Trouble Chart - Toyota 9600 Instruction Book

26.

TROUBLE CHART

Trouble
Machine does
not sew
Making noise
Running slowiy
Breaking upper
thread
Breaking lower
thread
Skipping
stitches
Probable Cause
Not plugged in properly.
Power supply switch is not on.
Thread is stuck in the hook groove.
Spindle is push to right.
Top cover is removed.
Lack of oil.
Fluff or thread stuck in rotary hook.
Fluff stuck In feed dog.
Machine kept in a very cold or very
hot place.
Improper upper threading.
Upper thread tension too tight.
Bent or blunt needle.
Improper needle setting.
Removing fabric when take-up lever
is not in the highest position.
Upper thread too thick or too thin
for needle used
Needle hole on needle plate damaged.
Thread not wound evenly on bobbin
or not drawn up correctly.
Lower thread tension too tight.
Fluff stuck in bobbin case and inside
tension spring.
Improper lower threading.
Improper needle setting.
Bent needle.
Improper needle and
Leave
.
room
or thread for fabric.
I
-39-
Correct Operation
P.5
P.5
P.35
P.7
P. 37
P. 36, 37
p. 35
p. 35
machine in a normally warm
or a few hours before use .
P.9
P. 16
P.6
P.5
-
P. 14
-
P.7
P.16
P.35
P.8
P.5
P.6
p. 14