35
17) Adjustment of the thread tension release
The standard opening level of thread tension-adjusting disc① is 0.8~1.0 mm. Adjust the tray as described below.
A. Disassemble the upper lid with the dial set at “1”.
B. Push down the pressure bar lifter to lower the presser foot
C. Press the solenoid plate② towards the arrow direction
D. After loosening nut③, turn the cam nut④ around and check if the tray① opens to a width of 0.8 ~1.0 mm. Then securely tighten the
nut③.
E. Reassemble the upper lid after adjustment.
[ Fig. 60 ]
①
④
②
④
0.8~1.0mm
③
①
To Next Page
Loading...
