4) Spool cover
❺
5) Bottom cover
❾
○ Remove setscrews 4 and 5 from the thread tension cover.
Remove the thread tension cover.
○ Remove setscrews 6 to !0 from the spool cover.
○ R emove the bobbin winding motor junction cable from the junction connector.
○ Remove the spool cover from the main unit of the machine, paying attention to
the base tension.
❹
❸
❼
❽
❻
Base tension
○ Remove setscrews ❾ to of the bottom cover B (on the handwheel side) to
detach the bottom cover B.
○ Remove setscrews to of the bottom cover A (on the frame side). Draw
out the bottom cover A in the direction of the arrow while pushing up the tip of
the cover.
– 6 –
Junction connector