Adjust Thread Trimmer -900/83; Roller Lever Neutral Position / Control Cam Radial Position - Pfaff 571 Adjustment Manual

Adjustment
13

Adjust thread trimmer -900/83

.06
13

Roller lever neutral position / control cam radial position

.06.01
 Ensure that the plunger 6 is at the leftmost position, adjust the magnet 1 (2 screws)
 Turn the control cam 3 (screws 4) according to rule 2.
 Mount the retaining collar 8 (screws 9) on the roller 10.
44
Rule
1. When the thread trimmer is in the neutral position, the lever 5 should fi t closely to the
plunger 6 and the roller on the roller lever 7 should be 0.3 mm away from the control
cam 3.
2. When the thread lever is at TDC, the control cam 3 should have just brought the roller
lever 7 to the neutral position and the retaining collar 8 should touch the roller 10.
1
Fig. 13 - 38
according to rule 1.
7
0.3 mm
9
8
6 5
4
3
10