Upper Shaft Mechanism - Brother RH-9820 Service Manual

6. ASSEMBLY

6-4. Upper shaft mechanism

* Refer to the detailed descriptions on pages 62 and 63 for details on A to C in the illustration.
* For parts with screw stops, install so that the screw at the front in the turning direction is at the screw stop
position.
* Apply the grease specified by Brother (MOLYKOTE LONGTERM W2 manufactured by Dow Corning
Corporation) in the places indicated by
A
A
Place the zigzag cam (24)
against the gear (25)
and then tighten.
0821B
61
.
B
C
A
RH-9820
A
B
C
B
A
A
B
Place against
the bearing
collar (15) and
then tighten.
Refer to "7-29.
B
Adjustment of
the phase for
the take-up
roller cam"
when
assembling.