Brother International DA-9270 Instruction Manual - English - Page 5

CONTENTS 1. NAMES OF MAJOR PARTS 01 2. MACHINE SPECIFICATIONS 01 3. WORK TABLE AND MOTOR 02 4. INSTALLATION 03 4-1. Installing the machine head 03 4-2. Ground wire connections 04 4-3. Installing the pulley cover 05 4-4. Belt tension adjustment 06 4-5. Cotton stand 06 4-6. Lubrication 07 4-7. Checking the machine pulley rotating direction 08 5. PREPARATION BEFORE SEWING 08 5-1. Needles and threads 08 5-2. Installing the needles 08 5-3. Threading the lower threads 09 5-4. Threading the upper threads 09 6. SEWING 10 6-1. Sewing 10 7. THREAD TENSION 11 7-1. Adjusting the thread tension 11 7-2. Presser foot pressure adjustment ..... 11 7-3. Adjusting the stitch length 12 7-4. Puller feed adjustment (Machines with puller 12 8. CLEANING 14 8-1. Daily cleaning 14 8-2. Changing the lubricating oil (every three months 14 9. STANDARD ADJUSTMENTS 15 9-1. Needle bar height adjustment 15 9-2. Needle and looper timing adjustment 16 9-3. Timing of loopers running clear of needles 17 9-4. Needle guard adjustment 17 9-5. Feed dog height adjustment 18 9-6. Upper thread take-up thread guide adjustment 19 9-7. Upper thread arm thread guide adjustment 19 9-8. Thread release shaft adjustment ....... 19 9-9. Lower thread take-up timing adjustment 19 9-10. Installing the lapper 20 9-11. Puller height adjustment (Machines with puller 20 9-12. Puller device timing adjustment (Machines with puller 20 10.TROUBLESHOOTING 21 DA-9270 iv