Adjustment
11 - 60
11.07.14 Cutter driving rod
Requirement
1. In its starting position the cutter must be flush with the needle plate contour.
2. At the TDC of the driving rod 2 there must be a safety clearance of at least 0.3 mm
between pin 5 and the top end of the cam guide.
● Bring the needle bar to BDC and activate the engaging lever by hand.
● Bring driving rod 2 to its top point of reversal by turning the handwheel.
● Carry out the alteration on the driving rod 2 (screw 1), the eccentric sleeve 3 (screw 4)
and/or the eccentric pin 5 (screw 6) in accordance with the requirement.
● Check the requirement from chapter 11.07.13 Eccentric sleeve.
● Bring the thread trimmer to its starting position using the handwheel.
If using the 474 model, carry out the same adjustment on the second post.
5
2
6
3
4
Fig. 11 - 56
5
0.3 mm
3
4
PFAFF 491
1
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