Brother BE-438B Sewing Machine User Manual


 
4. ASSEMBLY
KE-484C
KE-430B, 430C series
88
3423
Q
Approx. 0.8mm
Shuttle h
ook
Bobbin case hold
er
posit
ion bracket
Inst
all the hook stopper setting base so that the
distance from the tip of the bobbin case holder
position bracket to the needle drop surface is
approximately 0.8 mm.
3422Q
3424Q
3425Q
Tip of the rotary hook
1. Needle bar thread guide
2. Ne
edle
3. Set screw
4. Treble hook assy
Set s
crews
5.
Set screws [2 pcs]
Tu
rn the machine pulley to align the tip of the rotary hook with
the needle center line. Then tighten the set screw to adjust the
clearance between the needle and the tip of the rotary hook to
0.01–0.08 mm.
6.
Hook stopper setting base
7. Screw
8. Bobbin
9. Bobbin case assy