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12. Adjusting the spreader thread guide and the needle clamp thread guide
1
2
3
4
5
A
B
0.8 to 1.2 mm
4
5
1
2
0.4 to 1.0 mm
2
C
4
[Spreader thread guide]
Adjust so that the clearance between spreader thread
guide
2
and spreader
1
is 0.4 to 1.0 mm. Then x the
spreader thread guide with setscrews
3
.
* Adjust so that the center of slot
A
of spreader thread
guide
2
aligns with blade point
B
of spreader
1
when spreader
1
is in the extreme right position.
In addition, allow the spreader thread guide
2
to
come near the needle clamp to such an extent that
the spreader thread guide does not interfere with the
needle clamp.
[Needle clamp thread guide]
Adjust so that the center of thread hole of needle clamp
thread guide
4
aligns with center
C
of slot
A
when the
needle is in the lowest position.
* At this time, adjust so that the clearance between
needle clamp thread guide
4
and spreader thread
guide
2
is 0.8 to 1.2 mm. Then x the needle clamp
thread guide with setscrew
5
.
13. Adjusting the front needle guardAdjusting the front needle guard
0.2 to 0.5 mm
1
2
3
4
3.3
±
0.5mm
Adjust the height of front needle guard
2
with setscrew
4
so that it is higher by 3.3 ± 0.5 mm than the rear
needle guard.
Adjust with setscrew
3
so that the clearance between
the needle and front needle guard
2
is 0.2 to 0.5 mm
when looper
1
travels from the extreme right position
to the left and passes the rear side of the respective
needles.
* Allow front needle guard
2
to come to the needle
as near as possible within the range where needle
thread smoothly passes in accordance with the kind
or thickness of thread.
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the fol-
lowing work after turning the power off and ascertaining that the motor is at rest.
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the fol-
lowing work after turning the power off and ascertaining that the motor is at rest.