Owner's Manual
Z-8550A, 8560A
12. STANDARD ADJUSTMENTS............ 59
12-1. Actuator position ............................................ 59
12-2. Adjusting the safety switch position................ 60
12-3. Adjusting the thread tension spring ................ 61
12-4. Adjusting the presser foot height.................... 62
12-5. Adjusting the feed dog height......................... 62
12-6. Adjusting the feed dog angle.......................... 63
12-7. Adjusting the forward/back position of
the feed dog ................................................... 63
12-8. Adjusting the needle bar height...................... 64
12-9. Needle and rotary hook timing ....................... 64
12-10. Bobbin case holder position bracket
position......................................................... 65
12-11. Adjusting the rotary hook lubrication
amount ......................................................... 66
12-12. Adjusting the presser foot floating amount
(minute lifting amount).................................. 67
12-13. Adjusting the treadle .................................... 67
12-14. Adjusting the position of the thread trimming
cam (8560A only)..........................................68
12-15. Adjusting the tension of the lower thread
presser spring (8560A only)..........................69
12-16. Adjusting the thread trailing length after
thread trimming (8560A only) .......................69
12-17. Adjusting the thread wiper (8560A only).......70
13. OPTIONAL PARTS ............................ 71
13-1. Presser bar U and presser bar tip...................71
14. WHEN USING A NON-STANDARD
FEED DOG (8560A only) .................. 73
15. TROUBLESHOOTING ....................... 74
15-1. Sewing............................................................74
15-2. Error code displays .........................................79