Adjustment

13.05.13 Needle-thread tension release

Requirement

With the lifting presser raised, there must be a clearance of at least 0.5 mm between tension discs 4.

2

0.5 mm

1

3

4

Fig. 11 - 13

● Position pressure plate 1 behind mounting bracket 2 according to Requirement.

The clearance of 0.5 mm is a miminum setting and may be as much as 1 mm for heavy threads.

When the tension is engaged, release pin 3 must not be under load.

13 - 15