Adjusting The Thread Trimmer -900/81; Resting Position Of The Roller Lever / Radial Position Of The Control Cam - Pfaff 571 Instruction Manual

Adjustment
11 Adjusting the thread trimmer –900/81
.07
11

Resting position of the roller lever / radial position of the control cam

.07.01
11 - 48
Requirement
1. When the thread trimmer is in is resting position, lever 5 should be touching piston 6
and the roller of roller lever 7 should be 0.3 mm away from control cam 3.
2. When the take-up lever is at t.d.c., control cam 3 should just have placed roller lever 7
in its resting position.
1
Fig. 11 - 44
Having made sure that piston 6 is positioned against the left stop, adjust magnet 1 (2
screws) in accordance with requirement 1.
Adjust control cam 3 (screws 4) in accordance with requirement 2.
0.3 mm
7
6
5
4
3