JUKI LK-1910 Engineer's Manual page 51

Adjustment Procedures
1) If shuttle felt 1 is protruding, or is replaced with a new one,
push it into the hole with tweezers or the like.
(Caution) Do not put it excessively into the hole. Align the
height with the race face.
1) If the dimension of 0.3 x 8 mm is not set right, readjust with
oilstone.
Dimension A Part No.
(mm)
0.8 14103253
1.3 14103352
1.7 14103659
1.9 B1817210DA0
Name of part Remarks
Shuttle race ring A Optional
Shuttle race ring B Provided as
standard for S
and H types.
Shuttle race ring C Optional
Shuttle race ring D Optional
46
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Results of Improper Adjustment
™ If the shuttle felt is protruding, a
rotating load is applied to the
inner hook, causing stitch failure.
™ If the shuttle felt is lacking, or is
excessively pushed into the
hole, shuttle lubrication will be
insufficient, causing shuttle-
heating or worn-out of the
shuttle.
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