Panasonic PVQ-1312W Service Manual page 44

6.3.2. Opener Lever and Drive Rack Unit
7. ADJUSTMENT PROCEDURES
7.1. SERVICE FIXTURES AND TOOLS
7.2. MECHANICAL ADJUSTMENT
7.2.1. CLEANING PROCEDURE FOR THE UPPER CYLINDER UNIT
1. While slowly turning the Upper Cylinder Unit counterclockwise by
hand, gently rub the Video Heads with a Head Cleaning Stick
(VFK27) moistened with Ethanol.
When using a Cleaning Cassette, make sure to use "DRY" type
only and be aware that excessive use can shorten head life.
Fig. K2
Fig. M1
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