19) S Econd Thread Tension Connection/Disconnection - JUKI LK-1900B Series Engineer's Manual

(19) Second thread tension connection/disconnection
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
1. Loosen the setscrew ❷ .
2. Remove the two setscrew ❹ .
3. Move the AT link unit (front) ❸ downwards (in the direction of the Arrow A ), and pull out the pin block
❺ from the hole of the thread tension releasing pin ❻ of the second thread tension ❶ .
4. Pull out the second thread tension ❶ to remove it. (Arrow B )
5. For reassembly, follow the steps of 4. to 1. above.
Procedures of disassembling/assembling
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