JUKI MB-1373, Инструкция по эксплуатации

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3-18. Knot-tying mechanisms
(1) adjusting the knot-tying connecting plate
Loosen screws
1
and adjust so that a clearance of
1 to 1.5 mm s provded between the needle
2
and
the knot tyng plate
3
when the roller of the knot-
tyng arm gets on the outmost perphery of the knot-
tyng notch.
After the adjustment, ascertan that the needle
does not come n contact wth the knot-tyng
plate.
(2) adjusting the knot-tying arm stopper
When startng the sewng machne and the roller of
knot-tyng arm does not come nto contact wth the
knot-tyng notch, loosen screws
3
and adjust wth
stopper
4
so that outsde perphery
1
of the needle
hole almost algns wth top end
2
of the knot-tyng
plate.
(3) adjusting the knot-tying notch
Loosen screws
1
and adjust so that the roller of the
knot-tyng arm comes n contact wth the knot-tyng
notch when the needle bar goes up at the fourteenth
sttch as hgh as 30 to 35 mm (40 to 45 mm when a
TQ x 7 needle s used) above the needle bar upper
bushng.
If two knot-tying notches are to be installed
(without crossover stitch), make the
aforementioned adjustment at the 6th and
14th stitches.
WarnInG :
to protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
1 to 1.5 mm
2
1
3
2
1
3
4
30 to 35 mm
1