Sony BVH-2000, Operation And Maintenance Manual

Page: 159 / 505

3-7. SLIP RING AND BRUSH CLEANING
AND REPLACEMENT
Except
for model)
3-7-1. Cleaning of
Slip
Ring and Brush
Cleaning
A. The slip ring and the brush of the head drum assembly do
not require periodic cleaning. However, cleaning should be
when ring the
block. Pull out the connector CN291 connected
drum assembly.
2. Loosen the three screws securing the rear cover to the
head remove the
For the cleaning, prepare soft short-haired brush. If no
such brush should be available, prepare a cotton swab
which the tip are squashed with a hammer etc.
FREON 113
3. Loosen the screw securing the brush mounting block 2
turns;
4. Turn the brush mounting block clockwise. until the brush
comes out ring grooves then
5. Bring brush into contact with
slip ring grooves as shown in the following figure and clean
while turning the rotor of the drum.
6. Use the brush clean from the brush root on
contact parts slip
the brush in bends very
sufficient care.
must
Brush Remounting and Pressure Adjustment
fixing screw so that the brush
moved lightly.
REAR COVER
Brush
BVH-2000(U/C)/PS/PM
BVH-2180(U/C)/PS/PM
BVH-2500(U/C}/P
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