Thread Trimmer Cam Position Adjustment And Connection / Disconnection; Thread Trimmer And Presser Foot Origin Sensor Adjustment - JUKI LK-1900A Series Engineer's Manual

(11) Thread trimmer cam position adjustment and connection / disconnection

1. Loosen the two set screws
2. Loosen the two set screws
3. Remove the four set screws
cases, the bearing
of the arrow straightforward in order not to hurt the bearing
At that time, the cam

(12) Thread trimmer and presser foot origin sensor adjustment

In the state of origin retrieval (Start Switch ON) in the test mode CP-6, the standard holes
sewing machine frame come to coincide with the standard hole
cam .
B
C
Procedures of disassembling
of the thread trimmer cam (cam hereafter)
and remove the sensor slit
and take out the presser lifting motor
and the motor shaft seem to be tightly coupled. Pull out the motor shaft in the direction
may come down. Handle it with care, not to damage it.
Standard Adjustment
E
D
.
in the direction of the arrow. In some
.
of the thread trimmer and presser bar lifter
C
A
B
– 18 –
.
Flat section
and
A B
of the
A