Trouble chart – SINGER W712 User Manual
Page 28
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El.
m
27
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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№
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