EMISSION 
CONTROL 
AND
TUNE 
UP
reading 
cylinders 
through 
spark 
plug 
hole
Repeat
compression 
check 
on 
these
cylinders
1
If
compression 
improves 
considerably
piston 
rings
are 
defective
2 
If
compression 
does 
not
improve 
valves 
are
sticking
or
seating 
improperly
3 
If 
two
adjacent 
cylinders 
indicate 
low
compression
and
injecting 
oil 
on
pistons 
does 
not 
increase
compres
sion 
the
cause
may 
be 
a
cylinder 
head
gasket 
leak
between 
the
cylinders 
Engine 
oil 
and 
coolant
in
cylinder 
could 
result 
from 
this
problem
Compression 
pressure
12 
S 
to 
14 
S
kg 
cm2
178 
to
206
psi 
at 
3S0
rpm
Checking 
exhaust 
manifold 
heat
control
valve
Check 
heat
control 
valve 
for
proper 
operation 
If 
it
does 
not
operate 
properly 
trouble 
is 
due 
to
excess 
carbon
on 
shaft 
or
damaged 
shaft 
Clean 
if
necessary 
The 
bimetal
should 
be 
also 
checked 
for
proper 
function
IGNITION
AND
FUEL 
SYSTEM
Checking
battery
Check
electrolyte 
level 
in 
each
battery 
celL
L
Unscrew 
each
filler
cap 
and
inspect 
fluid 
leveL 
If
fluid
level 
is
low 
add
distilled 
water 
to
bring 
level
up 
to
app 
roximately 
10 
to 
20
mm 
0
3937 
to 
0 
7874 
in 
above
plates 
Do 
not 
overfilL
2 
Measure
specific 
gravity 
of
battery 
electrolyte 
ET002
Fig 
ET 
B
Checking 
the
specific 
gravity 
of
battery 
electrolyte
Permissible 
Full
charge 
value
value
at 
200C 
68OF
Frigid 
climates 
Over 
1
22 
1
28
Tropical 
climates 
Over 
1
18 
1
23
Other 
climates 
Over 
L 
20 
1
26
Clean 
the
top 
of
battery 
and 
terminals 
with 
a 
solu 
lion
of
baking 
soda
and 
water 
Rinse 
off 
and
dry 
with
compressed 
air
The
top 
of
battery 
must 
be 
clean 
to
prevent 
current
leakage 
between 
terminals 
and 
from
positive 
terminal 
to
hold 
down
clamp
In 
addition 
to 
current
leakage 
prolonged 
accumulation
of
acid 
and 
dirt 
on 
the
top 
of
battery 
may 
cause
blistering
of
the 
material
covering 
connector
straps 
and 
corrosion
of
straps 
After
tightening 
terminals 
coat 
them 
with
petro
laturn
vaseline 
to
protect 
them 
from 
corrosion
Checking 
and
adjusting 
ignition
timing
I
Check
spark
plugs 
and 
distributor 
breaker
points 
for
condition
2
Thoroughly 
wipe 
off 
dirt
and 
dust 
from
timing 
marks
on 
crank
pulley 
and 
front
cover
3 
Warm
up 
engine 
sufficiently
ET 
5 
EMISSION 
CONTROL 
AND 
TUNE 
UP
SERVICE 
DATA 
AND
SPECIFICATIONS
Valve
clearance
Hot 
Intake
Exhaust 
mm 
in
rom
in
rom 
in
kg 
lb 
0
35 
0 
014
0
35 
0 
014
10 
to 
15 
0
394 
to 
0 
591
10 
22
Fan 
belt 
tension
Tightening 
torque 
Cold
Cylinder 
head 
bolts
kg 
m
ft 
lb
1st
turn
2nd 
turn
Re
tightening 
torque 
Hot
Manifold 
nuts
Carburetor 
nuts 
4 
0
to 
4 
5
29 
to 
33
5 
5
to 
6 
0 
40
to 
43
6 
0
to 
6 
5 
43
to 
47
0 
9
to 
I 
4
6 
5 
to 
10
0 
5
to 
1 
0 
3
6 
to 
7 
2
1 
5
to 
2 
0 
II 
to 
14
Spark 
plugs
Oil
capacity 
of
engine 
including 
oil 
ftIter
Maximum 
L
US
gal 
Imp 
gal
L
US
gal 
Imp 
gal 
3
3
U 
14
2
3
Ii
Minimum
Water
capacity 
of
cooling 
system
Without 
heater
L 
US 
gal
Imp 
gal
With 
heater
L
US
gal 
Imp 
gal 
4 
2 
1
U
4 
9
I 
4 
11
12 
5
to 
14
5
I78 
to 
206 
350
Compression 
pressure 
at
rpm 
kg 
em
psi
Battery 
specific 
gravity
Permissible 
value 
Fully 
charged 
value
at 
200C 
680F
Frigid 
climates
Tropical 
climates
Other
elima 
tes 
Over 
1 
22
Over 
1
18
Over 
1 
20 
1 
28
1
23
1 
26
Ignition 
timing 
degree
Distributor 
50 
B 
T 
D 
C
Condenser
capacity 
mm 
in
degrees
IlF 
Micro 
Farad 
0
45 
to
0 
55 
0 
018
to 
0 
022
49 
to 
55
0 
22
5
Point
gap
Dwell
angle
Condenser 
insulation 
resistance 
Mil
Mega 
ohms
ET 
25