Miscellaneous Component; Crankshaft And Camshaft Sprockets; Connecting Rod Bearing Undersize - Datsun 620 Series 1977 Service Manual

Datsun pick-up 620 series 1977 service manual
Table of Contents

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Engine
Mechanical
Connectlns
rod be
rlns
undersize
SID
0 25
0 0098
Undersize
0 50 0 0197 Undersize
0 75 0 0295
Undersize
MISCELLANEOUS
COMPONENTS
CRANKSHA
AND
CAMSHA
SPROCKETS
I
Check tooth surface for flaws
or
wear
Replace
sprocket
if
fault
is
found
2
Install camshaft
sprocket
in
posi
tion
and check for
rounout
If
it
exceeds
0
1
mm
0
0039
in
total
indicator
reading
repl
ce
camshaft
sprocket
Also
check
for end
play
Camshaft
end
play
0
08 to
0 3 8
mm
0 0032
to
0 0150
in
EMl48
Fig
EM 71
Checking
eam
haft
sprocket
Tunaut
Unit
mm
in
Bearing
top
thickness
Crank
pin
diameter
1 493
to 1
5 06
0 0588
to
0 0593
49 961
to
49 974
1
9670
to 1
9675
49711
to
49 724
1
9571
to 1
9576
1
618
to 1
631
0 0637
to
0 0642
1
743
to 1
756
0 0686
to 0
0691
49461
to
49 474
1
9473
to 1
9478
1
868
to 1
881
0 0735
to
0
0741
49 211
to
49 224
1
9374
to
1
9379
Fig
EM
72
Checking camshaft
end
play
3
Check
chain
for
damage
exces
sive
wear
or
stretch
at
roller links
Replace
if
faulty
4
To
properly adjust
chain
tension
or
valve
timing
camshaft
sprocket
has
a
earn
locating plate
and
three
location holes
Nos I
2 and 3
Camshaft
sprocket
is
preset
at
No
I
hole
at the
factory
If chain
becomes
loose
adjust
it
by setting
camshaft
sprocket
at
NO 2
hole
If
chain
is too
loose
adjust
it
by setting
camshaft
sprocket
at No 3
hole
2
3
Before
adjustment
Location
match
3
After
adju5tmen
t
EM311
Fig
EM 73
Adjuating camshaft aprocket
location
EM 19

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