Sony Betacam SX DNV-5 Maintenance Manual page 83

Removal
1. Pinch roller removal
(1) Loosen the screw in the center of the pinch
roller, raise the pinch roller just upward, and
remove it.
n
At that time loosen the screw, not to push it
firmly by the driver.
Turn the driver while supporting the pinch
roller by hand.
(2) Remove the screw from the pinch roller.
Installation
2. Installation shaft cleaning
Clean the installation shaft of the pinch roller
with cleaning cloth moistened with cleaning fluid.
3. Pinch roller installation
Install the pinch roller in the installation shaft of
the pinch roller and tighten the screw removed in
step 1.
[Tightening torque: 9x10 –2 N.m (0.9 kgf.cm)]
m
. Never touch the surface of the pinch roller with
bare hands.
. The pinch roller has no right-side up.
4. Pinch roller cleaning
Clean the surface of the pinch roller with cleaning
cloth moistened with cleaning fluid.
Adjustment after replacement
5. Tape running adjustment
(Refer to section 4-2-4.)
6. TC head height confirmation
(Refer to section 4-2-5.)
DNV-5
DNW-7/90/90WS
3-2-6. Pinch Roller Replacement
Screw
(M1.4 x 3.5)
Pinch roller
Installation
shaft
(cleaning)
3-33