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l
aiDteDaDce
UDe
up
Install
a
timing
lIght
on
No
1
cyhnder spark
plug
WIre
and Install
a
tachometer
Set
Idhng ipeed
to
approximately
800
rpm
Check
19mtlOn tImmg
If
It
IS
50BTDC Before
Top
of Dead Center
by
the
use
of tlmmg
hght
If
necessary
adjust
It
as
follows
Loosen
iet
screw
to
such
an
extent
that
dlstnbutor
can
be moved
by
hand
AdJu it
IgmtlOn tIming
to
50BTDC
Lock dlstnbutor
set
screw
and make
sure
that tlmmg
IS
correct
IgnitIOn
tImmg
degreel
50
B T DC
Distributor Breaker Point
Check dlstnbutor breaker
pomts
for
abnormal
pItting
and
wear
Replace
If
necessary
Make
wre
they
are
In
correct
ahgnment
for full
con
tact
and that
pOint
dwell and gap
are
correct
Clean and
apply
dlstnbutor
grease to
cam
and
WIck
Note Do
not
apply
grease
excessively
Dl
tI
IbutOl
POint gap 0 018
to
0
022
In
Dwell
angle
49 to
55
degrees
Condenser
Clean outlet ofcondenser lead
WIre
and check
for loose
set
screw
RetIghten
If
necessary
Check
condenber
capacIty
With
a
capacity
meter
Fig
7
Checking Igmllon timing
Condenser msulatlOn
resistance
may
be also
checked
usmg
a
tester
by adjusting
ItS range
to
measure
large
resIstance
value When
con
denser
IS
normal
the
tester
pomter
swmgs
largely
and
rapidly
and
moves
gradually
back
to
the Infimte SIde When the
pomter
does
not
stay
still
or
It
pomts
zero
m
reSIstance
replacement
IS
necessary
Condenser
capacIty
022
J
F
MIcro Farad
Condenser InsulatIOn
resIstance
5 Mn
Mega
ohms
Spark Plugs
Remove
and
clean
plugs
In
a
sand
blast
cleaner
Inspect
each
spark plug
Make
iure
that
they
are
of the
specified
heat
range
In
ipect
msulator for cracks and
chIps
Check
both
center
and
ground
electrodes If
they
are
excessIVely
worn
replace
WIth
new
spark
plugs
File
center
electrode flat Set the
gap to
0031
to
0035
m
USIng the
proper
adjustIng
tool
Tighten plugs
to 11
0
to
150 ft Ib
torque
CARBURETOR
Idle
mixture
adjustment
requIres
the
use
of
a
CO
meter
When preparIng
to
adjust
Idle
mixture
It
IS
essential
to
have
the
meter
thoroughly
warmed and cahbrated
Warm
up
the
engme
suffiCiently
ContInue
engIne
operatIOn
for
one
mmute
un
der
ldhng speed
I
i
I
I
I
I
I
I
ETOQ4
Fig
8
Checking
dlstnbutor POint gap
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