12
6)
Assembly and adjustment of the synchronizer
(1) For in-built location detector
Adjust the up-stop position of the needle such that the white carved sign on the pulley ®È is in a straight line with
the carved sign on the arm ®Í when the needle has stopped in the air. That adjustment can be made by loosening the
pulley’s clamp screw®Á on the side with N°§U carved signs and moving it sideways. Adjust the down-stop
position of the needle such that the needle is on the point of moving up when the needle bar is at the lowest point.
This adjustment can be made by loosening the pulley’s clamp screw ®Ë on the side with N°§D carved signs and
moving it sideways. (See, Figure 7&8)
[Figure 7]
[Figure 8]
①
Up-stop
Down-stop
③
④
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