Specifications

Datsun
Fuel
System
SECONDARY
THROTTLE
VALVE
A 74mml
PRIMARY THROTTLE
VALVE
Fig
51 Interlock
opemng adjustment
throttle valve
480 from
fully
closed
posItIOn
and
measure
A
be
tween the throttle
valve
and
the
throttle chamber
InsIde wall
FIg
51
2
Wahout
dIsturbIng
the
settIng
bend the
connectmg
rod as
neces
sary
so that the
secondary
throttle
valve
IS about
to
open
Check to
make
sure the
lInkage system
works
smoothly
It Will
only
take about 15
mmutes to
do
thIS
Job
Dash Pot
Adjustment
Automatic TransmissIOn
Models
Only
Make sure the Idle mixture and
Idle
speed
are
adjusted correctly
2
Start the
engme
and let a Idle
untIl
warmed
up
Top
radiator
hose
IS
warm
3 Attach
a tachometer
according
to
the man ufacturer
s
InstructIOns
and
loosen the dash
pot
locknut
FIg
52
4
Turn the throttle
valve
by
hand
until
the dash
pot Just
reaches the
stopper
lever
5
Adjust
the
posItIOn
of
the dash
pot
by turnmg
the
adjusting
nut
untIl
engine
speed
IS
between 1 500
to
2 000
rpm
With the dash
pot Just
touchmg
the
stopper
lever
6
TIghten
the locknut
7
Bnefly
accelerate the
engine
and
let It slow down
to
Idle
speed
TIns
should take about three seconds
If
not
repeat steps
4
5 and 6 untIl the
55