Pfaff 900/56 Service Manual page 9

4. Solenoid bracket on -900/61
02
Requirement
With engaging lever 1 operated, and control pin 2 positioned beside return motion cam 3,
there must be a clearance of 0.5 mm between control pin 2 and return motion cam 3.
Turn balance wheel in feeding direction until needle bar is positioned 10 mm before b.d.c.
Operate engaging lever 1.
Continue turning balance wheel until control pin 2 is positioned opposite return motion
cam 3.
Loosen screws 4.
Adjust position of solenoid bracket 5 according to the requirement.
In this position, tighten screws 4.
Check this adjustment according to the requirement.
Turn balance wheel opposite feeding direction until control pin 6 is retained.
6
0.5 mm
3
2
Adjustment
2
3
4
5
1
9