Setting Positions Of Upper And Lower Shafts - Singer s18 Service Manual

SETTING POSITIONS OF UPPER AND LOWER SHAFTS

When the setting mark (A) on the cam (B) is exactly at the top, the spring pin (E) is vertically straight and
the setting mark (C) on the belt wheel (D) should be in the position as shown.
Setting mark (A)
Cam (B)
Setting mark (C)
Spring pin (E)
Belt wheel (D)
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