Speed Adjustment - Pfaff 3339 Instruction Manual

Adjustment
11.

Speed adjustment

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Maximum speed:
Open the control box of the motor. There is a switch key on the on the bottom left hand
side of the control plate.
Each time this switch key is pressed the speed is reduced 100 spm.
In this way the speed can be reduced to 1000 spm. The next time the switch key is
pressed the speed adjustment returns to the beginning again (2000 spm or 1700 spm).
If the motor is running at maximum speed, this is indicated by the yellow LED next to
the switch key.
models A + B 2000 spm
model C 1700 spm