JUKI 35800 Series, Engineer'S Manual

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CONTENTS
1. Specifications ........................................................................................................ 1
(1) Roller mechanism/clutch type ............................................................................................... 1
(2) Roller mechanism/belt type ................................................................................................... 2
2. Model list ................................................................................................................ 3
(1) Model list using the roller mechanism of the clutch type ................................................... 3
(2) Model list using the roller mechanism of the belt type ....................................................... 3
3.
Description of US model code .................................................................... 5
4. Description of model code .......................................................................... 6
5. Names of machine head .............................................................................. 7
6. How to pass the threads.............................................................................. 8
(1) Differential feed ....................................................................................................................... 8
(2) 1 piece feed ............................................................................................................................. 9
7. Standard adjustment ............................................................................................
10
(1) How to remove the gauge components and upper feed roller ......................................... 10
(differential feed mechanism and 1 piece feed mechanism)
(2) Timing between the looper and needle bar ........................................................................ 12
(3) Adjustment of the needle entry positions in the right-left and front-rear directions ..... 14
(4) Looper adjustment ............................................................................................................... 16
1) Looper return .....................................................................................................................................16
2) Adjustment of the clearance between the looper and needle ............................................................ 16
(5) Adjustment of the needle bar height .................................................................................. 18
(6) Adjustment of the looper motion paths .............................................................................. 20
(7) Adjustment of rear needle guide ......................................................................................... 22
1) Longitudinal adjustment of the rear needle guide ..............................................................................22
2) Height adjustment of rear needle guide .............................................................................................22
(8) Adjustment of feed dog height and longitudinal movement
(differential feed dog mechanism) ...................................................................................... 24
1) Height of main feed dog .....................................................................................................................24
2) Height of differential feed dog ............................................................................................................24
3) Adjustment of longitudinal movement of main feed dog .................................................................... 24
4) Adjsutment of vertical height of main feed dog and differential feed dog .......................................... 24
5) Gradient of main feed dog and differential feed dog .........................................................................
24
(9) Adjustment of feed dog height and longitudinal movement
(1 piece feed dog mechanism) ............................................................................................ 26
1) Height of main feed dog .....................................................................................................................26
2) Adjustment of longitudinal movement of main feed dog .................................................................... 26
(10) Adjustment of feed mechanisms ........................................................................................ 28
1) Adjustment of stitch length .................................................................................................................28
2) Adjustment of differential feed amount ..............................................................................................28
(11) Presser adjustment .............................................................................................................. 30
1) Adjustment of amount of rise of presser ............................................................................................ 30
2) Adjustment of presser bar pressure ...................................................................................................30
(12) Adjustment of upper feed roller .......................................................................................... 32
(13) Replacement of upper feed roller ........................................................................................ 34
(14) Adjustment of drawing amount of upper feed roller ......................................................... 36