Changing Light Bulb - Toyota EC-1 Series Instruction Book

PROBLEM
PROBABLE CAUSE CORRECTION
The material
Upper or lower thread tension too tight
P,12, P.18
puckers Stitch too long for material
P.16
Thread too thick
P.15
Incorrect threading of upper or lower thread
P.11. P.13
Breaking needle Needle not correctly inserted
P. 7
Needle bent
P. 7
Needle clamp screw too loose
P. 7
Upper thread tension too tight
P. 18
Needle too fine for the material
P,1 5
Dials have been changed while the needle
P.16, P.19
was down in the material
Zigzag width set more than 2.5 while twin
needle was attached
If trouble is still apparent in the machine, please consult your nearest dealer.
Do not try to correct fault by yourself.
For adjusting the tension of any belts, please do not try to adjust it by yourself
but contact your nearest dealer
Changing Light Bulb
Unplug the machine.
Open face cover as shown.
Remove bulb by unscrewing it
in counterclockwise.0
Install a new bulb by screwing it
in clockwise.
* In case face cover is fixed by
a screw, open face cover after
loosening a screw by screw
driver
-Important-
Do not operate with cover open.
-35-