Adjustment
13 - 2
13.04 Control and adjustment aids
The positions required during adjustment can be fixed with the help of
adjustment pin 1 (part no. 13-033 346-05) and, if necessary, adjustment gauge 3
(part no. 61-111 639-73).
Needle bar position 1.8 mm past b.d.c.
● Turn the balance wheel until the needle bar is approximately in the required position.
● Insert adjustment pin 1 in the hole.
● Move the balance wheel fractionally to and fro until adjustment pin 1 engages in crank 2.
Needle bar position 0.6 mm past b.d.c.
● Bring the needle bar approximately into the required position.
● Fit adjustment gauge 3 to pins 4 and 5, paying attention to the right side (for 30 mm or 36
mm needle bar stroke).
Fig. 13 - 01
1
2
4
5
57-15a
3
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