Brother S-7180A Instruction Manual page 74

1447D
2mm
1448D
(2)
(1)
(14)
7. With the thread trimmer solenoid in the ON position, rotate
the sewing machine pulley and move the thread trimmer
cam roller (11) to the maximum displacement position with
the thread trimmer cam (10).
* Be careful not to return the thread trimmer solenoid to the
OFF state halfway.
8. Set the maximum engagement amount of the upper and
lower knives to 2mm.
* Rotate the thread trimmer lever (1) to align the tip of the
upper knife (8) with the center of the takin (12) of the lower
knife (4).
* Be careful that the cutting edge of the upper knife (8) does
not exceed the mark (12).
9. Tighten the screw (2) of the thread trimmer lever (1).
* Be careful not to rattle the thread trimmer lever (1) and
forked shaft (13) in the thrust direction.
*Loosen this bolt (14) to fine-tune the amount of engagement.
S-7180A
5. Standard adjustment
65