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1.Sewing machine locked 1-1)Large needle compared with Replace the needle hole guide.
the hole diameter of the needle
hole guide
2.Deformation in sewn patterns 2-1)X timing belt tension is Adjust the X timing belt tension.
maladjusted.
2-2)Y timing belt tension is Adjust the Y timing belt tension.
maladjusted.
2-3)Backlash of the X feed motor Adjust the position of X feed motor.
gear is maladjusted.
2-4)Backlash of the Y feed motor Adjust the position of Y feed motor.
gear is maladjusted.
2-5)The moving torque is strong 5-A)Parallelism of the X-LM guide Adjust the mounting position of the X-LM guide.
in Direction X. is not secured.
5-B)The throat plate auxiliary Adjust the throat plate auxiliary cover height.
cover height is inadequate.
5-C)Inadequate adjustment of the Adjust the feeder bar auxiliary cover rail X.
feeder bar auxiliary cover rail X.
2-6)Traveling torque in X direction 6-A)Parallelism of the Y_LM Adjust the mounting position of the Y-LM guide or Y
or Y direction is excessive. guide or the Y_aux. LM auxiliary LM guide.
guide is not secured.
6-B)There is interference between Adjust the throat plate auxiliary cover height.
the throat plate auxiliary cover
and the throat plate.
6-C)Inadequate adjustment of the Adjust the feeder bar auxiliary cover rail Y.
feeder bar auxiliary cover rail Y.
2-7)Pressing pressure is too low. 7-A)Inadequate adjustment of the Adjust the pressure switch.
pressure switch
7-B)Regulator is maladjusted. Adjust the regulator.
7-C)Supply air pressure is too low.Adjust the supply air pressure.
Trouble Cause (1) Cause (2) Check and corrective measures
13. Troubles and corrective measures
(1) Mechanical parts
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