Brother KE-430HX Service Manual page 174

10. MAINTENANCE
Approx.
165ml
163
6. Remove the screw (5).
7. Pour in oil through the hole where the screw (5) was
installed.
* Add approximately 165 ml of oil.
NOTE:
・Check that the oil level reaches in between the two reference
lines in the oil gauge window. If the oil level is below the lower
reference line, operating problems such as motor seizure may
result.
・ Do not allow the oil level to go past the top reference line. Oil
leaks may occur during sewing machine operation.
3922B
8. Install the screw (5).
* Clean around the installation area before installing.
* When installing the screw (5), check that the O-ring (6) is
fitted onto it.
3923B
KE-430HX/KE-430HS, BE-438HX/BE-438HS