ACE&EASTMAN Rh 981A Service I3080846H User Manual
2016-09-25
User Manual: ACE&EASTMAN Rh-981A Service
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- RH-981A SERVICE MANUAL
- SAFETY INSTRUCTIONS
- CONTENTS
- 1. MECHANICAL DESCRIPTIONS
- 1-1. Upper and lower shaft mechanisms
- 1-2. Needle bar mechanism
- 1-3. Thread take-up mechanism
- 1-4. Zigzag mechanism
- 1-5. Needle bar rocking mechanism
- 1-6. Feed mechanism
- 1-7. Work clamp mechanism
- 1-8. Cloth opener mechanism
- 1-9. Cutter mechanism
- 1-10. Looper mechanism
- 1-11. Spreader mechanism
- 1-12. Double chain stitch looper mechanism
- 2. DISASSEMBLY
- 2-1. Covers and work clamp mechanism
- 2-2. Feed mechanism
- 2-3. Lubrication mechanism
- 2-4. Looper and spreader mechanisms
- 2-5. Needle bar rotating mechanism
- 2-6. Looper base mechanism
- 2-7. Needle bar, thread take-up, and zigzag mechanisms
- 2-8. Knife pipe assembly
- 2-9. Lower shaft mechanism
- 2-10. Synchronizer mechanism
- 2-11. Upper shaft mechanism
- 2-12. Cutter mechanism
- 2-13. Zigzag fork mechanism
- 3. ASSEMBLY
- 3-1. Zigzag fork mechanism
- 3-2. Cutter mechanism
- 3-3. Upper shaft mechanism
- 3-4. Lower shaft mechanism
- 3-5. Upper thread trimmer mechanism
- 3-6. Knife pipe and the knife bracket
- 3-7. Driving gear shaft mechanism
- 3-8. Needle bar, thread take-up, and zigzag mechanisms
- 3-8-1. Eliminating end play of the thread take-up on the arm
- 3-8-2. Applying grease to the ends of the thread take-up spring
- 3-8-3. Eliminating end play of the needle bar driving lever
- 3-8-4. Eliminating end play of the driving rod
- 3-8-5. The strength to tighten the set screw of ball bearing 25/20
- 3-8-6. Eliminating end play of the zigzag rock shaft
- 3-8-7. Eliminating end play of the zigzag lever
- 3-8-8. Attaching the needle bar yoke and the needle bar level feed link
- 3-8-9. Attaching the needle bar bush U and the needle bar
- 3-8-10.Eliminating end play of the needle bar block
- 3-8-11.Adjusting the needle bar in the radial direction
- 3-8-12.Attaching the needle bar block assembly
- 3-8-13.Adjusting the height of the needle bar
- 3-9. Looper base
- 3-10. Needle bar rocking mechanism
- 3-11. Looper and spreader machanisms
- 3-12. Lubrication mechanism
- 3-13. Feed mechanism
- 3-14. Synchronizer
- 3-15. Covers and work clamp mechanism
- 3-16. Safety switch
- 4. ADJUSTMENT
- 4-1. Adjusting the work clamp lift height
- 4-2. Adjusting the position of the work clamp plate
- 4-3. Adjusting the cloth opening amount
- 4-4. Adjusting the position of the work clamp
- 4-5. Adjusting the X-axis home position
- 4-6. Adjusting the Y-axis home position
- 4-7. Adjusting 0 position (reference line) of the needle
- 4-8. Adjusting the home position of the looper base
- 4-9. Fine adjustment of knife position
- 4-10. Adjusting the sideways movement of the cutter lever
- 4-11. Adjusting the height of the throat plate
- 4-12. Adjusting the height of the spreader and looper
- 4-13. Adjusting the needle and looper timing
- 4-14. Adjusting the loop stroke
- 4-15. Adjusting the height of the needle bar
- 4-16. Adjusting the clearance between the looper and needle
- 4-17. Adjusting the needle guard
- 4-18. Adjusting the spreader mounting positions
- 4-19. Adjusting the spreader timing
- 4-20. Adjusting the amount to pull the upper thread and tension release
- 4-21. Adjusting upper thread trimming
- 4-22. Adjusting the lower thread trimmer (-01 specification)
- 4-22-1. Adjusting the knife pressure
- 4-22-2. Adjusting the position of the thread trimmer arm
- 4-22-3. Adjusting the thread clamp assembly and thread clamp opener
- 4-22-4. Adjusting the thread handler
- 4-22-5. Adjusting the thread guide plate
- 4-22-6. Adjusting the amount to pull the lower thread required for thread trimming
- 4-22-7. Adjusting the amount to pull the lower thread for safety stitching
- 4-22-8. Adjusting the amount to pull the gimp
- 4-23. Adjusting the lower thread trimmer (-02, -52 specifications)
- 4-23-1. Adjusting the knife engagement
- 4-23-2. Adjusting the knife pressure
- 4-23-3. Adjusting the gimp pull force
- 4-23-4. Adjusting the gimp tension
- 4-23-5. Using gimp thread work clamp
- 4-23-6. Adjusting the auxiliary clamp arm
- 4-23-7. Adjusting the length of the lower thread to be pulled for a safe sewing start
- 4-24. Adjusting the position of the lower thread presser (-02, -52 specifications)
- 4-25. Adjusting the rotating centers of the needle bar and the looper base
- 4-26. Adjusting the needle bar stop position
- 5. POWER SUPPLY EQUIPMENT
- 6. AIR PRESSURE MECHANISM
- 7. SOFTWARE
- COVER