White Sewing 793 - Troubleshooting

—
•
_____
I
44
TROUBLE
CHART
Trouble
Probable
Cause
Correction
1.
With take-up
lever
in
highest
position,
tilt
head back
on hinges
and
remove
bobbin
case.
BOBBIN
BOBBIN
NOTCH
RACE
iflI
LATCH
RACE COVER
HOOK
CLAMPS
If
Machine
Thread
or
lint
in
Binds
race
way
2.
Turn
clamps
outward
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
shuttle.
6.
Replace
shuttle,
then
race
cover.
Snap
clamps
into
place.
7.
Grasp
threaded
bobbin
case
by
latch
and
replace,
fitting
tongue
into
notch
of
race
cover.