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Service Manual
Removal:
1. Remove the free-arm extension table, all the covers, needle bar, needle threader,
needle bar vibrating bracket, face plate and lam mounting plate, the stitch length
and buttonhole control assembly, the thread take-up lever assembly, the disc stack
shaft gear and bracket assembly, the handwheel and the 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 feed cam (E) with the washer.
Replacement:
1. Replace these parts the same way as described above, but in a 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 End Play" on pages 68-69 and to "Vertical Shaft Bevel Gear" on
pages 61-62.
4. Check feed dog height and adjust if necessary.(See pages 122-123).
Rev. n .
o
AGO/03
Vertical Shaft
64
359109-000 AGO/03
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