Brother 2104D - Front; Back Position of Lower Looper Adjustment

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Adjustment
Adjustment Adjustment
Front / back position of lower looper adjustment
1. Turn the pulley counterclockwise rotation, and
then set the needle and the lower looper at the
position of the figure.
2. Loosen the screw (set screw, socket (CP) M4x4)
for the UL lever shaft assy.
3. Move the UL lever shaft assy, and then adjust
the gap of the needle (left) and lower looper to 0
to 0.05 mm.
4. Fasten the screw (set screw, socket (CP) M4x4)
for the UL lever shaft assy.
Pulley
Needle
Lower looper
UL threader
Movable
needle guard
UL lever
UL lever shaft assy
Lower
looper
Contact to
the end face
Lelt needle
Set screw, socket (CP) M4x4 UL lever shaft assy
0 to 0.05 mm
Left needle
Lower looper
Movable needle guard
Set screw, socket (CP) M4x4