Datsun 1000 - CHOKE INTERLOCK ADJUSTMENT; PRIMARY AND SECONDARY THROTTLE INTERLOCK ADJUSTMENT

7 Fuel
System
floal
to
the
carburet tor
top
cover
gasket
surface This
measurement should
be
10 5
mm 0 413 in
for 000
models
and
12 0 mm 0 472 in
for 1200
models
4
If
adjustment
is
required bend
the
float seat
tab
gently
with
a
pair
of
long
nosed
pliers
until
the desired
pleasurement
is obtained
With the
carbureltor
top
cover
still
inverted raise
the
float with the
fingers
until the
float
stopper
tab
contacts its
stop
6
Now
measure the
distance
between the
needle
valve
stem and the float
seat tab
This
measurement should
be within
the limits as
set
out
in the
Specificatio
section
un4er
F
oat Seat
Clearance
7 If
found n
cessary
bend
the float
stopper
tab with
a
pair
of
long
nosed
pliers
until
the Correct float seat
clearance
is
obtained
CHOKE INTERLOCK ADJUSTMENT
NOTE
When the
choke valve is
in
the
fully
closed
position
the
primary
throttle
valve
should be
opened
122
mm
0 048 in
This
wili
obtain a throttle
valve
opening angle vf
14
degrees from
the
fully
closed
position
1
Remove
the
carburettor from the
vehicle as
previously
described
2
Actuate the
choke
operating
lever
by
hand until
the
choice valye
is in the
fully closed
position
3
Using
a 1 22 mm
0
048 iiI
diameter
rod
as a
gauge
check
the
clearance
bet feen
the
primary
throttle
valye
and
the valve bore
4 If
the
throttle
valve
clearance
is
larger
or
smaller
FLOAT
ti l Ei
f
v
1
FLOAT S AT
1 3 1 7 mm o l o 066 n
CLEA CE
N ED LE VALVE STE
Method of
Checking
Float Seat Clearance
Float Must be
Raised
Against
Stop
to
Simulate
its
lowered pOsltio
1 22 mm
10 048
nl
OIA
PRI ARY THROTTLE VA VE
GAUGE
ROO
Method f
Checking
Cho e
Interlock
Adjustment
Both
Models
than
the
gauge
rod
then
carefully
bend
the
choke
connecting
rod
with a
pair
of
suitable
pliers
until the
gauge
will just
slide
neatly
between
the
throttle valve
and bore
PRIMARY
ANp
SECONDARY THROTTLE
INTERLOCK
ADJUSTME IT
The
secondary
throttle
valve should
begin
to
open
when the
primary
throttle valve is
opened
48
degreesIrom
the
fully
closed
position
This
angle
can
be assessed
by
40
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