Trouble chart – SINGER W712 User Manual

Page 28

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El.

TROUBLE CHART

Probable Cause

Thread or lint in

raceway

Correction

1 —With take up lever in highest pohtion, tilt

head back on hinges and remove bobbin case.

BOBBIN

CASE

NOTCH

RACE

LATCH

RACE COVER

HOOK CLAMPS

2^Turn clamps outward and remove race cover.
3— Remove hook.

• i j

4 — Clean thread and lint from all parts, includ

ing race.

£ 1 1

5 — Run a drop of oil along rim of hoo£.
5 -....-Replace hook, then race cover, bnap damps

into place.

7 —Qrasp threaded bobbin case by latch and re

place, fitting tongue into notch of race cover.

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