Sony GY-8240UWD Maintenance Manual page 96

3-2. Upper Drum Assembly Replacement
3. Removing the Upper Drum Assembly
(1) Insert the hexagonal wrench driver from the
screw hole (A) and loosen the screw complete-
ly.
n
The upper drum assembly is fixed with the four
fixing screws (C3 x 12) in the screw holes (A).
These screws cannot be removed because of
stoppers.
(2) Check that the projection of the hexagon screw
from the remover's surfase is within 1 mm.
n
The upper drum remover is spplied with an
upper drum for repair.
(3) Attach the upper drum remover to the two
screws holes (B) of the brush slip ring
assembly with two screws.
(4) Turn the hexagon screw of the upper drum
remover clockwise by finger. The upper drum
will be detached from the shaft of the lower
drum slowly.
n
If the hexagon screw of the upper drum
remover is being rotated with the four upper
drum fixing screws loosen insufficiently, the
lower drum may get damaged.
3-10
Upper drum remover
1mm
Screw holes (A)
Remove the Upper Drum Assembly
Upper drum remover
Screw holes (B)
Screw holes (A)
Upper drum remover
GY-8240UWD
GY-8240FC