Scissor Drive Bar - Pfaff 1491E1 Instruction Manual

Adjustment
13.

Scissor drive bar

07.14
13 - 47
Requirements
1. In its starting position the scissor must be flush with the needle plate contour.
2. At the TDC of the drive bar 2 there must be a safety clearance of at least 0.3 mm
between pin 5 and the top end of the cam guide.
4
3
5
Fig. 13 - 43
Bring the needle bar to BDC and activate the engaging lever by hand.
Bring drive bar 2 to its top point of reversal by turning the handwheel.
Carry out the alteration on the drive bar 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 13.07.13 Eccentric sleeve.
Bring the trimming device to its starting position using the handwheel.
5
6
2
1