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1. TEST MODE SETTING METHOD.................................................................. 14
2. TENSION OF MOTOR DRIVE BELT AND ROTARY HOOK SHAFT BELT. 15
3. POSITION OF SENSOR SHUTTER .............................................................. 16
4. ADJUSTMENT OF NEEDLE DROP POINT .................................................. 17
5. CLEARANCE BETWEEN NEEDLE AND ROTARY HOOK POINT
AND LOOP LIFT ............................................................................................ 18
6. HEIGHT OF NEEDLE BAR ............................................................................ 19
7. ADJUSTMENT OF THREAD TAKE-UP SPRING
(ADJUSTMENT OF THREAD BREAKAGE SHUTTER)................................ 20
8. ADJUSTMENT OF BOBBIN WINDING
(ADJUSTMENT OF BOBBIN WINDER SWITCH) ......................................... 21
9. POSITION OF INNER ROTARY HOOK BRACKET ...................................... 22
10. ADJUSTMENT OF INNER ROTARY HOOK TENSION ................................ 23
11. ADJUSTMENT OF TREAD TENSION DIAL.................................................. 24
12. POSITION OF TENSION RELEASE SOLENOID .......................................... 25
13. NEEDLE THREADER .................................................................................... 26
14. NEEDLE THREADER (ADJUSTMENT OF NEEDLE THREADER).............. 27
15. NEEDLE THREADER (REPLACEMENT OF HOOK).................................... 28
16. X-Y CARRIAGE (X TIMING BELT TENSION) ............................................... 29
17. X-Y CARRIAGE (Y TIMING BELT TENSION) ............................................... 30
18. X-Y CARRIAGE (DRIVE GEAR ADJUSTMENT)........................................... 31
19. X-Y CARRIAGE (X CARRIAGE POSITION).................................................. 32
20. ADJUSTMENT OF INNER ROTARY HOOK HOLDER AND
LOWER THREAD GUIDE PLATE ................................................................. 33
