wheel DATSUN B110 1973 Service Manual Online

ENGINE

AD
JUSTMENT

Idling
adjustment

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

calibrated

Warm

up
the

engine
sufficiently

2
Continue

engine
operation
for
one
minute
under

idling
speed

3

Adjust
throttle

adjusting
screw
so
that

engine
speed

is
800

rpm
in
N

position
for

automatic
transmission

4
Check

ignition

timing
if

necessary
adjust
it
to

the

specifications

Ignition
timing
50
800

rpm

5

Adjust
idle

adjusting
screw
so
that
ca

percentage
is

1
5
t
0
5

6

Repeat
the

adjustments
as

described
in

steps
3

and

5

above
so
that
ca

percentage
is
1
5

to
5
at
800

rpm

Cautions
a
On
automatic
transmission

equipped

model
check
must
be
done
in
the
0

position
Be
sure
to

apply
parking
brake
and

to
lock
both
front
and

rear
wheels
with
wheel

chocks

b
Hold
brake

pedal
while

stepping
down

on

accelerator

pedal
Otherwise
car
will
rush
out

dangerously

7
On
automatic
transmission

equipped
model
make

sure
that
the

adjustment
has
been
made

with
the
selector

lever
in
N

position

And
then
check
the

specifications
with

the
lever
in

D

position
Insure
that
CO

percent
and
idle

speed
are
as

follows

Idle

rpm
650

ca

percentage

with

lever
in
D

position
15
to
5

If

necessary
adjust
by

progressively
turning
throttle

adjusting
screw
and
idle

adjusting
screw
until
correct

adjustments
are

made

Notes
a
Do
not

attempt
to
screw
down
the
id
Ie

adjusting
screw

completely
to
avoid

damage
to
the

EF
14
tip
which
will
tend
to
cause
malfunctions

b
After
idle

adjustment
has
been
made
shift
the

lever
to
N
or
p

position
for
automatic

transmission

c

Remove
wheel
chocks
before

starting
the
car

Throttle

adjusting

screw

2
Idle

adjust

ing
crew

3
Idle
limiter

cap

4

Stopp
r

Fig
EF
23
Throttle

adjusting
screw
and
idle

adjusting

screw

Idle
limiter

cap

Do
not
remove
this

idle
limiter

cap
unless

necessary

If
this
unit
is

removed
it
is

necessary
to

fe

adjust
it
at

the
time

of
installation
To

adjust
proceed
as
follows

1
Make
sure
that
the

percentage
of

CO
contents

satisfies
the

specifications

2

Install
idle
limiter

cap
in

position
making
sure
that

the

adjusting
screw

can
further
turn
3

8
rotation
in
the

Ca
RICH
direction

j
j
Carburetor

stopper

o

u

o

i

r
3
8
rotation

0

0

Idle
limiter

cap

0
0

CO
lean

Fig
EF
24

Setting
idle
limite

cap

ENGINE
ElECTRICAL
SYSTEM

5

If
the

specific

gravity
is
above
1
260
200C
or
680F

after

charging
adjust
it

by
adding
distilled
water

6

Keep
any
open
flame

away
from
the

place
where
the

battery
is

being

charged

7

Replace
vent

plugs
and
clean
the

upper
face
of
the

battery
after

charging

BATTERY

FREEZING

Temperatures
at
which

battery

electrolyte
freezes

vary

with

acid
concentration
or
its

specific

gravity
A

battery

with

an
insufficient

state
of

charge
will

freeze
at
lower

temperatures
If

specific

gravity
of
a

battery
falls
below

I
I

the
indication
is
that
the

battery
is

completely

discharged
and
will

freeze

readily
when

temperatures
fall
below

freezing

point

Note
Use
extreme
caution
to
avoid

freezing

battery
since

it
will

usually
ruin
the

battery

o

I

I
1

G
10

I

1
o

i
20

I

u
30

I
I
0

40

I
0

SO

I

60

0

I
E

f
o

70

I

80

1
00

1
04
1
08
I
12

1
16
20

24
1

28
1
32

E

E004

Specific
gravity
of

electrolyte

Fig
EE
4

FTeezing
point
of
electrolyte

STARTI
NG

MOTOR

CONTENTS

OPERATION

CONSTRUCTION

REMOVAL

DISASSEMBL
Y

CLEANING
AND

INSPECTION

Terminal

Field
coil

Brush
and
brush

lead
wire

Brush

spring
tension

Armature

assembly

Over

running
clutch

assembly

Testing
brush

holder
for

ground
EE
3

EE
4

EE
4

EE

5

EE
6

EE
6

EE

6

EE

6

EE
6

EE
7

EE
8

EE
8

OPERATION

The

purpose
of
this

starting
system
is
to
crank
the

engine

When
the

ignition
switch
is
set

to
start
current
flows

through
the
series

and
shunt

coils
of
the

solenoid
and
Pinion

case

bearing
metal

Magnetic
switch

assembly

REASSEMBL

Y

TESr

Performance
test

Diagnoses
of
test

Magnetic
switch

assembly
test

SPECIFICATIONS
AND
SERVICE
DATA

Specifications

Service
data

TROU8LE

DIAGNOSES
AND

CORRECTIONS
EE
8

EE
8

EE
9

EE
9

EE
g

EE
10

EE
10

EE
11

EE
11

EE

11

EE
12

thus
the

solenoid
is
excited
The

plunger
is

pulled
into

the
solenoid
so
that

it

operates
the
shift
lever
to

engage

the
drive

pinion
with

flywheel
ring

gear
and

the

magnetic

switch
is

closed

EE
3

ENGINE

EE022

Fig
EE
18

Ground
test

of
armature

5
Check
the

armature
for
short
circuit

by
placing
it

on

an
armature
tester

placing
a
hack

saw
blade
over
the

armature
core
and

by

rotating
the
armature
If
the
saw

blade
vibrates
armature
is
short
circuited

EE023

Fig
EE
19
4
rmature
test

for
short
circuit

6
Check
the

armature
for

continuity
by

placing
probes

of
a
tester
on

two

segments
side

by
side

If
the
tester

shows
no

conduction
the
circuit
is

open

Over

runnmg
clutch

assembly

Check
the

over

running
clutch
for

operation
and

replace
if
the
clutch
is
defective
due
to

slippage
or

dragging

Inspect
the

pinion
assembly
and
sleeve

Slceve
must

slide

freely
along
the
armature
shaft

spline
I

f

damages
are

found
or
there

is
a
resistance
while

sliding
replace
Inspect
the

pinion
teeth
for
excessive

rubbing
and

replace

as

required
Check
the

flywheel
ring
gear
also
for

damage

and
wear

Testing
brush
holder
for

ground

Place
one
test

probe
of
a
circuit
tester
on
to
the
rear

cover
and
the
other
on

to
the

positive
side
brush

holder
If

the

tester
shows
conduction
the
brush
holdcr
is
shorted

to

ground
Replace
the
insulator
or
brush
holder

od

l

Fig
EE
20

GTound
test

of
bTush
holder

Pinion
case

bearing
metal

Inspect
the

bearing
metal
for

wear
and
sidc

play
If
the

clearance
between
the

bearing
metal
and
the

arma
ture

shaft
is

mOTe
than
0
2

mm
0
0079
in

replace
the
metal

Install
a
new

bearing
and

adjust
the
clearance

to
0
03

to

0
10
mm
0
0012
to
0

0039
in

Install
the

bearing
metal

so

that
the
end
of

the

bearing
metal
is

flush
with

gear
case

end

plane

Magnetic
switch

assembly

Inspect
the

magnetic
switch

contact
surface
If
the

contact

surface
is

rough

replace
Replace
the

pinion

sleeve

spring
if

weakened

When

inspecting
the
series

coil

apply
voltagc
8
to

12V
between
Sand
M

terminals
The
series
coil
is
normal

if

the

plunger
is
attracted

When

inspecting
the

shunt
coil
connect
the

S
terminal

M

terminal
and
switch

body
as
shown

in

Figure
EE
21

With
the

plunger
attracted

open
the

M
terminal
The

EE
S

CHASSIS

REMOVAL

The
clutch

assembly
is

dismounted

primarily
in
the

same
manner
as
the

engine
assembly
Thus
when
dis

mounting
the

clutch

assembly
refer
to
the
Section

TM

Transmission
Removal
and
other

relative
sections

W

II

11
I
Clutch

assembly

I
2

I
Clutch
disc

assembly

Fig
CIr2
Clutch

assembly
and
disc

assembly

DISASSEMBLY

When

separating
the
clutch

assembly
from
the

flywheel
loosen

and
remove
the
installation
bolts

diago

nally
and

gradually

Note
When

separating
the
clutch

assembly
from

the

flywheel
support
the
clutch

cover

sufficiently
and

loosen
the
installation
bolts

gradually
and

carefully

because
the

diaphragm
spring
tension
is

always

applied

2

Removing
release
mechanism

I
Remove

the
dust
cover
from
the
clutch

housing

2
Remove

the
return

spring
from

the

bearing
sleeve

and

separate
the
withdrawal
lever
from

the

bearing
sleeve

3
Remove

the
release

bearing
and

bearing
sleeve

from

the

front
cover
and
remove
the
withdrawal

lever
from
the

withdrawal

lever
ball

pin
1

I
Withdrawal

lever
3

Release

bearing

2
Return

spring

Fig
CL
3

Disassembling
release
mechanism

3
Withdraw
the

release

bearing
from
the

bearing
sleeve

by
the
use
of
a

bearing
puller

I
t

I
Release

bearing

I
2

I
Bearing
sleeve

Fig
CIr4

Withdrawing
rekas

b04ring

INSPECTION
AND

ADJUSTMENT

Thoroughly
clean
all

disassembled

parts
except
for

disc

assembly
and
release

bearing
and
check
them

for

wear

crack
and
other

defective
conditions

Clutch

assembly

I

Check
the
clutch
cover

diaphragm

spring
pressure

plate
etc
for
excessive

wear
crack
and

damage
When

noise

occurs
on
the
clutch

assembly
replace

CL
2

CLUTCH

J

I

I
Withdrawal

lever

2
Return

spring

I
31
Release

bearing
ST20610000

iwn

rm
hj

sf

W

Fig
CL
13

Installing
release
mechanism

REINSTALLATION

L
Clean
the

clutch

pilot
bushing
and

fill
it
with

multi

purpose
grease

2
Install
the
disc

assembly
and

clutch

assembly
on
the

flywheel
by
the
use

of
a

special
tool
clutch

aligning
bar

ST206
I
0000
12
I
Flywheel

Clutch

assembly

131
Clutch
disc

assembly

Fig
CL
14

Installing
disc
and
clutch

assembly

CLUTCH
CONTROL

CONTENTS

DESCRIPTION

CL
5
Removal
CL
9

CLUTCH
PEDAL

Hydraulic
clutch

CL
6
Disassembly
CL
9

Removal

CL
6
Inspection
CL

9

Inspection
CL
6
Reassembly
CL
9

Reinstallation

CL
6
Reinstallation

CL
10

Adjustment
CL
6
OPERATING
CYLINDER

Hydraulic
clutch

CL
10

CLUTCH
PEDAL
CLUTCH
CONTROL
Removal

CL
10

CABLE
Mechanical
clutch
CL
7
Disassembly
CL
10

Removal
CL
7
Inspection
CL
10

Inspection
CL
7
Reassembly
CL
10

Reinstallation

CL
7
Reinstallation
CL
10

Adjustment
CL

7
ADJUSTING
WITHDRAWAL
LEVER
CL

10

CLUTCH
MASTER
CYLINDER
BLEEDING
CLUTCH
SYSTEM

Hydraulic
clutch
CL
9
Hydraulic
clutch
CL
11

DESCRIPTION

The
B
I
IO

series
vehicles
with

left
hand

steering
wheel

and

right
hand

steering
wheel

respectively
adopt
hydraulic

type
and
mechanical

type
clutch
control

systems
The

hydraulic
type
clutch
control

system
consists
of

pendent
clutch

pedal
master

cylinder
operating
cylinder

and
withdrawal
lever
The

withdrawal
lever
is
of
an

inner

CL

5

CHASSIS

SERVICE

DATA
AND

SPECIFICATIONS

Clutch
release

lever

Release

bearing
ta

diaphragm
spring

withdrawal
lever
clearance

Diaphragm

spring
to

flywheel
height

Gutch
disc

Facing
size

Outer

dia
x
inside
dia

x
thickness

Total

friction
area

Thickness

of
disc

assembly

Free

Compressed

Number
of
torsion

spring

Allowable
minimum

depth
of
rivet

head

from

facing
surface

Allowable

facing
run

out

Allowable

free

play
of

spline

Clutch

pedal

Pedal

height
when
not

depressed

Free

travel
of

pedal
head

Pressing

strength
at
full
stroke

Master

cylinder
clutch

Master

cylinder
diameter

Allowable
maximum
clearance

between

cylinder
and

piston
Hydraulic
clutch

0
7

to
I
4
mm

0
0276
to

0
055
in

29

to
31

mm

I
142
to
1
220
in

180
x
125
x
3
5
mm

7
09
x
4
92

x
0
140
in

264
cm2
40
92

sq
in

7
6
to
8

0
mm

0
2992

to
0
3150

in

6
7
to
7

0
mm

0

2638
to
0
2756
in

6

0
3

mm
0
0118
in

0
5

mm
0
0197
in
at

radius
85
mm
3
346

in

0
4

mm
0
0157
in

141
5
mm
5
57
in

30

mm

J
181
in

10
8

kg
23
8
Ib

15

87
mm
5
8
in

0
15

mm
0
0059

in

CL12
Mechanical
clutch

0

9
to
I
2
mm

0
0354
to
0
0472
in

136
5
to
146
5
mm

5

4
to
5
8
in

II
to

15mm

0
433
to
0
591
in

8
3

kg
18
31b

CLUTCH

Operating
cylinder
clutch

Operating
cylinder
diameter

T
Ilhtening
torque
19
05
mm
0
750
in

Clutch

assembly
securing
bolt
1
5
to
2
2

kg
m

10
8
to
15
9

ft
Ib

TROUBLE
DIAGNOSES
AND

CORRECTIONS

Condition

Noises
audible

on

pedal

depression

Noises
audible

on

pedal
release
Probable
cause

Excessively
worn

damaged
or

poorly
lubri

cated
release

bearing

Seized
release

bearing
and

diaphragm

spring

fingers

Insufficient

pedal
free
travel

Weakened

unhooked
or
broken
clutch

pedal

return
and
control

springs

Weakened
clutch
withdrawal
lever
return

spring
broken
or
unhooked

Excessive

play
between
clutch
disc
hub
and

drive
shaft

spline

Misalignment
of
clutch
disc
to

flywheel

causes

slight
movement
of

disc
hub
in

respect
of

facings

This
noise
is

especially
audible
with

engine

idling
or

at
low

speed

Broken
or
weakened
clutch
disc
cushion

springs

Insufficient

pedal
free
travel

Weakened
unhooked
or
broken
clutch
con

trol
and

pedal
return

prings

CL
13
Corrective
action

Replace
the

bearing
which

being
cased

cannot
be

greased
inside

Replace
the
release

bearing
Clean

diaphragm

spring
fingers
with
metal
brush
and
smooth

out

bearing
contact
faces
with
felt

polishers

Readjust
pedal
free
travel

correctly

Set

springs
in

position
or

replace
them
if

weakened
or

snapped

Replace
the

spring
or
hook
it

up
as

required

Replace
the
clutch
disc
and

ensure
that

clearance
between

hub
of
new

clutch
and

drive
shaft
is

within
0
50
mm
0

0197
in

endwise
and
0

20
mm
0

0079
in
crosswise

When
clearances
exceed
above
limits

replace

the
drive
shaft
also

Set
level
of
clutch
disc
with
clutch
disc
in

place
on

drive
shaft
set
it
under

slight

rotation
and
check
for
no
run

out

using
a

scriber

Replace
the
clutch
disc

Set

pedal
free
travel

correctly

Check
the

springs
for
correct

position
and

replace
them
if

necessary

The
clutch

drags
CHASSIS

Weakened
broken

ur
unhooked
clutch
with

drawallever
return

spring

Distorted
or
worn
drive

shaft

Excessive

play
of
release

bearing
on

slip

sleeve

Insufficient

push
rod

length

Excessive

pedal
free
travel

Warped
clutch
disc

Roughened
linings

Improperly
fitted
loose
or

broken

lining

Incorrect
release

bearing
to
diaphragm

spring

fmger
clearance

Clutch
disc
hub

forcing
on
drive
shaft

Damaged
drive

shaft

splines
prevent
the

clutch
disc

from

sliding

Oil
or

grease
on

linings

Warped
or

damaged
pressure
plate
or

clutch

cover

Air

pockets
in
the

hydraulic
system
not

bled

correctly

Dirt
or

foreign
matter
on

sealing
faces
of

master

cylinder
piston
cup

Air

pockets
in
master

cylinder
due
to
loose

piston

Fluid

leakage
from
cylinder

Low
fluid
level
in
reservoir

CL14
Replace
the

spring
or
hook

it

up
as

required

Replace
the
drive
shaft

and
clutch
disc
if

necessary

Replace
the
worn

parts

Adjust
the

push
rod

length
correctly

Adjust
free
travel
correctly

Set
level
of
clutch
disc
if

possible

Maximum

plate
run
out
0
25

mm
0

0098

in

Repolish
linings
with

a
metal
brush
or

replace
them
if

necessary

Replace
linings
Lining
rivets

should
be

clenched
with

no

protrusion
to
avoid

damaging

pressure
plate
and

flywheel

Adjust
correctly

Locate

cause
of
trouble
and

remove
it
if

possible
Otherwise

replace
the
clutch
disc

Replace
the
drive

shaft
also
the
clutch
disc

if

required

Locate
the
cause
of
oil
or

grease
leakage
and

correct
it
as

required

Clean
or

replace
linings

Replace
defective

parts

Bleed
out

completely

Clean

replace
piston
cup
if

damaged
and

bleed
the

system

Replace
piston
cup
and
bleed
the

system

Replace
piston
cup
if

damaged
bleed
the

system

Top
up
with
brake

fluid
and
bleed
the

system
if

necessary

CLUTCH

Clogged
vent
hole
in
reservoir

cap
promotes

vacuum

in
master

cylinder

allowing
air

to

inf1ltrate

past
the
seal

Abnormal

lining
wear

Insufficient

pedal
free
travel

The
clutch

grabs

The
clutch

slips
Driver

steps
unnecessarily
on

pedal
this

causes
lin

jog
wear

and

damage
to
release

bearing

Weakened

or

snapped
pressure
springs

Incorrectly
installed

linings

Oil
or

grease
on

flywheel
pressure
plate
and

linings

Loose

disc

linings
due

to

poor
rivet

tightness

Clutch
disc

hub
does
not

slide

freely
on

drive
shaft

spline

Warped
or
cracked

pressure
plate

Misalignment

Stiffened

hydraulic
control
mechanism

Wom
out

lining

Insufficient
clutch

pedal
return

travel
due

to
the
control
and

pedal
return

springs
being

weak
or

misadjusted

Weakened
or
broken

diaphragm
spring

Oil
or

grease
on

linings

eLl5
Clean
reservoir

cap
unclog
the
vent

hole
and

bleed

the

system

Adjust
clutch

pedal
free
travel

correctly

Advise
driver

to
discontinue

wrong

practice

and

step
on

clutch

pedal
only
when
ne

cessary

Check

pressure
springs
for
tension
as

speci

fied
and

replace
springs
if

they
are

unserviceable

Replace

linings
with
new
ones

and
install

them

correctly
Check
clutch
disc
for
center

alignment

Remove
cause

of

leakage
clean

flywheel
and

pressure

plate
thoroughly
replace
linings

If

linings
are
not
worn

replace
defective

rivets

Otherwise

replace
linings
and
clench

rivets

securely

Remove

any

foreign
matter
or

dirt

deposits

from
shaft

splines
When
trouble
is

still

present
replace
damaged
parts

Replace
pressure

plate

Locate
the
defective

point
and
if

possible

adjust
alignment
or

replace
distorted

parts

Check

spring
tension

If

necessary
take

down

pedal
and

lubricate

components

Install
new

linings
and

make
sure
tha

t
the

clutch

disc

pressure
plate
and

flywheel
are

not

damaged

Locate

cause
of
failure
and

replace
defective

springs

Overhaul
clutch
and

replace
springs

Remove
cause
of

leakage
and

replace
linings

if

cleaning
is

ineffective

TRANSMISSION

COLUMN
SHIFT
CONTROL
SYSTEM

Removal

Remove
the

steering
wheel

assembly

Fig
TM
54
Rem01

ing
steering
wheel

2
Remove
the

steering
column
shell
cover
turn

signal

and

lighting
switch

completely

Fig
TM
55
Removing
steering
column
shell
cover
Fig
TM
56
Removing
turn

signal
and

lighting
switch

3
Remove
the

snap
ring
and
control
lever

pivot
pin

and
withdraw
the
hand
lever

A

A
V

l
Y

e

f
I
1

I

V

e

tl
f

r
4

2i
L

1

I
Snap
ring

2
Control
lever

pivot
pin

I
3

I
C
washer

Fig
TM
57
Withdrawing
hand
ever

4
Remove
the

C
washer

TM
17
i

MI
ig

r
M

5J
emOVing
change
lever

J
y

Ji

1

r

oJ