5-27
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
5-4. Cleaning Roller and Video Head Cleaner Assembly
Replacement
Replace the cleaning roller every 6,000 hours of the drum rotating.
*
Replace the video head cleaner assembly ealier time either 6,000 hours of the drum
rotating or 200,000 times of the threading.
The cleaning roller is included in the video head cleaner assembly.
*
: The cleaning roller is countermeasured to the long-life characteristics. When
replacing, be sure to replace this new parts described in this section.
Outline
Replacement
1.
Remove the Harness (CN851/PD-35 Board)
2.
Remove the Video Head Cleaner Assembly
3.
Replace the Cleaning Roller
4.
Attach the Video Head Cleaner Assembly
5.
Adjust the Cleaning Roller Position
6.
Connect the Harness (CN851/PD-35 Board)
Adjustment after Replacement
7.
Confirm the Cleaning Solenoid Operation (Refer to Section 4-2-2 in Mainte-
nance Manual Part 1.)
(C023: CLEANING ROLLER)
Note
When the cleaning roller is replaced, it is recommended to replace the CR spacer at
the same time.
CR spacer : 3-182-765-02
Preparation
1.
Turn the power off.
2.
Remove the upper lid. (Refer to Section 2-3-1 in Maintenance Manual Part1.)
3.
Remove the plate MD assembly.
(Refer to Section 2-4 in Maintenance Manual Part1.)
4.
Remove the cassette compartment.
(Refer to Section 2-5 in Maintenance Manual Part1.)
5-4. Cleaning Roller and Video Head Cleaner Assembly Replacement