JUKI LK-1900AN, Руководство инженера, Страница: 42 / 140

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(21) AT unit connection/disconnection
Procedures of disassembling/assembling
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.
Solenoid side
Close contact