fuel consumption DATSUN 610 1969 Workshop Manual
[x] Cancel search | Manufacturer: DATSUN, Model Year: 1969, Model line: 610, Model: DATSUN 610 1969Pages: 171, PDF Size: 10.63 MB
Page 5 of 171
t
r
Engine
type
Ovendi
cngth
1300
L
13
Overall
width
Oyerall
height
Turning
circle
din
metres
tfeet
Supen
eded
by
Track
font
rear
1400
c
c
car
Ground
dearance
Olin
Weight
dry
I
820
808
I
Fuel
tClflk
capacity
35
29
6
150
93
Fuel
consumption
aximum
peed
Technical
Data
BLUEBIRD
400
1600
1600
U4
U6
0
4
120
162
20
1
560
6142
410
55
51
420
55
91
10
2
33
5
270
50
0
2
420
95
281
215
8
5
885
1
950
210
8
27
930
2
050
10
1
12
33
2
27
7
50
931
28
2123
5
60
99
L
16
4
215
165
941
1
600
62
99
405
55
3
Ii
0
6
34
8
290
50
79
1
300
51
18
2
500
98
43
185
7
281
955
2
1061
12
14
5
28
2
23
5
60
991
BLUEBIRD
1800
L
18
3
0
5
57
320
5
971
000
2
2051
165
103
BLUEBIRD
1800
ESTATE
U8
4
280
168
501
4
5
557
330
52
361
1
065
2
348
Page 40 of 171
FLOAT
LEVEL
Adjustment
A
constant
fuel
level
in
the
float
chamber
is
maintained
by
the
float
and
ball
valve
Fig
D
12
If
the
fuel
level
is
not
in
accordance
with
the
level
gauge
line
it
will
be
necessary
to
care
fully
bend
the
float
seat
until
the
float
upper
position
is
correctly
set
Fig
D
13
The
clearance
H
between
the
valve
stem
and
float
seat
should
be
1
0
mm
0
039
in
with
the
float
fully
lifted
as
shown
Adjustment
can
be
carried
out
by
carefully
bending
the
float
stopper
Fig
D
14
until
the
required
clearance
is
obtained
SU
TWIN
CARBURETTORS
Adjustments
It
is
essential
that
the
two
carburettors
are
correctly
adjusted
if
peak
m3l1ce
and
economical
fuel
consumption
is
to
be
realized
Incorrect
carburettor
a
ljustment
will
have
an
adverse
affect
during
idling
and
on
acceleration
etc
Carburettor
synchronization
and
idling
adjustment
Run
the
engine
until
it
reaches
its
normal
operating
temperature
remove
the
air
cleaner
and
slacken
the
front
and
rear
throttle
adjusting
screws
the
balance
screw
and
the
fast
idling
setting
screw
Make
sure
that
the
front
and
rear
throttle
shafts
are
not
connected
Fully
tighten
the
idling
adjustment
nuts
of
the
front
and
rear
carburettors
Fig
D
15
the
back
off
each
nut
by
an
equal
amount
and
by
one
and
a
half
to
two
tUrns
Screw
in
the
front
and
rear
throttle
adjusting
screws
by
a
few
turns
and
start
the
engine
Allow
the
engine
to
reach
its
normal
operating
temperature
before
proceding
to
the
next
stage
Adjust
the
front
and
rear
throttle
adjusting
screws
until
the
engine
speed
is
reduced
to
approximately
600
700
r
p
m
The
engine
should
turn
over
smoothly
and
consistently
Apply
a
flow
meter
to
the
front
carburettor
air
cleaner
flange
and
turn
the
adjustment
screw
on
the
flow
meter
so
that
the
upper
end
of
the
float
in
the
glass
tube
is
in
line
with
the
scale
Uft
off
the
flow
meter
and
apply
it
to
the
rear
carburettor
air
cleaner
flange
without
altering
the
setting
of
the
flow
meter
adjusting
screw
If
the
position
of
the
flow
meter
float
is
not
aligned
with
the
scale
adjust
the
rear
carburettor
throttle
adjusting
screw
to
align
the
float
with
the
mark
on
the
scale
With
the
carburettor
flow
correctly
adjusted
turn
the
idling
adjustment
nuts
of
both
carburettors
approximately
1
8
of
a
turn
either
way
to
obtain
a
fast
and
stable
engine
speed
Both
nuts
must
be
turned
by
an
equal
amount
Back
off
the
front
and
rear
throttle
adjusting
screws
and
adjust
the
engine
speed
to
the
specified
value
of
650
r
p
m
for
the
standard
engine
or
700
r
p
m
with
vehicles
fitted
with
automatic
transmission
Make
sure
that
the
air
flow
of
both
carburettors
remains
unchanged
Screw
in
the
balance
screw
until
the
screw
head
contacts
the
throttle
shafts
without
changing
the
idling
speed
setting
Move
the
throttle
connecting
shaft
and
accelerate
the
engine
a
few
times
then
check
that
the
idling
speed
is
unchanged
Turn
the
fast
idle
setting
screw
to
increase
the
engine
speed
to
approximately
1500
r
p
m
and
recheck
with
the
flow
meter
that
the
air
flow
for
both
carburettors
is
correctly
matched
If
the
air
flow
is
uneven
it
will
be
necessary
to
readjust
the
balance
screw
Finally
back
off
the
fast
idle
setting
screw
Fig
D
16
and
decrease
the
engine
speed
Apply
the
flow
meter
to
the
carburettors
to
confirm
that
the
float
positions
are
even
Re
adjust
if
necessary
by
means
of
the
throttle
adjusting
screws
Stop
the
engine
and
fit
the
air
cleaner
SU
TWIN
CARBURETTOR
Dismantling
Piston
and
suction
chamber
Dismantling
Unscrew
the
plug
and
withdraw
the
piston
damper
Fig
D
17
Remove
the
four
set
screws
and
lift
out
the
suction
chamber
withdraw
the
spring
nylon
washer
and
the
piston
Take
care
not
the
damage
the
jet
needle
and
the
interior
of
the
suction
chamber
Do
not
remove
the
jet
needle
from
the
piston
unless
absolutely
necessary
If
a
replacement
is
to
be
fitted
ensure
that
the
shoulder
of
the
needle
is
flush
with
the
lower
face
of
the
piston
This
operation
can
be
accomplished
by
holding
a
strai
edge
over
the
shoulder
of
the
needle
and
then
tightening
the
set
screw
as
shown
in
Fig
D
18
Wash
the
suction
chamber
and
piston
with
dean
solvent
and
dry
with
compressed
air
Lubricate
the
piston
rod
with
a
light
oil
Do
NOT
lubricate
the
large
end
of
the
piston
or
the
interior
of
the
suction
chamber
NOZZLE
Dismantling
The
nozzle
See
Fig
D
19
can
be
removed
quite
easily
but
should
not
be
dismantled
unless
absolutely
necessary
as
reassembly
of
the
nozzle
sleeve
washer
and
nozzle
sleeve
set
screw
is
an
extremely
intricate
operation
To
remove
the
nozzle
detach
the
connecting
plate
from
the
nozzle
head
pulling
lightly
on
the
starter
lever
to
ease
the
operation
Loosen
the
retaining
clip
take
off
the
fuel
line
and
remove
the
nozzle
Be
careful
not
to
damage
either
the
jet
needle
oc
the
nozzle
Remove
the
idle
adjusting
nut
and
spring
The
nozzle
sleeve
can
be
removed
if
necessary
by
taking
out
the
set
screw
but
as
previously
stated
should
not
be
dismantled
unless
absolutely
necessary
SU
TWIN
CARBUREfTOR
Assembly
Assemble
the
piston
assembly
into
position
but
do
not
fill
with
damper
oil
Assemble
the
nozzle
sleeve
washec
and
set
screw
by
temporarily
tightening
the
set
screw
Set
the
piston
to
its
fully
closed
position
and
insert
the
nozzle
until
it
contacts
the
nozzle
sleeve
When
the
nozzle
jet
contacts
the
jet
needle
the
nozzle
sleeve
must
be
slightly
adjusted
so
that
it
is
at
right
angles
to
the
centre
axis
and
positioned
to
leave
the
nozzle
jet
clear
of
the
jet
needle
Raise
the
piston
without
disturbing
the
setting
and
allow
it
to
drop
The
piston
should
drop
smoothly
until
the
stop
pin
strikes
the
venturi
with
a
liaht
metallic
click
See
below
under
Centering
the
jet
Tighten
the
nozzle
sleeve
set
screw
remove
the
nozzle
install
the
idle
adjustinJ
spring
and
adjusting
nut
on
the
nozzle
sleeve
and
refit
the
nozzle
39
Page 126 of 171
N
Engme
SYMPTOMS
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Trouble
Shooting
Lubrication
System
SYMPTOMS
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