JUKI MO-6800S Series Engineer's Manual page 47

Adjustment procedures
Perform the adjustment by the setscrews.
Position of the needle thread guide ❶ and needle thread take-up
lever ❷ is a very important decisive factor when making soft chains
since the needle thread take-up amount is increased in this case.
So, carefully position these parts.
1) Positioning the needle thread take-up lever and the needle
thread guide
Excluding 30P and 60H 6.5
30P
60H
2) Positioning the looper thread take-up lever and the looper
thread guide
Model
MO-6804S 11.5 17.5 20 28.5
MO-6814S-2 H 21.5 14.5 28
MO-6814S-3 H 21.5 14.5 28
MO-6814S-4 H 21.5 14.5 25 28.5
MO-6814S-30P 11.5 17.5 20 28.5
MO-6816S-3 H 21.5 17.5 20 28.5
MO-6816S-50H 33.5 10.5 20 28.5
MO-6816S-60H 33.5 10.5 20
MO-6816S-30P 21.5 10.5 28
MO-6814S
A B C A
6 5.5 8.5
6.5 6 5.5 11.5 11
7.5
(Unit : mm)
A B C D E
11
32 11
32 11
9
9
9
9
38 9
35 15
Results of Improper adjustment
(Unit : mm)
MO-6816S
B C D
8 14 12
13 13
8 14 13
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