White 1268 - Page 27

25
TROUBLE
CHART
Probable
Cause
Correction
Thread
or
lint
in
race
way
1.-
With
take-up lever
in
highest
position,
tilt head
back
on hinges
and
remove
bobbin
case.
ROSBIN
NOTCH
AC
CASE
BoBBIN
I
•
LATCH
/
i
RACE
COVER
HOOK
,Lt.Mfs
2.-
Turn clamps
downward
and
remove
race
cover.
3.-
Remove
hook.
4.-
Clean
thread
and
lint
from
all parts, in
cluding
race.
5-
Run
a drop
of oil
along
rim of hook.
6-
Replace
hook, then
race cover.
Snap
clamps
into
place.
7.-
Grasp
threaded
bobbin
case
by
latch
and
replace,
fitting tongue
into
notch
of race
cover.