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13.5) ADJUSTING LOW-NOISE PRESSER FOOT
1) Assembling the presser foot cam
①
Position the main shaft angle 178
°
. Put two assembler pins (
ф
3) into the assembler hole (
ф
3) of the
presser foot driver cam as shown in figure and into the assembler hole of the take-up lever driver cam
(
ф
3).
②
Adjust the position of the presser foot driver cam so that the assembler pins move freely left and
right. Fasten three screws (M4
×
L35) snugly.
Pin hole (
ф
3)
Assembler pin(
ф
3)
Assembler holes
Screws (3)
Presser foot drive
cam
Take-up lever
driver cam
1) The assembly pin must smoothly move left and right after the cam is fixed with 3 screws.
2) The assembler and the assembler pin are not for commercial sale.
3) Contact your SWF dealership if you must adjust the presser foot cam.
CAUTION