108
(6) Cleaning the hook section
When cloth waste or the lke gathers around or ad-
heres to the hook secton, trouble (defectve sew-
ng, sezure of hook, etc.) of sewng machne wll be
caused. Perodcally clean the secton.
(7) Cleaning the rear cover of the control box
Clean the rear cover when dust or the lke gathers on t.
(8) Cleaning the operation panel screen
Do not wpe the operaton panel screen wth thnner or strong force.
Lghtly wpe the screen wth a dry and soft cloth or an alcohol-soaked cloth to clean t.
1) Hook shaft ol wck
1
s mounted on the top end
of hook shaft
3
. Remove the needle and the
parts around the needle (presser foot, needle,
throat plate, feed plate, hook and woodruff plate),
put a spanner, top end of whch s L-shaped to
the groove secton of hook shaft ol wck screw
2
,
turn the handwheel n the normal drecton of rota-
ton by hand, and draw out the screw.
2) Draw out hook shaft ol wck
1
from hook shaft
ol wck screw
2
whch has been drawn out and
push a new hook shaft ol wck
1
(JUKI Part No.
: 11015906) to hook shaft ol wck screw
2
(JUKI
Part No. B1808552000). At ths tme, be sure to
check that hook shaft ol wck
1
has entered up
to the end of hook shaft ol wck screw
2
.
* When re-assemblng, check that the hole at the top
end of hook shaft ol wck screw
2
s not broken.
3) Securely tghten hook shaft ol wck screw
2
to
the top end of hook shaft
3
.
L-shaped spanner
WArNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
(9) replacing procedure of the hook shaft oil wick
q
w
e