Datsun 411 Series User Manual

ENGINE
Adjustment
is then
made
by
bringing
the
alternator
away
from the
engine
The
belt
Bhould be
sufficiently tight
to
prevent slip
yet
the
belt
should
have 10 to 15
mm slack
between
the
generator
and crankshaft
pulley
when
the
midspan
is
pushed firmly
After the correct tension
has been obtained
securely
lock
it in
position again
Frost Precautions
Freezing
may
occur first
at the
bottom of
the radiator or
in
the lower
hOBe
connections
Ice in the hose will
stop
water
circulation
and
may
cause boiling
A muff
can be used to
advantage
but
care
must be
taken not to run
with the
muff
fully
closed or
boiling
will result
When frost is
expected
or
when the car
is to be
used in
a
very
low temperature
make
sure that
the
strength
of the solution
is in
fact
up
to the
strength
advised
by
the manufacturers
The
strength
of the solution
must
be
maintained
by
topping up
with anti
freeze solution as neces
sary
Excessive
topping
up
with water reduces
the
degree
of
protection
afforded Solution
must
be made
up
in
accordance
with
instructions
supplied
with the
container
Top
up
when
the
system
is cold
If
the
cooling system
has to
be drained run
the mixture into
a clear
container
and use
again
Protection
by Draining
On
cars where anti freeze is not used the
following
precautions
mUBt
be
taken
during
frosty
weather
to
obviate
any
damage
due
to
freezing
of
the
cooling
system
When
heavy
frost
is imminent
the
cooling
system
must be
completely
drained It
is not
sufficient
merely
to
cover
the
radiator and
engine
with
rugs
and masks There are two
drian
cocks
one
on
the
left
hand
side
of
the
cylinder
block
and
the
other at
the
base
of
the
radiator block Both
taps
must be
opened
to
drain the
system
and
the
car must
be on level
ground
while
draining
The drain
taps
should be
tested at
frequent
intervals
by
inserting
a
piece
of wire
to enBure
that
they
are clear
This
should
be done
immediately
the
taps
are
opened
so
that
any
obstruction
freed
by
the wire
may
be flushed out
by
the
water
The
draining
should
be carried
out when the
engine
is hot
When
completely
drained
the
engine
should
be run for
a
timed
minute
to ensure that all
water
has
been cleaned from
the
system
A suitable notice
should
be
then affixed to
the radiator
indicating
that the
water has been
drained
Flushing
the Radiator
To ensure efficient
circulation of
the
coolant
and to reduce
the formation of scale and
sediment
in the
radiator
the
system
should be
periodically
flushed with clear
running
water
preferably
before
putting
in anti
freeze
in
the
winter and
again
when
taking
it
out
in
the
spring
The water
should be allowed to run
through
until
it comes out clear from the drain
taps
At
intervals
a
stiff
piece
of
wire
should be inserted
into the
taps during draining
to ensure
that
they
are not
becoming
clogged
with sediment
This method of radiator
flushing
may
serve
well but in cases
where the
urring up
is
excessive
the
operator
will find
it
more efficient
practice
to remove the radiator
completely
and
flush
in
the reverse
way
to the
flow
turn
the
radiator
upside
down and let the water flow
in
through
the bottom
hose connection
and
out
of
the
top
connection
Water
Pump
After
draining
the water
from
the radiator
remove
the
pump
unit
from
the
cylinder
block
by taking
off the fan belt and
releasing
the
setbolts with
spring
washers
and
hinge
bolts
to
dynamo
5
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Datsun 411 Series Specifications

General

Brand	Datsun
Model	411 Series
Category	Automobile
Language	English