6-96
DVW-250/250P
6-25. Replacement of the Component Parts of the Threading Link Block
Tools
• FWD back tension measuring cassette tape :J-6323-190-A
• Stop washer fastening tool
:J-6323-530-A
• Torque screwdriver bit (for M1.4)
:J-6325-110-A
• Torque screwdriver (for 3kgf)
:J-6325-400-A
• Cleaning cloth
:3-184-527-01
• Cleaning fluid
:9-919-573-01
Removal
1. SE-233 board removal
Remove the two screws and the SE-233 board.
2. Unthread guide plate removal
Remove the two screws and the unthread guide
plate.
3. Disconnection brush assembly
connector
Disconnect the connector on the brush assembly
board.
4. Drum assembly removal
(1) Remove the three screws of the drum assem-
bly.
(2) Life just above the drum assembly and
disconnect the three connectors(CN1,CN2
and CN3) on the lower board of the drum.
n
When removing the drum, take care not to
damage the CTL head, CUE/TC head and the
peripheral tape guides.
5. S arm assembly removal
Remove the S arm assembly.
(Refer to section 6-23. “S arm assembly replacement”)
6. T drawing arm assembly removal
Remove the T drawing arm assembly.
(Refer to section 6-24. “T link and T drawing arm
assembly replacement”)
Drum assembly
CN2
CN3
CN1
Screw(PWH1.4
×
2.5)
Unthread guide plate