ZOJE ZJ2842-BD, Operation Manual

Page: 13 / 76

8-1.Adjusting the thread tension 28
8-2.Adjusting the presser foor pressure 29
9. CLEANING 30
10. STANDARD ADJUSTMENTS 31
10-1.Adjusting of the feed dog height 31
10-3.Adjusting the thread tension spring 32
10-4.Adjusting the needle and rotary hook timing 34
10-4-1.Needle rotary hook point gap 34
10-4-2.Clearance between rotary hook timing 34
10-4-3.Clearance between rotary hook and opener 35
10-4-4.Needle bar height and lift amount 35
10-5.Adjusting the rotary hook lubrication amount 40
10-6.Adjusting of the needle and feed timing 41
10-7.Oil adjust at the front of machine 43
10-8.Thread wiper adjustment 44
10-9.Movable and fixed knife adjustment 46
10-10.Teension release 48
10-11.Synchronizer adjustment 49
10-12.Thread trimmer timing adjustment 51
11. REPLACING GAUGE PARTS 52
12. INSTALLING OPTIONAL PARTS 56
12-1.Replacing the rotary hook 56
12-2.Replacing the upper thread tension assembly 59
13. TROUBLESHOOTING GUIDE 61
8-1.Adjusting the thread tension 28
8-2.Adjusting the presser foor pressure 29
9. CLEANING 30
10. STANDARD ADJUSTMENTS 31
10-1.Adjusting of the feed dog height 31
10-3.Adjusting the thread tension spring 32
10-4.Adjusting the needle and rotary hook timing 34
10-4-1.Needle rotary hook point gap 34
10-4-2.Clearance between rotary hook timing 34
10-4-3.Clearance between rotary hook and opener 35
10-4-4.Needle bar height and lift amount 35
10-5.Adjusting the rotary hook lubrication amount 40
10-6.Adjusting of the needle and feed timing 41
10-7.Oil adjust at the front of machine 43
10-8.Thread wiper adjustment 44
10-9.Movable and fixed knife adjustment 46
10-10.Teension release 48
10-11.Synchronizer adjustment 49
10-12.Thread trimmer timing adjustment 51
11. REPLACING GAUGE PARTS 52
12. INSTALLING OPTIONAL PARTS 56
12-1.Replacing the rotary hook 56
12-2.Replacing the upper thread tension assembly 59
13. TROUBLESHOOTING GUIDE 61