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Table of Contents
1. SAFETY RULES ------------------------------------------------------------------------------------- 6
1) MACHINE DELIVERY------------------------------------------------------------------------------------ 6
2) MACHINE INSTALLATION----------------------------------------------------------------------------- 6
3) MACHINE REPAIR ---------------------------------------------------------------------------------------- 6
4) MACHINE OPERATION---------------------------------------------------------------------------------- 7
5) SAFETY DEVICE------------------------------------------------------------------------------------------- 7
6) PLACEMENT OF CAUTION STICKERS------------------------------------------------------------- 8
7) CONTENTS OF CAUTION STICKERS --------------------------------------------------------------- 8
2. ENTIRE STRUCTURE ----------------------------------------------------------------------------- 9
3. SPECIFICATIONS ----------------------------------------------------------------------------------- 10
4. INSTALLATION--------------------------------------------------------------------------------------- 11
1) ADJUSTING BELT TENSION--------------------------------------------------------------------------- 11
2) BELT COVER INSTALLATION------------------------------------------------------------------------ 11
3) TREADLE CONNECTION ------------------------------------------------------------------------------- 11
5. DIRECTION OF PULLEY ROTATION--------------------------------------------------------- 12
6. LUBRICATION---------------------------------------------------------------------------------------- 12
1) OIL ------------------------------------------------------------------------------------------------------------- 12
2) LUBLICATING OIL---------------------------------------------------------------------------------------- 13
3) OIL GAUGE / OIL WINDOW---------------------------------------------------------------------------- 13
4) MANUAL LUBRICATION------------------------------------------------------------------------------- 13
5) SILICONE OIL OF HR DEVICE------------------------------------------------------------------------- 14
6) LUBLICATING OIL CHANGE-------------------------------------------------------------------------- 14
7) OIL FILTER CHANGE ------------------------------------------------------------------------------------ 14
8) ADJUSTMENT OF OIL FLOW RATE OF THE UPPER LOOPER ------------------------------ 15
7. STANDARD ADJUSTMENTS ------------------------------------------------------------------- 16
1) NEEDLE ------------------------------------------------------------------------------------------------------ 16
2) NEEDLE REPLACEMENT------------------------------------------------------------------------------- 16
3) THREAD TENSION ADJUSTMENT------------------------------------------------------------------- 17
4) PRESSER FOOT PLACEMENT / REMOVAL ------------------------------------------------------- 17
5) PRESSER FOOT PRESSURE ADJUSTMENT ------------------------------------------------------ 17
6) PRESSER FOOT STITCH WIDTH ADJUSTMENT ------------------------------------------------ 18
7) DIFFERENTIAL FEED RATIO ADJUSTMENT----------------------------------------------------- 19
8)
MAX./MIN. DIFFERENTIAL FEED RATIO (feeding volume of the main feed dog)
--------------------- 19
9) FEED DOG CHANGE ------------------------------------------------------------------------------------- 20
10) HEIGHT OF FEED DOG--------------------------------------------------------------------------------- 20
11) GRADIENT OF FEED DOG ADJUSTMENT ------------------------------------------------------- 21
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