Auxiliary Thread Tension Controller - Garudan anita GC-3317 Series User Manual

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Alternate vertical motions of the walking foot and the presser foot
The alternate vertical strokes of walking foot and presser foot are normally equal.
Depending on the type of materials, however the vertical stroke of the presser foot may be
set smaller than of walking foot. Turn the handwheel, raise the presser foot from throat
plate a little. Loosen screw (1). The presser foot falls to the throat plate by power of the
spring. Then tighten screw (2) in its position. (fig.17b)
(fig.17b)

23. AUXILIARY THREAD TENSION CONTROLLER

Adjust the auxiliary thread tension using nut (1). Turn the nut in direction (A), tension
increases and the needle thread shortens. Turn the nut in direction (B), tension decreases
and the needle thread lengthens. (fig.18)
(fig.18)
MP00100EN_170907 18