Readjusting the engine brake
When the rundown time of the motor exceeds 10seconds, the brake of the motor needs adjustment.
This is how it is done:
without removing the cowling, turn the bolt (9) holding the ventilator fan on the motor axle 1/16
th
of a
turn clockwise and make a brake test. When necessary adjust the brake further until it does not
exceed 10 seconds rundown time.
The air gap between ventilator fan (brake disk) and brake liner (Ferrodo) is factory set at 0,25 mm.
1 motor frame
2 key
3 spring
4 motor axle
5 air gap
6 electromagnet
7 mobile disk
8 locking nut
9 adjustment bolt
10 washer
11 braking disk (cast iron)
12 braker line (Ferrodo)
Fig 32
Calibration of the digital readout
After switching the batteries, the digital read-out needs to be calibrated again.
Turn the spindle up until point zero. The flange of the spindle is positioned as high as the table
surface. This value can be read with a straightedge.
The inclination of 90 degrees can be read with a T-square.
Now press < F > and < Set > to calibrate the digital read-out to point zero.
Press < F > et < Incr/Abs > on the display to change the values.
The display changes data at 3 speeds:
Speed 1: at 1 Hz for 10 sec.
Speed 2: at 10 Hz for 10 sec.
Speed 3: at 1000 Hz for the time < F > + < Incr/Abs > are pressed.
When you almost reach the value you want to enter, you must release both keys and
then push them again to switch to low speed for fine tuning.
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