Adjusting The Thread Trimmer -900/61; Preadjusting The Control Cam - Pfaff 521 Instruction Manual

13

Adjusting the thread trimmer -900/61

.05
13

Preadjusting the control cam

.05.01
Requirements
1. With the needle bar at BDC, the recess 3 must be pointing downwards vertically.
2. The control cam 1 must be touching the retaining collar 4 on the left.
Fig. 13 - 20
Position the needle bar at BDC.
Turn or move the control cam 1 (screws 2) in accordance with the requirements.
2
4
3
Adjustment
1
13 - 21