Sony HDW-750 Maintenance Manual page 287

(2) Insert the torque screwdriver that is set to 10
x 10 _2
N.m (1 kgf.cm), in the four holes on
the board of the upper drum and tighten the
four hexagon cap screws one bolt after
another in the order as shown.
n
When tightening the screws just after the
eccentricity adjustment, the tightening
torque value should be 10 x 10
kgf.cm) .
(3) Set the torque screwdriver to 25 x 10
(2.5 kgf.cm).
(4) Tighten the four hexagon cap screws in the
same order as in step 2 with the torque
screwdriver
(5) Re-check that the specification met.
14. Removing the upper drum eccentricity
adjustment tool
Remove the upper drum eccentricity adjustment
tool.
15. Installing the slip ring assembly
(1) Place the connector of the slip ring assembly
in front of the connector on the UDR-32
board of the upper drum assembly. While
installing the slip ring assembly to the drum
shaft, connect the connectors.
(2) While pressing the slip ring assembly to the
upper drum, install the slip ring assembly
tentatively with the two screws that are
coated with the locking compound with equal
torque. Then tighten the screws with torque
screwdriver.
The standard tightening torque value :
10 x 10 _2
N.m (1 kg.cm)
HDW-750/750CE V1
Upper drum eccentricity
adjustment tool
_2
N.m (1
_2
N.m
UDR-32 board
7-2. Upper Drum Assembly Replacement
Upper drum
assembly
3
Connector
Connector
2
4
1
B2 x 4
Screws coated with
screw lock
Slip ring assembly
7-17