JUKI MO-6700D Series - 3. STANDARD ADJUSTMENT; (1) Adjusting the needle height; (2) Positioning the throat plate; (5) Adjusting the lower looper

(25) Adjusting soft chain making mechanism...............................................................38
1) Replacing the parts with those exclusively designed for making soft chains .....................................38
2) Adjustment value ................................................................................................................................38
3) Important points in adjustment ...........................................................................................................39
4. ADDITIONAL INFORMATION AND PRECAUTIONS.................................. 40
(1) Thread tension ............................................................................................................40
1) Strength of tension spring ..................................................................................................................40
2) Springs used for each model .............................................................................................................40
(2) Upper looper .............................................................................................................40
(3) Center-to-center distance of the upper looper holder ..........................................41
(4) Caution in assembly .................................................................................................41
1) Application of sealant .........................................................................................................................41
2) Precautions to be taken with respect to the lubricating components .................................................43
3) Applying the exclusive grease ............................................................................................................44
(5) Kinds of motor pulleys, belts and frame support plate bolts ...............................46
1) Motor pulleys and belts ......................................................................................................................46
2) Pat No. of frame support plate bolt ....................................................................................................46
5. ADJUSTMENT VALUES OF THE NEEDLE HEIGHT
AND LOOPER TIMING ................................................................................ 47
(1) MO-6700D SERIES ....................................................................................................47
6. TROUBLES AND CORRECTIVE MEASURES ........................................... 48
7. DIMENSIONS OF TABLE ............................................................................ 60
(1) Semi-sunken type .....................................................................................................60
(2) Semi-sunken type (synchronizer is used) ..............................................................61
(3) Fully-sunken type .....................................................................................................62