5 Classic - Cleaning the detergent filter Cleaning the detergent filter]()
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.
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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 damage.
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.
- Check the setting at the spray lance.
- Check that the maximum suction height is not exceeded.
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.
Illustration I
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.
Strong pressure fluctuations
- Cleaning the high-pressure nozzle:
- Remove contamination from the nozzle drill with a needle.
- Rinse the high-pressure nozzle with water from the front.
- 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 all the way in the "SOFT" direction.
- Clean the filter on the detergent suction hose.
- Check the detergent suction hose for kinks.
Technical data
Electrical connection |
Voltage | V | 220-240 |
Phase | ~ | 1 |
Frequency | Hz | 50 |
Maximum permissible mains grid impedance | Ω | 0,34 + j0,21 |
Current consumption | A | 8 |
Degree of protection | | IPX5 |
Protection class | ![]() | II |
Power protection (slow-blowing) | A | 10 |
Water connection |
Feed pressure (max.) | MPa | 1,2 |
Input temperature (max.) | °C | 40 |
Input amount (min.) | l/min | 10 |
Suction height (max.) | m | 0,5 |
Device performance data |
Operating pressure | MPa | 12,0 |
Max. permissible pressure | MPa | 14,5 |
Water flow rate | l/min | 6,7 |
Maximum flow rate | l/min | 8,3 |
Detergent flow rate | l/min | 0,3 |
High-pressure gun recoil force | N | 17 |
Dimensions and weights |
Typical operating weight | kg | 7,0 |
Length | mm | 281 |
Width | mm | 274 |
Height | mm | 461 |
Determined values in acc. with EN 60335-2-79 |
Hand-arm vibration value | m/s2 | 2,3 |
Uncertainty K | m/s2 | 0,7 |
Sound pressure level LpA | dB(A) | 77 |
Uncertainty KpA | dB(A) | 3 |
Sound power level LWA + uncertainty KWA | dB(A) | 92 |
Subject to technical modifications.
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Documents / Resources
References
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