Ignition Timing; Points; Condenser - Datsun 510 Workshop Manual

l1aiDteDIDce
TUDe up
IGNITION TIMING
Check spark plugs
and distributor breaker
points
for condition
Thoroughly
wipe
oIl dirt and dust from
timing
mark
on
crank
pulley
and
timing
indicator
on
and front
cover
Warm
up
engine sufticiently
Install
a
timing light
on
No 1
cylinder spark
plug
wire and install
a
tachometer
Set
idling speed to
approximately
800
rpm
Check
ignition timing
if it is 50 B T D
l
iBefore
Top
of Dead Center
by
the
use
of
timing
light
If
necessary
adjust
it
as
follows
Loosen
set
screw
to
such
an
extent
that
distributor
can
be moved bv hand
Adjust ignition
timing
to
5
B T D C
Lock distributor
set
screw
and make
sure
thaI
timing
is
correct
Ignition timing
5 t
Retard side
1 Z Advance side
POINTS
Check the distributor breaker
points
for ab
normal
pitting
and
wear
Replace if
necessary
Make
sure
they
are
in
correct alignment
for
Fig
6
Adjusting ignition timing
full contact and that
point
dwell and
gap
are
correct
Clean and
apply
distributor grease
to
the
earn
and wick
Note Do
not
apply
grease
excessively
Point
gap
0 0177
to 0
0217 in
Dwell
angle
49
to
55 degrees
CONDENSER
Clean outlet of condenser lead
wire
and check
for loose
et
screw
Retighten
if
necessary
Check
condenser capacity witb
a
capacit
V
meter
Condenser insulation resistance
may
be also checked using
a
testcr
by adjusting
its
range
to
measure
large resistance
value
When condenscr is normal the
tester
pointer
swings largely
and
rapidly
and
moves
gradually
back
to
the intinite side When thc
pointer
does
not
stay
still
or
it
points zero
in
resistance replacement
is
necessary
Fig
7
Checking ignition timing
Fig 8
Checking
distributor
point
gap