Brother T-8421D Instruction Manual page 84

6. Tighten the screw to push in the grease.
7. Use a cloth to wipe away any excess grease
from around the screws.
8. Apply grease to all locations in the same way.
9. Apply grease to the slide block slider (4).
Use the tip of a screwdriver or similar to apply
5 - 10 mm beads of grease in four places (6)
at the top, bottom, left and right of the slide
block (5).
Pour oil into the oil cover at the same time.
To learn moresee Related Information.
10. After applying grease in the places indicated
by the arrows, reset the cumulative time.
NOTE
• Once the grease tube has been opened, remove the
nozzle from the tube, attach the cap securely and
store the tube in a cool dark place.
• The grease should be used as quickly as possible.
• When using the grease again, remove any old
grease from inside the nozzle first.
• Store the tube away carefully once the tube has
been opened, otherwise the grease remaining
inside the tube may deteriorate, and this may affect
its lubricating performance.
Clearing the cumulative time between
grease applications
1
While pressing
2
Select [Grease up].
3
Press .
4
Press .
The display will switch to the home screen.
5
Depress the treadle to run the sewing machine
for 1 second or more.
6
Turn the power switch to "OFF".
This completes the reset operation.
Related Information
• Lubrication on page 7
, turn on the power switch.
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