Hitachi D-900 Sevice Bulletin
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No.
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DESTINATI
SUBJ
Reasons
l.
No
Parts
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i
DELS
MOD
TIONS
BJECT
-_jl"
__ainch
__ainch
i
L- ___
Change
capstarr.
HITACHI SERVICE
._
D-goo
f}]rrvtr-ee]-
o:î
short
is
roll-er bej.ng
roll-er bej.ng
-b_e_en-fenetbeasd-ìg-L-
changes
(A)
No.
1-72
ì94
parts
New
i
I
I
|
|
after
Description
f fylrreel(R)
nlywrreel-(r,)
changes
BULLETIN
and-
there is
deformeclrso
deformeclrso
L
I
FOR Y
Japan
340
ero
* Parts
-____s
^É
---z\
AB
---l
C.ange:
the length
the lengl
:
No.
6372609 FlpvheeJ-
637258.1 Tlyrheel
part
of
of the
Original
lssued
Issued by
Serial
(of
o"29-
No.'
factory)
of the
capstan has
parts
before
changes
Des cription
ji'-or_
Toka.i
f.-L12
!UK
Japan
'J-9
f
How
4.
5. Execution
to di
-l--
Interchangeability
spose of original
parts
in
stock.
À-É, A
e
A B: Both A
can be a substituete
+ +
(1)
B
(2)
and A
Scrap
AB
ne
B are
for B.
possible.
Before
A
A B: Not
changes
B:
can be
B
interchangeable.
a substitute for
A.
--i- --
''
:'--' i
--''-i-'.---:-'----i---
I
+.___ _
6. R",n".k"
I
I
I
_ _ _i_
--f-
-
-
I
i
j
from
j
from
Se"ial
No.
\Mhen
from
from li
ii
:--
li
11
Model
from
from
Serial
No.
When
No.
S3-iolz
MODELS
''._',..'.
-)nsrtuATloNs
I-r-
P.ur-poge
,
.
teèhalrltelgguncl
nodification has
...
2.
De.tail
f).
.
....
of changa
Crook AS
:
',
oceurs
been
spring
u-quu
ln
mad.e.
as
shorvx.
SPOP
moderso
belog.
to
f-mprove
lssued
Issued
Serial
(of
on
by
No.
factory)
itrfollowing
*+f+q8
]!okel-
I-lO?_
?
.
21.
Proeedlure
l.Crook
:'
Dinention
point
'
Z.Then
AS
tension. ff
readljust
3.After
And
Change
Adtlltion
spring
AS
of
AS controtr
check the
control
the crook of
as
Fan
of
tention
plate
measured
,dotted
a
1s 1-2ron
plate
bigin
tension
AS
assemblingrtum on the
confirm
of îe.ke-up
that abnsrmal
reel
of
washer
line..
fron AS
and chassis.
at polntnbr
to
start
to rotete
ie not
eprlng.
power.
gound.
:
*ake-*p
doesurt
controlspring
wfth
tension
withln
within
4-6
produceil
tzul
to iltersecting
gege
.4-6
that
gran
gramr.
on SîOP
:i:'
l-i
nodo.
UJashoÉ
TW%
arzr
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