Sony Betacam SX DNV-5 Maintenance Manual page 93

Removal
1. S or T Idler assembly Removal
Remove the stop washer, then remove the S or T
idler assembly.
n
Do not remove and lose the polywashers at the
bottom of the S or T idler assembly and the top of
the S idler assembly from their installation shaft.
The polywashers may be missing with the idler
assembly removed.
Installation
2. Installation shaft cleaning
Clean the installation shaft with cleaning cloth
moistened with cleaning fluid.
3. S or T idler assembly installation
(1) Apply a 1/4 drop of oil onto the installation
shaft thinly.
(2) Insert a new S or T idler assembly into the
installation shaft.
The idler assembly shall be installed in the
direction described below.
S idler assembly: Installed with the concave
surface put upward.
T idler assembly: Installed with the concave
surface put upward.
(3) Install the stop washer.
DNV-5
DNW-7/90/90WS
Stop washer
Polywasher
Stop
washer
Polywasher
Installation shafts
(Cleaning)
Polywashers
(Do not remove)
3-3-2. S/T Idler Assembly Replacement
. S idler assembly
Installed with the concave
surface put upward.
Concave
portion
. T idler assembly
Installed with the concave
surface put upward.
Concave
portion
Polywasher
3-43