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Adjustment
13 - 3
13
.05 Adjusting the basic machine
13.05.01 Basic position of the machine drive
This adjustment is only required if toothed belt 2 has been removed.
Requirement
When the needle bar position is 0.6 mm above the BDC, the marks on the machine
housing 3 and toothed belt wheel 1 must be flush with each other.
● Set needle bar at 0.6 mm past b.d.c.
● Turn toothed belt sprocket 1 according to Requirement and push on toothed belt 2.
Fig. 13 - 02
57-42a
3
4
1
2