Sony BVW-55, Руководство по обслуживанию, Страница: 227 / 942

3-15
BVW-55 P2
Removal
1. Brush cover removal
Remove the brush cover. (Refer to Section 3-3.)
2. Brush assembly removal
Remove the brush assembly.
(Refer to Section 3-3.)
3. Slip ring assembly removal
Remove the slip ring assembly.
(Refer to Section 3-4.)
4. Upper drum assembly removal
(1) Prepare the upper drum remover supplied
with a new upper drum assembly.
Loosen the screw of the upper drum remover
while taking care that it does not protrude
from the installation surface.
(2) Install the upper drum remover to the upper
drum assembly with two screws.
(3) Insert the L-shaped wrench into the holes on
the upper drum assembly board and loosen
the four screws fully fixing the upper drum.
n
Loosen the four upper drum fixing screws
fully. Do not turn the screw of the upper
drum remover without loosening these screws
fully. If not, this may damage the lower
drum.
(4) Tighten the screw in the center of the upper
drum remover using an L-shaped wrench and
remove the upper drum assembly in the
direction indicated by the arrow.
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Be careful not to damage the upper edge of
the lower drum after the upper drum assem-
bly is removed.
3-2. Upper Drum Assembly Replacement
Do not protrude from this surface.
Screw
Screw
Upper drum remover
Upper drum assembly
. Upper drum remover
Screw
Upper drum assembly
Upper drum fixing screws
Upper drum fixing
screws
Upper drum remover