Brother BAS-340 - Up_Per Shaft Mechanism

III Up_per shaft mechanism
1} Remove the screw 0 and the thread trimming solenoid@.
2) Remove the screw@) and the wick support 0.
3) Remove the screw 0 and the upper part of the crank rod assembly@.
4) Loosen the set screw G and remove the pulley@.
5) Remove the screw @)
1
the synchronizer support ®
1
the synchronizer support packing tD
1
the
synchronizer@ and the synchronizer packing@.
6) Attach the pulley@ to the upper shaft ID.
7) Loosen each screw or set screw of the thread take-up crank @,the connecting rod partition plate (@
1
the
set collar
0
1
the intermittent presser cam 4ID I the bobbin winder pulley @ and the thread trimmer cam
w.
8) Loosen the set screw 0 of upper shaft bush (R) fD and remove the upper shaft ID with the pulley.
(The thread take-up crank @,the connecting rod partition plate (@,the set collar 0 I the intermittent
presser cam 4ID, the bobbin winder pulley @I the thread trimmer cam W and upper shaft bush (R) fD will
come off from the upper shaft respectively.)
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From the library of: Superior Sewing Machine & Supply LLC