9
9. Fitting shampoo accessory
(only for the 421 A/B)
1. Place the tank on the lower control handle holder
2. Fix it in place with the upper holder
3. Attach the cable to the left hand lever on the
control handle
4. Connect the liquid hose to the tank and insert it
to the side of the motor
5. Mount the shampooing equipment and the fan in
the tank
6. Attach the shampoo nozzle under the machine
10. Maintenance and service
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. Clean the accessory
5. Regularly clean the spray device with water after
use.
6. Regularly wipe down the machine with a damp
cloth.
7. After work:
• Do not leave the machine resting on the
accessory
• This prevents them from becoming distorted
• Distortions cause uneven running
• Check the dust bag and filter
11. Fault-finding and rectification
1. The machine does not start
Cause Remedy
Mains plug not inserted Insert properly
Motor overload protection
has switched the motor
off
Let the machine cool
down and start it
again
Faulty connecting cable Exchange
On/off switch faulty Exchange
Faulty capacitor Exchange
2. Machine runs roughly
Cause Remedy
Dirty brush, pad or
working tool
Clean tools
Working tool not centred Centre it again
Working tool worn out Exchange
12. Technical Data
Type
421 B 421 A 510 B/B3
Voltage V 220-240 110 110/220-
240/ 400*
Frequency Hz 50 50-60 50-60
Protection class I II I
Protection grade IP 44 44 44
Drive motor W 1200 750 1500
Brush - ø mm 420 420 510
Pad - ø mm 406 406 430
Rotation speed rpm 170 170 145
Working
pressure
g/cm² 50 50 51/210
Torque Nm 67 56 98
Cable length m 12 12 12/25*
Noise level dB(A) 63 63 64
Weight kg 38 38 62
Vibration m/s² 2,5 2,5 2,5
CE testing X X X
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