Ri
s.
01
e~
lyte
l
eak
age
Des
pit
e the eIlorts
01
e
el
manulact",
ers, there
always exists a risk
01
laakago
01
the el
9Crol
yta,
espacially
from flat ba\1erias.
Such
a leakage may
cau
se
serious damage 10
lha
NAMA
, aspac
ialy
il
~
is
""pi
In
~ s
carrying
case
wh
dl
/
91
ains the
corrosiv(Iliquid.
Thus
:
il.
lor
any Ioogtll
01
time, you do
not
inWnd
lo
use
yow
NAGRA cn balleries, ,amolia
\ham
.
ff you
PQ
your battaries in a froo:zllf, you
practically stcD
Iheif
seIf·dlscharge.
whan your baIler",s are llal , mmove them
immediately.
~
a leakaga occurs. wash with water. The
NAG
RA
sutlers
much
less from watel' than
1/OnI
the electrolyte 01
too
balleries.
In ","dar 10 record and playback, the t
al'"
must
be
in a perfect contact wilh the heads. U
ntoot
tJna
tely,
cartain tapes lose some
01
the ~
oxide which may
then sa
llla
on
the heads. T
he
playback Ih
oo
becomes muffled and the ,ecording distorted.
Fcrtunstely, inspaction
of the haads is
""'y
easy
in the
NAGRA
E. II is sufficient 10 inspocI the
recorder
without the
tapa
. The
ad
ive part
01
the
head is
white and polished like a m
~fO
r;
it black or
bfc>wn
traces
are
llisibla
there
.
~
is
neces
sa
'Y 10
remove them,
II ,s not recomroondoo
10
n.t>
the heads when dry,
they should
be
cteaoad with a piece
01
welled
OOlI
on.
A1coh<.>1
is
good
, but water is accaptsble
t
"",
In urgoot cases the COfnllf cl a hai\dl<"'"Chlel,
wetted with some saliva. can be used. On
It>e
other hand, strong
sot...
ents, tike trichlorethylene
and similar liquids
must
never
be
used, as they
~ausa
the apoxy resins used in the manufacture
ot the haads 10 expalld.
Chapter
3
MAINTENANCE
3.1. BA
TT
ERIES
3.2.
CLEA
NtNG
THE
M
AGNETI
C
HEA
DS
11
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