Draining The Oil; Cleaning The Control Box Air Inlet Port - Brother HE-800B Instruction Manual

8-2. Draining the oil

Bed base

8-3. Cleaning the control box air inlet port

3. Remove the bobbin case, and remove dust and lint from
around the shuttle and fixed knife.
Also wipe the bobbin to remove oil.
* Periodically clean around the bobbin thread trimmer
underneath the needle plate to remove any dust and
thread scraps. If you continue using the sewing
machine while dust or thread scraps have built up, it
may cause the work clamp lifter pulse motor to go out
of step.
2159Q
1. Gently tilt back the machine head.
2. Place the oil tank (1) against the underside of the table,
and then remove the screw (2).
3. After the lubricating oil has been drained, make sure that
the O-ring (3) is in the correct position, and then tighten
the screw (2).
* Wipe the magnet (4) and the bed base (5) so that
they are free from dirt.
4070M
Use a vacuum cleaner to clean the filter in the air inlet port
(2) of the control box (1) at least once a month.
4875M
HE-800B
8. CLEANING
62