Adjustment
12 - 2
12.04 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
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)
Fig. 12 - 01
1
2
4
5
3
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