Adjusting The Height And Clearance Of The Needle Guard; For 1-Needle Or 2-Needle Overlock Machine; For Safely Stitch Machine - JUKI MO-6000S series Engineer's Manual

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

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

Make needle guard A lightly come in contact with the top end of needle (bend needle by 0 to 0.05
mm) when the blade point of the lower looper reaches the needle center.
The clearance between needle guard B and the needle is 0.1 mm when the needle is at the lowest
point of its stroke.
The height of needle guard B is 1 mm from the throat plate bottom surface.
Needle guard
(Traveling needle guard)
A

2) For safely stitch machine

The safely stitch machine has four needle guards, A, B, C and D. The needle guards A and B are
positioned in the same manner as those for the overlock machine.
The needle guard C should be positioned 5 mm below the throat plate bottom surface.
2
Standard Adjustment
A
Light
touch
the
needle
guard
1
5
Throat plate
B
4
3
Throat plate
2
5 mm
D
Lightly touches
C
22
B
Needle guard
1 mm
B
0.1 mm
3