User ManualTable of ContentsRH-981A COVER1SAFETY INSTRUCTIONS21. Safety indications and their meanings22. Notes on safety33. Warning labels5CONTENTS61. NAMES OF EACH PART82. SPECIFICATIONS92-1. Specifications92-2. Sewing shape102-3. Optional parts102-4. PD-9810, Programmer102-5. Replacement parts list for specification changes113. INSTALLATION123-1. Table processing diagram123-2. Installing the motor133-3. Installing the motor pulley143-4. Installing the control box143-5. Installing the machine head153-6. Installing the oil container173-7. Installing the operation panel173-8. Tightening the V-belt183-9. Installing the spool stand193-10. Installing the hand switch193-11. Installing the air unit and the valve unit193-12. Connecting the wiring203-12-1. Connections inside the control box213-12-2. Connecting the motor cables223-12-3. Connecting the air tubes223-12-4. Securing the cables233-13. Installing the air tubes243-13-1. Adjusting the air pressure243-14. Connecting the power cord253-15. Installing the programmer (sold separately)263-16. Installing the foot switch (option)263-17. Installing the indexer (option)273-17-1. Installing the indexer main unit273-17-2. Installing the upper thread presser283-17-3. Replacing the plate presser and presser plate283-17-4. Installing the valve unit283-17-5. Connecting the connectors293-17-6. Connecting the air tubes303-17-7. Securing the air tubes and cables303-17-8. Installing the hand switch314. LUBRICATION324-1. Adding oil324-2. Lubrication325. CORRECT USE345-1. Data initialization345-2. Changing the lower thread and gimp trimming345-3. Installing the needle355-4. Threading the upper thread355-5. Threading the lower thread365-6. Threading the gimp375-7. Setting the material385-8. Setting the installation position for cloth feed plate (L) (-52 specifications)405-9. Replacing the PROMs416. OPERATION426-1. Name and function of each operation panel item426-2. Starting up436-3. Program setting method446-3-1. Parameter table (Taper bar)446-3-2. Parameter table (Straight bar tacking)476-4. Cycle program506-5. Production counter516-6. Using the program memos517. SEWING527-1. Automatic sewing527-2. Using the EMERGENCY STOP switch537-3. Adjusting the thread tension547-4. Needle and knife position557-5. Setting the feed bracket to the front position567-6. Switching between single-pedal and dual-pedal operation567-7. Using test feed mode577-8. Using manual mode587-9. Changing the mode during an operation597-10. Moving the cloth feed bar (-52 specifications)598. CLEANING AND MAINTENANCE608-1. Cleaning608-2. Draining the oil618-3. Checking the air filter619. STANDARD ADJUSTMENTS629-1. Adjusting the height of the spreader and looper629-2. Adjusting the needle and looper timing639-3. Adjusting the loop stroke649-4. Adjusting the height of the needle bar659-5. Adjusting the clearance between the looper and needle659-6. Adjusting the needle guard669-7. Adjusting the spreader mounting positions669-8. Adjusting the spreader timing679-9. Adjusting the needle racking width (stitch width)679-10. Changing the knife cutting length (Replacing the hammer)689-11. Adjusting the contact between the knife and the hammer699-12. Replacing the knife709-13. Adjusting the cutting pressure709-14. Adjusting the position of the work clamp plate719-15. Adjusting the cloth opening amount729-16. Adjusting the trimming of the upper thread739-17. Adjusting the trimming of the lower thread and gimp739-18. Adjusting the gimp length after trimming (-02, -52 specifications)749-19. Lower thread presser (-02, -52 specifications)749-20. Auxiliary clamp arm (-02, -52 specifications)759-21. Adjusting the cloth feeding speed (-52 specifications)759-22. Adjusting the cloth feed bar home position (-52 specifications)769-23. Adjusting the indexer hole spacing (-52 specifications)779-24. Adjusting the position of limit switch L (-52 specifications)789-25. Adjusting the position of limit switch R (-52 specifications)7810. CHANGING FUNCTIONS USING THE MEMORY SWITCHES7910-1. Memory switch table8011. CHANGING FUNCTIONS USING THE DIP SWITCHES8111-1. Panel DIP switches8111-2. Circuit board DIP switches8212. LIST OF ERROR CODES8413. TROUBLESHOOTING87COVER89Size: 1.71 MBPages: 89Language: EnglishOpen manual