To reduce the risk of fire, electric
shock, or injury:
– Do not leave appliance when
plugged in. Unplug from outlet
when not in use and before servicing.
WARNING
– TO REDUCE THE RISK OF ELEC-
TRIC 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 discribed in this manu-
al. Use only manufacturer`s recommended attachments.
– Do not use with damaged cord or
plug. If appliance is not working as
it should, has been dropped, damaged, left outdoors, or dropprd into
water, return it to a service center.
– Do not pull or carry by cord, use
cord as a handle, close a door on
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 on cord. To
unplug, grasp the plug, not the
cord.
– Do not handle plug or appliance
with wet hands.
– Do not put any object into openings.
Do not use with any opening
blocked; keep free of dust, lint, hair,
and anything that may reduce air
flow.
– Keep hair, loose clothing, fingers,
and all parts of body away from
openings and moving parts.
– Turn off all controls before unplug-
ging.
– 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 Instruction.
SAVE THESE INSTRUCTIONS
GROUNDING INSTRUCTIONS
This appliance must be grounded. If it
should malfunction or breakdown,
grounding provides a path of least resistance for electric current to reduce
the risk of electric shock. This appliance is equipped with a cord having an
equipment-grounding conductor and a
grounding plug. The plug must be inserted into an appropriate outlet that is
properly installed and grounded in accordance with all local codes and ordinances.
WARNING
Improper connection of the equipment
grounding conductor can result in a
risk of electric shock. Check with a
qualified electrician or service person if
you are in doubt as to whether the outlet is properly grounded. Do not modify
the plug provided with the appliance-if
it will not fit the outlet, have a proper
outlet installed by a qualified electrician.
This appliance is for use on a nominal
120-volt circuit and has a grounding attachment plug that looks like the plug
illustrated in sketchpicture 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.
Save operation is in the responsibility
of the operator.
The operator shall be familiar with the
operation and function of all controls
and instruments before undertaking to
operate the unit.
Before operating the unit, operators
shall have read and be familiar with the
operator’s manual for the particular
unit being operated and they shall also
abide by the safety rules and practices
in the following paragraphs.
Before operating any unit, the operator
shall be familiar with unusual operating
conditions which may require additional safety precautions or special operating instructions.
General
Before starting to operate the unit be in
operating position.
Do not start or operate the unit, any of
its functions or attachments, from any
place other than from the designated
operators position.
Before leaving the operator’s position:
A bring the unit to a complete stop;
B if the unit 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 unit.
Do not block access to fire aisles, stairways or fire equipment.
Travelling
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 traffic, personnel, and safe clearances.
Under all travel conditions, operate the
unit at a speed that will pernit 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 dockboard or
bridge plate, be sure that it is properly
secured. Drive carefully and slowly
across the dockboard 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 unit
If the unit 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
unit shall not be operated until it has
been restored to safe operating condition.
If during operation the unit becomes
unsafe in any way, the matter shall be
- 1
3EN
reported immediately to the user’s designated authority, and the unit shall not
be operated until it has been restored
to safe operating condition.
Do not make repairs or adjustments
unless specifically authorized to do so.
MAINTENANCE AND REBUILD
PRACTICES
Operation of the unit 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 unit
shall be performed in conformance
with the following practices:
A a schedules planned maintenance,
lubrication, and inspection system
shall be followed; consult the manufacturer’s recommendations.
B only tranined and authorized per-
sonnel shall be permitted to maintain, repair, adjust, and inspect the
unit, and in accordance with manufacturer’s specifications.
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 unit 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 unit shall be kept
in a clean condition and reasonably
free of lint, excess oil, and grease.
Noncombustible agents are preferred
for cleaning the unit. 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 unit 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.
The unit shall not be used in classified
areas.
Please read and comply
with these instructions prior to the initial operation of your appliance. Retain these operating
instructions for future reference or for
subsequent possessors.
Before using the appliance for the first
time, read and observe these operating instructions and the accompanying
brochure: Safety information for brush
cleaning units and spray-extraction
units, 5.956-251.
Symbols
The following symbols are used in this
operating manual:
Danger
Indicates an immediate threat of danger. Failure to observe the instruction
may result in death or serious injuries.
몇 Warning
Indicates a possibly dangerous situation. Failure to observe the instruction
may result in light injuries or damage to
property.
Note
Indicates useful tips and important information about the product.
Function
The appliance is used for the wet
cleaning or polishing of level floors.
Two brush rollers located opposite of
each other clean the floor by means of
the added detergent liquid. A working
width of 400 mm and a capacity of 10 l
each of the fresh and dirt water reservoirs allow for effective cleaning.
The power supply operation allows a
high capacity without a restriction of
the working time.
Note
The appliance can be equipped with
various accessories depending on the
cleaning task. Please request our catalogue or visit us on the Internet at
www.kaercher.com.
Proper use
Use this appliance only as directed in
these operating instructions.
– The appliance may only be used for
the cleaning of hard surfaces that
are not sensitive to moisture and
polishing operations.
The application temperature ranges
from +5°C to +40°C.
– The appliance is not suited for the
cleaning of frozen grounds (e.g. in
cold stores).
– The appliance may only be
equipped with original accessories
and spare parts.
– The appliance has been designed
for the cleaning of floors inside or or
covered surfaces. With respect to
other applications the usage of alternative brushes must be checked.
– The appliance is not intended for
the cleaning of public traffic routes.
Environmental protection
The packaging materials
are recyclable. Please do
not throw packaging in the
domestic waste but pass it
on for recycling.
Old units contain valuable
recyclable materials. Batteries, oil and similar substances may not be released into
the environment. Therefore
please dispose of old units
through suitable collection
systems.
Notes about the ingredients
(REACH)
You will find current information about
the ingredients at:
www.kaercher.com/REACH
4EN
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25
24
Operating elements
1 Lock for fresh water reservoir
2 Switch for brush drive
3 Switch for detergent solution
4 Hose for detergent solution
5 Lint sieve (suction)
6 Lock of pushing handle
7 Release button for the transport
wheel
8 Bearing wheel
9 Push handle
10 Strain relief clamp
11 Support of the transport wheel
12 Clip
13 Fresh water tank
14 Dirt water reservoir
15 Push-button for vacuum bar
change
16 Float
17 Button for brush change
18 Chassis
19 Vacuum bar
20 Brushing rollers
21 Rotating handle for brush contact
pressure
22 Pedal to lower vacuum bar
23 Mains plug
24 Carrying handle for wastewater res-
ervoir
25 Fresh water tank cover
Before Commissioning
Installing the pushing handle
Slide the upper slider half onto the
lower slider half.
몇 Warning
Risk of damage. Do not pinch the cable
during the installation.
Align the borings (2 possible height
adjustments).
Connect the slider halves to the
lock screws, discs and star grips.
Fasten the cable to the slider using
clips.
Installing the transport wheels
Insert the transport wheel axles into
the borings on the appliance and
lock them.
Installing the Brushes
The brushes must be installed before
the initial operation (see "Maintenance
works").
- 3
5EN
Operation
Driving to the Place of Use
Establish mains contact
Note
To take the brush drive out of operation, immediately release brush drive
switch.
Filling in detergents
몇 Warning
Risk of damage. Only use the recommended detergents. With respect to
different detergents the operator bears
the increased risk regarding the operational safety and danger of accident.
Only use detergents that are free from
solvents, hydrochloric acid and hydrofluoric acid.
Note
Do not use highly foaming detergents.
Observe the dosing notes.
Recommended detergents:
ApplicationDetergent
Routine cleaning of all
water resistant floors
Routine cleaning of
glossy surfaces (e.g.
granite)
Routine cleaning and
basic cleaning of industrial floors
Routine cleaning and
basic cleaning of fine
stoneware tiles
Routine cleaning of tiles
in sanitary areas
Cleaning and disinfection in sanitary areas
Removal of coating
from all alkali-resistant
floors (e.g. PVC)
Removal of coating
from linoleum floors
Open the cover of the fresh water
reservoir.
Pour in water/detergent mixture.
Maximum temperature of the liquid
50°C
Note
The fresh water reservoir cover can be
used to meter the detergent. The capacity of the cover up to the mark represents 1% of the fresh water reservoir
capacity.
Close the cover of the fresh water
reservoir.
RM 746
RM 780
RM 755 es
RM 69
ASF
RM 753
RM 751
RM 732
RM 752
RM 754
Short distances on even surfaces
Place the slider vertically.
Position the rotary handle for the
brush contact pressure in the drive
position.
Use the pushing handle to push the
appliance to the place of use.
Longer distances on uneven surfaces
Place the slider vertically and tilt the
lock up.
Install the transport wheels.
몇 Warning
Danger of damage due to leaking water. Remove the waste water and fresh
water reservoirs before tilting the appliance.
Remove the filled waste and fresh
water reservoirs from the appliance
and transport them separately.
Tilt the appliance to the side and
drive it to the place of use on its
transport wheels.
If the transport wheels hinder the use
of the appliance:
Press the transport wheel release
button and pull the transport wheel
out.
Insert the transport wheels into their
holder until they stop.
Adjust the brush contact pressure
Place the slider vertically.
Adjust the rotary handle of the
brush contact pressure to the desired value.
Note
Carry out the initial cleaning attempts
with less contact pressure. Increase
contact pressure step-by-step until the
desired cleaning result is achieved. A
correct setting of the contact pressure
reduces the wear and tear of the
brushes.
The brush drive is switched off when
there is overload.
When cleaning with microfibre rollers,
the contact pressure must not be adjusted higher than the position mentioned below. With a higher contact
pressure, there is a danger of destroying the microfibre rollers.
+
-
Danger
Check the mains cables of the machine each time before using the machine to see that it is not damaged.
Never operate a machine with damaged cables. Get the damaged cables
replaced by an electrician.
Insert the looped end of the exten-
sion cable in the strain relief hook.
Plug in the mains plug.
Cleaning
If the detergent solution is to be
vacuumed off after the cleaning
process, use the vacuum bar lowering pedal.
Swivel the slider toward the opera-
tor - the chassis is retracted and the
brushes touch the floor.
Turn on the brushes by using the
switch for the brush drive.
Turn on the brush irrigation by us-
ing the switch for the detergent solution.
Move the appliance over the sur-
face to be processed by the slider.
몇 Warning!
Risk of damage to the floor covering.
Do not operate the appliance on the
spot.
Polishing
Swivel the slider toward the opera-
tor - the chassis is retracted and the
brushes touch the floor.
Turn on the brushes by using the
switch for the brush drive.
Move the appliance over the sur-
face to be processed by the slider.
몇 Warning!
Risk of damage to the floor covering.
Do not operate the appliance on the
spot.
Note
To polish furniture, the fresh water and
wastewater reservoirs can be removed.
Shutting Down the Appliance
6EN
Release the switch for detergent
solution.
- 4
Push the appliance forward for an-
other 1-2 m to draw off residual wa-
ter.
Release the brush drive button.
Press the pedal to lower the vacu-
um bar.
Place the slider vertically - the
brushes are elevated.
Disconnect the mains plug.
몇 Warning
Danger of deforming the brushes.
When switching off the appliance, take
the load off the appliance by placing
the slider vertically.
Emptying the Fresh Water Res-
ervoir
Open the locks for the fresh water
reservoir.
Tilt the carrying hanlde for the
wastewater reservoir towards the
side.
Lift up the fresh water reservoir and
carry it to the disposal site.
몇 Warning
Please observe the local provisions regarding the wastewater treatment.
Remove the cover of the fresh wa-
ter reservoir and pour out the liquid
via the notch.
Emptying the Dirt Water Reser-
voir
Note
If the dirt water reservoir is full the float
closes the suction channel. The suction operation is interrupted. Empty the
dirt water reservoir.
Remove the fresh water reservoir,
as described above.
Lift up the wastewater reservoir and
carry it to the disposal site.
몇 Warning
Please observe the local provisions regarding the wastewater treatment.
Pour out dirt water.
Rinse the dirt water tank with clear
water.
Transport
If you want to transport the appli-
ance on a vehicle secure it from
slipping.
To reduce the required space, the
pushing handle can be folded or disassembled:
Release the star grips of the push-
ing handle fastening.
Unscrew the star grips, remove the
screws and take off the upper push
handle half.
Maintenance and care
Danger
Risk of injury!
Pull the plug from the mains before
carrying out any tasks on the appliance.
몇 Warning
Risk of damage to the appliance on account of water leakage. Drain out dirt
water and the remaining free water before wokring at the machine.
Maintenance schedule
After the work
몇 Warning
Risk of damage. Do not wash down the
appliance with water and do not use
aggressive detergents.
Pour out dirt water.
Rinse the dirt water tank with clear
water.
Empty the fresh water reservoir.
Fill the fresh water tank with clear
water and rinse the appliance to
avoid residue buildup.
Remove the remaining water from
the fresh water tank.
Check the seal in the ball valve in
the fresh water reservoir.
Check the fluff filter, clean if re-
quired
Let the reservoirs dry prior to clos-
ing them to prevent odor creation.
Clean the outside of the appliance
with a damp cloth which has been
soaked in mild detergent.
Clean the vacuum lips, check for
wear and replace the vacuum bar if
required.
Check the brushes for wear, re-
place if required.
Clean the water distribution bars
above the brushes.
Monthly
Check the condition of the seals be-
tween the appliance and the wastewater reservoir; replace if required.
Clean the brush tunnel.
Yearly
Have the prescribed inspection car-
ried out by the customer service.
Maintenance Works
Replacing the vacuum bar
Lift the vacuum bar by activating
the pedal for the vacuum bar lowering.
Press the push-button for the vacu-
um bar change toward the inside the vacuum bar will release.
Pull off the vacuum bar downwards.
Remove the screw springs and in-
stall the new vacuum bar.
Align the new vacuum bar so that
the locking nose points toward the
centre of the appliance.
Insert the screw springs into the
pickups on the appliance.
Insert the vacuum bar into the appli-
ance and lock it in.
Repeat process on the second bar.
Note
Regular exchanges of the two vacuum
bars will improve the scraping effect
and will prolong their life.
Replacing the brush rollers
Lay the device on its side.
Press the brush change key and si-
multaneously tilt the brush roller
downwards.
Pull out the brush roller.
Place the new brush roller on the
driver and lock into place.
Maintenance contract
To ensure a reliable operation of the
appliance maintenance contracts can
be concluded with the competent
Kärcher sales office.
Frost protection
In case of danger of frost:
Empty the fresh and dirt water res-
ervoirs.
Push the button for detergent solu-
tion until no more water is expelled.
Store the appliance in a frost-pro-
tected room.
Faults
Danger
Risk of injury!
Pull the plug from the mains before
carrying out any tasks on the appliance.
몇 Warning
Risk of damage to the appliance on account of water leakage. Drain out dirt
water and the remaining free water before wokring at the machine.
In case of faults that cannot be remedied using the table below please contact the customer service.
- 5
7EN
Faults
FaultRemedy
Appliance cannot be startedCheck if the mains plug is connected.
Socket fuse rating too low, look for proper socket.
Insufficient water quantityCheck fresh water level, refill tank if necessary.
Clean the ball valve in the fresh water reservoir.
Check and ensure that the fresh water reservoir is seated properly on the appliance.
Filter in the fresh water reservoir is plugged, clean filter.
Check hoses for blockages; clean if required.
Brushes do not turnCheck if foreign matters block the brushes; remove foreign matter if required.
Appliance vibrates. Brush rollers are deformed because they were not unloaded by tilting the slider verti-
Empty the wastewater reservoir.
Check and ensure that the fresh water reservoir is seated properly on the wastewater
reservoir.
Check seals on the fresh water reservoir, clean if necessary.
Clean the seals between the appliance and the dirt water reservoir and check for tight-
ness, replace if required.
Clean the fluff filter.
Clean the vacuum lips on the vacuum bar, replace if required
Suction channel plugged, clean.
Check if the vacuum bar is plugged, remove plug if required
Check the brushes for wear, replace if required.
Use brush rollers suited for the type of dirt and floor covering.
Reduce contact pressure.
Overcurrent protective switch was triggered. The overcurrent protective switch will al-
low the operation after max. one minute.
cally when parking the appliance; replace brush rollers.
Specifications
Power
Nominal voltageV/Hz120 / 60
Average power consumptionW1100
Suction engine outputW500
Brush engine outputW1700
Vacuuming
Cleaning power, air quantityl/s20
Cleaning power, negative pressurekPa10
Cleaning brushes
Working widthmm400
Brush diametermm96
Brush speed1/min650
For cleaning slightly dirtied or sensitive floors. 4.762-249.0 12
Warranty
The warranty terms published by our
competent sales company are applicable in each country. We will repair potential failures of your accessory within
the warranty period free of charge, provided that such failure is caused by
faulty material or defects in fabrication.
In the event of a warranty claim please
contact your dealer or the nearest authorized Customer Service center.
Please submit the proof of purchase.
Machine requires
piece
Spare parts
– Only use accessories and spare
parts which have been approved by
the manufacturer. The exclusive
use of original accessories and
original spare parts ensures that
the appliance can be operated
safely and trouble free.
– At the end of the operating instruc-
tions you will find a selected list of
spare parts that are often required.
– For additional information about
spare parts, please go to the Ser-
vice section at www.kaercher.com.
- 7
9EN
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