Stop Lug - Pfaff 900/56 Service Manual

Adjustment
9

Stop lug

16
Requirement
With stud 5 positioned at the highest point of disengaging cam 4 (take-up lever shortly
before t.d.c.) there must be a clearance of 0.1 mm between stop lug 7 and the bedplate.
7
Turn balance wheel in feeding direction to set needle bar 10 mm before b.d.c.
Operate engaging lever 1.
Loosen screws 2, then loosen screw 3.
Turn balance wheel to position highest point of disengaging cam 4 under stud 5 of
catcher control lever 6 (shortly before control cam returns to starting position).
Maintaining this position, set stop 7 according to the requirement.
Tighten screw 3.
Check this adjustment according to the requirement.
2
0.1 mm
3
6
6
5
4
1