Adjustment
11 - 2
11
.04
Checking and adjusting aids
With the aid of blocking pin
1
(part No. 13-033346-05) and if necessary
adjustment gauge
3
(part No. 61-111 639-70) the machine can be blocked in the
following positions for adjustment
Fig. 11 - 01
1
2
4
5
3
Needle bar position 1.8 mm past b.d.c.
●
Turn balance wheel until needle bar is roughly in required position
●
Insert blocking pin
1
in hole
●
Turn balance wheel slightly back and forth until blocking pin engages crank
2
Needle bar position 0.6 mm past t.d.c.
●
Set needle bar roughly at required position
●
Place adjustment gauge
3
onto pins
4
and
5
, making sure right side is used (for 30 or 36
mm needle bar stroke)
Needle bar position 0.6 mm past b.d.c.
●
Set needle bar roughly at required position
●
Place adjustment gauge
3
onto pins
4
and
5
, making sure right side is used (for 30 or 36
mm needle bar stroke)