Table Of Contents; Specifications; Model Numbering System; Standard Adjustment - JUKI MO-6700D Series Manual

1. SPECIFICATIONS ..........................................................................................
(1) MO-6700D SERIES ...................................................................................................... 1
2. MODEL NUMBERING SYSTEM .................................................................... 2
3. STANDARD ADJUSTMENT .......................................................................... 4
(1) Adjusting the needle height ....................................................................................... 4
(2) Positioning the throat plate ....................................................................................... 4
(3) Installing position of the needle clamp .................................................................... 6
(4) Adjusting the length of the lower looper holder
(Applicable only to MO-6716D series) ...................................................................... 6
(5) Adjusting the lower looper ........................................................................................ 8
1) Returning amount of the lower looper ..................................................................................................8
2) Clearance between the lower looper and the needle ...........................................................................8
(6) Position of the upper looper guide ......................................................................... 10
(7) Positioning the upper looper holder ....................................................................... 12
(8) Positioning the upper looper ................................................................................... 14
1) Height of the upper looper ..................................................................................................................14
2) Longitudinal position of the upper looper ...........................................................................................14
(9) Adjusting the double chain looper (Applicable only to MO-6716D series) ......... 16
1) Returning amount of the double chain looper ....................................................................................16
2) Longitudinal motion (Avoid motion) ....................................................................................................16
3) Clearance between the double chain looper and the needle .............................................................16
(10) Adjusting the height and clearance of the needle guard ...................................... 18
1) For 1-needle or 2-needle overlock machine .......................................................................................18
2) For safely stitch machine ...................................................................................................................18
(11) Adjusting the height of the feed dog ...................................................................... 20
(12) Adjusting the tilt of the feed dog ............................................................................. 20
(13) Adjusting the differential feed ratio ........................................................................ 22
(14) Longitudinal position of the feed dog .................................................................... 22
(15) Adjusting the presser foot ....................................................................................... 24
1) Adjusting the tilt of the presser foo ....................................................................................................
2) Adjusting the micro-lifting mechanism of the presser foot .................................................................
(16) Positioning the upper knife arm shaft .................................................................... 26
(17) Positioning the upper and lower knives, and available overedge widths ........... 26
1) Lower knife .........................................................................................................................................26
2) Upper knife .........................................................................................................................................26
3) Overdging width .................................................................................................................................26
(18) Resharpening of the knife ........................................................................................ 28
(19) Position of the thread cam (Applicable only to MO-6716D series) ...................... 28
1) Adjustment of the thread cam ............................................................................................................28
2) Adjusting looper thread cam thread guides A and B and the looper thread cam nail ......................... 28
3) Adjusting looper thread auxiliary thread take-up lever (Exclusive for 30P) ........................................ 30
(20) Adjusting the throat plate support .......................................................................... 32
(21) Adjusting the feed mechanism cover presser ....................................................... 32
(22) Adjusting the looper cover ...................................................................................... 34
(23) Adjusting the cloth chip cover ................................................................................ 34
(24) Position of the thread guides and the looper thread take-ups............................. 36
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