Timing Belt Tension For The X Direction - promelectroavtomat ULT2003D Service Manual

EMBROIDERY UNIT ADJUSTMENTS
26.

TIMING BELT TENSION FOR THE X DIRECTION

STANDARD
There should be 4 mm slack in the timing belt looped around the X driving shaft and the X tension pulley shaft,
when the center of the belt is pressed by a force of 1.2 ± 0.12N (120 ± 10g) after the X carriage unit is moved all
the way to the right.
ADJUSTMENT
1. Move the X carriage unit all the way to the right.
2. Loosen the screw of the X tension pulley.(screws (A) and (B))
3. Adjust the position of the X tension pulley.
4. Tighten the screw of the X tension pulley.(screws (A) and (B))
Adjustment Point
If the tension in the belt is too weak or too tight, the embroidery may not be aligned correctly (the inside of the
pattern may not align with the outline).
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