5-2) Trimmer Setting - SunStar SJS/A-BA2 User Manual

5-2) Trimmer Setting

SunStar machine is electronically adjusted and adopts the
air pressure-driven trimmer.
adjusting screw
needle plate
The trimmer is attached to the base, which can be adjusted
horizontally, using two clamping screws.
The scaled screws fixed to the face plate are positioned at
the height of the block.
The block should be always rolled up in order to ensure the
screw touch the needle plate.
The moving blade is driven by the cylinder, and moves into
adjusting screw
the triangle formed by the thread, the needle and the bobbin.
Slightly lower the needle until the blade passes through the
triangle.
The blade position, full design, and thread cutter are
described.
The hook tip should slight pass by.
- Left to the needle when it is viewed from the inner head
- Right to the needle when it is viewed from the outer head
Needle
Edge Point
At the highest position, the tip of the blade should be at least
1.5mm above the hook holder. This is to ensure the both
threads are held.
To adjust the position of the blade, loosen the trimmer lever
tightening screw.
1~1.5mm
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