Control Assignments For A Vacuum Sweeper With A 3-Brush Sweeping System; Using The Weed Brush - Kärcher MC 250 Betriebsanleitung

Right hydraulic connections
1
Left hydraulic connections
2
Power supply
3
Water connections
4
14.Connect the hydraulic hoses, noting the connection col-
ours of the hydraulic hoses.
15.Connect (plug in) water hoses.
16.Insert the plug of the brush system electrical connection
into the power supply.
17.Remove both locking plates on the front brush arm and
front brush.
18.Individually raise and extend the side brushes.
19.Move the changing carriage out of the way.
20.Lower the waste container completely.
2.3.5 Control assignments for a vacuum sweeper with
a 3-brush sweeping system
Note
The indicators in the switches light when the switches are
switched on.
Left joystick for controlling the 3rd brush (front brush)
1
Joystick forwards: 3rd brush lowers and switches on
–
Note
Increase the contact pressure in the case of heavy soiling
Joystick backwards: 3rd brush raises and switches off
–
Joystick to the left/right: 3rd brush moves to the left/
–
right
Right joystick for controlling the sweeping brush
2
Joystick forwards: Lower the brush arms simultane-
–
ously and switch on the sweeping brush
38
Joystick backwards: Raise the brush arms simultane-
–
ously and switch off the sweeping brush
Joystick to the left/right: Pivot the brush arms simulta-
–
neously
Raise/lower suction mouth
3
Note
Press the button for longer than 2 seconds, the suction
mouth is in the floating position
Hydraulic system on/off
4
Reversal of rotation direction for 3rd brush
5
When activated: Adjust inclination of the 3rd brush with
6
the right joystick
Water circulation function on/off (recycling water)
7
Note
Press for longer than 2 seconds, dosage of recycling water
adjustable
Suction fan on/off
8
ECO function
9
Water pump on/off
10
(A) 3rd brush rotary speed selection (front brush)
(B) Sweeping brush rotary speed selection
(C) Engine speed
Press to adjust the values
Note
The suction performance depends on the set engine
speed.
● 1400 rpm light waste
● 1550 rpm normal soiling
● 1700 rpm strong, heavy soiling
● 2000 rpm strong, heavy soiling (weed brush)
(D) Pressure relief of sweeping brush
(E) Pressure relief of 3rd brush (front brush)
(F) Save button
Press to save adjusted values or programs
(G) Rotary knob
Press to change the adjusted values

2.3.6 Using the weed brush

The front brush must be secured in the desired position
when using the device as a weed brush.
Three positions are possible.
Travel direction
1
Right position
2
Front position
3
Left position
4
1. Secure the desired working position with bolts and
spring pins. See chapter 2.3.7 Transport lock.
2. Press the Change of rotation direction button when
working in the Left position.
English