THREADINGUPPERMACHINE
Place thread | as | illustrated | between |
| discs | of | the | ||||||
Thread | Tension | Control. |
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Prevent | the | spool | of | thread | from | 1;urntng |
| and | |||||
by | holding | the end of the thread |
| pull | spr_ng | ||||||||
wire | loop | up and past the top | hook | unti_ | the | ||||||||
thread | can | be | slipped |
| into | the | hook. | When | |||||
thread | tension | Js | released, | the | spring |
| wire |
| loop | ||||
will | return | to posit_on | as | shown |
| with |
| the thread | |||||
_n | proper | place. |
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Release | spool | of | thread | and continue |
| to | thread | ||||||
machine | as | illustrated, |
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