Lower Thread Trimming Fixed Knife And Movable Knife; How To Dismount The Fixed And Movable Knife; How To Sharpen The Fixed Knife - Brother BAS-6150 Instruction Manual

Chapter 6 Knife replacement

3. Lower thread trimming fixed knife and movable knife

3-1. How to dismount the fixed and movable knife

q
w
r
y
u

3-2. How to sharpen the fixed knife

u
72
e
t
r
t
y
u
w
i
71˚
1. Open the cloth slide plate.
2. Loosen setscrew q.
3. Detach setscrew e of needle plate w and
dismount of needle plate w.
4. Unscrew setscrew r and dismount
movable knife t.
(Note) Dismount movable knife t so as not to dam-
age the top edge.
1514S
5. Unscrew shoulder screw y and detach
fixed knife u from needle plate w.
1515S
• Sharpen fixed knife u with oil whet stone
i as illustrated when cutting gets uneasy.
• Movable knife t can not be sharpened with
regular whet stones. Replace it with new
one when the cutting gets uneasy.
1516S
BAS-6150