Thread Catcher Guard - Pfaff 3801-3/07 Instruction Manual

Adjustment
13

Thread catcher guard

.06.04
● Loosen screws 1 so that the interlocking cam can be turned on its shaft with resistance.
● Bring the needle bar to TDC.
● In this position turn the interlocking cam 2 according to requirement 1.
● Bring the thread-trimming device to its neutral position and the needle bar to BDC.
● Adjust interlocking cam 2 according to requirement 2 and tighten screws 1.
13 - 39
Requirement
1. When the thread trimmer is in the cutting position, the guide roller 3 must be centered in
the recess of the guard cam 2.
2. When the thread trimmer is in the basic position, there must be a distance of
0.5 - 1 mm between the guard cam 2 and the guide roller 3.
Fig. 13 - 36
3
1
2
0,5 - 1 mm
2
1
3