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to the
he adlamp body and detach
the
rim together
with
diffuser and
reflector
from
the
headl amp
body.
Then press
out the
bulb
holders,
remove the connecting
block
from
the
double-filament
bulb
of the
high and lower beams
and
fit a new one following the
procedure
re-
verse
to
th
at
described
above.
In order
to
replace the parking light bulb take out the socket with
the
bulb
and take
out
the
bul,b from
the socket.
When
rep
lacing
a burnt-Gut bulib
in
the
pilot lamps (tl1LI.20E and
DLI.29Ll.),
take
the
lamp out
of
the
panel and
detach the
bu
lb from
the
socket.
When replacing a
broken
diffuser
or
repairing the
hea
dlamp, it
is
necessary
to clean the
reflector by bl owing
it
round
and
carefully
wiping
with
a clean flannel cloth
or
soft brush.
The
diffuser
with the
reflector may
be disassembled only in
exceptional cases, since fre-
quently performed
dismantling may
cause
damage to
the reflector.
When assembling the
diffuser
take
care
to ensure its
correct
instal-
latio
n.
•
In
case the
sound
of the
horn
deteriorates,
the
latter
should
be
a
djusted
by
turning the adjusting
.screw in
one
di·rection
or
the
other.
Every
1000
km, it
is
necessary to
check:
the
condition
of
the working surface
of
the
contact breaker
points
and the gap
between them (if
the
breake
r contacts
(points)
are worn
or
burnt, remove the
moving
contact and
fixed contact, clean the con-
tacts with
a
needle
file
and
wash them with petrol).
Every 5000 km run
check
the following:
the spark
g
ap
of the
plugs
(the gap
should
be equal
to 0.5-
0.6
mm); if
required,
clean
the
p.lugs
to
remove
the carbon
d.
e posit;
the
wi
res
for
r
eliai
b le
connection
;
the
bulbs
in
the
lamps
for
proper
fitting
and working
condition
;
if necessary,
clean
off
dust
f·rom the
headlamp
reflector and wipe
the
glass
of the lamps.
Wipe the storag-e
b
attery
to
remove dust
and
dirt,
clean
out
the
holes
in the
plugs,
clean
off
oxides from
the
b
attery terminals and
coat
the latter
with technical
petroleum
jel
ly,
check
the level
of
ele-
ctro
lyte
and
verify
the
electr.
o lyte density with
a
battery densimeter.
In
summer,
when
irt
is
hot,
check the electrolyte
density
every 5
to
6
days,
during other
seasons,
every 10 to
15 days. The level
of
the
electro
lyte
in
the
battery
must
be
10
to 12
mm
above the protective
shiel'd. If the
'level of the
electrolyte is
below the
s·pecified limits,
add
distilled
water
(water
evapor
ates
during usage
of
t he
b
attery).
Ele-
ctrolyte
is
to
be
added
on ly wh<!n it is exactly known that it has
been spilt.
Checking of
the
electrolyte
density
makes it
possible
to determi
-
ne the state of charge
of
the battery and, consequently,
its
working
condition. Particular
attention
should
be
given
to
the electrolyte
den-
sity
in winter.
A
discharged battery
may get f·rozen.
The
storage
b attery
may
be
utilized when discharged
by not
more
than
25
per
cent
in winter time, and
by
n
ot more than
50 per
cent
in summer
time.
78
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