Adjustment Procedure
1) Open the cloth base cover and loosen setscrew
2) When looper thread auxiliary thread take-up lever
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.
.
.
– 31 –
Results of Improper Adjustment
is in its lower