Preface; Safety Instructions; Safety Devices; Technical Features - Kärcher B80W Service Manual

1

Preface

Good service work requires extensive and practice-oriented train-
ing as well as well-structured training materials.
Hence we offer regular basic and advanced training programmes
covering the entire product range for all service engineers.
In addition to this, we also prepare service manuals for important
appliances - these can be initially used as instruction guides and
later on as reference guides.
Apart from this, we also regular information about product en-
hancements and their servicing.
If you should require supplements, have corrections or questions
regarding this document, please address these citing the following
subject to:
international-service@de.kaercher.com
The responsible product specialist will take care of your issue.
Copying and duplication of texts and diagrams as well as
third-party access to this information is permitted only with
the explicit permission of the company:
Alfred Kärcher GmbH & Co. KG
P O Box 160
D - 71349 Winnenden
www.kaercher.com
2

Safety instructions

2.1

Safety Devices

Safety devices serve to protect the user and must not be rendered
inoperational or their functions bypassed.
2.1.1 Emergency-stop button
To put all functions out of operation immediately.
2.2 Hazard levels
Note
Indicates useful tips and important information about the product.
3

Technical Features

The appliance is used for the wet cleaning of level floors. It can be
easily adjusted to suit the required cleaning task by adjusting the
water quantity, the contact pressure of the brushes and the waste
water suction.
A working width of 650 mm and a capacity of 80 l each of the fresh
and dirt water reservoirs enable an effective cleaning even when
the machine is used for long duration.
The device is self-moving; the drive motor is powered by four bat-
teries.
The batteries can be charged using a charger connected to a 230
V socket.
A charger is already integrated in the "Pack" model.
3.1

Drive

– Voltage supplied by 4 maintenance-free, 6 volt batteries (180
Ah).
– Two front wheels driven by DC motor with differential drive.
– 2 rear swivel casters.
4
English 5.906-468.0 Rev. 00 (02/09)
Subject: Fall 106533
3.2

Brush system

– Brush head with 2 brush rollers (BR model) or 2 disc brushes
(BD model).
– Brush speed adjustable in three steps (FACT).
– Brush head is lowered by means of pedal, brush drive is
switched on simultaneously. By pressing the pedal down, the
brush head is lifted and the brush drive is switched off. If the
travel drive is shut off when the appliance is operated (brush
head lowered and brushes are rotating), the brushes will run
another 2 to 5 seconds until they are switched off automatically
(trailing time adjustable).
– The brush contact pressure can be adjusted at the lever.
– Brush replacement is possible without tools.
3.3

Water System

– Install fresh water reservoir and waste water reservoir in appli-
ance (tank-in-tank system).
– The electrical swimmer in the wastewater reservoir shuts off
the suction turbine once the maxium fill level is reached (time
delay approx. 5 seconds).
– Mechanical swimmer closes the suction opening in the lid, if the
wastewater foams excessively.
– Water pump to feed fresh water to the brush head.
– The fresh water amount can be regulated with a dosing valve
according to the contamination level.
– When the appliance stands still, a water stop valve interrupts
the supply flow of fresh water to the brush head.
– Detergent dosing via detergent dosing pump (DOSE).
3.4

Suction system

– The vacuum bar is lowered with a lever, the suction turbine is
switched on simultaneously. If the vacuum bar is raised, the
suction turbine will switch back off (trailing time approx. 10 sec-
onds).
– Longlife suction turbine, without carbon brushes.
– Operation possible with straight and bent vacuum bar.
– The vacuum bar can be adjusted in horizontal position and tilt-
ed without tools.
– The vacuum lips can be replaced without the use of tools.
3.5

Electrical system

– The electrical assemblies are located easily accessible behind
the charger and below the operating panel.
– The appliance comes to a sudden halt when you press the
emergency stop button.
– Standby function after 30 minutes break in operation.