Adjusting The Height And Clearance Of The Needle Guard; For 1-Needle Or 2-Needle Overlock Machine; For Safely Stitch Machine - JUKI MO-6800S Series Engineer's Manual

(7) Adjusting the height and clearance of the needle guard

WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.

1) For 1-needle or 2-needle overlock machine

Make the needle guard ❸ lightly come in contact with the top end of needle ❷ (bend needle ❷ by 0 to
0.05 mm) when the needle ❷ (left needle for the 2-needle model) is at the lowest point of its stroke.
The clearance between needle guard ❹ and the needle ❷ is 0.1 to 0.2 mm when the needle ❷ is at
the lowest point of its stroke.
Needle guard ❸
❷
❶

2) For safely stitch machine

The safely stitch machine has four needle guards, ❸ , ❹ , ❾ and  . The needle guards ❸ and ❹ are
positioned in the same manner as those for the overlock machine.

0.1 to 0.2 mm
Standard adjustment
Lightly touches
❷
❸
❸
❺
❽

❷
Lightly
touches
❾
Needle guard ❹
❻
❹
❷
❾

– 14 –
Throat plate
❹
0.1 to 0.2 mm
❷
❸
❺
❹
❻
❷