Ignition System Circuit Diagram; Distributor; Checking And Adjustment - Datsun 1200 1971 Workshop Repair Manual

lenition Sptem
IGNITION
SECONDARY
COI L
COI L
CAP
BREAKER
POTNT
cr
r
7
W
tc
l
uToRI
8
TO STARTER
l
J
ROTOR HEAD
SPARK PLUG
Fig 19 Igmtlon system
Circuit
diagram
The
IgmtlOn
CirCUIt conSIsts
of the distributor
IgmtIon
cOli
IgmtIon
sWitch
spark plugs
hIgh tensIOn cable and the
battery Figure
76
shows
IgmtlOn
CirCUIt
DISTRIBUTOR
Construction
The dIstributor
consists
of
high
tension
voltage
part
SWitch off
part
centrifugal
ad
vancing
angle
part
vacuum
advance
mechamcal
part
and
drlvmg
part
Figures
77 and 78 show the
constructIOn
and
exploded
view
Checking and Adjustment
Cap and
rotor
head
must
always
be
kept
clean
to
maintain
good
insulation
durability
since
high
tensIOn voltage
from
IgmtIon
cOil
IS
Im
posed
on
them SometImes inside of the
cap
and rotor head
IS
covered wIth fine carbon
partIcles
and dust Whenever crack
or
trace
of
leakage
IS
found
on
the
cap
replace
w1th
a
new one
44
Recommended the
rotor
head also be
replaced
wIth
a new
one
If
excessively damaged
When
pomt
surface
IS
roughened
due
to
bur
nlng
polish
with
a
fine
emery paper
No 500
or
600
or
011
stone
When the point
IS
worn
excessively replace
When the
POIn
IS
replaced with
a new one
apply grease to
the
arm
pivot
receiver
and
cam
surface For
causes
of
damaged
burnt
point
Improper
pomt contact
msufficlent
point
gap
and
defective condenser
are
conSidered
The standard
pomt
gap
IS
0 0177 to 0 0217
m
When gap
IS
devIated from the standard
gap
adjust
Turn the shaft
to
a
posItIon
where the
breaker
arm
heel rides the
cam
lug
a
posItIon
where
pomt
gap
IS maxImum
loosen the gap
adjusting
screw
apply
a
thIckness gauge bet
ween
contacts
and
adjust
to
the standard
pomt
gap
When measurmg breaker
pomt
spring
ten
SIOn
apply
sprmg
tensIOn
gauge
to
the
breaker pomt and posItIon the
sprmg tenslOn
gauge
m
right angle
agamst
the breaker
arm