Adjustment
13 - 37
108-073
13.37 Adjusting the thread wiper (only on subclass -5/..)
Requirement
1. In cutting position, the thread wiper 1 should be centred to the needle, and with the
needle bar at t.d.c. it should swing though under the needle without contact.
2. When the cylinder 6 is extended, bearing block 7 should not collide with adjusting ring
8, and thread wiper 1 should be approx. 3 mm behind the needle.
● Connect the machine to the pneumatic system and switch it on.
● Engage thread wiper 1 using parameter "603".
● Adjust thread wiper 1 (screws 2 and 3) in accordance with requirement 1.
● Adjust piston rod 4 (nut 5) in accordance with requirement 2.
● Set parameter "403" to its maximum value.
● Check the setting during the sewing process and correct it if necessary.
● Reset parameter "403".
● Switch off the machine and disconnect it from the pneumatic system.
Fig. 13 - 32
1
2
3
7
8
6
4
5
108-132
3 mm
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