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B. How to adjust the link stopper
ⓐ With the needle bar in its lowest position, check if there is enough clearance between the thread
trimming cam roller and both ends of the thread trimming cam when the thread trimming drive link
is pushed in the direction of the arrow() within the thread trimming cam moving part.
ⓑ Make the end of the link stopper screw touch part of the thread trimming link stick when the
trimming cam roller is inserted into the thread trimming cam moving part. Then, tighten the nut.
[ Caution ]
If there is not enough clearance between the thread trimming cam roller and both ends of the thread
trimming cam, thread trimming may not be operated correctly or the machine may be lock when
beginning to sew or thread trimming.
[ Caution ]
If the position is not set appropriately, the return to the previous point after thread trimming may be
delayed and the first stitch may not be tight enough.
9) Adjusting the Thread Trimming Accessories
A. Setting the position of the thread trimming cam
Set the upper shaft collar and the thread trimming cam 2.5mm apart from each other and place the
trimming cam where the trimming cam carving line accords with the upper shaft carving point. Then,
tighten screw ①.
[ Caution ]
If the thread trimming cam is not placed in the right position, the thread trimming operation may not be
made correctly or the machine may be lock.
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