JUKI LK-1941 Manual De Instrucciones página 51

20130424 LK-1941,1942 R08
Relation between needle and engraved lines
7
6
When DPx5 is used.
7
When DPx17 #26 is used.
Adjusting the clearance provided between the needle and the hook
(Perform this adjustment together with the aforementioned adjustment.)
Installing the inner hook stopper
Groove on
throat plate
7
5
6
When DPx17 #18 to
#25 is used.
6
5
9
0.03 to 0.1mm
2
A
Groove on inner hook
1) Turn the handwheel by hand in the direction of
normal rotation. When needle bar 5has gone up,
adjust so that lower marker line 6 engraved on
the needle bar aligns with the bottom end of the
5
needle bar bushing 7, lower.
3) Loosen setscrew 8 and move the hook to adjust
so that the blade point of the hook is aligned with
the center of the needle.
8
Turn the handwheel and loosen setscrew 8 to adjust
so that the clearance of 0.03 to 0.1 mm is provided
between the needle and blade point 9 of the hook
when the blade point of the hook is aligned with the
center of the needle.
8
1) Fit the projection at the top end of inner hook
stopper 1 to the groove on the inner hook, and
1
install setscrews 2.
2) There is a slight play between inner hook stopper
1 and setscrews 2 in the direction of arrow mark
A (lateral direction). Making the projection of inner
hook stopper 1 come in contact with the groove
on the throat plate, fix the inner hook stopper with
setscrews 2 so that the setscrews are positioned
approximately in the center of the play.
Turn the needle guard section of the
inner hook to the lower side so that
the inner hook does not come in
contact with the needle.
39