Adjusting The Air Jets - Pfaff 3801-3/07 Instruction Manual

13

Adjusting the air jets

.07.03
Requirement
1. Open throttle 1 far enough to press bridle tape 5 over air jet 6 into the range of the
photoelectric beam 7, so that the switch status of the photoelectric beam is displayed
(LEDs 8 are not on).
2. Open throttle 2 (jet 10) far enough to ensure a reliable sewing start.
3. Open throttle 3 (jet 11) far enough to ensure that the tape is dispensed reliably after trimming.
4. During the feed motion throttle 4 should only be opened far enough to press bridle tape 5
over air jet 9 out of the detection range of the photoelectric beam 7.
Fig. 13 - 41
● Adjust throttles 1 to 4 in accordance with requirements 1 to 4.
8
5
7
6
5
Adjustment
4
2
1 3
117-006
7
5
11
10
9
13 - 44