Brother BAS-340 - Upper Shaft Mechanism

lZJ Upper shaft mechanism (1)
1) Insert the upper shaft 0 into the arm through the rear. Insert the thread trimmer cam @ and attach it to
upper shaft bush (M) @). Pass the bobbin winder pulley 0, the intermittent presser cam 0, the
intermittent presser connecting rod @,the set collar fj and the connecting rod partition plate @
through upper shaft bush (F)@) in that order. ·
NOTE: For assembly, apply grease to the thread trimmer cam @,the intermittent presser cam 0 and the
intermittent presser connecting rod @.
2) Set upper shaft bush (R) {{!) with its oil hole facing up and insert it until the stop ring is in contact with the
arm. Then secure upper shaft bush (R) {{!)with the screw.
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From the library of: Superior Sewing Machine & Supply LLC