Datsun C210 series Manual page 16

r
ET399
Fif
ET 10
Adjusting ignition liming
REPLACING
DISTRIBUTOR
BREAKERPOlin
Check distributor breaker
points
f
r
abnormal
pitting
and
wear
Re
place points periodically Make
sure
they
are
properly
aligned
and tHat
point
dwell and
gap
are
correct Clean
and apply
distributor grease
to
cam
lobes
Note
Do
not apply
grease
excessive
Iy
ET400
Fig
ET 11
Checking distributor
point
gap
Point gap
0 45
to
0 5 5
nun
0
018
to
0
022
in
Dwell
angle
350
to
410 degrees
CHECKING AND
REPLACING
SPARK PLUGS
I
Remove and clean
plugs
in
a
sand blast cleaner
Inspect
each
spark
Engine Tune up
plug Make
sure
that they
are
of the
specified
heat
range
2
Inspect
insulator for cracks
or
chips
Check both
center
and ground
electrodes
3
If they
are
excessively
worn
replace
with
new
spark
plugs
4
Replace spark
plugs
in accordance
with the
maintenance
schedule
Fig ET 12 Cheching sparh plug
gap
Tightcning
torque
15
to
25 N
m
1 5
to 2 5 kg
m
lito
18 ft lb
Spark plug
gap
0 8
to
0 9
mOl
0 031
to 0 0 35 in
Hellt range
BP6ES
L45PW
CHECKING
IGNITION
WIRING
Use
an
ohmmeter
to
check
resist
ance on
high
tension
cables
I Disconnect cables from spark
plugs
and
remove
distributor
together
with high
tension
cables
Note
Do
not remoy cables f
Icap
2 Connect the ohmmeter between
cable terminal
on
the spark
plug
side
and the
oorresponding
electrode inside
cap
3 If the resistance is
more
than
30 000 ohms
remove
cable Cram
cap
and check the cable
resistance
only
If
resistance
is
still
more
than 30 000
ohms replace cable assembly
ET
6
f7 l
Fig ET 13
Checking high
tension
cable
ADJUSTING
C RBURETOR IDLE
RPM AND MIXTURE
RATIO
Notes
a
Do not
attempt
to scr e w in idle
adjusting
SCTe V
completely
Doing
so
could
ause
damage
to
iip
which in turn
will
tend
o
cause
malfunctions
b On
automatiC
transmission models
adjustment
should be made in
N
p
sition
c
In air
conditioner
equipped models
idle
adjustment
should
be
carried
out
while air conditioner
is
OFF
Idle
adjustment
is
made by throttle
adjusting
screw
and
idle
adjusting
screw
after
engine
ds warmed up
e
Figure ET
14
fig
ET 14
I
ttle
End
idl
adju tingscrelU
With CO meter
CO
meter is very
useful
tool
for idle
mixture
adjustment
When
preparing
to adjust
idle mixture it is essential
that meter
be
thoroughly
w
rmed
and
calibrated
Warm
up
engine sufficiently and