K RCHER BD 70/75 W Classic Bp Vacuum Cleaner Instruction Manual

K RCHER BD 70/75 W Classic Bp Vacuum Cleaner

IMPORTANT SAFETY INSTRUCTIONS

READ ALL INSTRUCTIONS BEFORE USING THIS APPLIANCE
WARNING
To reduce the risk of fire, electric shock, or injury:
DO NOT LEAVE appliance unattended when plugged in. Unplug from outlet when not in use and before servicing.

WARNING
TO REDUCE THE RISK OF ELECTRIC SHOCK-USE INDOORS ONLY

• Do not allow to be used as a toy. Close attention is necessary when used by or near children.
• Use only as described in this manual. Use only manufacturer’s recommended attachments.
• Do not use with damaged cord or plug. If the unit is not working as it should, has been dropped, damaged, left outdoors, or dropped into water, return it to a service center.
• Do not pull or carry by the cord, do not use cord as a handle, do not close a door on the cord, or pull cord around sharp edges or corners. Do not run appliance over cord. Keep cord away from heated surfaces.
• DO NOT UNPLUG BY PULLING CORD. To unplug, grasp plug, not cord.
• Do not handle plug or appliance with wet hands.
• Do not put any objects into openings. Do not use if openings are blocked; keep free of dust, lint, hair, and anything that may reduce air flow.
• KEEP HAIR, CLOTHING, LOOSE JEWELRY, FINGERS and all parts of body away from openings and moving parts.
• Turn off all controls before unplugging.
• Use extra care when cleaning on stairs.
• Do not use to pick up flammable or combustible liquids, such as gasoline, or use in areas where they may be present.
• Connect to a properly grounded outlet only. See Grounding Instructions.
• Always disconnect cord from electrical outlet before servicing appliance.
• Never sweep off explosive liquids, combustible gases or undiluted acids and solvents. This includes petrol, paint thinner or heating oil which can generate explosive fumes or mixtures upon contact with the air. Acetone, undiluted acids and solvents must also be avoided as they can harm the materials on the machine.
• Do not vacuum up burning or smouldering objects

GROUNDING INSTRUCTIONS

This device must be grounded. If it should malfunction or break down, grounding provides a path of least resistance for electric current to reduce the risk of electric shock.
This device is equipped with a cord having an equipment grounding conductor and ground plug.
The plug must be plugged into an appropriate outlet that is properly installed and grounded in accordance with all local codes and ordinances.
DANGER
Improper connection of the equipment grounding conductor can result in a risk of electrocution.
Check with a qualified electrician or service personnel if you are in doubt as to whether the outlet is properly grounded.
Do not modify the plug provided with the product – if it will not fit the outlet, have a proper outlet installed by a qualified electrician. Do not use any type of adapter with this product.
This appliance is for use on a nominal 120-volt circuit and has a grounding attachment plug that looks like the plug illustrated in sketch picture A.
Make sure that the appliance is connected to an outlet having the same configuration as the plug
No adaptor should be used with this appliance.
CONNECT TO A PROPERLY GROUNDED OUTLET ONLY

1. Grounded outlet
2. Grounded outlet box
3. Grounded pin

OPERATING SAFETY RULES AND PRACTICES

Owner/User Responsibility

The owner and/or user must have an understanding of the manufacturer’s operating instructions and warnings before using this device.
Warning information should be emphasized and understood.
If the operator is not fluent in English, the manufacturer’s instructions and warnings shall be read to and discussed with the operator in the operator’s native language by the purchaser/ owner, making sure that the operator comprehends its contents.
Owner and/or user must study and maintain for future reference the manufacturers’ instructions.

General

Before starting operation, the device must be in the operating position.

Do not start or operate the device, any of its functions or attachments, from any place other than from the designated operator’s position.
Before leaving the operator’s position:

1. bring the device to a complete stop;
2. if the device must be on an incline, block the wheels. Maintain a safe distance from the edge of ramps, platforms, and other similar working surfaces.
   Do not add to, or modify the device.
   Do not block access to fire aisles, stairways or fire equipment

Traveling

Yield the right of way to pedestrians and emergency vehicles such as ambulances and fire trucks.
Cross railroad tracks at an angle wherever possible. Do not park closer than 6 ft (1800 mm) to the nearest rail of a railroad track. Keep a clear view of the path of travel and observe for other traf- fic, personnel, and safe clearances.
Under all travel conditions, operate the device at a speed that will permit it to be brought to a stop in a safe manner.
Do not indulge in stunt driving or horseplay.
Slow down for wet and slippery floors. Before driving over a dock- board or bridge plate, be sure that it is properly secured. Drive carefully and slowly across the dock board or bridge plate, and never exceed its rated capacity.
When negotiating turns, reduce speed to a safe level consistent with the operating environment. Make the turns smoothly

Operator care of the device

If the device is found to be in need of repair or in any way unsafe, or contributes to an unsafe condition, the matter shall be reported immediately to the user’s designated authority, and the device shall not be operated until it has been restored to safe operating condition.
If during operation the device becomes unsafe in any way, the matter shall be reported immediately to the user’s designated authority, and the device shall not be operated until it has been re- stored to safe operating condition.
Do not make repairs or adjustments unless specifically authorized to do so.

 MAINTENANCE AND REBUILD PRACTICES

Operation of the device may be hazardous if maintenance is neglected or repairs, rebuilds, or adjustments are not performed in accordance with the manufacturer’s design criteria. Therefore, maintenance facilities (on or off premises), trained personnel, and detailed procedures shall be provided.
Maintenance and inspection of the device shall be performed in conformance with the following practices:

1. a scheduled planned maintenance, lubrication, and inspection system shall be followed; consult the manufacturer’s recommendations.
2. Only trained and authorized persons shall be permitted to operate a powered floor scrubber. Operators of powered floor scrubbers shall be qualified as to visual, auditory, physical, and mental ability to operate the equipment safely

Avoid fire hazards and have fire protection equipment present in the work area. Do not use open pans of fuel or flammable cleaning fluids for cleaning parts.

FIRE SAFETY STANDARD

Any device not in safe operating condition shall be removed from service.
Repairs shall not be made in Class I, Class II, and Class III locations.
Fire Prevention. The device shall be kept in a clean condition and reasonably free of lint, excess oil, and grease.
Noncombustible agents are preferred for cleaning the device. Flammable liquids [those having flash points at or above 100°F (37,8°C)] are not allowed. Precautions regarding toxicity, ventilation, and fire hazard shall be appropriate for the agent or solvent used.
Nameplate Visibility. The device type designations as shown on the nameplate and the type markers shall not be covered over with paint so that their identification information is obscured.

General notes

Read these original operating instructions and the enclosed safety instructions before using the device for the first time. Proceed accordingly.
Keep both books for future reference or for future owners.

Function

This scouring and vacuum machine is used for wet cleaning of level floors.
The device can be adjusted to suit the respective cleaning task by setting the water volume and detergent volume appropriately. The detergent dosing is adjusted via the amount added to the tank.
The working width and the capacity of the fresh and waste water tanks (see chapter ” Technical data ) enable effective cleaning with a long working time.
The device has a drive motor.
Note
The device can be equipped with various accessories to suit the respective cleaning task. Request a copy of our catalogue or visit our Internet website at www.kaercher.com.

Intended use

This device is suitable for commercial and industrial use, e.g. in hotels, schools, hospitals, factories, shops, offices, and rental companies. Use the device only in accordance with the information in these operating instructions.

• The device may only be used for cleaning smooth surfaces that are insensitive to water and polishing..
• The device is not suitable for cleaning frozen floors (e.g. in cold stores).
• The device is not suitable for use in potentially explosive environments.
• The device is approved for operation on surfaces with a maximum slope (see chapter Technical data )

Environmental protection

The packing materials can be recycled. Please dispose of packaging in accordance with the environmental regulations.
Electrical and electronic appliances contain valuable, recyclable materials and often components such as batteries, re- chargeable batteries or oil, which – if handled or disposed of incorrectly – can pose a potential threat 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 house- hold rubbish.
Notes on the content materials (REACH)
Current information on content materials can be found at:
www.kaercher.com/REACH

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 authorized 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

Scope of delivery

Check the contents for completeness when unpacking. If any accessories are missing or in the event of any shipping damage, please notify your dealer.

Safety instructions

Before using the device for the first time, read and observe these operating instructions and the accompanying brochure: Safety in- formation for brush cleaning units spray retraction devices, No. 5.956-251.0.
The device is approved for operation on surfaces with a specified limited slope (see Chapter Technical data ).

Before using the device for the first time, read and observe these operating instructions and the accompanying brochure: Safety information for  brush cleaning units spray retraction devices, No. 5.956-251.0.
The device is approved for operation on surfaces with a specified limited slope (see Chapter Technical data).
WARNING
Risk of injury!
Device may tip over on sloping surfaces.
Do not operate the device on sloping surfaces.
The device may only be operated when the hood and all covers are closed.

Safety devices

CAUTION
Missing or modified safety devices!
Safety devices are provided for your own protection. Do not bypass, remove or render ineffective any safety devices

Safety switch

The device switches off when the safety switch is released.

Key-operated switch

Pulling the key out of the key-operated switch secures the device against unauthorized use.

Warning symbols

Observe the following warnings when handling the batteries

| Observe notes in the instructions for the battery, on the battery and in these operating instructions.
---|---
| Wear eye protection.
| Keep acids and batteries away from children.
| Risk of explosion
| Fire, sparks, open flames and smoking are prohibited.
| Risk of acid burns
| First aid.
| Warning
| Disposal
| Do not throw batteries in the bin.

Description of the unit

Overview of front side

1. Push handle
2. Safety switch
3. Waste water tank cap
4. Homebase retaining rail
5. Waste water tank
6. ** Battery
7. Fresh water filter
8. Fresh water tank lock
9. Pedal for brush replacement
10. Disc brush
11. Fresh water tank
12. Hose holder
13. Fresh water tank filling hole
    ** Not in scope of delivery

Overview of rear

1. Waste water drain hose with dosing unit

2. Cleaning head

3. Pedal for brush replacement

4. Suction hose

5. Suction bar inclination adjustment

6. Wing nuts for fastening the suction bar

7. Suction bar height adjustment

8. Suction bar

9. Fresh water filling level indicator
   Fresh water drain hose

10. Cleaning head lever

11. Water volume regulation knob

12. Suction bar lever

13. Battery plug connector

14. Key-operated switch

15. Display

16. Working speed rotary knob

17. Driving direction switch

Overview of R head

Illustration D

1. R head
2. Scraper roll
3. Water distribution strip
4. Side skirt
5. Sweep bin

Overview of waste water tank

Illustration E

1. Coarse dirt filter
2. Fluff filter
3. Float

Type plate

Colour coding

• Control elements for the cleaning process are yellow.
• Control elements for maintenance and servicing are light grey.

Symbols on the appliance

| Fresh water tank drain opening
---|---
| Waste water tank drain opening
| Increased cleaning head contact pressure
| Lashing point
| Fresh water tank filling level (50%)
| Insert the charger plug here
| Lashing point
| * Mop holder
| ATTENTION
Incorrect socket
Risk of damage
DO NOT insert the charger plug here
| Normal cleaning head contact pressure
| Raise the cleaning head
| Pedal for raising/lowering the cleaning head
| Brush replacement pedal

Installation

Unloading

1. Remove the carton.

2. Remove the straps.

3. Remove the wooden blocks fastened to the pallet by screws.

4. Using the 3 upper reinforcing boards of the carton packaging
   and the securing board screwed laterally on the pallet, place a
   ramp in front of the pallet and secure it using board pallet
   screws.
   Illustration F
   
   Illustration G
   
   ① Securing board
   ② Beam
   ③ Reinforcing board

5. Push the beam which has been unscrewed from the pallet under the ramp for  support and screw into place.

6. Press the cleaning head lever down and latch it in place.

7. Only for BD 80/100 and BR 85/100: Press the brake lever down.
   Illustration H
   ① Brake lever
   Note
   For BD 70/75 and BR 75/75, there is no brake. Releasing the brake is not necessary with this device.

8. Pull the device backwards off the pallet.

9. Only for BD 80/100 and BR 85/100: Press the brake lever up.

Installing the suction bar

1. Insert the suction bar in the suction bar mount.
   Illustration J
   

2. Tighten the wing nuts.

3. Fit the suction hose.

Batteries

Recommended battery sets BD 70/75 and BR 75/75

Description| Order no.| Volume (m 3 **)*| Airflow (m 3 / h)**
---|---|---|---
Only BD 70/ 75 W**

115 Ah – maintenance-free

| 2.815-091.0 1)| 1.98| 0.792
170 Ah – maintenance-free| 2.815-092.0 2)| 2.31| 0.924
180 Ah – maintenance-free| 2.815-101.0 3)| 4.785| 1.914

• Minimum volume of the battery charging room
  ** Minimum airflow between battery charging room and environmen For initial installation, an additional battery installation kit is required:

  1. 2638-198.0
  2. 2638-162.0
  3. 2638-106.0

Recommended battery sets BD 80/100 and BR 85/100

Description| Order no.| Volume (m 3 **)*| Airflow (m 3 / h)****
---|---|---|---
170 Ah – maintenance-free| 2.815-092.0 1)| 2.31| 0.924
180 Ah – maintenance-free| 2.815-101.0 2)| 4.785| 1.914
240 Ah – maintenance-free| 2.815-102.0 2)| 6.27| 2.508
285 Ah – maintenance-free| 2.815-095.0 3)| 11.88| 4.752

• Minimum volume of the battery charging room
  ** Minimum airflow between battery charging room and environment
  For initial installation, an additional battery installation kit is required:

  1. 2638-162.0
  2. 2638-106.0
  3. 2638-197.0

Low-maintenance batteries (wet batteries)

DANGER
Danger of burns due to acid leakage!
Only fill the battery with water when it is discharged.
When handling battery acid, use safety goggles and immediately rinse out any acid splashes on the skin or clothing with water.
ATTENTION
Risk of damage to the batteries!
Using water with additives will void the battery’s warranty.
Top up the batteries using only distilled or desalinated water (EN 50272-T3).
Do not use any foreign additives or touch-up agents.

1. Add distilled water one hour before the charging process comes to an end. Observe the correct acid level according to the battery label.
   All cells must produce gas at the end of the charging process.

Maintenance-free batteries (AGM and gel batteries)

ATTENTION
Risk of damage from AGM and gel batteries!
Opening or drilling the battery housing will damage an AGM or gel battery. It must then be replaced.
Do not open the battery housing and do not drill any holes.
Do not cover the pressure relief valve and do not change it.

1. Only charge AGM and gel batteries using the specified chargers, see chapter: Charging the battery

Installing and connecting batteries

WARNING
Risk of injury due to the device tipping over!
Device may tip over when removing and installing batteries. Ensure that the device is positioned stably when removing and installing the batteries.

ATTENTION
Risk of damage to the control electronics!
The control electronics can be destroyed by reversing the polarity of the battery connections.
Take care to ensure the correct polarity when connecting the batteries.

WARNING
Danger to life from fire or explosion if batteries are deeply discharged!
Incorrect charging of deeply discharged batteries can cause a fire.
Do not start the device if the battery is deeply discharged.
Make sure that the battery is charged before starting the system

1. Drain the waste water.

2. Pivot the waste water tank upwards.

3. Place the battery in the device as shown. Important: Push the batteries all the way back!
   BD 80/100 and BR 85/100
   Illustration K
   
   170 Ah, 2.815-092.0
   180 Ah, 2.815-101.0
   240 Ah, 2.815-105.0
   285 Ah, 2.815-095.0
   ① Spacers
   Illustration L
   
   BD 70/75 and BR 75/75
   115 Ah, 2.815-091.0
   170 Ah, 2.815-092.0
   180 Ah, 2.815-101.0
   ① Spacers
   ② Battery holder
   ③ Additional weights

4. nsert a spacer between the right batteries and the fresh water tank,
   a for 115 Ah battery set: 1 piece lengthwise flat.
   b for battery sets other than 115 Ah: 2 pieces lengthwise upright on top of each other.

5. For BD 70/75 with 115 Ah battery set: Insert the 4 additional weights.

6. Attach the battery fastener, to do so
   a for BD 70/75: Install the 2 battery holders and for 115 Ah:
   Tighten at the left and middle threaded holes. For BR 75/75 and BD 70/75: 170 Ah / 180 Ah: Tighten at the right and middle threaded holes.
   b For BD 80/100 and BR 85/100: Insert one or two spacers flat lengthwise or vertically between the front batteries and the fresh water tank so that the batteries cannot slip forward.

7. Connect the poles to the connection cables from the battery installation kit.

8. Clamp the connecting cables on the (+) and (-) battery terminals that are still free.

9. Connect the device-side battery connector to the battery-side battery connector.

10. Pivot the waste water tank downwards.

Removing the batteries

WARNING
Risk of injury due to the device tipping over!
Device may tip over when removing and installing batteries.
Ensure that the device is positioned stably when removing and installing the batteries.

1. Turn the key-operated switch to “0” and remove the key.
2. Disconnect the battery plug.
3. Drain the waste water.
4. Pivot the waste water tank upwards.
5. Disconnect the device-end cable from the negative terminal of the battery.
6. Disconnect the remaining cables from the batteries.
7. For BD 80/100: Remove the spacer(s) between the front batteries and the fresh water tank.
8. For 115 Ah battery set: Take out the additional weights.
9. Remove the batteries.
10. Dispose of the used batteries in accordance with statutoryprovisions.

Initial startup

Charging the battery

DANGER
Risk of injury from charger!
Electric shock due to improper use of the charger!
Adhere to the mains voltage and fuse values specified on the de- vice type plate.
Only use the charger in dry rooms with sufficient ventilation.

ATTENTION
Danger of explosion due to battery!
Gases accumulate under the tank during the charging process. Pivot the waste water tank upwards before charging low-mainte- nance batteries.

ATTENTION
Risk of damage due to unsuitable charger!
Do not connect the charger to the device-side battery connector. Use only a charger suitable for the type of battery installed.
Read the operating instructions of the charger manufacturer and observe the safety instructions in particular.

The average charging time is approx. 10-15 hours.
The device cannot be used during the charging process.

Note
The device has deep discharge protection, i.e. the brush motor and turbine are switched off automatically when the permitted minimum capacity level is reached.

1. Drive the device directly to the charger and do not drive on slopes.

2. Pull out the device-side battery connector.
   Illustration I
   
   ① Battery plug, device side
   ② Battery plug, battery side

3. Connect the battery-side battery connector to the charger.

4. Plug the mains plug of the charger into the socket.

5. Carry out the charging process in accordance with the operating instructions for the charger.

6. Connect the device-side battery connector to the battery-side battery connector.

Operation

ATTENTION
Risks during operation
Danger of injury
Release the safety switch in the case of danger

Filling with operating materials

Filling fresh water

1. Open the fresh water tank cap.

2. Fill fresh water (maximal 122 °F (50 °C)) to the lower edge of the filling nozzle.
   Note : The fresh water hose can be clamped with the hose holder during filling.

3. Close the fresh water tank lock.

Notes on detergents

WARNING
Risk of damage to the device!
If unsuitable detergents are used, the device may get damaged.
Use only recommended detergents. The operator carries all increased risks relating to operational safety and increased risk of accidents if using other detergents.
Use only detergents free of solvents, salt and hydrofluoric acid.
Adhere to the safety instructions stated on the detergent packaging.
Note
Do not use heavily foaming detergent. Recommended detergents

Intensive alcohol cleaner for floors and surfaces. Wellsuited for hard rock such as granite| RM 755
Fine stone cleaner, surfactant-free| RM 753
Universal decoater, suitable for linoleum| RM 754
Acidic vending machine basic cleaner. Suitable for sanitary areas and construc- tion cleaning| RM 751
Industrial maintenance cleaner| RM 69
Industrial basic cleaner and alkaline decoater| RM 752
Surface disinfectant cleaner| RM 732

Detergent

Fill the detergent into the fresh water tank.
Note: The cap for the fresh water tank filling hole can be used for measuring the correct quantity of detergent. It has a measuring scale marked on the inner side.

Adjusting the water volume

1. Adjust the water volume via the regulating knob to suit the degree of soiling of the floor covering.

Note
Perform initial cleaning tests with a low water volume. Increase the water volume step by step until achieving the desired cleaning result.
Note
The cleaning head continues operating without a liquid supply if the fresh water tank is empty.

Adjusting the suction bar

Adjusting the inclination

The inclination must be adjusted so that the suction lips of the suction bar make even contact with the floor over the entire length of the suction bar.

1. Loosen the screw.
   Illustration N
   
   
   ① Screw

2. Adjust the inclination of the suction bar.

3. Tighten the screw.

Adjusting the height

The height adjustment affects the bending of the suction lips on contact with the floor.

1. Push the device a small distance forwards.

2. Compare the bending of the suction lips with the figure below.
   Illustration O
   
   ① Spacer roller with holder
   ② Washer
   ③ Screw

3. Unscrew the screw.

4. Insert a sufficient number of washers between the suction bar and spacer roller to create the correct bending of the suction lip.

5. Fit the remaining unused washers above the spacer roller.

6. Screw in and tighten the screw.

7. Repeat the entire procedure at the second spacer roller.

8. Push the device a small distance forwards.

9. Check the bending of the suction lips over the entire length.

10. Repeat the adjustment procedure if necessary.

Cleaning

Switching on the device

1. Turn the key-operated switch to “1”.
   The display shows the following one after the other:
   ● Period of time until the next after-sales Customer Service
   ● Software version, control panel
   ● Charging state of the battery and number of operating hours

Driving

Note
The direction of travel can be changed during the cleaning operation. This way, a certain position can be intensively cleaned by driving back and forth several times.
1. Set the driving direction switch to “forward”.
Note
To reduce the vehicle width, the suction bar can be mounted on the transport holder. Narrow passages can be easily passed through in this way.

Cleaning

Note
The inclination and height of the suction bar can be adjusted to improve the vacuuming results (see chapter Adjusting the suction bar).
Note
When the waste water tank is full, the float switch closes the suction opening and the suction turbine runs at a higher speed. In this case, raise the suction bar and drive to the location for emptying the waste water tank.

1. Turn the working speed rotary knob to the desired value. The speed is shown on the display during the adjustment. The display is shown in percentage of the maximum speed.

2. Set the water volume at the regulating valve.

3. Press the suction bar lever downwards.
   The suction bar lowers.
   Vacuuming begins.

4. Press the cleaning head lever downwards, unlatch it and allow it to move upwards.

5. Pull the safety switch towards the push handle. The cleaning head starts up and the device moves at the set speed.

Increasing brush contact pressure (BD variant only)

1. Let go of the safety switch.
2. Lift the cleaning head lever up with your hand and latch it towards the right.

Finishing operation

Finishing cleaning

1. Let go of the safety switch.

2. Press the cleaning head lever down and latch it in place.

3. Continue moving a short distance.
   The residual water is vacuumed up.

4. Lift the suction bar.
   The suction continues to run for 10 seconds.

5. Turn the key-operated switch to “0”.

6. Charge the battery if necessary

Draining the waste water

WARNING
Environmental pollution!
Environmental pollution due to improper disposal in waste water.
Observe the local waste water treatment regulations.

1. Remove the drain hose from the support and lower it over a suitable collecting device.
   Illustration P
   

2. Press the dosing unit together or kink the hose.

3. Open the dosing unit cover.

4. Drain the waste water. Regulate the water volume by pressing or kinking.

5. Rinse the waste water tank with clear water.

Draining fresh water

1. Pull off the filling level indicator hose and swivel it down.

Quickly draining fresh water

1. Unscrew the fresh water tank cap.
2. Allow the fresh water to drain away.
3. Fit the fresh water tank cap and screw into place.
   Note : Take care to ensure that the hose connection in the fresh water tank cap is positioned at the lowest point in the tank after screwing the cap in place.

Transport

DANGER
Driving on slopes
Risk of injury
Observe the maximum permissible inclination when driving the device on slopes for loading and unloading purposes (see chapter “Technical data”).
Drive slowly.
CAUTION
Failure to observe the weight
Risk of injury and damage
Be aware of the weight of the device during transport.
Only load the device with the assistance of another person or by using the drive.

1. Press the cleaning head lever down and latch it in place.

2. Raise the suction bar.

3. Turn the key-operated switch to “1”.

4. Select the travel direction at the travel direction switch.

5. Pull the safety switch towards the push handle.

6. When transporting in vehicles, secure the device against slipping and tipping over according to the applicable guidelines.
   Illustration Q
   

7. First fit the strap under the waste water tank.

Storage

CAUTION
Risk of injury and damage!
The device may tip over on sloping surfaces.
Be aware of the weight of the device during storage.
ATTENTION
Frost
Destruction of the device through freezing water
Drain all water from the device.
Store the device in a frost-free location.

• This device may only be stored indoors.
• Fully charge the batteries before storing them for a long period.
• Fully charge the batteries at least every month during storage.

Care and maintenance

DANGER
Risk of injury!
The device may start moving unexpectedly and cause injury.
Turn the key-operated switch to “0” and remove the key before performing any work on the device.
Pull out the charger mains plug.

• Drain and dispose of the waste water and fresh water.

Safety inspection/maintenance contract

You can agree on regular safety inspections or close a maintenance contract with your dealer. Please seek advice on this.

Maintenance intervals

Each time after use

ATTENTION
Risk of damage!
Risk of damage to the device due to improper cleaning.
Do not spray the device with water and do not use aggressive detergents.
A detailed description of the individual maintenance work is provided in Chapter Maintenance work.

• Drain the waste water.
• Rinse the waste water tank with clear water.
• Clean the exterior of the device using a damp cloth, wetted with a mild washing lye.
• Check the fluff filter and clean if required.
• Clean the coarse dirt filter.
• Clean the coarse dirt filter.
• Only BR variants: Remove and empty the coarse dirt receptacle.
• Only BR variants: Clean the water distribution channel.
• Clean the suction lips, check for wear and adjust the height or replace if necessary.
• Check the disc brushes for wear and replace if necessary.
• Charge the battery.
  • If the charging state of the battery is below 50%, charge the battery fully and without interruption.
  • If the charging state of the battery is above 50%, only recharge the battery if the entire operating duration will be required when next used.

Weekly

When used regularly, charge the battery fully and without interruption at least once a week.

Monthly

A detailed description of the individual maintenance work is provided in Chapter Maintenance work.

1. Drain the fresh water tank and flush out deposits.
2. Clean the fresh water filter.
3. Clean the float and fluff filter.
4. Check battery poles for oxidation, brush off if necessary. Make sure the connection cables are firmly in place.
5. Clean the seals between the waste water tank and the cover, check for leaks and replace if necessary.
6. Check the acid density of the cells if the batteries are not maintenance-free.
7. If the device is not used for a longer period of time, shut down the device when the batteries are fully charged. Fully charge the battery at least once a month.

Annually

• Have the prescribed inspection performed by Customer Service.

Maintenance work

Turn over or replace the worn suction lips

The suction lips must be turned over or replace when they have worn down to the wear mark.
Illustration R

① Wear mark
② Suction lip

1. Remove the suction bar.

2. Unscrew the star handles.
   Illustration S
   

3. Pull off the plastic parts.

4. Pull off the suction lips.

5. Push in the turned over or new suction lips.

6. Push on the plastic parts.

7. Screw in and tighten the star handles.

Cleaning the fresh water filter

1. Drain the fresh water (see Chapter Draining fresh water).

2. Unscrew the fresh water tank lock.
   Illustration U
   
   ① Fresh water tank lock
   ① Fresh water filter

3. Pull out the fresh water filter and rinse with clean water.

4. Insert the fresh water filter.

5. Fit the fresh water tank lock.
   Note: Take care to ensure that the hose connection in the fresh water tank cap is positioned at the lowest point in the tank after screwing the cap in place.

Cleaning the coarse dirt filte

1. Open the waste water tank cover.
   Illustration T
   
   ① Coarse dirt filter

2. Pull the coarse dirt filter upwards and off.

3. Rinse off the coarse dirt filter under running water.

4. Reinsert the coarse dirt filter into the waste water tank.

Clean the float and fluff filter

1. Open the waste water tank cover.
   Illustration V
   
   ① Latching hooks
   ② Float
   ③ Fluff filter
   ④ Float housing

2. Release the latching hooks.

3. Pull the float housing downwards and off.

4. Remove the float from the float housing and clean it.

5. Remove the fluff filter and clean it.

6. Assemble all parts in the reverse order

Replacing the disc brushes

1. Raise the cleaning head.

2. Press the brush replacement pedal down, beyond the zone of resistance.
   Illustration W
   
   ① Brush replacement pedal

3. Pull the 1st disc brush sideways and out from underneath the cleaning head.

4. Hold the new disc brush under the cleaning head, then press upwards and latch it into position.

5. Repeat the procedure for the 2nd disc brush.

Replacing the roller brushes

1. Raise the cleaning head.

2. Pull out the brush replacement handle.
   Illustration Y
   
   ① Brush replacement handle
   ② Bearing cover with squeegee blade
   ③ Roller brush

3. Remove the bearing cover including the squeegee blade.

4. Pull out the roller brush.

5. Fit the new roller brush and centre it on the driver.

6. Install the bearing cover with the squeegee blade.
   Note
   Make sure the roller brush sits on the mounting mandrel and not underneath.

7. Pivot the brush replacement handle upwards and latch it into place.

8. Repeat the entire procedure at the other side.

Cleaning the water distribution strip

Illustration X

① Water distribution strip
② Unlocking button

1. Press lock in the direction of the arrow and hold it there.
2. Pivot water distribution strip forward.
3. Pull out water distribution strip lengthways.
4. Clean the water distribution strip.
5. Fit water distribution strip back into the cleaning head and snap the lock into place.

Troubleshooting guide

DANGER
Risk of injury!
The device may start moving unexpectedly and cause injury.
Turn the key-operated switch to “0” and remove the key before performing any work on the device.

Pull out the charger mains plug.

• Drain and dispose of the waste water and fresh water.
• Contact Customer Service in the case of malfunctions that cannot be corrected using this table.

1. Turn the key-operated switch to “1”.
2. Unlock the emergency stop button on the control panel by turning it. (Note: not all device versions are equipped with an emergency stop button)
3. Actuate the safety switch.
4. Insert the battery plug.
5. Check the battery and charge if necessary.
6. Check that the battery terminals are correctly connected.

The water volume is insuffi- cient|

1. Check the fresh water filling level and fill the tank if necessary.
2. Increase the water volume at the water volume regulating knob.
3. Pull off the water distribution strip on the cleaning head and clean the water channel (BR variant only).
4. Clean the fresh water filter.
5. Check the hoses for clogging and clean if necessary.

The suction performance is too low|

1. Shut down the device and drain the waste water.
2. Clean the seals between the waste water tank and the cover, check for leaks and replace if neces- sary.
3. Check that the suction hose is correctly connected to the waste water tank.
4. Check the fluff filter for soiling and clean if necessary.
5. Clean the suction lips at the suction bar, turn over or replace if necessary.
6. Check that the cap on the waste water drain hose is closed.
7. Check the adjustment of the suction bar.
8. Check the suction hose for clogging and clean if necessary. The white marking on the hose must lie at the retaining clip when the suction hose is re-inserted.
9. Check the suction hose for leaks and replace if necessary.

The cleaning results are un- satisfactory|

1. Reduce the driving speed.
2. Check the brushes for wear and replace if necessary.
3. Check the suitability of the brush type and detergent used.

The suction turbine runs at an increased speed|

1. Drain the waste water.
2. Clean the float.
3. Check the fluff filter and clean if necessary.
4. Check the suction hose for clogging and clean if necessary.
5. Check the suction bar for clogging and remove any clogging if necessary

The brushes do not rotate|

1. Check if the brushes are blocked by a foreign body and remove the foreign body if necessary.

The device vibrates during cleaning|

1. Use a softer brush.

Accessories BD variant

Description| BD 70/75 part no.| BD 80/100 part no.| Description
---|---|---|---
Disc brush, white (soft)| 4.905-011.0| 4905-030.0| For cleaning lightly soiled or sensitive floors
Disc brush, natural colour (soft)| 4905-012.0| 4905-031.0| Made of natural fibres for cleaning and polishing
Disc brush, red (medium, standard)| 4905-010.0| 4.905-000.0| For use in all common cleaning tasks
Disc brush, black (hard)| 4905-013.0| 4905-032.0| For heavy soiling and basic cleaning, only for non-sensitive surfaces
Pad drive board| 4762-590.0| 4762-447.0| For cleaning with pads, with quick- change coupling and centre-lock
Pad, white| –| 6.371-331.0| For polishing floors
Pad, red (medium soft)| 6.369-003.0| 6371-147.0| For cleaning all floors
Pad, green (medium hard)| 6.369-002.0| 6371-148.0| For cleaning heavily soiled floors and for basic cleaning
Pad, black (hard)| 6.369-001.0| 6371-169.0| For stubborn soiling and for basic cleaning
Pad, brown (SPP)| 2.639-290.0| 2639-288.0| For protective film application on hard and elastic surfaces

Accessories BR variant

Description| BR 75/75 part no.| BR 85/100 part no.| Description
---|---|---|---
Roller brush, white| 6.907-771.0| 6907-772.0| For polishing and maintenance cleaning of sensitive floors.
Roller brush, red| 4.035-605.0| 4.035-606-0| For maintenance cleaning of heavily soiled floors.
Roller brush, orange| 6.907-730.0| 6907-734.0| For scrubbing structural floors (safety tiles, etc.).
Roller brush, green| 6.907-732.0| 6907-735.0| For basic cleaning of heavily soiled floors and for coating removal (e.g. waxes, acrylates).
Roller brush, black| 6.907-732.0| 6907-736.0
Pad roller shaft| 4762-627.0| 4762-628.0| For holding roller pads.
Microfiber roller| 4114-007.0| 4114-008.0| For maintenance cleaning of smooth floors.

Accessories BD and BR variants

Description| BD 70/75  W Classic Bp NA Part no.| **BD 70/75

• BR 75/75 part no.| BD 80/100 + BR 85/100 part no.| Description**
  ---|---|---|---|---
  Suction bar, 950 mm, curved| 4.777-111.0| –| –| For narrow passage widths
  Suction bar, 1030 mm, curved| –| 4.777-108.0| –| Standard
  Suction bar, 1160 mm, curved| –| –| 4.777-102.0| Standard
  Suction lip set, natural rubber| 4.037-174.0| 4.037-144.0| 4.037-138.0| Standard
  PU suction lip set| 4.037-173.0| 4.037-145.0| 4.037-140.0| Oil-proof
  Suction lip set, Linatex| 4.037-175.0| 4.181-011.0| 4.181-006.0| Tear-proof

Technical data

BD 70/75 W Classic Bp| BR 75/75 W Classic Bp| BD 80/100 W Classic Bp| BR 85/100 W Classic Bp
---|---|---|---
Device performance data
Nominal voltage| V| 24| 24| 24| 24
Battery capacity| Ah| 115 / 170 / 180| 170 / 180| 170 / 180 / 240 / 285| 170 / 180 / 240  /285
Mean power input| W| 1270| 800| 1320| 1150
Driving motor power| W| 250| 250| 300| 300
Suction turbine power| W| 500| 500| 500| 500
Brush drive power| W| 2 x 500| 2 x 600| 2 x 500| 2 x 750
Theoretical surface performance| ft2/h (m2/| 37674.7 (3500) h)| 40364.7 (3.750)| 43000 (4000)| 45746.6 (4.250)
Fresh water tank capacity| gal (l)| 19.8 (75)| 19.8 (75)| 26.4 (100)| 26.4 (100)
Waste water tank capacity| gal (l)| 19.8 (75)| 19.8 (75)| 26.4 (100)| 26.4 (100)
Water temperature max.| °F (°C)| 122 (50)| 122 (50)| 122 (50)| 122 (50)
Water pressure max.| psi (bar)| 0.87 (0.06)| 0.87 (0.06)| 0.87 (0.06)| 0.87 (0.06)
Aisle turning width| in (mm)| 61 (1550)| 61 (1550)| 65 (1650)| 65 (1650)
Max. working area slope| %| 2| 2| 2| 2
Vacuuming
Suction performance, air quantity| CFM (l/s)| 50.8 (24)| 50.8 (24)| 50.8 (24)| 50.8 (24)
Suction performance, vacuum| psi (kPa)| 2.3 (16)| 2.3 (16)| 2.3 (16)| 2.3 (16)
Cleaning brushes
Working width| in (mm)| 27.6 (700)| 29.5 (750)| 31.5 (800)| 31.5 (800)33.5 (850)
Brush diameter| in (mm)| 14 (356)| 4.1 (105)| 16.2 (410)| 4.1 (105)
Brush speed| 1/min| 140| 1200| 140| 1200
Brush contact pressure| lbf (N)| 67.4 / 112.4 (300 / 500)| 90 (400)| 90 / 152.9 (400 / 680)| 89.9 (400)
Dimensions and weights
Approved total weight| lbs (kg)| 959 (435)| 727.5 (330)| 959 (435)| 970 (440)
Net weight (transport weight)| lbs (kg)| 716 (325)| 496 (225)| 716 (325)| 749.6 (340)
Battery compartment dimensions| in (mm)| 24.5 x 15.1
(622 x 384)| 22.6 x 15 (575 x 380)| 24.5 x 15.1 (622 x 384)| 24.5 x 15.1 (622 x 384)
Determined values in acc. with EN 60335-2-72
Overall vibration value| m/s2| <2.5| <2.5| <2.5| <2.5
Uncertainty K| dB(A)| 0.2| 0.2| 0.2| 0.2
Sound pressure level LpA| dB(A)| 65| 65| 65| 65
Uncertainty KpA| dB(A)| 2| 2| 2| 2
Sound power level LWA + K uncertaintyWA| dB(A)| 81| 81| 81| 81

THANK YOU!
MERCI! DANKE! GRACIAS! 

2-2-SC-A4-GS-aw19869

www.kaercher.com/dealersearch
Alfred Kärcher SE & Co. KG
Alfred-Kärcher-Str. 28-40
71364 Winnenden (Germany)
Tel.: +49 7195 14-0
Fax: +49 7195 14-2212

References

• Cleaning equipment and pressure washers | Kärcher International
• Dealer Search | Kärcher International
• Home and Garden Warranty Registration USA - Kärcher

Read User Manual Online (PDF format)

Read User Manual Online (PDF format)  >>

Download This Manual (PDF format)

Download this manual  >>