Needle Bar Mechanism (1) - Brother RH-9820 Service Manual

6. ASSEMBLY

6-2. Needle bar mechanism (1)

* Refer to "Adjusting the pressure of the needle bar gear block" on the next page.
0790B
57
Push the needle bar gear block (5) in
as far as it will go. If it is not properly
inserted, oil leaks will occur.
Apply sealant (Threebond 1212) to the outer
circumference of the bearing.
*
Apply a small amount of sealant evenly
over the outer circumference. If the sealant
is not applied evenly over the whole
surface, oil leaks will occur.
RH-9820
1. Bearing
2. Bearing
3. Pulley flange
4. Screws [4 pcs]
5. Needle bar gear block
6. Needle bar gear nut
7. Screw
8. Gear nut cover