13-4. LUBRICATION INSTRUCTIONS FOR THE BUTTON SEWING MACHINE - continued.
Loosen the wing nut and lay the machine back, to the left.
Apply a drop or two of oil to the oiling points indicated.
Apply a drop or two of oil to the hinge of the machine starting lever inside the machine base.
When the oiling is completed, turn the machine down onto its base and firmly tighten the wing nut.