Sony Digital Betacam DVW-707 Maintenance Manual page 173

Notes
. When attaching the pinch arm assembly, S and T sliders, prepare the new E-ring
E-ring 1.2 : 7-624-101-01 (Use the one E-ring for the one part replacement.)
. When attaching the pinch arm assembly and the driving gear, prepare the new four stop washers.
Stop washer 1.2 : 3-726-829-01 (4 pieces are used.)
Preparations
1. Check that the unit is in the unthreading end mode.
2. Turn the power off.
3. Remove the front lid and the outside pane. (Refer to section 1-6 of Maintenance Manual Part 1.)
4. Remove the cassette compartment. (Refer to section 1-8 of Maintenance Manual Part 1.)
Tools
. FWD back tension measurement cassette tape : J-6323-890-A
. Stop washer fastening tool
. Cleaning cloth
. Cleaning fluid
DVW-790WS/709WS/707 P2V1
DVW-790WSP/709WSP/707P P2V1
: J-6323-530-A
: 3-184-527-01
: 9-919-573-01
4-2. Parts Replacement
4-89