At Unit Connection/Disconnection - JUKI LK-1900AN Engineer's Manual

(21) AT unit connection/disconnection

1. Remove the set screw 2 of the AT link unit (front) 1 and take out the second thread tension 3 . (Refer
to "(20) Second thread tension connection/disconnection.")
2. Draw out the cotter pin 6 from the pin block 5 of the AT link unit (rear) 4 . Be careful not to drop the
washer 7 at that time.
* Work becomes easier if the main shaft motor is removed.
3. Lift the joint block 8 of the AT unit upwards and take it off the pin block 5 of the AT link unit (rear) 4 .
4. Draw out the AT link unit (front) 1 from the plane side (in the direction of the arrow E ) and remove it.
5. Remove the two set screws 9 and take out the AT solenoid unit !0 .
6. For reassembly, follow the steps of 5. to 1. above.
Close contact
Procedures of disassembling/assembling
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