DATSUN B110 1969 Service Owner's Manual

ted

compare
valve

ttmmg
data
wIth
the
valve

I

ttmmg
diagram
to

ensure
that

begmmng
and

endmg
of
stroke
for
all

cylmders
are
com

plymg
with

specified
advance
and
retard

figures

Cylinder
Block

Check
the

cyhnder
head

v1sually
for
defects

such

as
cracks
and
flaws

Measure
the

top
of
the

cyhnder
block

cyhn

der
head

matmg
face
for

warpmg
If
the

warp

exceeds
the
hmlt
correct
1t

Measure
the

cyhnder
bore
for
out
of
round

and

wear
WIth
a
bore

gauge
If
wear
or

out
of
round
IS
exceSS1ve
rebore
the

cyhnder

walls

by
means
of
a

bormg
machme

Umt

degree

a

b
d
f

c
e

248
248
14
54
12

56

Standard
MaxImum

tolerance

Surface
flatness
less
than

o

0020
o
0039

m

Distortion
limIt
0
101010

00039
In

Standard
0051010

100020
In

or
less

Fig
36

Cylinder
block
surface
check
Bogioe

When
wear
or
out
of
round
1S
mmor
and

wlthm
the
hmlt
remove
the

step
from
the

top

most

portIOn
of
the

cyhnder
by
the
use
of
a

ridge
reamer
or
other
slm11ar
tool

Piston
Piston
Pin
and
Piston

Ring

Check
for
seIzure
scratch

and
wear

Replace

as

reqUIred

Measure
Side
clearance
of
each

piston
rmg

and

ring
groove
WIth
the

piston
rmg
mstalled

on
the

piston
Clearance
of
a
new

pIston
and

p1ston
rmg
should
be
as
follows

Place
the

rmg
at
the
bottom
of
the

rmg

traveled

part
of

cyhnder
bore
m
wh1ch
It
wlll

be
used

Wear
limIt

02mm

0
0079
In
I

Fig
37

MeaSUring
the
cylinder
bore

SAO

I
O

I
f

Fig
38
Piston
and

connecting
rod

assembly

II

BogiDe

SIde
clearance

Standard
Wear
limIt

m

m

Top
rIng
o
0079

0015

to
0
0027

2nd

rIng

00015
to
0

0027
o
0079

Ot

rIng

00015
to
0

0031
o

0079

EM129

Fig
39
Side
clearance
measurement

Fig
40
Ring

gap
measurement

22
Rmg
gap

Standard
Wear
limIt

m
m

Top
rmg
o
0394

00079
to
0
0138

2nd

rIng
o

0394

00079
to
00138

OtlrIng
o
0394

00118

to
00354

Fig
41
Piston

pin

fitting
EM131

Fig
42

Measunng
piston
pin
diameter

Square

rmg
m
bore

by
pushing
It
mto

pos1t1on

wIth
the
head

piston
Measure

gap
between

ends
of

rmg
with
feeler

gauge

Gap
should
be
as
hsted
above

Note
a
When
the

piston
ring
only
is
to
be

replaced
without
the

cylinder
bore

bemg

corrected
measure

gap
at
the
bottom
of

the

cylinder
where
the
wear
is
minor

b
Overs1ze

piston
rings
are
avaIlable
for

service
50
100
150

oversize

Measure
the

piston
pm
hole
m
relation
to
the

outer
dIameter
of
the

pm
If
wear
exceeds
the

hmlt

replace
such

piston
pm
together
with

the

pIston
on
whIch
It
IS
mstalled

PI

ton

pill
dldmeter

06869
to
06871

PIston

pill
length

25681
to
5779

Piston

pm
hole
dta

meter
06874
to
0
6871

PIston

pm
to

piston

clearance
00002

to
OOUr
j

Interference
fit

of

piston

pm
to

connectmg
rod
o
0008

EM133

FIg
43
Connecting
rod

ahgner
Bngine

Flttmg
of

piston
pm

Determme
the

fittmg
of
the

piston
pm
mto

the

piston

pm
hole
to
such

an
extent
that
1t

can
be

finger
pressed
at

room
temperature

ThIS

piston
pm
rnust
be

tight
press
fitted
mto

the

connectmg
rod

Connecting
Rod

If

a

connectmg
rod
shows

any
scratch
or
score

mark

or
IS

pitted
on
both
Sides
of
the
thrust

face
and
the

large
end
correct

or

replace
It

Check
for
bend
or
torsIOn

usmg
a

connectmg

rod

ahgner
If
bend
or
torsIOn
exceeds
the

hmlt
correct
or

replace
the

connectmg
rod

When

replacing
the

connectmg
rod
select
the

rod
so

that

weight
difference
between
new
and

old
rods
IS
wlthm
0
18
oz
m
umt

weIght

Standard
MaXimum

Connectmg
rod
bend

bend

or

tOrsIon

per
100
mm
o

0020

or
3
94

m

length
o

00391
torsIOn

o
0028

I

Standard
MaXImum

BIg
end

play

00079
to
0
0118

I
U0157

FIg
44

Big
end

play
check

23

BogiDe

27
00
to

27
05
1063
to

1
0651

1910
to
1940
1910
to

19
40

0752
to

07641
0752
to
0

7641

49951
to
49
964

dl

11
9666
to
1
9671

ALL
MAIN
BEARING

JOURNALS
34
97
to

35
03

1
377
to

1

3791

44
961
to
44
974
dl

1
7701
to
1
7706

ALL
CRANK
PINS

UNIT
mm
m

Fig
45
Crankshaft

S

tanddrd
MaXimum

Taper
out
of
round

of

uank

Journal
and

o
0004
00012

crank

pm

Standard
MaxJmum

Crankshaft

bend

m

o
0006
o
0020

Install

connecting
rods
wIth

bearings
on
to

the

corresponding
crank

pinS
and
measure
the

thrust
clearance
If
the
measured
value
ex

ceeds
the
hmlt

replace
such

connecting
rod

Crankshaft

Check
the
crankshaft

Journal
and
crank

pin

for
scars
biased
wear
and
cracks

Repair
or

replace
as

reqUired

Check
the
crankshaft
for
bend
If
the
bend
ex

ceeds
the
hmlt

replace
the
crankshaft

Note
When

me
8

sJlring
jJ
nc
ldtSe
dial

gauge

14
Standard
Llmtl

Crankshaft
free
end

play
m
o
0020
to
0
0059
00118

EM141

Fig
46

Plasllgage

Bend
value
is
a
half
of
the

readmg
ob

tamed
when
the
crankshaft
is
turned

once
with
the
dial

gauge
applied
to
Its

center

journal

After

regrInding
the
crankshaft
fimsh
It
to

the

necessary
size

by

uSing
an

adequate
un

derSize

bearing
according
to

the
extent
of

reqUIred
repair

Install
the
crankshaft
In
the

cyhnder
block

and

measure
th
the
thruht
clearance

Check
the

main
drIve
shaft

pilot
beating
at

the

rear
end
of
the
crankshaft
for

wear
and

damage

Replace
It
1f

any
defects

are
detected

Bushing
and

Bearing

Check
all

bearIngs
and

bushings
for

seIzure

melt

scar
and
burr

Rgj
Jlace
bushings
If

any
defects
are
detected

Wipe
off
011
and
dust

especially
the

rear
of

the

bushing

Set
the

main

bearing
on
the

cap
block

Ingine

1
Cut
a

plastIgage
to
the
wIdth
of
the

bearing

and

place
It

m

parallel
with
the
crank

pm

gettmg
clear
of
the
011

hole

Install

the

cap
on
the

assembly
and

tighten

them

together
with
the

specified
torque

Tlghtentng

torque

36
to

43
ft
lb

Note
Be
sure
not
to
turn
the
crankshaft

when

the

plastIgage
is
Inserted

Remove
the

cap
and
measure
wIdth
of
the

plastlgage
at
Its

widest

part
wIth
the
scale

printed
tn

the

plastIgage
envelope

Crankshaft

Sprocket
and

Camshaft

Sprocket

Check
tooth
surfaces
for
flaws
and

wears

Replace
defective

sprocket

EM148

Fig
47
Camshaft

sprocket
run
out
check

Clearance

limit
0
1
mm

00039
m

1
Standard

0
02

to
0
08mm

0
0008

to
0

0031
m

t

Fig
48
Check

locatmg
plate
thrust
clearance
Install
the
camshaft

sprocket
m

posItion
and

check
for

run
out
If
It
exceeds

00039
tn

replace
the

camshaft

sprocket

Check
the

camshaft
thrust

deViatIOn
If
It

IS

deViated

replace
the
camshaft

locatmg
plate

Check

the
cham
for

damage
excessive

wear

and
stretch
at

ItS
roller
Imks

Replace
cham

If

defective

Flywheel

Check
the

clutch

diSC
contact

surface
of
the

flywheel
for

damage
and
wear

Repair
or

replace
If

necessary

Measure

deVtat10n
of
the

clutch
dISC

contact

surface
with

a
dial

gauge

If
It
exceeds
0

0079
m

replace
1t

Check
tooth
surfaces
of

the

ring
gear
for
flaw

and
wear

Replace
If

necessary

Note

Replace
the

ring
gear
at
about

356

to

392
F

ASSEMBLY

PrecautIOn

Use

thoroughly
cleaned

parts
PartIcularly

make

sure
that

011
holes
are
cleal
of

foreign

matter

When

mstalltng
sltdmg

parts
such

as

bearings
be

sure
to

apply

engme
011
to
them

Use

new

packmgs
and
011
seals

Keep
tools
and
work
benches

clean

Keep
the

necessary
parts
and

tools
near
at

hand

Be
sure
to
follow

specified

tIghtemng
torque

and
orders

Cylinder
Head

Assembly
of
valve
and

valve

sprmg

Set
the
valve

sprmg
seat
m

poSItIon
and

fit

the

valve

gUIde
with

the
011

hp
seal

21

BDgiDe

Fig
49
Valve
installatIon

STl
303001

EM156

Fig
50
Piston

pin
installation

FIg
51
Piston
and

connecting
rod

assembly

Assemble
the

parts
In

order
valve

sprmg

spnng
retamer
valve
collet
and
val

ve
rocker

gUIde

28
Note
Make
sure
that
the
valve
face
is

clear
from

foreign
matters

Piston
and

Connecting
Rod

Assemble

pIston
piston
pm
and

connecting

rod
assorted

accordmg
to

cyhnder
number
for

every
cylInder

Notes
a
P1ston

pin
is

press
fitted
to

the

connectmg
rod

tightly
and

fitting
force
is

from
1
to

3
tons
When

fitting
piston
pin

speCIal
tool
must

be
used

When

pressmg
the

piston
pin
into
the

con

necting
rod

apply
engine
oil
to
the

pin

and
the
small
end
of
the

connecting
rod

b

Arrange
the

connecting
rod
so
that
the

oil

Jet
of
the

connecting
rod

large
end
is

directed
toward
the

right
side
of
the

cylinder
block

InstallIng
piston
rmgs

Install
the

top
and
second

rings
In

nght

pOSItIOns
so
that
the
marks
are
faced

upward

FIX

bearings
on
the

connecting
rod
and
the

connecting
rod

cap

Note
Clean
the
back
side
of
the

bearmg

carefully

Engine

Set
the

cyhnder
block
on
the

workmg
stand

WIth
the

engine
bottom
faced

upSIde

Install
the
valve
hfters
Install
the
camshaft

and
retain

by
the
camshaft
locate

plate

Locate

plate
tightemng
torque
IS
2
9
to
3
6

ft
lb

Fig
52

Installing
camshaft
locate

plate

Bogine

Note

Set
the

locate

plate
so
as
the

LOWER

mark

comes
to

the

engine
bot

tom
side

Set
the

maIn

bearIngR
on
theIr

posItIOns
on

the

cylinder
block

Notes
a

The
center

bearmg
No
3

bearmg
is

a

flanged
type
for
thrust
force

b
Two

lOner

bearmgs
No
2
and
No
4

are

of
the
same

type

c
The
front

bearmg
No
1
IS
the
same

type
as
the

rear

bearmg
No
5

d

All

bearings
except
for

No
I

bearing

are

interchangeable
between

upper
and

lower

bearings

Apply
engIne
OIl
to
the

mam

bearIng
surfaces

on

both
sIdes
of
the

cyltnder
block
and

cap

Fig
53
Mam

bearing
caps

Fig
54
Crankshaft
end

play
check
Install
the

crankshaft

Install
the

mam

bearmg
cap
and

tighten
the

bolts
with

specified
torque

Tlghtemng
torque

36
to

43
ft
Ib

Notes
a

Arrange
the

parts
so
that
the

arrow
mark
on

the
bearing
cap
IS
faced

toward

the
front
of
the

engine

b
Prior
to

tightening
the

bearing
cap

bolts

place
the

bearing
cap
at
a

proper

posItIon

by
shlftmg
the

crankshaft
in
the

axial

direction

c

Tighten
the

bearmg

cap
bolts

gradually

in

separatmg
two
to

three

stages
and
out

wardly
from
the

center

bearing

d
After

securing
the

bearing
cap
bolts

ascertam

that
the
crankshaft

can
be

easily
rotated

Make
sure
that
the
crankshaft

end

play
IS

correct

Crankshaft
end

play

o
0020
to

0
0059
In

I
nstalI
the

rear
011
seal

Install
the

flywheel

securely
USIng
the

lock

washers
and

tighten
the
bolts
with

specIfied

torque

Tlghtemng
torque

47
to
54

ft
Ib

Rotate
the

engine
a

quarter
turn

and
mstall

the

piston
rod

assembly

Notes

a
Insert
the

pistons
in
the

corresponding

cyhnders

b

Apply
engine
oil
to

parts
as

required

c

Arrange

pistons
so

that
the
F
mark

on
the

piston
IS
faced
to

the
front
of
the

engine

d
Install

piston
rings
at
18
Y
to

each
other

avoIdIng
to
fit

them
In
the

thrust
and

pIston

pIn
aXial

directIOns

27

Bagine

Fig
55

ApplYing
adhesive

L

FIg
56

Flywheel
installation

c
0

FIg
57
Piston
and

connecting
rod

assembly
installation

281
Note

Arrange
connecting
rods
and
con

necting
rod

caps
so
that
the

cylinder
num

bers

are
faced
toward
the
same
direction

Install
the

connectmg
rod

cap

Tlghtenmg
torque

23
1
to

27
5
ft
lb

Make
sure
that
end

play
of
the

connectmg
rod

large
end

IS
correct

Big
end

play

00079
to

0
0118

Install
the
camshaft
and
crankshaft

sprockets

temporarily
for

adjustment
of
the
tooth

height

by

usmg
adJustmg
washers

Install
the

tlmmg
cham
and
camshaft

sprocket

Camshaft

sprocket
tlghtemng
torque

29
to

35
ft
lb

FIg
58

Connecting
rod

cap
installation

Fig
59
Big
end

play
check

Bogine

HeIght
dIfference

less
than

0
0197

III

AdJustmg
washer

0006

tluckness
m

Fig
60
AdJustmg
sprocket
tooth

heIght

a
IT

Match
mark

e

8

Tlsnaft

0w
1
hol

0

0
0
Matohma
k

Key
groove

Fig
61

Settmg
cham

r

f

r
0

tt

I

I

l
f

I

4

Fig
62
Cham

tensloner
Installation
Notes
a
Make
sure
that
the
camshaft

sprocket
dowel
hole
and

crankshaft

sprocket
key
are
in
line
and
both
the

dowel
hole
and

key
are
located
down

ward

b
Set
the

timing
cham

making
its

mating

marks
meet
with
those
of
crankshaft

sprocket
and
camshaft

sprocket
at

the

right
hand
side

Install
the

tlmmg
cham
tenslOner

and

tighten

the
tenslOner

bolts
to

a

torque
of
43
to

58

ft
Ib

Install
the
crankshaft
011
thrower

Check
the
temloner

spondle
projection

Wear
limit

Spindle
projection

t

Fig
63
Carn

sprocket
gear
mstallatlon

Fig
64
Checkmg
the

tension
spindle

projection

21

BDgiDe

Install
the

new
011
seal
to
the
front
cover
The

front

cover
011
seal
should
be

replaced
when

the
front

cover
IS
disassembled

Install
the
front

cover

applYing
the

seahng

agent
to
both
surfaces
of
the

gasket

Tlghtemng
torque

36
to

5
1

ft
lb

Install
the
ot
strainer
and
the
011

pan
uSing

the

gasket

Apply
seahng
agent
on
both
surfaces
of
the

gasket
especIally
on
the
front
and
rear

por

tlOns
of
the
011

pan

011

pan
tlghtemng
torque

2
9
to
4
3
ft
lb

Invert
the

engine
and
Install
the

cyhnder

head

assembly
and

gasket

Note

Apply
sealing
agent
overall
the

cylinder
block
surface
Place
the

gasket

on
It

and

apply
sealing

agent
to
the

gasket
top

Tighten
the

cylinder
head
bolts
to
the

peclfied
torque

Cylmder

bloLk

Side

Stecl

heet

Sealmg
agent
not

required

Cylinder

head

Side

Jomt

sheet

Remarks
Install

WIthout

applymg
sealing
agent

Be

careful
not
to

damage
the

push
rod
Side

because
thIS
SIde
has

prevIOusly
been

provIded

WIth

sealing
agent

J

30
v
o
The

cyhnder
head
uses
two

types
of
in

stallatIOn
bolt
one
IS
for
the
center

nght
SIde

and
the
other
IS
for
all
other

posItIOns
The

bolt
for
the
center

nght
Side
has

a
I

mark

on
ItS
head

L

1

Bolt
number
hh
nlltilatlOn
rJ

Dlaml
tl
f

j
031111003189
T

T
1M

E

u

pt
lor

CD

03492
to

0
3555
ot
rhJ

FIg
65
Head
bolt
segment

Fig
66
Tlghtenmg

sequence

O

rmg

4

ItI
CYlmder
head

Cylinder
h
ad

gasket

Cylinder
block

o

rtng
To
be
mserted

mto
hole

m

cylmder
block