Replacing the External Parts
Face Plate ........................................................................................................... 1
Belt Cover ........................................................................................................... 1
Looper Cover ....................................................................................................... 2
Rear Cover .......................................................................................................... 3
Front Cover ......................................................................................................... 4
Free Arm Cover ................................................................................................... 5
Mechanical Adjustment
Presser Bar Height .............................................................................................. 6
Foot Pressure ...................................................................................................... 7
Needle Bar Height ............................................................................................... 8
Feed Dog Height ................................................................................................. 9
Looper Height .................................................................................................... 10
Looper Position ................................................................................................. 11
Needle to Looper Timing ................................................................................... 12
Clearance between the Needle and Looper ...................................................... 13
Back Needle Guard Height ............................................................................... 14
Needle to Feed Dogs Timing ............................................................................. 15
Stitch Length ..................................................................................................... 16
Differential Feed Ratio ...................................................................................... 17
Thread Tension .................................................................................................. 18
Motor ................................................................................................................. 19
Table of Contents
