HappyJapan HCH-701-30, Maintenance Manual

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Exchange of pressure foot link and block
3-2-13
1. Referring to [3-2-4 Exchange of needle bar driver],
remove the Head shaft and remove the Needle bar
driver ass'y.
2. Loosen the screw which fixes guide shaft
then move the guide shaft lower.
3. If you exchange block ass’y, loosen the screw which fixes
pressure foot link A then remove block ass’y.
4. If you remove the pressure foot link B ass’y, first remove
the pressure foot cam collar and pressure foot drive cam.
5. Remove pressure foot link B ass’y.
6. Assemble the parts by opposite procedure to terminate
this exchange.
When assembling each unit, please refer to each
procedure Instruction for assemble adjustment.
<Attention>
Position of guide shaft is attached to lowest and the side
of Head.