Thread Trimmer Presser Lifter Cam Connection/Disconnection; Thread Trimmer And Presser Origin Sensor Adjustment - JUKI AMS-221EN Series Engineer's Manual

(19) Thread trimmer presser lifter cam connection/disconnection

1. Loosen 2 setscrews
2. Loosen the 2 setscrews
3. Remove the 4 setscrews
cases, the bearing
of the arrow straightforward in order not to hurt the bearing
At that time, the cam

(20) Thread trimmer and presser origin sensor adjustment

When origin retrieval (at start switch on) is conducted in the test mode I07 the standard holes of the sewing
machine frame ( (ø3) and
A
cam .
B
Procedures of disassembling
securing the presser lifter and thread trimmer cam (hereafter called "cam")
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
) are aligned with the standard hole
B
C
.
in the direction of the arrow. In some
.
Flat section
A
of the thread trimmer and presser lifter
C
– 32 –
E
D
(ø3)
A
.