TABLE OF CONTENTS
CHAPTER 1 SAFTEY RULES …………………………………………………………………… 1-1
1-1. MACHINE DELIVERY …………………………………………………………… 1-1
1-2. MACHINE INSTALLATION ……………………………………………………… 1-2
1-3. MACHINE OPERATION …………………………………………………………… 1-3
1-4. REPAIR ……………………………………………………………………………… 1-3
1-5. PLACEMENT OF WARNING STICKERS ………………………………………… 1-4
1-6. CONTENTS OF WARNING STICKERS ………………………………………… 1-5
CHAPTER 2 MACHINE INSTALLATION AND ASSEMBLY ………………………………… 2-1
2-1. INSTALLATION ENVIRONMENT ……………………………………………… 2-1
2-2. ELECTRICITY INSTALLATION ………………………………………………… 2-1
2-3. LEVELING THE MACHINE ……………………………………………………… 2-2
2-4. PERIPHERALS ASSEMBLY ……………………………………………………… 2-4
2-5. TABLE ASSEMBLY ……………………………………………………………… 2-5
2-6. FRAME ASSEMBLY (UH1506D-45) ……………………………………………… 2-7
2-6-1. TUBULAR FRAME ……………………………………………………… 2-7
2-6-2. BORDER FRAME ………………………………………………………… 2-8
2-7. FRAME ASSEMBLY (UH1504D-45, UH1208D-45, UH1512D-45) ……………… 2-9
2-7-1. TUBULAR FRAME ……………………………………………………… 2-9
2-7-2. BORDER FRAME ………………………………………………………… 2-10
CHAPTER 3 NAMES OF MACHINE PARTS …………………………………………………… 3-1
3-1. SWF/HC-UH1506D-45 ……………………………………………………………… 3-1
CHAPTER 4 FUNCTIONS FOR BASIC MACHINE OPERATION …………………………… 4-1
4-1. LAMP ON THREAD TENSION ADJUSTMENT BOARD ……………………… 4-1
4-2. NEEDLE STOP CLUTCH ………………………………………………………… 4-2
4-3. UPPER THREADING AND TENSION ADJUSTMENT ………………………… 4-3
4-4. LOWER (BOBBIN) THREADING AND TENSION ADJUSTMENT …………… 4-7
4-5. THREAD WINDING ……………………………………………………………… 4-8
4-6. FLOPPY DISKS AND PRECAUTIONS …………………………………………… 4-9
4-7. NEEDLE-HOOK TIMING CONTROL …………………………………………… 4-10
4-8. ASSEMBLY AND FUNCTIONS OF THREAD DETECTOR …………………… 4-15
CHAPTER 5 MAINTENANCE AND INSPECTION …………………………………………… 5-1
5-1. CHECK POINTS FOR REGULAR INSPECTION ………………………………… 5-1
5-2. CLEANING ………………………………………………………………………… 5-1
5-3. OIL SUPPLY ……………………………………………………………………… 5-3
5-4. DRIVE BELT TENSION …………………………………………………………… 5-7