1. Always withdraw the mains plug before
beginning servicing work.
2. Regularly check the mains plug and connecting
cable for functional safety.
3. Only trained electricians may work on electrical
components.
4. Regularly check the cutting tools and the rotor
for wear.
5. Regularly give the machine a dry clean.
Maintenance: Gasoline model
(see Honda operating instructions)
1. Maintenance after 20 working hours:
•
Clean the gasoline filter
•
Clean the air filter
•
Check oil level
2. Maintenance after 50 working hours:
•
Clean the piston cylinder outlets
•
Clean the combustion chamber
•
Clean the exhaust pipe
•
Clean the spark plugs
10. Trouble shooting and remedies
General & Electric Model
1. The machine does not start
Cause:
•
Dead man's switch not pressed
•
Mains plug not inserted
•
Faulty connecting cable
•
On/off switch on the control bar is faulty
2. Rotor does not turn
Cause:
•
Damaged belt
•
Belt tension too low
•
No power to motor
3. Uneven cutting
Cause:
•
Tighten belt
•
Cutters worn out
•
Rotor worn out
•
Adjust the rotor's working depth
Gasoline model
4. The machine does not start
Cause:
•
No gasoline
•
Wrong gasoline
•
Faulty spark plug
•
Gasoline filter blocked
•
Not enough transmission oil (safety
circuit)
5. Machine runs roughly
Cause:
•
Dirty gasoline filter
•
Dirty air filter
•
Wrong fuel mixture
•
Adjust spark plugs
•
Faulty spark plugs cable
11. Technical Data
Voltage
Frequency
Protection class
Drive motor
Width of working
area
Grinding to edge
Rotor speed
∅-milling power
∅-milling depth,
max.
Weight
Suction connection
Tank capacity
Oil capacity
Noise level Lpa
Noise level Lwa
Vibration,
*) m/s²
total value
*) Determined under standardised manufacturer
operating conditions according to the HARM
measuring method.
EC Declaration of Conformity
In the sense of the EC machine guideline 98/37/EC
Manufacturer:
Schwamborn Gerätebau GmbH
Robert-Bosch Str. 19
D-73117 Wangen bei Göppingen
Germany
We hereby declare that the concrete and screed
milling machine
BEF 250
Serial number.........................................
has been manufactured in accordance with the
following Council directives:
BEF 250 electric
EMC Directive 89/336/EEC
DIN EN 50081-1 // DIN EN 50081-2
DIN EN 50082-1 // DIN EN 50082-2
Low-Voltage Directive 73/ 23/ EEC
DIN EN 292-1 // DIN EN 292-2
DIN EN 294
BEF 250 gasoline
EMC Directive 89/336/EEC
EN 292-1 / EN 292-2 / EN 294
Eckart Schwamborn,
General Manager
9
BEF 250
BEF 250
V
3x220/400 Gasoline
Hz
50/60
I
W
5500
8100
mm
250
250
mm
65
65
rpm
1000
1000
m²/h
35-55
35-55
mm
3-5
3-5
182
kg
170
mm
70
70
l
-
6.5
l
-
1.1
dB (A)
98
98
dB (A)
109
109
≤2,4
≤2,4
-
-