JUKI ACF-172-1790 Instruction Manual page 16

7) Adjusting the air blower for the needle bar
When dust collected on the needle bar area falls
and is caught in the seams, adjust the direction and
strength of the air blower.The air blower blows dust
away and prevents dust from falling under
needle. For the direction of the air blower, correct
the installation of the pipe.Adjust the air blower so
that air blows as near as the machine arm jaw area.
Air blow pipe
Press and turn the manual switch of solenoid valve
No. 7 to check the motion.Strength of the air blow
is adjusted with the speed controller.When the
manual switch of solenoid valve No. 7 is pressed
and turned, the pusher is actuated and
simultaneously the needle bar air blower is actuated.
Return the manual switch after the adjustment since
the manual switch is locked with it pressed and
Manual switch
turned.Adjust the speed controller located on the
black pipe branched from the yellow pipe connected
Solenoid valve No. 7
from solenoid valve No. 7.
Air blow is actuated during machine operation when
continuously performing sewing. Take care not to
excessively increase the amount of air to be blown
9.5 0.5mm
so that the sewing is not affected.
Standard adjustment value : 9.5 0.5 mm
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