Schwamborn 707011, Operating Instructions Manual, Page: 9 / 72

9
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
BEF 250 BEF 250
Voltage V 3x220/400 Gasoline
Frequency Hz 50/60 -
Protection class I -
Drive motor W 5500 8100
Width of working
area mm 250 250
Grinding to edge mm 65 65
Rotor speed rpm 1000 1000
∅ -milling power
m²/h 35-55 35-55
∅
-milling depth,
max.
mm 3-5 3-5
Weight kg 1
82
170
Suction connection mm 70 70
Tank capacity l - 6.5
Oil capacity l - 1.1
Noise level Lpa dB (A) 98 98
Noise level Lwa
dB (A) 109 109
Vibration,
total value *) m/s²
≤ 2,4 ≤ 2,4
*) 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