APPLICATION OF THE INSTRUCTION MANUAL (SUPPLEMENT)
This Instruction Manual (supplement) gives additional explanation to the Instruction Manual for the respective
models of sewing machines.
Applicable models
Machine type Model
Flat-bed type LU-2200N-7 series, LU-1500N/1520NC-7 series,
DNU-1541-7, DU-141H-7, LZH-1290-7
Cylinder-bed type LS-1342-7, DSC series, DSU series
Post-bed type PLC-1700 series
CONTENTS
1. SETTING OF THE MOUNTED MACHINE HEAD ......................................................................................1
2. INSTALLING THE SYNCHRONIZER .........................................................................................................2
3. INSTALLING THE OPERATION BOX ....................................................................................................... 4
4. INSTALLATION OF AK/AIR DEVICE .........................................................................................................6
(1) INSTALLATION OF AK/AIR DEVICE .....................................................................................................6
(2) AIR HOSE PIPING ................................................................................................................................6
(3) INSTALLATION OF THE KNEE SWITCH .............................................................................................8
(4) FUNCTION SETTING OF THE KNEE SWITCH ...................................................................................9
(5) HOW TO USE ......................................................................................................................................10
(6) ADJUSTING THE LIFT OF THE PRESSER FOOT .............................................................................10
5. CONNECTING THE CORDS .................................................................................................................... 11
6. THREADING THE PANEL THREAD GUIDE ............................................................................................14
7. ONE-TOUCH UTILITY MANUAL REVERSE FEED STITCHING ............................................................14
8. FRONT TIE STITCHING ...........................................................................................................................14
(1) HOW TO OPERATE ............................................................................................................................ 14
(2) POSITION OF THE SWITCH ..............................................................................................................14
9. RELAY CORD ...........................................................................................................................................15
10. LU-2220N-7 NEEDLE THREAD CLAMP FUNCTION ..............................................................................17
11. LU-2200N-7 SERIES THICK THREAD CUTTING ..................................................................................18
12. HOW TO COPE WITH THE NEEDLE BAR DOWN WHEN THE MACHINE MAKES A DOWN
POSITION STOP .......................................................................................................................................19
13. TABLE OF SC-922 FUNCTION ITEMS IN ACCORDANCE WITH THE ADDITIONAL DEVICES .........20
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