Brother LK3-B448E - Manual (Page 48)

LK3-B448E MARK II /BA-16
41
10. Adjustments
A. After the movable knife and fixed knife are properly engaged, tighten the screw as shown in Fig.1.
B. Turn the movable knife (in the direction of the arrow) while the screw is still tightened.
C. Loosen the screw.
D. Turn the movable knife (in the direction of the arrow) while the screw is still loosened.
Repeat above steps A, B, C and D four or five times to maintain the cutting performance of the knife.
A B C D
Cutting
edge
Movable knife
Fix knife
Fig. 1
Cutting
edge
Cutting
edge
Cutting
edge
10mm
e
w
q
10-8 . Adjusting the button clamp lift amount
The button clamp lift amount is 10 mm from the top of the needle plate.
To adjust the button clamp lift amout, remove the button clamp presser spring
q , loosen the screw w and adjust the
button clamp holder hook
e
by moving it up and down.
* If movement is sluggish when the button clamp is being raised and lowered, it may not be possible to increase the
button clamp lift amount.
* If the button clamp cannot be raised or lowered, error code [E-61], [E-63] will be displayed.
10-7-2. Adjusting the engagement of the movable knife and fixed knife