HIGHLEAD GC20528-BDZA Manual de instruções - Página 16
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 página30.ADJUSTMENT FOR CHANGE OF NEEDLE GAUGE PARTS
（1）Replace the throat plate, feed dog and needle clamp.(Since the throat plate and feed dog are special
parts designed for thread trimming machine, be sure to use those specified by us.)
（2）Lean the machine head backward.
（3）Loosen two connecting link clamp bolts J.
（4）Remove the spring M.
（5）Loosen the hook bracket clamp screws A and B and adjust gap between each needle and hook.
（6）When the needles and hooks have been adjusted, install the spring M.
（7）Contact the rocking cranks C and D to the stopper pins E and F and tighten the connecting link clamp
bolt J.
（8）Turn the balance wheel by band until the needles reach the lowest position.
（9）Loosen the nuts G and H.
（10）Depress the cam follower crank K and adjust the connecting rod L so that the cam roller can
smoothly enter the groove of thread trimmer cam.
（11）Adjustment of the cam groove and the cam roller
a.Push the cam follower crank K so that the cam roller enters into the cam groove.
b.Turn the connecting rod L and adjust the clearance between the cam roller and the cam groove surface N
as small as possible, and tighten the nuts G and H.
c.Push the cam follower crank K again and check that the cam roller enters into the thread trimmer cam
groove smoothly.
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