Periodic Inspection
158
Chap
te
r 7
Main
te
nan
c
e
The table below indicates the approximate time
until each part needs replacement or maintenance.
Note that the indicated time does not necessarily
mean the guaranteed period of service condition.
The time when the part needs replacement or
maintenance differs depending on the
environment and conditions of use.
A:
“1. DRUM RUNNING” or “5. DRUM
RUNNING-2” of the hours meter (duration
of drum rotation (in units of hour)).
B:
“2. TAPE RUNNING” or “6. TAPE
RUNNING-2” of the hours meter (duration
of tape transport (in units of hour)).
R:
Replacement is required.
r
:
Replaced with the part pointed by the arrow
(
r
).
O:
Coat with oil.
G:
Coat with grease.
For details on periodic inspection, contact your
nearest Sony dealer.
List of parts for the periodic inspection
No.
Part
Guide for
replacement
or
maintenance
Hours
2000
4000
6000
1
Upper drum assembly
A
R
r
R
2
Slip ring assembly
A
R
r
R
3
Brush assembly
A
R
r
R
4
Total drum assembly
A
-
R
-
5
AHC roller assembly
A
R
R
R
6
CR washer
A
R
R
R
7
Timing belt
B
-
R
-
8
S tension regulator band assembly B
R
R
R
9
T tension regulator band assembly B
R
R
R
10
Pinch roller assembly
B
R
R
R
11
Reel drive assembly
A
O
O
R
12
S tension regulator arm assembly
A
G
G
R
13
S idler assembly (LOW)
A
R
R
R
14
T idler assembly
A
R
R
R