Sony HVR-Z7N Service Manual page 279

3-14. Tension Regulator Block Ass'y
1. Removal procedure
1) Remove the screw (special head screw M1.4 × 2.0) 1.
2) Remove the tension regulator band 2 from the S-reel table
ass'y.
3) Remove the tension regulator spring 3.
Note: Take a note where the tension regulator spring.
4) Remove the tension regulator block ass'y 4.
Fixing with screw
Points to be noted
When fixing the screw, press the
FWD ADJ with finger so that
must not bend the tension
regulator band .
Tension regulator band
Be careful that the extension regulator band is not
scratched or not broken and grease is not attached.
1 Screw
(M1.4 × 2.0)
FWD ADJ
2 Tension
regulator
band
HVR-Z7J/Z7U/Z7N/Z7E/Z7P/Z7C
2. Attachment procedure
1) Apply grease into inside of the TG1 shaft hole.
Amount of grease: A ball of grease of 1.0 mm diameter.
Re-application of grease to the already-greased-point is not
necessary.
2) While inserting the tension regulator cam lever into the groove
of the cam base ass'y, insert the TG1 shaft into the TG1 shaft
hole.
3) Hook the tension regulator spring 3 on the tension regulator
ass'y 4 with the very end of the spring facing downward.
4) Hook the tension regulator spring 3 on the LS chassis.
(The position that is taken a note when it is removed.)
5) Insert the tension regulator band 2 into the groove of the S-
reel table ass'y. While pushing the FWD ADJ with finger, fix
it with the screw 1 (special head screw M1.4 × 2.0).
Tightening torque: 0.06 ± 0.01 N•m (0.61 ± 0.1 kgf•cm)
6) By referring to Section 4-1, perform the TG1 FWD Position
Adjustment.
7) By referring to Section 4-3, perform the FWD Back Tension
Adjustment.
Screw
Note: Be careful that the extension regulator band is not scratched or
driver
FWD ADJ
Key Points
in Re-assembling
When installing, insert the tension
regulator cam lever into the groove
of the cam base ass'y.
3 Tension regulator
Tension
regulator
cam lever
S reel
table ass'y
Groove of the
cam base ass'y
Points to be noted
Apply grease inside the hole
of the TG1 shaft hole
Amount of grease:
A ball of grease of 1.0 mm diameter.
(Re-application of grease to
the already-greased-point
is not necessary.)
6-95
not broken and grease is not attached.
Tension regulator ass'y
Tension regulator cam lever
Groove of the
cam base ass'y
spring
Apply grease
TG1 shaft hole
Hook must face
4 Tension
downward.
regulator
ass'y
TG1 shaft
TG1 shaft
hole