Service Manual
46
Removal:
Replacement:
1-
1-
100 101
Remove the free arm extension table, tension assembly dial, the knobs of the zig-zag and needle
position levers, all covers (face plate, rear, bottom bed and front), 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 two belt drive pulley screws (A) sufficiently to remove it.
3- Loosen the two feed lifting cam 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.
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 43- 44 and "Vertical shaft end play" on pages 54-55 for
gear setting procedure.
4- Check feed dog height and adjust if necessary.(See pages - )
Vertical shaft
P/N 357773-002
MAY/00
Rev. n .
o