Adjusting The Position Of The Spreader Thread Guide And Spreader Thread Take-Up - JUKI MF-7900 Series Engineer's Manual

(6) Adjusting the position of the spreader thread guide and spreader thread
take-up
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
Relation of the position between spreader thread take-up ❶ and spreader thread guide ❷ is the stan-
1.
dard when the top end of thread hole C of spreader thread guide ❷ aligns with the bottom end of slot
B of spreader thread take-up ❶ when spreader thread take-up ❶ is in its highest position.
Adjust the relation of the position so that thread is moderately stretched when spreader thread take-
up ❶ is in its highest position in accordance with thread used or conditions.
❶
B
❷
C
2. Standard position of the spreader auxiliary thread tension
Standard adjustment figure of the spreader auxiliary thread tension is the standard when the top end
of thread tension rod ❻ is flush with knob ❼ .
Standard adjustment
Highest position
B
❷
To align
❶
❺
❶
❷
A
❺
C
– 14 –
❸
❹
❹