Singer 7422 Service Manual page 28

Meshing motor gear with feed regulator gear
When meshing motor gear with feed regulator gear again, follow procedures below:
A. Half-step version
Mesh these gears so that centers of feed regulator and motor gear and concave hole may be
positioned in alignment
B. Full-step version
Rotate motor gear clockwise to touch it with stopper pin and mesh these gears so that
feed regulator gear may be positioned with full two gears below line from feed regulator
to motor gear
Concave portion
Almost straight line
Stopper pin
Full two gears below line
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