KARCHER WB 7 Plus 3-in-1 Wash Brush Instruction Manual

: June 12, 2024
: Karcher

WB 7 Plus 3-in-1 Wash Brush
Instruction Manual

WB 7 Plus 3-in-1 Wash Brush

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![KARCHER WB 7 Plus 3 in 1 Wash Brush

Assembly 1](https://manuals.plus/wp-content/uploads/2023/07/KARCHER- WB-7-Plus-3-in-1-Wash-Brush-Assembly-1.png)

General instructions

Before using the device for the first time read these original operating instructions as well as the operating instructions and safety instructions of the Kärcher high pressure cleaner with which the device is to be used. Act in accordance with them.
Keep all booklets for future reference or for future owners.

Safety instructions

CAUTION

Do not operate the device while other people or animals are near the device.
After finishing the cleaning work, switch off the high pressure cleaner and disconnect the device from the high-pressure gun before checking or performing care work on the device.
Risk of injury from recoil. Keep proper footing and hold the high-pressure gun and extension tube firmly.
The maximum permissible water temperature is 60°C.

ATTENTION
Risk of damage!
Risk of damage due to insufficient distance of the high pressure nozzle.
Only operate the high-pressure gun as long as the high pressure nozzle is at a sufficient distance from surfaces.
Keep a distance of at least 30 cm between painted surfaces and the high- pressure nozzle.
Note

Be sure to also observe the safety instructions and the operating instructions of the high-pressure cleaner used as well as local laws, regulations and ordinances.

Illustrations and descriptions in these operating instructions

Illustrations and descriptions in these operating instructions may differ from the scope of delivery and equipment for your device.
Note
Subject to technical changes without notice.

Environmental protection

** The packing materials can be recycled. Please dispose of packaging in accordance with the environmental regulations.
Old devices contain valuable, recyclable materials that should be recycled. Therefore, please dispose of old devices using suitable collection systems.
Working with detergents may only be performed on watertight working areas with connection to the waste water sewage system. Do not allow detergent to enter waterways or the soil.
Notes on the content materials (REACH)**
Current information on content materials can be found at: www.kaercher.de/REACH

Intended use

The WB 7 Plus washing brush combines three cleaning functions and is ideal for cleaning surfaces such as paint, glass or plastic (garden furniture, vehicles, motorbikes, winter gardens, garage doors, roller shutters, blinds, etc.).
The washing brush can be used with all Kärcher Home & Garden high-pressure cleaners of the K 2 to K 7 classes.
The washing brush can be used in indoor areas such as laundry rooms or garages as long as there is a water drainage possibility.
Use the washing brush in private households only.

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

When unpacking the device, use the operating instructions to check the contents of the box for completeness and for damage . Please contact your dealer if any parts are missing or in the event of any shipping damage.

Description of the device

For the illustrations, refer to the graphics page Illustration A

Washing brush
Adjustment ring for cleaning functions
Bayonet connector
Union nut
Lid for detergent tank
Clip
High-pressure nozzle
Foam nozzle
Bristles
Edge protection
Detergent tank

Initial startup

Switch off the high-pressure cleaner.
Attach the washing brush to the high-pressure gun.
Note
KÄRCHER extension tubes can be used if necessary.
Ensure that the device parts are tightly connected on installation.
Illustration B
a. Completely unscrew the union nut.
b. Press the bayonet connection into the mount on the high-pressure gun.
c. Turn the washing brush clockwise by 90° until the bayonet connection engages on the mount.
If necessary, turn the washing brush 90° anticlockwise to let the bristles point upwards.
d. Tighten the union nut.
ATTENTION
Risk of damage!
Risk of damage to sensitive or painted surfaces due to absorbed dirt particles.
Risk of damage to the bristles.
Never place or lay the washing brush on the bristles to avoid picking up dirt particles and damaging the bristles.
Always place the washing brush so that the bristles point upwards.
Illustration C
Removing the washing brush is done in the reverse order.

Filling with detergent

DANGER
Health risk!
There is a danger of serious damage to health if the detergent is used improperly.
Observe the safety data sheet of the detergent manufacturer, in particular the instructions on personal protective equipment.
ATTENTION
Risk of damage!
Risk of damage if unsuitable detergents are used.
Do not use any unsuitable detergents that can damage the device or the object to be cleaned.
Note
We recommend using Kärcher detergents such as e.g. Kärcher Universal Cleaner, Plastic Cleaner, Car Shampoo.

Release the detergent tank lid by pulling it slightly upwards out of the filling opening and turn it to the side.
Illustration D
Tilt the washing brush slightly downwards.
Fill the detergent into the detergent tank.
Pour in the detergent slowly to avoid bubbles.
Fill up to the edge of the housing (arrow) at the most.
Turn back the detergent tank cap and press it into the filling opening.

Operation

Setting the cleaning function
ATTENTION
Risk of damage!
Turning the adjustment ring for cleaning functions while the high-pressure gun is actuated can damage the washing brush.
Do not turn the adjustment ring for cleaning functions while the high-pressure gun is actuated.

Turn the cleaning function adjustment ring to the corresponding symbol to set the desired cleaning function.
Illustration E**| Flat jet
A flat jet comes out of the high-pressure nozzle when the high-pressure gun is actuated.
Application:
● Pre-cleaning, loosening coarse dirt
● Thorough main cleaning
● Rinsing off cleaning foam and dissolved soiling
---|---
| Cleaning foam
Cleaning foam comes out of the foam nozzle when the high-pressure gun is actuated.
Application:
● Application of detergents
| Washing brush**
Water is emitted in the area of the bristles when the high-pressure gun is actuated.
Application:
● Gentle, mechanical main cleaning with water-rinsed bristles. Loosening and constant rinsing of soiling, to avoid surface damage.

ATTENTION
Surface damage
Damage to sensitive or painted surfaces due to insufficient distance of the high-pressure nozzle.
For sensitive or painted surfaces, keep a spray distance of at least 30 cm.
Do not remain in one area, but rather keep the washing brush in motion.
First test the cleaning functions on an inconspicuous spot.

Set the “Flat jet” cleaning function, see chapter Setting the cleaning function.
Operate the high-pressure gun and pre-clean the surfaces from bottom to top.
Illustration F

Applying cleaning foam

Set the “Cleaning foam” cleaning function, see chapter Setting the cleaning function.
For high-pressure guns with pressure control, set the highest pressure level to achieve optimum foaming.
ATTENTION
Risk of damage!
Cleaning foam can damage surfaces on hot surfaces and if left on too long.
Do not apply cleaning foam to hot surfaces and observe the maximum contact time.
Do not allow cleaning foam to dry on the surfaces being cleaned.
Operate the high-pressure gun and apply the cleaning foam from the bottom to the top of the surfaces to be cleaned.

Note
If the foam output is low or the residual amount in the detergent tank is small, tilt the foam nozzle slightly downwards as shown or top up with detergent.
Note
The detergent has a better effect on a dry surface.
Illustration G
Cleaning with the washing brush
ATTENTION
Paint damage
Damage to surfaces through a dirty washing brush.
Make sure that the washing brush is free from dirt or other particles before using it.

Set the “Washing brush” cleaning function, see chapter Setting the cleaning function.
ATTENTION
Risk of damage!
Damage to surfaces due to coarse dirt.
Remove coarse dirt from the surfaces to be cleaned with the flat jet before each use of the washing brush, see chapter Pre-clean.
ATTENTION
Risk of damage!
Risk of damage due to excessive force.
Guide the washing brush over the surfaces with only a small amount of force to avoid damage caused by contact with the washing brush housing.
In addition, the edge protector protects against contact with sensitive surfaces.
Operate the high-pressure gun and clean the surfaces from bottom to top with the washing brush.
Illustration H

Post-cleaning
ATTENTION
Surface damage
Damage to sensitive or painted surfaces due to insufficient distance of the high-pressure nozzle.
For sensitive or painted surfaces, keep a spray distance of at least 30 cm.
Do not remain in one area, but rather keep the washing brush in motion.
First test the cleaning functions on an inconspicuous spot.
Post-cleaning:

Set the “Flat jet” cleaning function, see chapter Setting the cleaning function.
Operate the high-pressure gun and rinse off any remaining soiling and cleaning foam from the bottom up.
Illustration F

After use

Rinsing the detergent tank and foam nozzle
ATTENTION
Risk of damage!
Risk of damage due to clogging of the foam nozzle with dried detergent.
Rinse the detergent tank and foam nozzle after each use of detergent.

Release the detergent tank lid by pulling it slightly upwards out of the filling opening and turn it to the side.
Illustration I
Fill unused detergent from the detergent tank back into the detergent bottle.
Fill the detergent tank about halfway with clean water, swing it out and empty it.
Fill the detergent tank with clean water.
Turn the cleaning function adjustment ring to the “Cleaning foam” position.
Operate the high-pressure gun for approx. 15 sec. The foam nozzle is rinsed.
Empty the detergent tank.
Turn back the detergent tank cap and press it into the filling opening.

Cleaning the washing brush
Clean the washing brush thoroughly and let it dry after each use.

Remove the washing brush from the high-pressure gun, see chapter Initial startup.
Rinse the washing brush thoroughly with clean water, especially the bristles.
Illustration J
ATTENTION
Risk of damage!
There is a danger of permanent deformation when the washing brush is placed on the bristles.
Do not store the washing brush standing on the bristles.
Shake out the washing brush vigorously and lay it down so that the bristles point upwards.
Illustration K
Allow the washing brush to dry completely.

Storage

ATTENTION
Risk of damage!
There is a danger of permanent deformation when the washing brush is placed on the bristles.
Do not store the washing brush standing on the bristles. Store the cleaned, dry washing brush with the bristles pointing upwards in a frost-free place.
Illustration K

Care and service

Removing/installing the high-pressure nozzle

Remove the washing brush from the high-pressure gun, see chapter Initial startup.
Remove the friction high-pressure nozzle from the washing brush.
Illustration L
CAUTION
Risk of injury
When using screwdrivers, there is a danger of stabbing and cutting injuries as well as material damage due to slipping.
Use screwdrivers carefully.
a Lever out the clips the using a screwdriver.
b Pull the high-pressure nozzle out.
Install the high-pressure nozzle in the washing brush in the reverse order.

Cleaning the high-pressure nozzle

Remove the high-pressure nozzle, see chapter Removing/installing the high-pressure nozzle.
Flush the high-pressure nozzle with clean water in both directions. Replace a damaged high-pressure nozzle if necessary.
Install the high-pressure nozzle, see chapter Removing/installing the high-pressure nozzle.

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.

Fault	Cause	Rectification
High-pressure cleaner not building up pressure or pulsing.	The high-pressure
nozzle is clogged or damaged.	1. Remove the high-pressure nozzle, see

chapter Removing/installing the high-pressure nozzle.
2. Check the high-pressure nozzle for blockage and clean if necessary, see chapter Cleaning the high-pressure nozzle.
3. Check the high-pressure nozzle for damage and replace if necessary.
4. Rinse the washing brush without the high-pressure nozzle with clean water.
5. Install the high-pressure nozzle, see chapter Removing/installing the high-pressure nozzle.
No foam or too little cleaning foam comes out of the foam nozzle.| The adjustment ring for cleaning func- tions is not turned to the “Cleaning foam” position.| 1. Turn the adjustment ring for cleaning functions to the “Cleaning foam” position, see chapter Setting the cleaning function.
No detergent or too little detergent in the detergent tank.| 1. Fill suitable detergent into the detergent tank, see chapter Filling with detergent.
The detergent tank and foam nozzle have not been rinsed with clean water after use and are clogged with dried deter- gent.| 1. Fill the detergent back into the detergent bottle, see chapter Rinsing the detergent tank and foam nozzle.
2. Fill the detergent tank with clean, cold water.
3. Turn the cleaning function adjustment ring to the “Cleaning foam” position and operate the high-pressure gun to rinse the foam nozzle.
4. If foam still does not come out, open the detergent tank lid and immerse the washing brush completely in clean, cold water for 1 hour.
5. Fill the detergent tank with clean, cold water and operate the high- pressure gun for approx. 30 sec. to rinse the foam nozzle.
6. Empty the detergent tank.
7. Fill detergent into the detergent tank, see chapter Filling with detergent.

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)

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