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Trouble chart – SINGER W7911 User Manual

Page 18

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18

TROUBLE CHART

c

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p

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a

P

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‘■'""Trouble

Probable Cause

Correction

If

Machines

Binds

Threadier

lint

in

raceway

1—With

take-up

lever

in

highest

position,

tilt

head

back

on

hinges

and

remove

bobbin

case.

BOBBIN

CASE

CLAMPS

OBBIN

LATCH

2— Turn clamps outward and remove race cover.
3— Remove hook.
4— Clean Thread and lint from all parts, includ­

ing race.

5— Run a drop of oil along rim of hook.
6— Replace hook, then race cover. Snap clamps

into place.

T—Grasp

threaded

bobbin

case

by

latch

and

replace,

fitting

tongue

into

notch

of

race

cover.

See also other documents in the category SINGER Sewing machines: