5.2.4. Upper Cylinder Unit
5.2.4.1. Disassembly Procedure
1. Remove 2 Screws with Washers (B).
2. Carefully lift the Upper Cylinder Unit from the shaft.
Fig. J3
Note:
Use extreme care when removing or replacing the
Upper Cylinder Unit. Do not touch the Video Heads
during servicing.
5.2.4.2. Reassembly Notes
1. Use extreme care when removing or replacing the Cylinder
Unit. Do not touch the Video Heads during servicing.
2. Alignment of Upper Cylinder Unit
a. When installing, make sure that the hole on the Upper
Cylinder is aligned with the indentation on the Lower
Cylinder.
b. After installing, perform the "TAPE
INTERCHANGEABILITY ADJUSTMENT (FINAL
ADJUSTMENT)" procedures.
5.2.5. Opener Piece, Pinch Arm Unit,
Motor Block Ass'y, Audio Control
Head Unit, and Cleaner Arm Unit
5.2.5.1. Disassembly Procedure
1. Remove the Opener Piece by pulling it upward while
releasing 2 Locking Tabs (A).
2. Pull up on the Pinch Arm Unit.
3. Release 3 Locking Tabs (B) and remove Screw with
Washer (C). Then, remove the Motor Block Ass'y and Audio
Control Head Unit.
4. Remove the Cleaner Arm Unit by pulling it upward while
releasing Locking Tab (L).
Fig. J4
5.2.5.2. Reassembly Notes
1. Installation of Audio Control Head Unit
a. Install the Audio Control Head Unit before Motor Block
Ass'y.
b. After installing, perform the "TAPE
INTERCHANGEABILITY ADJUSTMENT (FINAL
ADJUSTMENT)" procedures.
2. Installation of Pinch Arm Unit
a. Install the Pinch Arm Unit so that the Pin of Pinch Arm
Unit fits in the groove of Main Cam Gear.
5.2.6. Main Cam Gear and Drive Rack
Arm
5.2.6.1. Disassembly Procedure
1. Remove the Main Cam Push Nut. (Refer to Note.)
2. Pull up on the Main Cam Gear.
3. Turn the Drive Rack Arm fully counterclockwise as shown.
4. Pull up on the Drive Rack Arm.
26
PV-9661 / PV-9662
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