Phase Matching Of Upper Shaft And Lower Shaft - Brother SL100 Service Manual

Basic of Assembly
5

Phase matching of Upper shaft and Lower shaft

1. When set the groove of upper shaft pulley frontward by rotating the pulley of upper shaft, and set the
mark of outer rotary hook assy frontward by rotating the lower shaft A assy, and set the feed cam with
larger end facing backward, and tighten the two screws (set screw, socket (CP) M5X5) of fixed joint.
Set Screw, Socket (CP) M5X5
Hex wrench 2.5 mm
Feed cam
Outer rotary
hook assy
Feed unit / Feed control
Upper shaft pulley
Groove
Lower shaft A assy
Fixed joint
Mark
2 - 39
Set screw, socket (CP) M5X5