Setting the thread cutter
13.5 Setting the hook thread clamp
Proper setting
If the pressure of the hook thread clamp is correct, the end of the hook
thread at the beginning of the seam is 40 - 50 mm long.
Fig. 65: Setting the hook thread clamp
①
(1) - End of the hook thread
To set the hook thread clamp:
1. Complete a few short seams including thread cutting at the seam end.
2. Measure the length of the hook thread end (1) at the start of the seams.
Hook thread end (1) shorter than 40 mm:
1. Turn the screw (2) clockwise to increase the clamping force.
Hook thread end (1) longer than 50 mm:
1. Turn the screw (2) counterclockwise to reduce the clamping force.
Service Instructions 969 - 06.0 - 03/2019
40 - 50 mm
(2) - Screw
②
83