Adjustment

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.

2

1 4

3

57-42a

Fig. 13 - 02

● 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.

13 - 3