v
24-1 Replacing procedure of feed belt .................................................................... 170
(1) Replacing the top feed belt ............................................................................................................170
(2) Replacing the bottom feed belt ......................................................................................................171
(3) Replacing the bottom feed roller ....................................................................................................171
24-2 Changing the amount of alternate vertical movement of walkingfoot and
presser foot
........................................................................................................ 172
(1) When making equal the amount of alternate vertical movement of walking foot and presser foot
(When making the amount equal to 1.5 mm) .................................................................................173
(2) When making 2.5 mm the amount of alternate vertical movement ...............................................173
24-3 Adjusting the height of the walking foot and the presser foot ..................... 174
(1) Adjusting the height of walking foot ................................................................................................174
(2) Adjusting the height of presser foot ................................................................................................174
24-4 Adjusting the needle and the hook ................................................................. 175
(1)
Adjusting the height of needle bar ...................................................................................................................175
(2) Adjusting the hook ..........................................................................................................................175
24-5 Adjusting the thread trimmer ...........................................................................176
(1) Adjusting the thread trimmer cam timing ........................................................................................176
(2) Adjusting the initial position of the moving knife .............................................................................176
(3) Adjusting the initial position of the thread trimmer solenoid ...........................................................177
(4) Adjusting the position of the moving knife and the counter knife ...................................................178
24-6 Greasing parts .................................................................................................. 178
25. OTHERS.............................................................................................. 179
25-1 Troubles in sewing and the corrective measures .......................................... 179
26. DRAWING OF THE TABLE ................................................................ 180
26-1 Slant table ..........................................................................................................180
26-2 Work top table
...................................................................................................181
26-3 Edge stopper A
................................................................................................182
26-4 Edge stopper B
................................................................................................183
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