Kärcher KM 85 W B Classic User manual

www.karcher.com 5.960-501 A2004624 11/02
KM 85/50 W B Comfort
KM 85/50 W B Classic
1.351-105.0
1.351-104.0

KM 85/50 W B Comfort / KM 85/50 W B Classic
2
Betriebsanleitung 3
Ersatzteilliste 341
Operating Instructions 18
Spare Parts List 341
Notice d'utilisation 32
Liste des pièces de rechange 341
Istruzioni per l'uso 47
Elenco pezzi di ricambio 341
Gebruiksaanwi zing 62
Reserveonderdelenlijst 341
Instrucciones de servicio 77
Lista de piezas de req esto 341
Manual de instruções 92
Lista de pecas sobresselentes 341
Οδηγίες λειτουργίας 107
Áíôáëëáêôéêá 341
Driftsve ledning 124
Reservedelsliste 341
Bruksveiledning 138
Reservedels liste 341
Driftinstruktion 152
Reservdelslista 341
Käyttöoh e 166
Varaosalista 341
Üzemeltetési utasítás 180
Cserealkatrészlista 341
Návod k obsluze 194
Seznam náhradních dílů 341
Navodilo za upravl an e 208
Seznam nadomestnih delov 341
Instrukc a obslugi 222
Lista części zamiennych 341
Instructiunile de folosire 237
Listã de piese de schimb 341
¡ºletme k¢lavuzu 252
Yedek parça listesi 341
Cihaz¢n kullan¢m 10 y¢ld¢r.
Руководство по эксплуатации 266
Запасные части 341
Návod k prevádzke 282
Zoznam náhradných dielov 341
Upute za upotrebu 297
Popis rezervnih dijelova 341
Uputstvo za rukovan e 311
Spisak rezervnih d 341
Инструкция за работа 325
Списък на резервни части 341

Operating Instructions KM 85/50 W B Co mfort / KM 85/50 W B Classic English
18
Contents
For your own safety! 19
General notes 19
Risk of overturning on too
high gradients! 20
For our environment 20
Caution, danger to the
environment from engine
or hydraulic oil! 20
Intended use 20
Function description -
sweeping machine 20
Machine components 20
Before first operating 20
Unloading instructions 20
ests 20
Side broom installation 21
Before every operation 21
General notes 21
esting and maintenance
work 21
Commissioning 21
Start machine 21
Sweeping operation 22
Driving the
KM 85/50 W B Comfort
sweeper 22
Driving the
KM 85/50 W B Classic
sweeper 22
sage instructions 22
Safety instructions when
sweeping 22
Sweeping dry ground 23
Sweeping damp or wet
ground 23
Driving over obstacles 23
Stop machine 23
Clean filter 23
Empty the swept material
container 23
Cleaning and maintenance 24
Internal cleaning 24
External cleaning 24
Decommissioning 24
Transport 24
ransport instructions 24
Maintenance intervals 24
Elapsed-time meter 24
Maintenance by the
customer 24
Maintenance by the
customer service
department 25
Maintenance tasks 25
Preparations 25
Checking the safety switch 25
Safety notes 25
Check the engine oil level 25
op up engine oil 25
Change the engine oil 26
Check the air cleaner 26
Clean and change spark
plug 26
Empty fuel tank 26
Check the sweep roller 27
Replace the sweep roller 27
Checking and adjusting
sweeping area of the
sweeping roller 27
Replacing the side broom 28
Adjusting lowering of side
brush 28
Adjusting raising of coarse- dirt
flap 28
Adjusting and replacing
sealing strips 29
Replace the dust filter 29
Accessories 30
Fault instructions 30
Technical data 30
Unit data 30
Engine 30
Filter and suction system 30
Unit vibrations (ISO 5349) 30
Ambient conditions 30
EC conformity declaration 31

Operating Instructions KM 85/50 W B Co mfort / KM 85/50 W B Classic English
19
For your o n safety!
General notes
It is mandatory to read and
observe this prior to using the
appliance!
— Notify your sales outlet if during
unpacking you detect damage
that has occurred in transit.
 Read the operating instructions
of your appliance prior to putting
it into operation, especially the
safety information.
— he danger and caution signs
attached to the appliance give
important tips on its safe
operation.
— In addition to the instructions in
the operating instructions,
general safety- and accident
prevention-regulations from
lawgivers must be followed.
KM 85/50 W B Comfort
— o increase your safety, for work
on slopes with a gradient of more
than 2 % the accessory kit (ABS)
Additional Brake 2.640-301.0 n
must be installed.
KM 85/50 W B Classic
— When working on downward
slopes the permitted gradient is a
maximum of 2 %.
se
 Prior to utilization the appliance
and its working facilities must be
checked regarding their proper
condition and that they operate
safely. It must not be used if its
condition is not faultless.
— No modifications permitted on the
machine.
— Never absorb explosive liquids,
inflammable gases or undiluted
acids and solvents! his includes
petrol, paint thinner or fuel oil,
which can form explosive fumes
due to the swirling suction air, in
addition acetone, undiluted acids
and solvents, since they corrode
the materials used for the
appliance.
— Do not sweep up/absorb burning
or smouldering objects.
Only if expressely marked is this
appliance suitable for sucking up
health-hazardous dusts.
Comply with notices concerning
safety regulations given in the
operating instructions.
— Suitable only for the surfaces
listed in the operating
instructions.
— he appliance may be used on
only the areas cleared for its use
by the factory owner or a person
authorized by him.
— Keep clear of the danger area. Its
operation in explosion hazardous
locations is prohibited.
— he following applies generally:
Keep highly inflammable
materials away from the machine
(explosion/fire hazard).
Operation
— he rules, regulations and
stipulations applying to motor
vehicles must always be
observed.
— he operator must use the unit in
accordance with its intended
purpose. She must adapt her
mode of operation to the local
conditions and when working with
the appliance keep a look out for
third parties, especially children.
— he unit can reverse and drive
forwards at the same speed.
herefore, take care when pulling
back push handle for reversing.
(Applies only to
KM 85/50 W B Comfort)
— he appliance may only be used
by persons instructed in its
handling or who have proved
their capability of operating it and
who are expressely authorized to
use it.
— he unit must not be operated by
children and youths.
 he appliance must never be left
unattended as long as the motor
is running. he operator may not
leave the unit unless the engine
is shut down, the unit is secured
against inadvertent motions and,
if necessary, the parking brake is
applied.
— On slopes the angle of inclination
to the side and in the direction of
motion must not exceed the
value given in the operating
instructions.
Transport
 he motor must be turned off
when the appliance is
transported.
 o lock the parking brake.
 Secure the machine with guy
belts, ropes or chains.
 Immobilise the machine at the
wheels with chocks.
Maintenance
— Repairs may only be carried out
by approved customer service
centres or by technical personnel
trained in this field which are
familiar with all relevant safety
regulations.
— Industrially used appliances in
changing locations are subject to
the safety inspection according to
VDE 0701.
— he unit must be switched off
prior to cleaning the unit and
performing maintenance work on
it, or setting it to another
operation.
— Unless expressly permitted, the
unit may not be cleaned with
hose or high-pressure water jets
(danger of short-circuits or other
impairments).
Accessories and spare parts
— Only accessories and spare parts
cleared by the manufacturer may
be used. Genuine accessories
and spare parts guarantee that
the unit can be operated safely
and trouble-free.
— Use only the brushes provided
with the delivered unit or those
specified in the operating
instructions. Using other brushes
can impair safety.
Combustion engine
 he exhaust opening must not be
sealed.
 Do not bend over or touch the
exhaust opening (danger of
burns).
 Do not touch or grasp the drive
motor (danger of burns).
 Adequate ventilation and
extraction of exhaust must be
provided when operating the unit
indoors. (Danger of poisoning)
 Exhaust gases are toxic and
damaging to health; do not inhale
them.
 he engine takes approx. 3...4 s
to run down after being shut off. It
is imperative to keep away from
the area of the drive unit during
this period!
Observe the following when
refuelling:
 Only the fuel specified in the
operating instructions may be
used. An explosion hazard exists
with unsuitable fuels.
 he engine must be switched off.
 Do not fill-in fuel in closed rooms.
 Make sure that no fuel comes
into contact with hot surfaces.
 Do not use any burning or
smouldering objects during filling
up or carry them with you or bring
them in the vicinity of the
appliance (explosion hazard).
 Fill the tank at the most 1 cm
below the lower edge of the filler
neck, since the fuel expands in
heat.
 Wipe off spilled over fuel and
close tank cap tightly.

Operating Instructions KM 85/50 W B Co mfort / KM 85/50 W B Classic English
20
Risk of overturning on too
high gradients!
Danger!
The machine could topple over
when driving and turning on slopes.
KM 85/50 W B Comfort
— Drive only on slopes up to 18 %
in the travelling direction
— Drive only on slopes up to 18 %
transverse to the travelling
direction.
KM 85/50 W B Classic
— Drive only on slopes up to 2 % in
the travelling direction
— Drive only on slopes up to 2 %
transverse to the travelling
direction.
For our environment
Caution, danger to the
environment from eng ine
or hydraulic oil!
 ake spent oil after an oil change
to an oil collecting point or a
waste disposal company.
Intended use
— his sweeper is predominantly
intended for sweeping outside
surfaces.
— Ít complies with the "L"
application category for non-
health hazardous dusts.
— It is not intended for use on
public traffic routes
Suitable surfacings:
— Asphalt
— Paving stones
— Screed
— Concrete
Function description -
s eeping machine
he KM 85/50 W B works according
to the throw-over principle.
— he side brush (3) cleans corners
and edges of the sweeping
surface and transports the dirt in
the path of the main brush.
— he rotating main brush (4)
transports the dirt directly into the
debris container (5).
— he dust swirled up in the
container is separated by way of
the dust filter (1) and the filtered,
clean air removed by the suction
turbine (2).
Machine components
1. Push handle
2. Lever for coarse-dirt flap
3. Unit cover
4. Swivel caster with parking brake
5. Side brush
6. Debris container with transport
rollers
7. Filter shaker for the dust filter
8. Push handle lock (Applies only to
KM 85/50 W B Comfort)
1. Starter rope
2. Raising/lowering main brush
(Applies only to
KM 85/50 W B Comfort)
3. Operating hour counter (Applies
only to KM 85/50 W B Comfort)
4. Raise / lower side brushes
5. Multifunctional lever
Multifunctional lever
1. Setting "CHOKE" starting aid
2. "HARE" setting – operating speed
3. "0" setting – engine OFF
Before first operating
Unloading instruct ions
— he machine was secured on a
pallet with stretch belts or ropes
for safe transport. Proceed as
follows when unloading:
 Cut the plastic packing tape and
remove the film
 Knock away the blocks securing
the wheels and lift off the
machine from the pallet
Warning!
Do not use a fork lifter for unloading;
the machine can be damaged by it.
Tests
 Check the engine oil level
See maintenance tasks chapter for
description
 Check that the spark plug
connector is tightend securely
See maintenance tasks chapter for
description

Operating Instructions KM 85/50 W B Co mfort / KM 85/50 W B Classic English
21
Side broom insta llation
Warning!
Close fuel shut-off valve prior to
starting assembly work.
 Close the fuel feed line
— Rotary knob is transverse to fuel
hose
 Unlock push handle lock by
turning it anticlockwise (Applies
only to KM 85/50 W B Comfort)
Danger!
— he permissible maximum tank
filling when the sweeper is tilted
back onto the push handle is half!
 Remove the debris container
prior to tilting the sweeper (see
the section on "Emptying the
debris container"). For
KM 85/50 W B Comfort it is in
addition necessary to unlock the
push handle lock!
 ilt the machine back
 Push side brush onto shaft
 Fasten with screws (3 pieces)
 ilt the machine back upright
Before every operation
General notes
 Stand sweeper on a flat surface
 Shut-off the engine
 Set parking brakes on the front of
the swivel caster
 urn the push handle lock
clockwise
— he lock is blocked (Applies only
to KM 85/50 W B Comfort)
Testing and maintenance
ork
 Check the engine oil level. *
 Check fuel level in tank.
 Check the side brush.
 Check the sweep roller. *
 Clean filter. **
 Empty the swept material
container. **
* See chapter on maintenance work
** See chapter on shutting off the
machine
Commissioning
Note:
— Initial operation permissible only
if the unit‘s cover is closed!
— For the protection of the operator,
the unit is provided with a safety
switch. he engine only runs
when the unit cover is closed.
Start machine
 Open unit cover
 Open fuel supply
— Rotary knob is horizontal to fuel
hose
 Close unit cover
 Release parking brake
To lock push handle (idling)
(Applies only to
KM 85/50 W B Comfort)
 urn push handle lock clockwise;
lock is interlocked
— he unit can be moved manually
 Push the multi-functional lever
into the "Operating speed"
position

Operating Instructions KM 85/50 W B Co mfort / KM 85/50 W B Classic English
22
Note:
Set it to "CHOKE" in cold or wet
weather
Note:
Only when set to "Operating speed"
does the sweeper operate at its best
 Pull the starter rope slowly until
resistance is felt
 Pull the starter rope strongly
Note:
— he sweep roller and side broom
rotate
 Once the motor is running, move
the multi-function control stalk
from "CHOKE" to "Operating
speed"
S eeping operation
Lower side brush
 Release lever lock
Lower main brush
(Applies only to
KM 85/50 W B Comfort)
 Release lever lock
Driving the
KM 85/50 W B Comfort
s eeper
Danger!
he unit can reverse and drive
forwards at the same speed.
herefore, take care when pulling
back push handle for reversing.
 urn push handle lock
anticlockwise; the lock is
released
— Press push handle forward; drive
forward
— Pull push handle back; reverse.
Driving the
KM 85/50 W B Classic
s eeper
— Press push handle forward; drive
forward
Usage instructions
Safety instructions hen
s eeping
Warning!
Never sweep up packing straps,
wires or the like as this could
damage the sweeping mechani s m.
Danger!
Wh e n the coar se-dirt flap is open,
the main brush can hurl stones or
stone chips forwards.
Make sure that nobody, no animals
or objects are endangered.
Note:
he coarse-dirt flap must be briefly
raised for sweeping up largish
objects up to a height of 50 mm, for
example, drinks cans.
 Raise coarse-dirt flap
Lifted coarse-dirt flap
 Let down the coarse-dirt flap
Note:
An optimal cleaning effect can be
achieved only when the coarse-dirt
flap is completely lowered

Operating Instructions KM 85/50 W B Co mfort / KM 85/50 W B Classic English
23
S eeping dry ground
 For optimum cleaning effect,
match the driving speed to suit
the actual conditions.
 Regularly clean-down the filter
and empty the swept material
container during operation.
S eeping damp or e t
ground
 Open latch of debris container,
leave latch engaged
— Debris container is raised
approx. 8 cm.
Note:
he dust filter is protected from
moisture.
Driving over obstacles
Fixed obstacles of up to 30 mm in
height
 Slowly and carefully drive over
them in the forward direction
Fixed obstacles over 30 mm in
height
 Drive the unit over a ramp.
Stop machine
Switch-off engine
 Push the multi-functional lever
into the "0" position
 Raise the side broom
 Raise the sweep roller
(Applies only to
KM 85/50 W B Comfort)
Warning!
(Applies only to
KM 85/50 W B Comfort)
For shut off the side brushes and
the main brush must always be
raised (deformation hazard of main
brush or side brushes).
Warning!
(Applies only to
KM 85/50 W B Classic)
For parking, the side brush must
always be raised (otherwise danger
of distorting it).
 Lock the hand brake
 Close the fuel feed line
— Rotary knob is transverse to fuel
hose
Clean filter
 Move the handle of the filter
clean-down device to and fro
several times
Empty the s ept material
container
 De-dust the filter first before
opening emptying the debris
container.
(See chapter on de-dusting filter)
 Release latch
 Unhinge latch
 Pull out debris container.
 Empty the swept material
container.
 Push-in the swept material
container.
 Engage latch at debris container
 Close latch
Note:
he debris container is provided
with transport rollers

Operating Instructions KM 85/50 W B Co mfort / KM 85/50 W B Classic English
24
Cleaning and maintenance
 Stand sweeper on a flat surface
 Lock the hand brake
Internal cleaning
Danger!
Wear dust mask!
Wear safety goggles!
 Blow-out with compressed air
 Clean with a rag
External cleaning
Clean with a moist rag.
Note:
Do not use aggresive cleaning
agents!
Decommissioning
Please observe the following points
when the machine will not be used
for a lengthy period:
1.
 urn off the machine on a
protected and dry place
 Stand sweeper on a flat surface
 Lock the hand brake
 Safeguard the sweeping machine
from rolling away
 Lock the push handle (Applies
only to KM 85/50 W B Comfort)
2.
 Raise the main brush (Applies
only to KM 85/50 W B Comfort)
 Raise the side broom
3.
 Clean inside and outside of
sweeper
 Empty fuel tank
4.
 Pull the spark plug connector off
and screw the spark plug out
 Pour approx. 3 cm³ engine oil in
the spark-plug hole and crank
engine several times without
spark-plug
 Screw in the spark plug
Transport
Transport instructions
Warning!
When it is transported the machine
must be secured against dislocation
 Lock the hand brake
 Empty fuel tank
 Secure the machine with stretch
belts or ropes
 Secure the machine with wedges
on the wheels
 Lock the push handle (Applies
only to KM 85/50 W B Comfort)
Fastening areas
1. over the push handle
2. beneath the unit‘s cover
Note:
Observe markings for fastening
areas on base frame!
(chain symbols)
Maintenance inte rvals
Elapsed-time meter
(Applies only to
KM 85/50 W B Comfort)
Elapsed-time meter indicates
maintenance interval times.
Maintenance by the
customer
Warning!
For a new engine, an oil change is
necessary after the first month or
after the first 5 operating hours!
Daily maintenance
 Check the engine-oil level, top up
as requred
 Check air filter
 Check roller and side brush for
wear and trapped straps
 Check the function of all
operating controls
Maintenance every 25 hours
 Clean air filter
Maintenance every 50 operating
hours
 For oil change, filling quantity,
and type see echnical Data
 Check the air cleaner, replace if
greatly fouled
 Check the spark plug, clean it if
required
 Check operation of safety switch
 Check tension, wear and
operation of traction belts and
drive chain
 Check freedom of movement of
Bowden cables and moving parts
 Check sealing strips at dust filter
and operation of filter shaker
 Check setting and wear of
sealing strips in sweeping area
 Check sweeping pattern and
operation of main brush and side
brush
 Clean and check dust filter,
replace, if necessary
 Check roller and side brush for
wear and trapped straps
 Check operation of all operating
devices and indicator lights
Note:
Where maintenance is undertaken
by the customer, all service and
maintenance work must be carried
out by a qualified employee.
A Kärcher specialist dealer can be
consulted whenever support is
necessary.

Operating Instructions KM 85/50 W B Co mfort / KM 85/50 W B Classic English
25
Maintenance by the
customer service
department
(Comply with service manual)
Maintenance after the first month
or 5 operating hours
First inspection
Maintenance every 50 operating
hours
Maintenance every 100 operating
hours or half-yearly
Maintenance every 500 hours or
yearly
Note:
o safeguard warranty rights, during
the warranty period all service and
maintenance work must be
performed by an authorised Kärcher
after sales service.
Maintenance tasks
Preparations
 Stand sweeper on a flat surface
 Lock the hand brake
 Lock the push handle (Applies
only to KM 85/50 W B Comfort)
Checking the safety s itch
Warning!
— he engine must cut out if the
unit cover is opened while the
engine is running.
— he safety switch is defective if
the engine does not cut out.
 Inform After-Sales Service.
 Open unit cover
 Safeguard the unit cover from
shutting with the cover support
during work on the unit
Safety notes
Danger!
he engine takes approx. 3...4 s to
run down after being shut off.
It is imperative to keep away from
the area of the drive unit during this
period!
Danger!
Danger of burns!
 Allow the machine to adequately
cool down prior to all
maintenance and repair work
 Do not touch hot parts such as
drive motor and waste gas
system.
Caution, environment is
endangered by engine oil!
 ake spent oil after an oil change
to an oil collecting point or a
waste disposal company.
Danger!
— he permissible maximum tank
filling when the sweeper is tilted
back onto the push handle is half!
 Close the fuel feed line
 Remove the debris container
prior to tilting the sweeper (see
the section on "Emptying the
debris container"). For
KM 85/50 W B Comfort it is in
addition necessary to unlock the
push handle lock!
Check the engine oi l level
Note:
Allow at least 5 minutes to elapse
after engine standstill before
checking it
 urn out oil dip stock
 Wipe oil dip stick and screw it in
 Screw oil dip stick out again
— he oil level must be between the
"Min" and the "Max" marks
 op up the engine oil if the oil
level is below the "Min" mark
 Screw in oil dip stick and pull it
tight
Note:
Do not fill up beyond "Max"
Top up engine oil
 urn out oil dip stock
 Fill-in engine oil
Oil types: See technical data
 Screw in oil dip stick and pull it
tight
 Wait for at least 5 min.
 Recheck the engine-oil level

Operating Instructions KM 85/50 W B Co mfort / KM 85/50 W B Classic English
26
Change the engine oi l
 urn out oil dip stock
 Suck out engine oil with oil-
change pump 6.491-538.0
through the oil filler
 Fill-in engine oil.
— Oil grades and oil quantity: See
technical data
 Check the engine oil level
 Screw in oil dip stick and pull it
tight
Check the air cleaner
 Remove the cover
 ake out filter cartridge.
 Use a new filter cartridge.
— Filter fins point to cover
 Put on cover
Clean and change spark
plug
 Remove the spark plug
connector
 Screw the spark plug out and
clean it
 Screw in cleaned or new spark
plug and tighten it
 Plug in the spark plug connector.
Empty fuel tank
 Close the fuel feed line
— Rotary knob is transverse to fuel
hose
 Compress the fuel hose from the
tank to the fuel shut-off valve
 Disengage the clamp at the fuel
shut-off valve.
 Remove the fuel hose.
 Open tank cap
 Hold the fuel hose over a suitable
collecting basin and allow the fuel
to drain
 Replace the fuel hose onto the
neck of the fuel shut-off valve
and replace the hose clamp
when the tank is empty

Operating Instructions KM 85/50 W B Co mfort / KM 85/50 W B Classic English
27
Check the s eep roller
 Lock the hand brake
 Remove the swept material
container
 Remove tapes and string from
the sweep roller
 Insert the swept material
container
Replace the s eep roller
Replacement is nec es sary when the
main brush cannot be readju ste d
any more and sweeping efficiency
obviously deteriorates due to worn
bristles.
Warning!
Close fuel shut-off valve prior to
starting.
 Close the fuel feed line
— Rotary knob is transverse to fuel
hose
 Unlock push handle lock by
turning it anticlockwise (Applies
only to KM 85/50 W B Comfort)
Danger!
— he permissible maximum tank
filling when the sweeper is tilted
back onto the push handle is half!
 Remove the debris container
prior to tilting the sweeper (see
the section on "Emptying the
debris container"). For
KM 85/50 W B Comfort it is in
addition necessary to unlock the
push handle lock!
 ilt the machine back
 Unscrew the left and right
fastening screws
 Remove main brush downwards
 Pay attention to the position of
the bristle set when installing the
new main brush!
Note:
he bristle pile is structured to an
arrow which must point towards the
rear wheels.
 Insert new main brush and fasten
— Make sure that the position of the
rectangular clamping plate is
proper!
— It must overlap the main brush at
the top and bottom
 Insert the swept material
container
Checking and adjusting
s eeping area of the
s eeping rolle r
 Cover a level surface evenly with
dust
 Raise the sweeping machine on
the front and put it on the
prepared surface
 Lock the hand brake
 Run the main brush for
approx. 15-30 s
 Raise the sweeping machine on
the front and move it to the side
he form of the sweeping pattern
forms a regular rectangle, that is
between 30 - 40 mm wide.
Note:
If the sweeping pattern is uneven it
can be corrected by readjusting the
sweeping pattern width!

Operating Instructions KM 85/50 W B Co mfort / KM 85/50 W B Classic English
28
Danger!
For all work in this area care must
be taken to ensure that the exhaust
pipe has cooled down.
Burns can be caused by touching it.
Setting sweeping pattern width of
KM 85/50 W B Comfort
Note:
he bowden cable must be
readjusted if the sweeping pattern is
insufficient and the bowden cable is
tight when the main brush is in its
lowered position.
 Set sweeping pattern at the
bowden cable
 Check the sweep mirror again
Setting the sweeping pattern
width of KM 85/50 W B Classic
 urn the rotary knob (1)
— urning it counterclockwise: the
sweeping pattern is increased
— urning it clockwise: the
sweeping pattern is reduced
 Check the sweep mirror again
Replacing the side broom
Replacing it is necessary when the
sweeping effect visibly deteriorates
due to wear of the bristles.
Warning!
Close fuel shut-off valve prior to
starting assembly work.
 Close the fuel feed line
— Rotary knob is transverse to fuel
hose
 Unlock push handle lock by
turning it anticlockwise (Applies
only to KM 85/50 W B Comfort)
Danger!
— he permissible maximum tank
filling when the sweeper is tilted
back onto the push handle is half!
 Remove the debris container
prior to tilting the sweeper (see
the section on "Emptying the
debris container"). For
KM 85/50 W B Comfort it is in
addition necessary to unlock the
push handle lock!
 ilt the machine back
 Undo screws (3 pieces) at
underside of the side brush
 ake-off the side broom
 Slide new side brush onto shaft
 Fasten with screws (3 pieces)
 ilt the machine back upright
Adjusting lo ering of side
brush
Readjustment is nec es sary when
the sweeping efficiency of the side
brush deteriorates due to worn
bristles.
 Unscrew the locking nut
 Readjust the setscrew
 ighten the locking nut
Adjusting raising of coarse-
dirt flap
Readjustment is necessary when it
is not posible to sufficiently raise or
lower the coarse-dirt flap.
 Unscrew the locking nut
 Readjust the setscrew
 ighten the locking nut

Operating Instructions KM 85/50 W B Co mfort / KM 85/50 W B Classic English
29
Adjusting and replacing
sealing strips
When the sweeping effect
diminishes due to wear of the
sealing strips they must be
readjusted or replaced
Warning!
Close fuel shut-off valve prior to
starting assembly work.
 Close the fuel feed line
— Rotary knob is transverse to fuel
hose
 Unlock push handle lock by
turning it anticlockwise (Applies
only to KM 85/50 W B Comfort)
Danger!
— he permissible maximum tank
filling when the sweeper is tilted
back onto the push handle is half!
 Remove the debris container
prior to tilting the sweeper (see
the section on "Emptying the
debris container"). For
KM 85/50 W B Comfort it is in
addition necessary to unlock the
push handle lock!
 ilt the machine back
Front sealing strip
 Loosen the fastening screws of
the sealing strip
 Readjust the sealing strip
downwards by relocating it in the
elongated hole
 ighten the fastening screws of
the sealing strip
 Set the vacuum sweeper upright
and push it slightly forwards
— he clearance of the front sealing
strip to the floor must be set so
that its whole width folds back
with a lag of 10 - 15 mm
 Repeat the adjustment as
required
Note:
— he sealing strip must be
replaced if, due to being too
worn, the clearance of the front
sealing strip to the floor can no
longer be adjusted
 Unscrew the fastening screws
and replace the whole sealing
strip
Rear sealing strip
 Remove the swept material
container
 Undo screws of sealing strip at
the debris container
 Replace sealing strip
 ighten screws of sealing strip
Side sealing strips
 Loosen the fastening of the
sealing strip
 Replace sealing strip
 o adjust clearance to floor push
a 1 - 2 mm thick spacer under it
 Align the sealing strip
 ighten the fastenings of the
sealing strip
Replace the dust filter
Danger!
 Empty and remove debris
container prior to starting to
replace the dust filter
 Wear a dust protection mask
when working on the filter system
 Observe the safety precautions
for handling fine dust
 Lock the hand brake
 Remove safety cotter pin of the
shaker rod
 Pull out rod.
 Loosen fastening screws.
 Remove frame
 Replace the dust filter
Note:
Make sure when mounting the new
filter that the lamella are not
damaged

Operating Instructions KM 85/50 W B Co mfort / KM 85/50 W B Classic English
30
Accessories
Side brush 6.905-626
Provided with standard bristles for
indoor and outdoor surfaces.
Soft side broom 6.906-132
For fine dust on indoor surfaces,
resistant to moisture.
Hard side broom 6.905-625
For removing stubborn external dirt,
damp-proof.
Profi main brush 6.906-508
KM 85/50 W B Comfort
For professional applications,
especially wear-resistant.
Standard main brush 6.906-509
KM 85/50 W B Classic
Wearproof and wetproof.
Universal bristles for indoor and
outdoor cleaning.
Dust filter 5.731-585
Wetproof, washable. Filter
efficiency > 99,9 %, corresponds to
category C of ZH 1/487 of BIA.
Fault instructions
Machine will not start
 Close unit cover
 Refuel
 Check and clean spark plugs,
replace if necessary
 Open the fuel tap
 Notify the Kärcher service station
Motor running but machine not
moving
 Check belt, friction wheel and
chain
 Release push handle lock
(Applies only to
KM 85/50 W B Comfort)
 Notify the Kärcher service station
Machine remains stationary on
inclines
 Select flatter route
 Notify the Kärcher service station
Machine not sweeping properly
 Check the main brush and the
side brushes
 Check belt for tension and
operation; replace, if necessary
 Re-adjust main brush
 Replace the sweep roller
 Notify the Kärcher service station
Machine making dust
 De-dust or replace the dust filter
 Empty debris container
 Adjust or replace the sealing strip
 Replace seal at debris container
and main brush box
Poor sweeping around the edges
 Readjust lowering of the side
brush
 Replacing the side broom
 Notify the Kärcher service station
Raising the side brush does not
function
 Check the Bowden cable of the
raising mechanism
 Notify the Kärcher service station
Technical data
Unit data
Length x width x height
1355 x 910 x 1155 mm
Weight
126 kg
Sweeping speed
4,5 km/h
KM 85/50 W B Comfort
Climbing capacity, max.
18% with the additional
brake 2.640-301.0
approved up to a max. of 2%
without the additional brake
KM 85/50 W B Classic
Climbing ability limited to
max. 2 %
Main brush diameter
250 mm
Side brush diameter
410 mm
Area performance
3825 m²/h
Maximum operating time per full
fuel tank
1,5 h
Working width without side brush
610 mm
Working width with side brush
850 mm
Debris container volume
50 litres
Degree of protection
IPX 3 drip-proof
Engine
Type
Honda, 1-cyl. four-stroke engine
Displacement
135 cm³
Operating speed
2500 ±100 1/min
Power output, max.
3,3 kW/4,5 PS
Fuel, premium (unleaded)
ank capacity 1,1 l
Engine oil, SF, SG
0,55 l
SAE 10W30
Spark plug, NGK
BPR 6 ES
Filter and suct ion system
Dust filter filtering surface
2,3 m²
Filter application category for
non-health hazardous dusts
L
Nominal vacuum intake system
4 mbar
Intake system nominal volumetric
flow
45 l/s
Unit vibrations (ISO 5349)
pper limbs
2,9 m/s²
Ambient conditions
Temperature
-5 - +40°C
Air humidity, non-dew developing
0-90%
Noise emission
Sound level
(EN 60704-1) 75 dB(A)
Guaranteed noise
level (2000/14/EU) 93 dB(A)

Operating Instructions KM 85/50 W B Co mfort / KM 85/50 W B Classic English
31
EC conformity declaration
We hereby declare that the machine
specified below as the marketed
desigh, the machine specified below
complies with the relevant
fundamental safety and health
requirements of the EC directives
listed below.
Modification of the machine without
our approval invalidates this
declaration.
Product: Sweeper
ype: 1.351-xxx
Relevant EC directives
EC machine directive (98/37/EC)
EC directive on electromagnetic
compatability (89/336/EEC)
amended by 91/263/EEC,
92/31/EEC, 93/68/EEC
EC guideline on noise emissions
(2000/14/EU)
Applied harmonised standards
DIN EN 60335-1
DIN EN 60335-2-72
DIN EN 50082-2:1994
Applied national standards
CISPR 12
Applied conformity valuation
method
Appendix V
Measured noise level:
90 dB(A)
Guaranteed noise level:
93 dB(A)
Internal measures ensure that the in
series produced units always
comply with the requirements of
current EC directives and applied
standards. he signatories act for
and in authority of management.
5.957-708 (08/02)
Alfred Kärcher Limited Partnership.
Registered office: Winnenden.
Registration court: Waiblingen,
HRA 169.
Personally liable partner. Kärcher
Reinigungstechnik GmbH.
Registered office Winnenden, 2404
Waiblingen Company Register, HRB
Managing directors:
Dr. Bernhard Graf, Hartmut Jenner,
Georg Metz, homas Schöbinger
Alfred Kärcher GmbH & Co.
Cleaning Systems
Alfred-Kärcher-Strasse 28-40
P.O.Box 160
D-71349 Winnenden
Phone: ++49 7195 14-0
Fax :++49 7195 14-2212

KM 85/50 W B Comfort / KM 85/50 W B Classic
341