Adjustment Of The Thread Tail After The Trimming; Adjustment Of The Air Pressure - JUKI PLK-J6040R3 Technical Manual

6-8. Adjustment of the thread tail after the trimming

(1) Adjust the thread tail with the pre-tension (No.1).
(2) When turning the nut (No.2) clockwise, the thread tail becomes shorter. When turning the nut (No.2)
counterclockwise, the thread tail becomes longer.

6-9. Adjustment of the air pressure

If the secondary side air pressure is set too high, trouble such as operation faults may occur. Always
set the pressure to within 0.4MPa.
(1) Air pressure is provided from an air source. Lift and turn the air regulator's adjustment knob (No.1)
located under the table to adjust the air pressure.
(2) If turn the adjusting knob (No.1) to the clockwise, the air pressure is increased.
(3) If turn the adjusting knob (No.1) to counter clockwise, the air pressure is decreased.
(4) 0.4MPa (4kgf/cm2) is the standard air pressure as a normal sewing operation.
<1>
<2>
CAUTION
<1>
<1>: Adjusting knob
<2>: Air regulator
<2>
<1>: Pre-tension
<2>: Nut
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