White 535 - Troubleshooting

TROUBLE
CHART
Trouble
}
Probable
Cause
Correction
if
Machine
Thread
or
lint
in
1
—With
take
up
lever
in
highest
position,
tilt
Binds
raceway
head
back
on
hinges
and
remove
bobbin
case.
2—Turn
clamps
outward
and
remove
race
cover.
3—Remove
hook.
4—Clean
thread
and
lint
from
oil
ports,
includ
ing
race.
5—Run
a
drop
of
oil
along
rim
of
hook.
6—Replace
hook,
then
race
cover.
Snap
clomps
into
place.
7—Grasp
threaded
bobbin
case
by
latch
and
re
place,
fitting
tonque
into
notch
of
race
cover.
NOTCH
RACE
i
RACE
COVER
HOOK
CLLMPS