5-9
5-6) UPPER THREADING AND TENSION ADJUSTMENT
1) Upper Threading
Upper thread
stand
Upper thread
(from the upper
thread stand)
Sub thread
adjuster
Thread tension
adjustment board
Thread detecting
roller
Thread detecting
board
Take-up lever
spring
Rotary tension
disk
Main thread
tension adjuster
Upper thread
guide
Thread guide
(upper)
Take-up lever
Thread guide
(middle)
Thread guide
(lower)
Upper thread
holder spring
Presser foot
Needle
[Fig.5-10]
[NOTE]
Do NOT stand on the table when threading the upper thread stand. The table may be damaged.