HIGHLEAD GC20528-BDZA Manual de instruções - Página 13
Procurar online ou descarregar pdf Manual de instruções para Acessórios para máquinas de costura HIGHLEAD GC20528-BDZA. HIGHLEAD GC20528-BDZA 18 páginas. Twin needle split needle bar lock stitcher
Imprimir página24.ADJUSTMENT OF THE UPPER FEED
If the uneven feeding occurs according to the fabric.Adjust the long hole of the horizontal feed shaft
crank(right)to adjust the upper feed length.Adjust as follows:
（1）Loosen the bolt.
（2）Move the bolt upward to increase upper feed.
（3）Move the special bolt downward to decrease the upper feed.The upper feed and the lower feed
theoretically becomes equal at the reference line on the feed connection crank(right).
Securely tighten the bolt after adjustment.
25. ADJUSTMENT THE STITCH TOLERANCE
Screwing the pin that connects the link of back-sewing with the crank of back-sewing(down)can adjust the
tolerance of between the stitches.Screwing the pin in clockwise can increase the stitch of forward
sewing,otherwise,the stitch of back-sewing will be increased.
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