Duerkopp Adler 743-121 Manual de instruções de instalação - Página 6
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3.3 Setting the Motor Protection Switch
3.4 Checking the Direction of Motor Rotation
3.5 Checking Positioning
6
The motor protection switch must be set appropriately to the mains
voltage.
220 - 230 V
380 - 400 V
CAUTION !
Before commissioning the sewing unit it is essential that the direction
of the motor rotation be checked.
Switching on the sewing unit with the wrong rotation direction can
cause damage to the unit.
–
The correct handwheel rotation direction is shown by an arrow on
the handwheel belt protection.
–
If the rotation direction is not correct, then it must be checked if
the power supply produces a clockwise rotary field.
Should this be the case then 2 phases in the connection plug must
be interchanged.
The sewing unit should position when the take-up lever is in its upper
dead point.
Checking positioning
–
Switch off the sewing unit.
–
By turning the handwheel bring the take-up lever to a middle
position.
–
Switch on the sewing unit.
The sewing unit positions.
Setting the position
–
Loosen the threaded pins of the position transmitter.
–
Hold the position transmitter collar 1 in place.
–
By turning the handwheel set the take-up lever at the upper dead
point.
–
Check the positioning again.
4,2 A
2,5 A
1