Fein KBM 50 Q - 3.1. Minor functional test

MVK 03 / 07
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Fein Repair Tool
3.1. Minor functional test
3.1.1. Self-start lock and magnetic foot
Turn on the master switch and the motor switch. Then connect the core drilling
machine to the electrical power.
 The motor must not start up.
 The magnetic foot is energized.
 Check the power consumption (0.4 A, see 3.3. Test data).
Motor switch off.
 Magnetic foot remains energized.
 Power consumption must be reduced to one half (0.2 A, see 3.3. Test data).
3.1.2. Motor
Motor switch on.
 Motor starts up.
3.1.3. Characteristic curve of the motor
Place the motor under load.
 Speed is regulated.
 From about 1600 Watts on the speed drops off more sharply.
3.1.4. Overload switch off
Place the motor under heavy load.
 The motor switches off after 10 seconds.
The motor must be run at idle for about 60 seconds before the test.