Singer 9340 - Cleaning the Hook Mechanism

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MAINTENANCE
3 Remove the needle, presser foot and
presser foot holder. Remove the bobbin
cover plate and bobbin. Remove the screw
holding the needle plate and remove the
needle plate.
4 Lift up the bobbin case and remove it.
5 Clean the hook race, feed dog and bobbin
case with a brush. Also clean them, using a
soft, dry cloth.
6 Replace the bobbin case into the hook race
so that the tip (a) fits to the stopper (b) as
shown.
a
b
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