Tape Running Surface Of Lower Drum And Lead Surface Cleaning - Sony DNW-A75 Maintenance Manual

5-2. Cleaning
5-2-4. Tape Running Surface of Lower Drum and Lead Surface
Cleaning
Caution
Be careful not to damage the lower drum (especially lead surface) during cleaning.
Pay careful attention when cleaning the edge portion above the lower drum because
it is located near the video heads.
Tools
. Cleaning cloth: 3-184-527-01
. Cleaning fluid: 9-919-573-01
. Skewer or an equivalent (Not metallic. )
Procedure
1. As shown in the figure, remove the magnetic powder using a skewer, running
the skewer on the drum lead surface.
m
. Never use a metallic skewer to avoid damaging the tape-running surface.
. Be sure to remove the magnetic powder completely. Tracking may be badly
influenced if magnetic powder attaches to the drum lead surface.
2. Clean the drum lead surface and lower drum's tape-running surface (shaded
portion in the figure) using a cleaning cloth moistened with a cleaning fluid.
3. After cleaning, wipe them using a dry cleaning cloth two or three times.
Drum lead surface
5-8
Skewer
Tape-running Surface of Lower Drum and Lead Surface Cleaning
Lower drum's tape-running
surface Cleaning cloth
DNW-A75/A75P