White 816 - Trouble Chart

39
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.
LINT
CLEANER
NOTCH
BOBON
SEiØEp\:P
LATCH
RACE
COVER
OK
CLAMPS
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
shuttle,
then
race
cover.
Snap
clamps
into
place.
7—Grasp
threaded
bobbin
case
by
latch
and
replace,
fitting
tongue
into notch
of
race
cover.