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3-6.
PERIODIC
CHECK
AND
MAINTENANCE
SCHEDULE
O:
Cleaning
©:
Check
@:
Replacement
Operating Hours (H)
it
Replacement
500
|1000| 1500) 2000)2500)3000/3500)4000|4500)5000|
Remarks
em
Part
No.
Tape path cleaning
Pertorm
(including the video
——
O;}O;O}0;1}/0;O0;/0];0;
0
whenever
heads)
repair
work
ea
is attempted.
Replacement
of the
pineh roller.
A-6750-223-A
(When the BVU-950 is | PINCH ROLLER}
O | @/|O | @/|O/]@/|O/}]
@/0O
used as the editing
BLOCK
ASSY
machine.)
Replacement
of the
pinch roller.
A-6750-223-A
(When
the
BVU-950
is
PINCH
ROLLER
O;}O0}O}@slO;O];]0;]
@%]
0
used as
the
playback
BLOCK
ASSY
machine
(such as on
air).)
Replacement
of the
. ;
3-672-737-01
belt of the threading
BELT, SQUARE
O;}O;OoO!;lo!}o;o;o!le]o
motor
assembley.
Replacement
of the
belt of the cassette
d-653-387-00
O;/O;O;]O}O0;0}0]
Oo]
0
compartment.
BELT, LM
Replacement
of the
e/7
brush
of the slip-ring
A-6709-611-A
—}]/—;/]—;—]—|]—|]—-1!1¢
— |
—
assembly.
BRUSH
ASSY
Replacement
of
the
A-6709-615-A
upper drum.
DUR-43-R
O;e!/O}%;/O;1e);O0;}¢]
0
Check
the
brake
torque | A-6741-067-A
(Replacement of the
BRAKE BOLCK | — | —|—|
©]
—/|
—]|—|
oe]
—
brake shoe.)
ASSY, MAIN
Reel
Motor
about
4,000H
Capstan
Motor
about
3,000H
Cassette-up
Compart
Motor
about
30,000
times
Threading
Motor
about
30,000
times
Tension
Regulator
Unit (S)
about
5,000H
Tension
Regulator
Unit (T)
about
5,000H
Full
Erase
Head
about
4,000H
Time
Code
Head
about
4,000H
Audio/CTL
Head
about
3,000H
Fan
Motor
about
12,000H
3-10
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