Sony HDW-750 Maintenance Manual page 347

Installation
3. Installing the T-tension regulator
assembly
(1) Clean the mount shaft.
(2) Install the release plate in the new T-tension
regulator assembly as follows.
1. Insert the protruded portion of the release
plate into the hole of the T-tension
regulator assembly. Then rotate it in the
direction of A.
2. Align the hole of the release plate with the
top of the shaft. (Fig.1)
n
Depending on the time of production at the
factory, there are sets that have no release plate.
(3) Install the new T-tension regulator assembly
to the mount shaft with the new stop washer.
(4) Install the extension spring that is removed in
step 1 (1) of "Removal".
4. Installing the T-tension regulator band
assembly
Engage the hook of the T-tension regulator band
assembly on the T-tension regulator arm shaft
passing underneath the T-tension regulator arm.
m
. When installing the stop washer, do not apply
excessive force to the T-tension regulator arm.
. When installing it, be careful not to bend the T-
tension regulator band assembly that results in
damage.
. Do not touch the felt surface of the T-tension
regulator band assembly with hands. Also
never attach oil on the felt surface.
5. Cleaning of tape guide of T-tension
regulator arm (T5)
Clean the T-tension regulator arm (T5) and tape
guide using a cleaning cloth moistened with
cleaning fluid.
n
After cleaning, be sure to wipe the cleaning fluid
off the cleaned portions using a dry cleaning
cloth.
Adjustments after Replacement
6. FWD back tension adjustment
(Refer to Section 8-1-3.)
7. Tape run adjustment
(Refer to Section 8-2-1.)
8. Capstan add-on recording adjustment
(Refer to Section 10-5-3.)
HDW-750/750CE V1
7-22. T-Tension Regulator Assembly Replacement
T-tension regulator
assembly
Stop washer
T-tension regulator
band assembly
Hook
Extension spring
T5 tape guide
(cleaning)
Fig1
Protrusion of the
release plate
Release plate
Hole
A
Hole
Top of the shaft
T-tension regulator assembly
Mount shaft
(coat it with oil after
cleaning)
Stop washer
Hole of the T-tension
regulator arm
Shaft of the T-tension
regulator arm
7-77