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1) Open the cloth base cover and loosen setscrew .
2) When looper thread auxiliary thread take-up lever is in its lower
dead point (when the feed dog goes back to the end), tighten set-
screw so that the thread hole in looper thread auxiliary thread
take-up lever aligns with the thread hole in looper thread auxiliary
thread take-up lever guide .
(Caution) 1. When the feed pitch is changed, perform re-adjustment.
2. Confirm that looper thread auxiliary thread take-up le-
ver does not come in contact with the cloth base
cover.
Adjustment Procedure Results of Improper Adjustment
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