remove seats DATSUN PICK-UP 1977 Service Manual

q

1

I

k

k
lO

i

I

37

9
to
38
1

eel
1
492
to
1
500
dis

co

q

0

45
597
to
45
613

1
795
to
1
796
dia
5
Correct

valve
seat
surface
with

new
valve

guide
as
the
axis

VALVE

SEAT
INSERTS

Check
valve
seat
inserts
for

any

evidence

of

pitting
at
valve
contact

surface

and
reseat
or
replace
if
worn

excessively

Valve
seat
insert
of
0
5
mm
0
0197

in
oversize
is
available
for

service
as

shown
below

Intake

Unit
mm
in
Engine
Mechanical

Fig
EM
45

Correcting
valve
seat

EM573

0

32

6
1

2835
dia

Exhaust

I
I

30

U81
dia
17
5
0
295

Unit
mm

in
37
580
to
37

596
1
4795
to
1
4802
dia

Cylinder
head
rece
diameter

For

factory
standard

insert

Intake

For
service
insert

For

factory
standard

insert

Exhaust

I
For
service
insert

Interference

fit

mm
in
Intake

Exhaust
Fig
EM
46
Seroice
valve
seat
dimensions

Unit

mm

in

45
000
to

45
016
1

7717
to
1

7723

45
500
to
45
516
1

7913
to

I
7920

37
000
to
37
016
1

4567
to
I
4573

37
500
to
37
516
1

4764
to
I
4770

0
081
to
0
113
0
0032
to
0
0044

0
064
to
0
096
0
0025
to
0
0038

EM
11
Replacln
valve
eat
In
ert

1
Old
insert
can
be
removed

by

boring
it
out
until
it

collapses
The

machine

depth
stop
should
be

set

so

that

boring
cannot
continue
beyond

the
bottom
face
of
the
insert

recess
in

cylinder
head

2

Select
a
suitable
valve
seat
insert

and

check
its
outside
diameter

3
Machine

cylinder
head
recess
to

the
concentric
circles
in

valve

guide

center
so
that
insert

will
have
the

correct
fit

4
Heat

cylinder
head
to
a

tempera

ture
of
150
to
2000C
302
to
3920
F

5
Fit
insert

ensuring
that
it
beds
on

the

bottom
face
of
its

recess
and

caulk
more
than
4

points

6

Newly
fitted
valve
seats
should
be

cut
or

ground
at
the

specified
dimen

sions

as
shown
in

Figure
EM
47

7

Apply
small
amount
of
fine

grind

ing
compound
to
valve

contacting
face

and

put
valve
into

guide
Lap
valve

against
its
seat
until

proper
valve
seat

ing
is
obtained
Remove
valve
and
then

clean
valve
and

valve
sea
1

4

Run
the

engine
at

varying
speeds

5

The

pressure
gauge
indicates

static
fuel

pressure
in
the
line

The

gauge
reading
should
be

within
the

following
range

0
21
to
0

27

kg
em2

3
0

to
3

8

psi

Note
If

the
fuel
in
carburetor
float

chamber
has
run
out

and

engine
has

stopped
clip
and

pour
fuel

into

carburetor
Fasten

clip
secure

ly
and

repe
1
static

pressure
test

Pressure
below
the
lower
limit
indi

cates
extreme
wear
on
one

part
or

a

small
amount
of
wear
on
each

working

part
It

also
indicates

ruptured
dia

phragm
worn

warped
dirty
or

gum

ming
valves
and
seats
or
a
weak

diaphragm
return

spring
Pressure

above
the

upper
limit
indicates
an

excessively
strong
tension
of
dia

phragm
return

spring
or
a

diaphragm

that
is
too

tight
Both
of
these
condi

tions

require
the
removal
of

pump

assembly
for

replacement
or

repair

CAPACITY
TEST

The

capacity
test
is

made

only

when
static

pressure
is
within
the

specifications
To

make
this
test

pro

ceed

as
follows

1

Disconnect

pressure
gauge
from

T
connector
and
in
its
vacant

place

install
a

suitable
container

as
a
fuel

sump

2
Run

engine
at
1

000

rpm

3
The

pump
should

deliver
1
000

cc

2
11

US

pt
of
fuel
in

one
minute
or

less

If
little

or
no
fuel
flows
from
the

open
end
of

pipe
it
is
an

indication

that
fuel
line
is

clogged
or

pump
is

malfunctioning

REMOVAL
AND

DISASSEMBLY

Remove
fuel

pump
assembly
by

unscrewing
two

mounting
nuts
and

disassemble
in

the

following
order

1

Separate

upper
body
and
lower

body
by

unscrewing
body
set
screws
Engine
Fuel

2

Take
off

cap
and

cap
gasket
by

removing
cap
screws

3
Unscrew
elbow

and
connector

4
Take
off
valve

retainer

by
un

screwing
two
retainer

screws
and
re

move
two
valves

5
To
remove

diaphragm

press

down
its

center

against
spring
force

With

diaphragm
pressed
down

tilt
it

until
the
end
of

pull
rod
touches
the

inne

wall
of

body
Then
release

diaphragm
to
unhook

push
rod
Be

careful

during
this

operation
not
to

damage
diaphragm
or
oil
se
L

i
J

EFOO7

Fig
EF

20
Remouing
pull
rod

6
Drive
rocker
arm

pin
out
with
a

press
or
hammer

8

o

6

7

8

@

INSPECTION

I

Check

upper
body
and
lower

body
for
cracks

EF
10
I
fuel

pump
cap

2

Cap
gasket

3
Valve

packing

4

fuel

pump
val
e

assembly

S
Valve
retainer

6

Diaphragm
assembly

7

Diaphragm
spring

8
PuRro

9

Lower
body
seal

washer

10
Lower
body
seal

11
Inkl
connector

12
Outlet
connector

13
Rocker
arm

spring

14
Rocker
arm

I
S
Rocker

artyl
side

pin

16
Fuel
pump
packing

17

Spacer
fuel

pump

fo
cylinder
block

EF510

Fig
EF
21
Slruc
ure
of
fuel

pump

2
Check

valve
assembly
for
wear
on

valve
and
valve

spring
Blow
valve

assembly
with
brea
th
to
examine
its

function

PROPElli

ER
SHAfT
DIFFERENTIAL
G

ARRIERf

Notes

a
PUller
should
be
handled
with

care

in

catchins
the

edge
of

bearing

inner

race

b
Be
careful

not
to

confuse
left
and

right
hand

parts

2
Remove

ring

gear
by
spreading

out
lock

strap
and

loosening
ring
gear

bolts
in

diagonally

3

Punch
off

pinion
mate

shaft
lock

pin
from

ring

gear
side

using
Solid

Punch
ICV31100300

KV31100300

PD022

Fig
PD

13

Removing
lock

pin

Note

Lock

pin
i
cauIked
at

pin
hole

mouth
on
differential
case

Do
not

punch
it
off

forCibly
without

checkins
how
it
is
uIked

4

Draw

out

pinion
shaft
and

re

move
thrust

block

pinion
mates
side

gears
and

thrust
washers

Note
Put
marks

on

gear
and
thrust

Wasliersotliat

they
can
be
reinstaD

ed
in

their

original
positions
from

which

they
were
removed

INSPECTION

Thoroughly
clean

all
disassembled

parts
and
examine

them
to
see
if

they

8re

worn

damaged
or
otherwise

faulty
and

how

they
are
affected

Repair
or

replace
ail

faulty

parts

whichever
is

necessaiy

I

Check

gear
teeth
for

scoring

cracking
and

chipping
and

make
sure

that

tooth
contact

pattern
indicates

correct

meshing
depth
If

any
fault
is

evident

replace
parts
as

required
Note
Drive

pinion
and

ring
gear
are

supplied
for

replacement
as
a
set

therefore

should
either

part
be

damaged
replace
as
a
set

2

Check

pinion
shaft
and

pinic
m

mate
for
scores

and

signs
of
wear
and

replace
as

required

Follow

the
same

procedure
for

side

gear
and
their
seats

on
differential

case

3

Inspect
all

bearing
races
and

rollers
for

scoring
chipping
or
evi

dence
of
excessive
wear

They
should

be
in

tiptop
condition
such
as
not

worn
and

with
mirror
like

surfaces

Replace
if
there
is
a
shadow

of
doubt

oil

their
efficiency
as
an
incorrect

bearing
operation
may
result
in
noises

and

gear
seizure

4

Inspect
thrust

washer
faces

Small

faults
can

be
corrected
with

sand

paper
If

pinion
mate

to
ide

gear

backlash
or

the
clearance

between

side

gear
and
thrust
washer
exceeds

limits
0

02

to
0
08
nun
0
0008
to

0
0031
in

replace
thrust
washers

S

Inspect
carrier

and
differential

case
for
cracks

or
distortion

If
either

condition
is

evident

replace

faulty

parts

6
As

a

general
rule

oil
seal
should

be

replaced
at
each

disassembly

ASSEMBLY

AND

ADjUSTMENT

Assembly
can
be

done
in

the

reo

verse

order
of

disassembly
The
foDow

ing
directions
for

adjustment
and

usage
of

special
tools
enable
to

obtain

a

perfect
differential

operation

PRECAUTIONS
IN

REASSEMBLY

I

Arrange
shims
w

shers
and
the

like
to
install
them

correctly

2

Thoroughly
clean

the
surfaces
on

which
shims

washers

bearings
and

bearing

caps
are
installed

3

Apply
gear
oil

when

installing

bearings

4

Pack

grease
cavity
between

lips

when

fitting
oil
seal

PD
8
ASSEMBLY
OF

DIFFERENTIAL
CASE

I

Assemble

pinion
mates
side

gears
thrust
block
and

thrust
washers

in
differential

case

2
Fit

pinion
shaft
to
differential

case
so

that
it

meets
lock

pin
holes

3

Adjust

pinion
mate

to
ide

gear

backlash
or
the
clearance

between
the

rear
face
of

side

gear
and
thrust

washer
to
0
02
to

0
08
mOl
0
0008

to
0

0031
in

by

selecting
side

gear

thrust
washer

Side

gear
thrust

WlISber

Thickness

nun

in

Over

0
7S

to
0
80

0
029S
to
0
03IS

Over

0
80
to
O
8S
Om

IS
to
0
033S

Over

0
8S
to
0
90
0

033S
to
0
03S4

Over

0
90
to
0
9S
0
03S4

to
0
0374

4

Lock

pinion
shaft
lock

pin
using
a

punch
after
it

is
secured
into

place

S

Apply
oil
to

gear
tooth

surfaces

and
thrust
surfaces
and
check
if

they

turn

properly

6
Place

ring

gear
on

differential

case

and
install

bolts
and
lock
washers

Torque
bolts
to

specification
and

bend

up
lock

strap

Tightening

torque

7
0
to
8
0

kg
m

S1to
Sifft
Ib

Notes

ao
Use

only
genuine
ring
gear
bolts

and
new
lock

strap

b

Tighten
bolts
in

criss
cross
fashion

lighdy
tapping
fOund
bolt

heac
Js

with
a
hammer

7

When

replacing
side

bearing

measure

bearing
width

using
a

stand

ard

gauge
20
00
nun
0
7874
in

thickness
and
a

weight
block
2
5

kg

S
S
Ib

prior
to
installation
See

Figure
PD

I4

Standard
bearing
width

20
00
nun
0
7874
in

2

1

Back
trim

2

Back
inside

imisher

3

Clip
1

CENTER
CONSOLE

REMOVAL
AND

INSTALLATION

Except
for
air
conditioner

equipped
models

I
Remove
two

bolts
from
rear
of

center
console

2
Remove
center
console

by
pulling

it
back

3
To

properly
install

center

con

sole
insert
its
front

portion
into

bracket
on
the
floor
and
install
and

tighten
rear
attaching
bolts

SEAT

DESCRIPTION

There
are

two

types
of

seats
a
semi

separate
bench
seat
for
the
standard

wheelbase
and

long
wheelbase
models

and
a

separate
seat
for

the
Deluxe
Cab

models

CAUTION

In

conforming
with
M

Y
S
s
No

302
be
sure
to

remove
the
thin

polyethylene
covers
from
seat

cushions
seat
backs

and
head

restraints
at
the
time
of

a
Pre
delivery

service

b
Parts

replacement
Body
Frame

BF0328

Fig
BF
45

Back
trim
and
back

inside
finisher

BE033B

Fig
BF
46

Removing
center
console

SEAT

BENCH
SEAT

8F
19
Air
conditioner

equipped

models

I
Remove
two
bolts
from

front
of

center
console

2
Remove

two
bolts
from
the
rear

and
remove

center
console

CONSOLE

WITH

ARMREST

DELUXE
CAB

REMOVAL
AND

INSTALLATION

I
Remove

two
bolts
from

front
of

console

armrest
unit

2
Remove

one
bolt
in
the

console

box
and

remove
center
console

3
Installation
is

the
reverse
order
of

removal

BF034B

Fig
BF
47
Console

with
annrest

JJ

t

qJ

1
Seat

assembly

2
Seat
slide

3
Seat
slide
lock
handle

4
Seat
slide
lock
wire

BF474A

Fig
BF
48
Bench
seal