Trouble chart, Trouble chart -34 – SINGER W951 User Manual

Page 33

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TROUBLE CHART

Trouble

Probable Cause

Correction

If Machine
Binds

Thread or lint in

race way

1—With take-up lever in highest position, tilt head back on hinges

and remove bobbin rase.

BOBBIN

CASE BOBBIN NOTCH

RACE

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 rase by latch and replace, fitting tongue into

notch of race cover.