19
Adjustment
12 Catcher height
Requirement
Thread catcher 5 must pass 0.8 mm above bobbin case 6.
If during a manual trimming test (chap. 19) the end of the thread catcher pushes
against the bobbin thread, change height setting.
●Making sure that screws 1 are still loose, loosen screw 2.
●Loosen screws 3 in collar 4.
●Swing thread catcher 5 by hand to center it above bobbin case 6, and adjust it according
to the requirement.
●In this position, tighten screw 2.
●Center vertical play of catcher driving lever 7, making sure catcher driving joint is not
strained.
●Maintain position and making sure that collar 4 does not strike other parts, move fully
downwards and tighten screw 3.
●Check this adjustment according to the requirement.
●On two-needle machines, make adjustment twice. Screws 1 are left loose.
1
7
7
43
0.8 mm
6
5
143
2
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5
5
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