Adjustment
13.04 Checking and adjusting aids
With the aid of blocking pin 1 (part No.
1
3
4
2
5
Fig. 13 - 01
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)
13 - 2