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CLEANING THE SHUTTLE RACE
Unplug the machine from the power supply.
Raise needle to its highest position and remove bobbin case.
Turn levers away from shuttle and lift out retaining ring and
shuttle, by grasping center pin.
To remove shuttle:
Clean the reverse side of feed dog with a small brush. Remove
lint and thread from all parts of shuttle and wipe with a lightly
Replace retaining ring polished side out, making sure the bottom
pin fits into notch. Lock retaining ring by turning levers back into
position, Refit bobbin case with bobbin.
Hold shuttle by center pin and fit carefully back into shuttle
race, forming perfect circle with shuttle driver..
CLEANING THE FEED DOG
It is necessary to keep the feed dog teeth always cleaned in order
to ensure smooth sewing.
2. Unscrew the needle plate set screws with a screw driver to take
off the needle plate from the machine.
3. With a brush, clean out dust and lint clogged on the feed dog
1. Remove the needle and the presser foot.
4. Refit the needle plate.