Singer H74 Instruction Manual page 79

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_Remove
the
needle,
foot
and
presser
presser foot holder. Remove
the
bobbin
cover ptate and bobbin. Remove the screw
holding the needle plate and remove the
needle plate.
_Lifl
up the bobbin case and remove it.
_
Clean the hook
feed dog and bobbin
race,
case with a brush. Also clean them, using a
soft, dry cloth.
_
Replace the bobbin case into the hook race
so that the tip (a) fits to the stopper (b) as
shown.
a
b
14

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