Adjustment Of The Hook Upper Spring Position; Shuttle Felt - JUKI LK-1900A Series Engineer's Manual

(31) Adjustment of the hook upper spring position

For the right and left positions, the needle center is made to coincide with the center of the groove width
the front and rear positions, the needle rear end is made to coincide with the corner part
(Caution) If Part
B B B B B
thread, etc. Therefore, this part should be polished by the use of a buff or the like. In particu-
lar, the rear side should be handled with care.
B1815210000
A

(32) Shuttle felt

Two pieces of the shuttle felt
are not overloaded when the inner hook is set and turned along the shuttle race
Standard Adjustment
is damaged, this is the cause of thread breakage, hangnail of thread, stain on
C
B
Standard Adjustment
are inserted in the holes of the shuttle race
Shuttle
– 40 –
.
A
. Confirm that the shuttle felts
.
. For
C