Daily Maintenance; Removing Dust Near The Bobbin Case; Cleaning The Cooling Filter; Cleaning The Vacuum Filter - JUKI AC-172NN-1790 Instruction Manual

3. DAILY MAINTENANCE

3-1. Removing dust near the bobbin case

2
1

3-2. Cleaning the cooling filter

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.
Table

3-3. Cleaning the vacuum filter

Filter
3
Hole under
table for fan
2
1
− 94 −
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.
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 .
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.