Brother BE-438F - Manual (Page 76)

9. STANDARD ADJUSTMENT
67 KE-430F, BE-438F
9-5. Adjusting the shuttle race thread guide
Install the shuttle race thread guide (1) by pushing it in the direction of the arrow so that the needle groove is aligned with
the center of the needle plate hole.
Note:
If the shuttle race thread guide is in the wrong position, thread breakages, soiled thread or thread entanglements may
occur.
The position of the shuttle race thread guide is adjusted at the time of shipment from the factory. It should not be
changed if at all possible.
9-6. Rotary hook lubrication amount
1. Tilt back the machine head.
2. Loosen the two bolts (1), and then adjust by moving the oil tank assembly (2) up or down.
* The standard position is when the centers of the two bolts (1) are aligned with the reference line on the oil tank plate
(3).
2329B
2330B
Less
oil
More
oil