
3/204
Index
page
cover 1
Forsafeadjustmentandrepair 2
Index 3,4,5,6,7
1Outlineofmechanism 8
1-1Outlineofmechanicalmechanism 9,10
1-2 Placement of key electronic parts 11
2Outercovers 12
2-1Removalofoutercovers 13,14,15,16
3Mechanicalmechanism 17
3-1Basicmaintenance 18
3-1-1 Maintenance of thread path 19,20
3-1-2 Fixing of needle 21
3-1-3 Selection of thread 22
3-1-4 Relation between needle and upper thread 23
3-2Fixedhead 24
3-2-1 Exchange of crank 25,26,27,28
3-2-2 Exchange of rod 29,30
3-2-3 Adjustment of the lowest needle point 31
3-2-4 Exchange of needle bar driver 32,33
3-2-5 Adjustment of fixing of jump solenoid 34,35
3-2-6 Exchange of take-up lever cam 36,37
3-2-7 Exchange of roller shaft ass’y 38
3-2-8 Adjustmentoftake-uplevertiming 39
3-2-9 Exchange of pressure foot cam 40
3-2-10 Check of height of pressure foot 41
3-2-11 Exchange of pressure foot 42
3-2-12 Adjustment of height of pressure foot guide bar 43
3-2-13 Exchange of pressure foot link and block 44
3-2-14 Exchange of pressure foot drive lever 45,46,47
3-2-15 Exchange of pressure foot guide 48,49
3-2-16 Exchange of pulse motor for pressurefoot 50,51
3-2-17 Adjustment of pressure foot bracket ass’y 52
3-2-18 Exchange of thread catcher 53