2.9 Trimming and clamping device for the hook threads
Function
–
After the seam end and during the thread pulling process the hook
threads are pulled through the thread grooves of the throat plate
into the open hook thread scissors 2 and the hook thread clamp 1.
–
The hook thread clamp 1 is located under the throat plate. It opens
pneumatically.
–
The hook threads are pulled between the throat plate panel and the
open thread clamping sheets 3.
–
Close the spring clamping sheets.
–
The hook thread scissors 2 cuts the hook threads off.
–
In every working cycle the hook thread scissors 2 is cleaned by an
air blast. This avoids clamping of fluff and thread tails.
Caution: Danger of injury!
Switch off the main switch.
Adjust the trimming and clamping device for the hook threads
only with the sewing unit switched off.
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54 3
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