Machine head
Service Instructions 745-35-10 S/745-35-10 A - 02.0 - 04/2017 67
To check the function of the trimming and clamping device for the needle 
threads:
1. Press the pneumatic switch (5) on the machine head.
Replacing blade and thread-pulling knife
Fig. 55: Setting the trimming and clamping device for the needle threads (2)
WARNING
Risk of injury from sharp parts!
Cutting possible.
Do not check and adjust blade and thread-pulling 
knife unless the sewing unit is switched off.
(1) - Screw
(2) - Screws
(3) - Blade
(4) - Screw (rear side)
(5) - Thread-pulling knife
(6) - Knife guard
27 mm +/- 1
0.5 mm
1mm
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