CONTENTSCONTENTSCONTENTSCONTENTS1. NEEDLES & THREADING THE MACHINE1-1 Needles 11-2 Replacing the needle 11-3 To thread the machine 12. MACHINE SPEED2-1 Machine speed & direction in which the machine pulley runs 22-2 Motor & belt 23. LUBRICATION3-1 Oil 33-2 To fill the machine with oil 33-3 Replacing the oil and the filter element 34. SEWING MACHINE INSTALLATION4-1 Cutting the machine table 44-2 To install the machine 55. TIMING OF THE LOOPER TO THE NEEDLE5-1 Needle height 55-2 Needle drop and needle side stroke 65-3 To install the looper 65-4 Eccentric for adjusting the looper left to right 75-5 Position of the looper rocker 75-6 Looper left-to-right movement 85-7 Looper/needle front-to-back relationship 85-8 Looper setting distance 85-9 Adjusting the looper back spring 96. ADJUSTING THE NEEDLE GUARD 97. ADJUSTING THE FEED DOG & STITCH LENGTH7-1 Feed dog height 97-2 Stitch length 107-3 Differential feed ratio 108. ADJUSTING THE PRESSER FOOT8-1 Presser foot pressure 108-2 Position of the presser foot and foot lift 119. ADJUSTING THE STITCH FORMATION9-1 Adjusting the looper thread eyelets 119-2 Position of the looper thread take-up 129-3 Adjusting the needle thread guard 1210. CLEANING THE MACHINE 12