Brother S-7220D Instruction Manual page 18

Lubricating the oil cover
4
Tilt back the machine head.
5
Remove the rubber cap (1).
6
Pour 120 ml of lubricating oil into the oil tank (2).
NOTE
Use the upper reference line (3) as a guide when
pouring.
7
Replace the rubber cap (1).
8
Return the machine head to its original position.
9
Check that the oil gauge (5) comes to the upper
reference line in the oil gauge window (4).
NOTE
If the oil gauge drops below the lower reference line (or if
the oil level drops below the lower reference line (6) on
the oil tank), be sure to replenish the oil.
8