Service Manual
Removal:
Replacement:
1. Remove the free arm extension table, all covers, the head end assembly, the buttonhole
assembly, the take-up lever assembly, camstack, hand wheel, horizontal shaft and
vertical shaft bevel gear.
2. Loosen the screws (A) of the belt drive pulley (B) sufficiently to remove it.
3. Loosen the screws (C) and (D) sufficiently to remove the vertical shaft
4. Draw vertical shaft (F) up out of machine with plastic washer and the felt, removing also
feed cam (E) with the washer.
1. Replacement is the same as removal in reverse order.
2. When replacing feed lifting cam (E) find the screw (D) nearer to the groove in the cam
hub on the flat of vertical shaft (F).
3. Refer to "Vertical shaft bevel gear" on pages 41-42 and "Vertical shaft end play" on pages
52-53 for gear setting procedure.
4. Check feed dog height and adjust if necessary.(See pages 92-93)
Vertical Shaft
44
Rev. n .
o
358487-001 Mar./2005
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