3-4. LUBRICATION INSTRUCTIONS FOR THE BUTTON SEWING MACHINE. I
The button sewing machine should be oiled at least once
a day (8 hour intervals) to insure easy running
and prevent unnecessary wear of the parts which are in movable contact.
Remove the two face plate screws and remove the face plate.
Apply a drop or two of oil to the oil holes indicated.
Remove the two knurled thumb nuts which retain the arm side cover, and remove the arm side cover.