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Installation of SU puller is extremely easy and simple. A Plate with
all possible screw hole is replaced the original machine rear cover.
Fixing Bracket is fixed on this plate.
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No damage will be caused on the sewing machine.
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Installation is recoverable. SU-puller can be install on other
machine.
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A Drive Gear is screwed on the main shaft of sewing machine.
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Special designed 5-Roller Clutch can support shorter stitch length.
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Special designed gear and bearing can minimize the extra burden on
the sewing machine. Su-puller is very light and easy.
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Belt's tension is adjustable.
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Pulling length is adjustable
