− 94 −
Clean the flter element nsde the flter box once
every 4 months.
1. Blow air to the elements from inside
toward out side.
2. If the is heavily clogged, replace it
with a new one.
Filter
3-3. Cleaning the vacuum filter
Clean filter
2
of the fan located on the bottom sur-
face of the machne table (bed base) once every
week.
1) Pull the screen kt
1
n the drecton of the arrow
to remove t.
2) Wash the filter
2
under runnng water.
3) Reinstall the filter
2
and the screen kt
1
.
Hole under
table for fan
Table
Hold knob
2
and open hook cover
1
. Then re-
move dust (thread waste and cloth waste) near
bobbn case
3
.
If dust collects near the bobbin case,
sewing is deteriorated.
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.
1
2
3-1. Removing dust near the bobbin case
3-2. Cleaning the cooling filter
1
3
2
3. DAILY MAINTENANCE
Содержание AC-172N-1790
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