Karcher Balayeuse KM 90-60 R G: Shutdown Maintenance and care

     

- 

7

or unloading the machine, it may only be 

operated on gradients of max. 18%.



Danger

Risk of injury and damage! Note the weight 

of the appliance in case of storage.

If the sweeper is going to be out of service 

for a longer time period, observe the follow-

ing points:



Park the sweeper on an even surface.



Fill fuel tank and close fuel cock.



Change engine oil.



Set programme switch to step 1 (driv-

ing). The roller brush and side brushes 

are raised to prevent the bristles being 

damaged.



Turn ignition key to "0" and remove it.



Unscrew spark plugs and pour approx. 

3 cm 

3

 of oil into the spark plug holes. 

Crank the engine several times before 

replacing the spark plug. Screw in the 

spark plug.



Lock the sweeper to ensure that it does 

not roll off. 



Clean the inside and outside of the 

sweeper.



Park the machine in a safe and dry 

place.



Disconnect battery.



Charge battery approx. every 2 months.



First switch off the appliance, remove 

the key and disconnect the battery be-

fore performing any cleaning or mainte-

nance tasks on the appliance, replacing 

parts or switching over to another func-

tion.



Always disconnect the battery when 

working on the electrics.

– Maintenance work may only be carried 

out by approved customer service out-

lets or experts in this field who are famil-

iar with the respective safety 

regulations. 

– Mobile appliances used for commercial 

purposes are subject to safety inspec-

tions according to VDE 0701. 

– Use only roller brushes/ side-brushes 

that are provided with the appliance or 

specified in the Operations Manual.  

The use of other roller brushes/ side-

brushes can affect the safety of the ap-

pliance. 

Caution

Risk of damage! Do not clean the appliance 

with a water hose or high-pressure water 

jet (danger of short circuits or other dam-

age).



Danger

Risk of injury! Wear dust mask and protec-

tive goggles.



Open the device hood.



Clean machine with a cloth.



Blow through machine with com-

pressed air.



Close cover.



Clean the machine with a damp cloth 

which has been soaked in mild deter-

gent.

Note:

 Do not use aggressive cleaning 

agents.

Note:

 The elapsed-time counter shows the 

timing of the maintenance intervals.

Daily maintenance:



Check engine oil level.



Check axle drive oil level.



Check tyre pressure.



Check function of all operator control el-

ements.

Weekly maintenance:



Check petrol pipes for leaks.



Check air filter.



Check for smooth running of the Bow-

den cables and the moveable parts



Check the sealing strips in the sweep-

ing area for position and wear.



Check dust filter and clean filter box, if 

required.

Maintenance to be carried out every 100 

operating hours:



Check petrol pipes for leaks.



Change engine oil (initial change after 

20 operating hours).



Check spark plug.



Check function of seat contact switch.



Check battery acid level.



Check tension, wear and function of 

drive belts (V-belt and circular belt).



Check the 4 rubber buffers on the drive 

axle.

Maintenance following wear:



Replace sealing strips.



Replace roller brush.



Replace side brush.

Note:

 For description, see section on Main-

tenance work.

Note:

Where maintenance is carried out by 

the customer, all service and maintenance 

work must be undertaken by a qualified 

specialist. If required, a specialised Archer 

dealer may be contacted at any time.

Maintenance to be carried out after 20 op-

erating hours:



Carry out initial inspection.

Maintenance to be carried out every 100 

operating hours

Maintenance to be carried out every 200 

operating hours

Maintenance to be carried out every 300 

operating hours

Note:

 In order to safeguard warranty 

claims, all service and maintenance work 

during the warranty period must be carried 

out by the authorised Kärcher Customer 

Service in accordance with the mainte-

nance booklet.

Preparation:



Park the sweeper on an even surface.



Turn ignition key to "0" and remove it.



Danger

Risk of injury!

The engine requires approx. 3-4 seconds 

to come to a standstill once it has been 

switched off. During this time, stay well 

clear of the working area.

– Allow the machine sufficient time to cool 

down before carrying out any mainte-

nance and repair work.

– Do not touch any hot parts, such as the 

drive motor and exhaust system.

Please observe the following warning notes 

when handling batteries:

Storage

Shutdown Maintenance and care

General notes

Cleaning

Cleaning the inside of the machine

External cleaning of the appliance

Maintenance intervals

Maintenance by the customer

Maintenance by Customer Service

Maintenance Works

General notes on safety

Please do not release engine 

oil, fuel oil, diesel and petrol 

into the environment Protect 

the ground and dispose of 

used oil in an environmentally-

clean manner.

Safety notes regarding the batteries

Observe the directions on the 

battery, in the instructions for 

use and in the vehicle operat-

ing instructions!

Wear an eye shield!

Keep away children from acid 

and batteries!

Risk of explosion!

Fire, sparks, open light, and 

smoking not allowed!

Danger of causticization!

First aid!

23 EN

     - 

8 

Danger

Risk of explosion! Do not put tools or similar 

on the battery, i.e. on the terminal poles 

and cell connectors.



Danger

Risk of injury! Ensure that wounds never 

come into contact with lead. Always clean 

your hands after having worked with batter-

ies.



Danger

Risk of fire and explosion!

–

Smoking and naked flames are strictly 

prohibited. 

–

Rooms where batteries are charged 

must have good ventilation because 

highly explosive gas is emitted during 

charging. 



Danger

Danger of causticization!

–

Rinse thoroughly with lots of clear water 

if acid gets into the eye or comes in con-

tact with the skin.

–

Then consult a doctor immediately.

–

Wash off the acid If it comes in contact 

with the clothes.

You must fill the enclosed battery with the 

acid provided before you install it.



Danger

Risk of explosion. Ensure proper ventila-

tion.

Risk of injury, risk of explosion. Observe 

the safety instructions for handling batter-

ies in the separate operating instructions of 

the unit.

1 Cell cap

2 Hose nipple

3 Battery overflow hose



Open the front panel.



Remove the battery overflow hose.



Remove the battery from its holder.



Unscrew the cell caps.



Fill the enclosed acid into the cells up to 

„UPPER LEVEL“ mark.



Screw in the cell caps.



Remove front panel.



Insert battery in battery mount.



Connect pole terminal (red cable) to 

positive pole (+).



Connect pole terminal to negative pole 

(-).

Note:

 Check that the battery pole and pole 

terminals are adequately protected with 

pole grease.



Danger

Risk of injury! Comply with safety regula-

tions on the handling of batteries. Observe 

the directions provided by the manufacturer 

of the charger.



Danger

Charge the battery only with an appropriate 

charger.



Disconnect battery.



Unscrew all cell caps.



Connect positive terminal cable from 

the charger to the positive pole connec-

tion on the battery.



Connect negative terminal cable from 

the charger to the negative pole con-

nection on the battery.



Plug in mains connector and switch on 

charger.

Note:

 When the battery is charged, first re-

move the charger from the mains and then 

disconnect it from the battery.



Screw in cell caps.



Remove front panel.



Disconnect pole terminal to negative 

pole (-).



Disconnect pole terminal to positive 

pole (-).



Remove the battery from the battery 

holder.



Dispose of the used battery according 

to the local provisions.

Caution

Regularly check the fluid level in acid-filled 

batteries.

– The acid in a fully charged battery has a 

specific weight of 1.28 kg/l at a temper-

ature of 20 °C. 

– The acid in a partially discharged bat-

tery has a specific weight between 1.00 

and 1.28 kg/l. 

– The specific weight of the acid must be 

uniform in all cells.



Unscrew all cell caps.



Take a sample from each cell using the 

acid tester.



Put the acid sample back into the same 

cell. 



Where fluid level is too low, top up cells 

to the mark provided with distilled wa-

ter.



Charge battery.



Screw in cell caps.



Park the sweeper on an even surface.



Connect air pressure testing device to 

tyre valve.



Check air pressure and adjust if re-

quired.



Set air pressure for the front tyre to 4 

bar.



Set air pressure for the rear tyres to 4 

bar.



Danger

Risk of injury!



Park the sweeper on an even surface.



Remove ignition key.



When carrying out repairs on public 

highways, wear warning clothing when 

working close to passing traffic.



Check stability of ground. Also secure 

the machine with wheel chock(s) to pre-

vent it rolling away.

Check tyres



Check tyre contact face for foreign ob-

jects.



Remove objects found.



Use suitable, commercially available 

materials to carry out tyre repairs.

Note:

Observe the manufacturer's recom-

mendations. The journey may be resumed 

providing that the directions supplied by the 

product manufacturer have been observed. 

The tyre/wheel change should nonetheless 

be carried out as soon as possible.



Raise slightly the waste container on 

the appropriate side and pull it out.



Position vehicle jack at the appropriate 

mounting point for the front or rear 

wheel.



Raise machine using vehicle jack.



Remove the fastening disc (only rear 

wheel). 



Remove wheel.



Mount spare wheel.



Install the fastening disc (only rear 

wheel). 



Lower machine using vehicle jack.



Push in the waste container and lock it.

Note:

 Use a suitable commercially availa-

ble vehicle jack.

Warning note!

Disposal!

Do not throw the battery in the 

dustbin!

Fill battery with battery acid

1

2

3

Installing and connecting the battery

Charging battery

Remove the battery

Check fluid level in the battery and ad-

just if required

Check the tyre pressure

Replacing wheel

24 EN

     

- 

9 

Danger

Risk of burns!



Allow engine to cool down.



Wait for at least 5 minutes after switch-

ing off the engine before checking the 

engine oil fill level.



Open the device hood.



Unscrew and withdraw oil dipstick.



Wipe off oil dipstick and screw it in.



Unscrew and withdraw oil dipstick.



Read the value of the oil level.

– The oil level must lie between “MIN“ 

and “MAX“ marking.

– Add motor oil if the oil level is below the 

"MIN" marking.

– Do not fill oil above the "MAX" marking.



Fill motor oil into the oil fill neck.

Oil grade: see Technical Data



Reinsert the oil dipstick.



Wait at least 5 minutes.



Check engine oil level.



Danger

Risk of burns due to hot oil!



Allow engine to cool down.



Open the device hood.



Unscrew and withdraw oil dipstick.



Draw off engine oil via the oil filler neck 

using 6.491-538 oil-change pump.



Fill motor oil into the oil fill neck.

Oil grade: see Technical Data



Reinsert the oil dipstick.



Wait at least 5 minutes.



Check engine oil level.



Remove covering lid.



Take out the filter inlay.



Insert a new filter insert.

The filter lamella must point into the di-

rection of the locking cap.



Attach the locking cap.



Remove spark-plug connector.



Unscrew and clean spark plug.



Screw in cleaned or new spark plug.



Push on spark-plug connector.



Open the device hood.



Close the fuel supply.

Turn the rotating knob perpendicular to 

the fuel tap.



Open fuel filler cap.



Draw off fuel using suitable pump.



(1) Checking fill level



Open the device hood.



Locking screw of the balancing contain-

er.



Check the fill level in the header tank.

Note:

 The oil level must be 3 mm above the 

container base.

Caution

This inspection may only be carried out 

when the engine is cold.



(2) Adjusting fill level



Locking screw of the balancing contain-

er.



If required, top up oil carefully.



Close container.

Oil grade: see Technical Data



Check tyre pressure.



The side-brushes lift up.



Drive sweeper on to a smooth, even 

surface covered with a visible layer of 

dust or chalk.



Lower side-brushes and allow them to 

briefly rotate.



The side-brushes lift up.



Drive machine backwards.



Park the sweeper on an even surface.



Check sweeping mirror.

The width of the sweeping track should lie 

between 40-50 mm.

Note:

The side brush floating mounting ad-

justs the sweeping track as the bristles 

wear down. The side brush must be re-

placed if it becomes too worn.



Park the sweeper on an even surface.



Set programme switch to step 1 (driv-

ing). Side brushes lift up.



Turn ignition key to "0" and remove it.



Loosen 3 fastening screws on the un-

derside.



Clip side brush on to driver and screw 

on.



Park the sweeper on an even surface.



Set programme switch to step 1 (driv-

ing). Roller brush is raised.



Turn ignition key to "0" and remove it.



Secure the machine with wheel 

chock(s) to prevent it from rolling away.



Remove belts or cords from roller 

brush.

Replacement is due if a visible deteriora-

tion in sweeping performance caused by 

bristle wear is evident.



Park the sweeper on an even surface.



Set programme switch to step 1 (driv-

ing). Roller brush is raised.



Turn ignition key to "0" and remove it.



Secure the machine with wheel 

chock(s) to prevent it from rolling away.



Raise slightly the waste container on 

the left side and pull it out.



Loosen the fastening screw on the left 

side-panel.



Remove side panel.

Check engine oil level and top up, if re-

quired

Change the engine oil

Change the air filter

Clean or replace the spark plug

Empty fuel tank

Check and adjust fill level of hydraulic 

oil

Checking the sweeping mirror of the 

side-brushes

Replacing side brush

Checking roller brush

Replacing roller brush

25 EN

     - 

10



Hook the draw spring out.

A Fastening screw of the under-pressure 

can

B Fastening nut of the bulk waste flap

C Screw of the roller brush crank



Unscrew the fastening screws of the 

vacuum socket and release the lever.



Turn the fastening nut of the bulk waste 

flap and unhook the bulk waste flap.



Unscrew and withdraw bolt on the roller 

brush swinging arm.



Push the roller brush cover backwards 

and remove it. 



Pull out roller brush.

Installation position of roller brush in direc-

tion of travel



Push new roller brush into the roller 

brush housing and onto the drive pin.

Note:

 When installing the new roller brush, 

ensure correct positioning of the bristle as-

sembly.



Position roller brush cover.



Fit the fastening screws and nuts. 



Hook the draw spring in.



Screw on side panel.



Push in the waste containers on both 

the sides and lock them.



Set programme switch to step 1 (driv-

ing). The side brush and roller brush are 

raised.



Drive sweeper on to a smooth, even 

surface covered with a visible layer of 

dust or chalk.



Lower roller brush and allow it to briefly 

rotate.



Raise roller brush.



Press pedal which raises bulk waste 

flap and keep pressed.



Drive machine backwards.

The sweeping track should have an even 

rectangular shape which is between 50 and 

70 mm wide.

Note:

The side brush floating mounting of 

the roller brush adjusts the sweeping track 

as the bristles wear down. The roller brush 

must be replaced if it becomes too worn.



Park the sweeper on an even surface.



Set programme switch to step 1 (driv-

ing). Roller brush is raised.



Turn ignition key to "0" and remove it.



Secure the machine with wheel 

chock(s) to prevent it from rolling away.



Raise slightly the waste containers on 

both sides and pull them out.



Open the fastening screws of the side 

panels on both sides.



Remove side panels.



Front sealing strip



Loosen retaining nuts for the front seal-

ing strip (1) slightly (to replace, un-

screw).



Screw on new sealing strip without fully 

tightening the nuts.



Adjust sealing strip.



Set the distance between the sealing 

strip and the floor so that the bottom 

edge trails behind at a distance of be-

tween 10-15 mm.



Tighten nuts.



Rubber strip



If worn, replace.



Unscrew retaining nuts for the rubber 

strip (2).



Screw on new rubber strip.



Rear sealing strip



Set the distance between the sealing 

strip and the floor so that the bottom 

edge trails behind at a distance of be-

tween 5 and 10 mm.



If worn, replace.



Unscrew retaining nuts for rear sealing 

strip (3).



Screw on new sealing strip.



Side sealing strips



Slightly loosen retaining nuts for the 

side sealing strip (to replace, unscrew).



Screw on new sealing strip without fully 

tightening the nuts.



To set the floor clearance, insert a 

sheet with a thickness of between 1 and 

3 mm under the sealing strip.



Adjust sealing strip.



Tighten nuts.



Screw on side panels.



Push in the waste containers on both 

the sides and lock them.

몇

Warning

Empty waste container before replacing 

dust filter. Wear a dust mask when working 

around the dust filter. Observe safety regu-

lations on the handling of fine particulate 

material.



Open the device hood.



Loosen the fastening screws.



Press the filter holder upwards and re-

move it.



Remove the lamella filter.



Insert new filter.

Check the sweeping mirror of the 

sweeping roller

Adjusting and replacing sealing strips

Replacing dust filter

26 EN

     

- 

11



Make sure driver engages with holes on 

drive side.



Insert the filter holder and press down-

wards.



Tighten the fastening screws. 

Note:

 Make sure when installing the new 

filter that the fins are not damaged.



Lift filter case seal out of groove in the 

cover.



Insert new seal.



Danger

The engine requires approx. 3-4 seconds 

to come to a standstill once it has been 

switched off. During this time, stay well 

clear of the working area.



Turn ignition key to "0" and remove it.



Open the device hood.



Check tension of circular belt of the 

side-brush; also check for wear or dam-

age.



Check tension, wear and damages on 

the V-belt of the sweep roller drive.



Tighten the V-belt at the screw if neces-

sary.



Check tension, wear and damages on 

the V-belt of the sweep roller drive.

A Exhaust hose

B Fastening screws

C Tail panel



Loosen exhaust hose.



Unscrew locking screws.



Remove the tail panel.



Check tension of V-belt of axle drives; 

also check for wear or damage.



Check tension of rib belt of generator; 

also check for wear or damage.



Check hoses of suction blower for ab-

sence of leakness.

The drive control/electronic system is in-

stalled behind the front panel. To replace a 

fuse, the front panel must be removed.



Loosen the front panel screws.

Note:

The assignment of fuses is indicated 

on the inside of the panel. Only use fuses 

with identical safety ratings.



Replace defective fuses.



Replace front panel.

Replacing filter case seal

Checking drive belt

Check suction blower

Replacing fuses of drive control/ elec-

tronic system

27 EN