Control Assignments For A Vacuum Sweeper With A 3-Brush Sweeping System; Using The Weed Brush; Transport Lock; Care Work - Kärcher MC 250 Implements Manual

1.4.5 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 operating 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 together and
–
switch the sweeping brushes on
Joystick backwards: Raise the brush arms together
–
and switch the sweeping brushes off
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
3rd brush direction of rotation reversal
5
When activated: Inclination adjustment of the 3rd brush
6
with 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) Select 3rd brush speed
(B) Select 3rd brush speed
(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) Sweeping brush pressure relief
(E) 3rd brush pressure relief (front brush)
30
(F) Save button
Press to save adjusted values or programs
(G) Rotary knob
Press to change the adjusted values

1.4.6 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 1.4.7 Transport lock.
2. Press the Change of rotation direction button when
working in the Left position.

1.4.7 Transport lock

The front brush must be secured when driving on public
roads (transport journeys).
Bolt
1
Spring pin
2
1. Move the front brush carriage all the way to the left.
2. Secure the front brush in the corresponding position us-
ing a pin and spring pin.

1.4.8 Care work

ATTENTION
Malfunction or risk of damage
Do not grease, oil or grease the guides on the carriage.
1 The existing lubrication points (grease nipples) are la-
belled.
Lubricate daily with multi-purpose grease.
English