4-85
DVW-790WS/709WS/707 P2V1
DVW-790WSP/709WSP/707P P2V1
4-2. Parts Replacement
4-2-20. Tension Regulator Arm Assembly Replacement
Overviews
Replacement
Brake Band Removal
Tension Regulator Arm Assembly Removal
Tension Regulator Arm Assembly Installation
Brake Band Installation
Tension Regulator (S4) Guide Cleaning
Adjustments after replacement
Tension Regulator Operating Position Adjustment
FWD Back tension Adjustment
Tape Running Adjustment
Note
Replacement of tension regulator arm assembly requires the new stop washer. When replacing the tension
regulator arm assembly, prepare a new stop washer.
Stop washer 1.2 : 3-726-829-01 (1 piece is 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 panel. (Refer to section 1-6 of Maintenance Manual Part 1.)
Tools
.FWD back tension measurement cassette tape : J-6323-890-A
.Stop washer fastening tool : J-6323-530-A
.Cleaning cloth : 3-184-527-01
.Cleaning fluid : 9-919-573-01