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TROUBLE CHART
Trouble
Probable Cause
-
Correction
If Machine
Thread or lint in
1—With take-up lever in highest position, tilt head back on hinges
Binds
race way
and remove bobbin
case.
.
BOBBIN
CASE BOBBIN
NOTCH
RACE
ccc
LATCH
RACE COVER HOOK CLAMPS
2—Turn clamps outward and remove race cover.
3—Remove hook.
4—Clean thread and lint from all
parts,
including race.
5—Run a drop of oil along rim of shuttle.
6—Replace shuttle, then race cover. Snap clamps into place.
7—Grasp threaded bobbin case by latch and replace, fitting tongue into
notch of race cover.
—32—
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