Checking The Thread Paths (2) - ELNA eXpressive 970 Service Manual

Upper side
Lower side

Checking the Thread Paths (2)

Hook
Thread keeper
6. Needle plate
a) There should be burrs or scratches.
7. Presser foot
a) There should be no burrs or scratches,
especially inside of the presser foot hole.
b) There should be no warp in the presser
foot.
8. Hook race
a) There should be no burrs or scratches.
b) The tip of hook race should not be blunt.
c) There should be no detectable play in the hook
and hook race.
9. Thread keeper
a) There should be burrs or scratches,
especially on the tip of the thread keeper.
10. Check spring
a) The check spring should not be worn.
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