Lateral Adjustment Of The Thread Catcher - Pfaff 900/51 Service Manual

2 Lateral adjusting of the thread catcher
.11
Requirement
1. The tip of the thread catcher 6 should point exactly to the middle of the needle.
2. The thread catcher 6 should not touch anywhere when in motion.
1
2-08
Fig. 2 - 07
Unscrew needle plate and feed dog.
Loosen screw 1 and remove knife 2.
Position needle bar at b.d.c
Push aside catcher stop 3 (screws 4).
Loosen screws 5.
Position the tip of thread catcher 6 in front of the needle by moving the thread catcher
carrier.
Adjust thread catcher 6 laterally in accordance with requirement 1.
Tighten screws 5 firmly ensuring that the back of the thread catcher is horizontal.
2
6
Needle plate, feed dog, knife 2 and catcher stop 3 stay dismantled for the
following adjustments.
Adjustment
6
4
5
3
2 - 8