Sony BVW-55 Maintenance Manual page 232

3-3. Brush Replacement
2. Brush assembly removal
(1) Disconnect the harness connected to the
brush board.
(2) Remove the screw shown in the figure of the
two screws fixing the brush base.
(3) Loosen the other screw and move the brush
base in the direction indicated by the arrow.
The engagement of the brush and slip ring is
then released.
(4) Remove the screw, then remove the brush
assembly.
Installation
3. Brush assembly installation
(1) Fix the brush base tentatively to the brush
post with the screw shown in the figure.
n
Never touch the brush.
(2) Move the brush base in the direction indicat-
ed by arrow A while pushing it downward at
the top of the brush post, and fix the other
screw tentatively.
(3) Tighten the screws fixed tentatively in steps
(1) and (2) while pushing the brush base in
the direction indicated by arrow B.
[Tightening torque: 20 x 10
{2.0 kgf.cm}]
(4) Connect the harness disconnected in step (1)
of procedure 2 to the connector on the brush
board.
3-20
Harness
Brush base
Brush base
Brush post
_2 N.m
Remove this screw first
(PSW2 x 5)
Brush board
PSW2 x 5
At first, tighten this screw tentatively.
PSW2 x 5 (PSW2 x 5)
Harness
Brush board
A
B
Brush assembly
Slip ring assembly
Brush assembly
Slip ring assembly
BVW-55 P2