Singer H74 Instruction Manual 2 - Page 79
Maintenance - bobbin case
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MAINTENANCE 3 4 5 6 ab 33 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. 44 Lift up the bobbin case and remove it. 55 Clean the hook race, feed dog and bobbin case with a brush. Also clean them, using a soft, dry cloth. 66 Replace the bobbin case into the hook race so that the tip (a) fits to the stopper (b) as shown. 74
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74
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
5
6
3
4
5
6
3
4