JUKI MO-6700D Series, Руководство пользователя

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Trouble Case (1) Case (2) Check and Corrective measures Page
16. Uneven double chain stitches Thread tension The looper thread tension is not enough. Slightly increase the tension.
Presser foot The presser foot comes into contact with Make the presser foot come into contact with
the throat plate unevenly. the throat plate evenly.
The presser foot pressure is not enough. Increase the presser foot pressure.
17. The looper thread bulges out Knife width The knife width is too small for the Use a knife having width suited to the
overedging width. overedging width.
Looper thread take-up adjustment The looper thread take-up draws out Decrease the radius of the looper thread take-up 36
excessive looper thread. (left) (reduction in dimension I). Raise the looper
thread take-up (right) (increase in distance O).
18. Looper thread bite Knife width The knife width is too large for the Use a knife having width suited to the
overedging width. overedging width.
Adjustment of the looper thread take-up The looper thread take-up draws out Increase the radius of the looper thread take-up 36
insufficient amount of looper thread. (left) (increase dimension I). Lower the looper
thread take-up (right) (reduction in distance O).
19. Knotting position is not correct. Threading Re-threading after thread breakage,etc. See the threading diagram.
has been done erroneously. (Refer to the Instruction Manual)
Adjustment of the looper thread take-up The height of the looper thread take-up Raise the looper thread take-up (left) to increase 36
(left) is not correct. the amount of upper looper thread, and the
knotting position moves toward the lower looper
side.
The upper looper thread guide (right) is Increase distance K.
too short.
Knots are deflected to
the upper looper side.
Right side
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