Table of Contents
Advertisement
#. MaINtENaNcE oF SaWING MacHINE
1. MaINtENaNcE
1-1. adjusting the height of the needle bar (changing the length of the needle)
WarNING :
turn oFF the power before starting the work so as to prevent accidents caused by abrupt start of
the sewing machine.
2
* turn oN the power once, and turn oFF the power again after making the intermediate press-
er in the lowered state.
1) Brng needle bar 1 down to the lowest poston of ts stroke. Loosen needle bar connecton screw 2
and adjust so that the upper marker lne 3 engraved on the needle bar algns wth the bottom end of
the needle bar bushng lower 4 .
2) As illustrated in the above figure, change the adjusting position in accordance with the needle count.
after the adjustment, turn the pulley to check for an extra load.
1-2. adjusting the needle-to-shuttle relation
WarNING :
turn oFF the power before starting the work so as to prevent accidents caused by abrupt start of
the sewing machine.
4
5 : Marker line for DP x 17
5
6 : Marker line for DP x 17
6
2
4
1
6
needle (with needle count
higher than #22)
needle (with needle count
3 : When DP x 17 needle (of
lower than #22)
3
: Market line for DP x 17
5
(with needle count higher than #22)
: Marker line for DP x 17
5
6
(with needle count lower than #22)
1
* turn oN the power once, and turn oFF the
power again after making the intermediate
presser in the lowered state.
1) Turn hook drvng shaft pulley 1 by hand and
1
adjust lower engraved marker lne 3 to the
bottom end of needle bar lower metal 4 when
needle bar 2 goes up.
4
3
which needle count is
lower than #22) is used.
– 94 –
4
3
3 : When DP x 17 needle (of
which needle count is
higher than #22) is used.
Advertisement
Table of Contents
