Shape Of The Inner Hook Presser; Adjustment Of The Thread Take-Up Spring - JUKI LK-1900AN Engineer's Manual

(34) Shape of the inner hook presser

If wear seems to be too much around the pointed tip of the inner hook, release the inner hook presser 1
and confirm that the dimensions of the hatched area on the rear side are 0.3 x 8 mm.

(35) Adjustment of the thread take-up spring

Standard adjustment
1
Standard adjustment
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