Setting the trimming and clamping device for the needle threads
88 Service Instructions 755 A/756 A - 00.0 - 02/2019
Fig. 91: Replacing knives and thread-pulling knife (2)
4. Carry out a cutting test with loose threads.
 The loose threads must be cut cleanly before being clamped by
the thread clamp.
Fig. 92: Replacing knives and thread-pulling knife (3)
5. If the loose threads are not cut cleanly and clamped, the knives and
the thread-pulling knife must be replaced or adjusted.
6. Loosen screws (3) and (4).
7. Replace the knives (6) and the thread-pulling knife (5).
(3) - Screws
(4) - Screws
(5) - Thread-pulling knife
(6) - Knife
(7) - Clamping plate
(8) - Screw
(9) - Screws
③⑤⑥⑨
â‘£
⑥⑤
⑦
⑤
â‘§
5.5 mm
1 mm