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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