11-1
11-1) ADJUSTING THE TRIMMERS
11-1-1) Adjusting the Insert Angle of Movable Blade
1) Adjusting the position of the movable blade
①
Check if the movable blade is in the correct
position.
②
Tip of the movable blade should be around 1mm
from the center of the fixed blade screw. Incorrect
position of the movable blade may cause
trimming errors or deviation of the upper thread.
③
Unfasten the crank screw to adjust the location of
the movable blade (see [Fig.11-1]). Manually
move the movable blade to adjust. Fasten the
screws back after adjustment.
11-1-2) Adjusting Space between Movable Blade and Hook
To adjust a space between the movable blade and the hook, remove or insert a spacer (t 0.1) between the blade
base and the hook base. In the case of spacer removal, make sure to check if the hook does not interfere with the
movable blade.
MAJOR MACHINE ADJUSTMENTS
CHAPTER
11
The movable blade is started by the trimmer cam in the angle it is inserted. As one of the basic trimming
functions, it arranges the upper thread tails in the needle after trimming.
[Fig.11-1]
WARNING
Turn OFF the main power when adjusting the machine.
Blade base
Spacer
Movable blade
Fixed blade
[Fig.11-2]
Hook
holder
Hook base