boot DATSUN B110 1969 Service Repair Manual

Bngine

WIres
for
accelerator
and
choke
The

operatIOn
Will
be
carned
out
more

easily
by

removing
the

a1r
cleaner

Lift

up
the

engine
toward
the
front

INST
ALLA
TION

Install
the

engine
In

reverse

sequence
of

removal

Disconnecting
clutch

wire
on

nght
hand
dnve

model
On

left
hand
dnve
model
disconnect

hydraulIc
line
from
the
clutch
slave

cylInder

DIsconnect
the
clutch
WIre
at
the

JXlrtlOn
of
the

wIthdrawal
lever

Remove
the
exhaust
front
tube

Disconnect
the
the
cable
to
the
back

up

lamp

SWItch

D1sconnect
the

speedometer
cable

Remove
the

propeller
shaft

Remove
four
bolts
used
In
the
differential

carner
SIde
and
Withdraw
the

propeller
shaft

Remove
the
shift
lever

Model
With
remote
control
shIft
lever

Disconnect
the
remote
control
rod
at
the

JXlr

tlOn
of
transmiSSIOn
outer
lever
and
remove

the
remote
control
rod

Model
With
floor
Sh1ft
lever

Remove
the
boot
WIthdraw
the
lock

pin
and

remove
the
lever
The

operatIOn
IS
carned
out

In
the

passenger
compartment

Model
With
automatic
transmiSSIOn

Remove

pinS
from
both
ends
of
the
cross
shaft

and
remove
the
shIft
rod

Suspend
the

engine
With
wire

Remove
the
front

engine
mounting
installation

nuts

Remove
the
rear

engine
mounting
installation

nuts

When

removing
the

engine
mounting
in

stallation
nuts
be
sure
to

apply
a

Jack
beneath

the
transmiSSIOn

CLEANING
AND

INSPECTION

Clean
the

engine
thoroughly
before
disassem

bly
Before

cleaning
the

engine
remove
the

l
electncal

parts
and

plug
up
the
carburetor

air
horn
to
aVOid
intrusIOn

of

foreign
matter

The

engine
extenor

Check
the
covers
and

bolts
for

breakage
rust

damage
and
loss

CylInder
block
Check

thoroughly
the
water

Jacket
for
cracks
and

breakage

Clutch

hOUSing
Check
for
cracks

011

pan
Check
for
excessive
rust

DISASSEMBLY

Mount

engine
assembly
on

engine
stand

Remove
the

engine
mounting
bracket
R
H

Side

Install
the

engine
attachment

Mount
the

engine
on
the
stand

Fig
14011

pump
removal

Fig
15
Thermostat

hOUSing
removal

II

Ignition
Sptem

The
standard
breaker

pOint

spring
tensIOn

IS

1
1

to
1
4
lb

Replace
If
devIated

Performance
of
condenser
IS
affected

by
Im

proper

setting
contaminatIOn
and
reductIOn

of
In
ulatlOn

resIstance
Thus

pellOdlcal

checking
I
I

eqlJ
lred
to
maintain
the
outlet
of

lead
wire
clean
and
to

prevent
et
screw
from

loosening
Checking
the
condenser

capacIty
IS

checked

USing
a

capacity
meter
It

may
be
also

checked
condenser
Isolate

resl
tance

USing
a

tester

by
adjusting
ItS
I

ange
to
measure

large

I
eSlstance
value

When
the
condenser
IS
normal
the
tester

pOinter
SWings
1m

gely
and

rapIdly
and
moves

gradually
back
to
the
Infimte

SIde
When
the

pOinter
does
not

stay
stili

or
It

points
Zero
In

reSIstance

replacement
IS

necessary

Fig
82

AdJusllng
POint

gap

Fig
83

Measunng
breaker

POint
spnng
tension

g
SPARK
PLUGS

Description

The

spark
plugs
are

of
the
re
lster

type

haVing
0
551
In

threads
and

0031
to

0035
11i

gap

Note
All

spark
plugs
installed

on
an

engme
must

be
of
the

same
brand
and

number
of
heat

range

Inspection

Remove

spark
plug
wIre

by
pulhng
on
boot

not

on
WIre
Itself

Remove

spark
plugs

Check
electrodes
and

Inner
and
outer

por

celams
of

plugs
noting
the

type
of

depOSits

and
the

degree
of
electrode

erO
lOn
Refer
to

Figure
85

Normal
Brown
to

gl

aYlsh
tan

depoSits
and

shght
electrode
wear
indIcate
correct

spark

@

I

Pnmary
terminal

2

Secondary
terminal

3

Cdp

4

Sprang

5
SIde
core

6

Prrmary
coil
7

Secondary
COIl

8
Insulator
011

9

enter
lore

10

Segment

II

Case

Fig
84

Construction

Brakes

DIsassembly

Remove
mud
and
other
contamInations
from

the

caLiper
as

embly
before
dlsa

sembly

DraIn
bl
ake
fluId

flOm
the
wheel

cylinder

Loosen
the

aIr
bleeder
and

depres
the

pistons
A
and
B
Into
the

cylInder
See

FIg

125

Secure

the

yoke
In
a
vIse
and

tap
the

yoke

head

with
a
hammer
The

cylinder
body
can

then
be

removed
from
the

yoke
When

remOVIng
the

cylinder
body
be
careful
not
to

allow

the

piston
A

comIng
out
from
the

cylIn

der

FIg
121

TapPing
yoke
head

5

I

B

Q
Retamlng
nng

J
Boot

Fig
122

Cylinder

body
and

piston
Remove
the

bIas

nng
from
the

piston
A

Remove
the

retaInIng
nngs
and
boots
from

the

pistons
A

and
B

Depress
and

remove
the

piston
from

the

cylin

der

Remove
the

piston
seal
from

the

cylinder

Note
Remove
the

p1ston
seal

carefully

w1th

fmgers
so
that
the

cylinder
wall
is

not

damaged

Remove

the

yoke
prIng
and

yoke
bias

sprIng

from
the

yoke

Inspection
and

Repair

Thoroughly
clean
all
dIsassembled

parts
and

check
them
for
the

follOWIng
Items

Note
When

cleaning
rubber

parts
use

alcohol
or
brake
fluid
If
rubber

parts
are

cleaned
wIth

mmeral
Oil

they
will
be

detenorated

Calzpers

If
the

cylInder
wall
IS

damaged
or
worn

replace
If
the

cylinder
wall
IS
rusted

or

foreIgn
matters

are
accumulated
on
the

cylIn

der
wall

carefully

polIsh
wIth
fine

emery

paper
so
that

the

cylInder
wall
IS
not

damaged
If

rusted
or

roughened
excessively

replace

Pad

See

paragraph
covenng

replacement
of

pad

PIston

Replace
If

unevenly
worn

damaged
and

or

rusted

Note

The

piston
slidmg
surface
is

plated

Thus

do
not

use

emery
paper
although

rusted
or

foreign
matters
are
sttcked

on

the

sliding
surface

Seals

Prlmanly
replace
both

pIston
and
dust
seals

whenever

overhauling

n

Brakes

Note
The

piston
seal
affects
not

only

Ieakmg
but
also

piston
return

For
this

reason

replace
the

piston
seal
even
If
the

damage
IS
minor

Rotor

Check
the
rotor

and
If
It

shows
cOl
e
ex

cesslvely
out
of
round
and

so
forth

recon

ditIOnIng
by
machInIng
l
l

requIred
If

any
ab

normal
condItIOns
such

as
crack

dl
ltortlOn

and

excessIve
deflectIOn

replace
the
rotor

Standard
rotor

thlckne
ls

03740
In

Fig
123

MeaSUring
deflectoon
of
diSC

Fig
124

Installing
bias

ring
mto

piston
A

72
LImIt
of
I

econdltlOntng
lotOl
In

thlcknes
l

o
3307
In

DeflectIOn
of
the
rotor

Below
0
0012
In

Reassembly

Apply
the
rubber

grea
le
to

cylinder
bore
and

Install
the

pIston
seal

Insert
the
bIas

rIng
to

pIston
A
so
that
the

roundl
lh

portIon
of
bIas

ring
comes
to
the
bot

tom
of

pIston

A

PISTON
B

PISTON
A

Fig
125
Piston
A
and
B

Fig
126

Installing
boot

Brakes

Note

Be
careful
not
to

confuse
the

piston

A

with
B

Apply
rubber

grease

hghtly
to
the

shdlng
par

tlon
of

p1ston
and
Insert

the

piston
Into
the

cyhnder

Note
When

insertmg
the

piston
be

careful
not
to
insert
too
far

Install

the

boot
and

retaining
nng

Install

so
that
the

yoke
groove
of
bIas

nng
of

piston
A

COinCide
wIth
the

yoke
groove
of

cyhnder

YOKE
SPRING

Fig
127

Installation
of
yoke

spnng
1

Fig
128
InstallatIOn
of

yoke

spnng
2
Install

so
that
the

projected
portIOn
of

yoke

spnng
faces

to
diSC

as
shown
In

Figures
127

and
128

Install
the
bias

spring
to

yoke
so
that
the
bias

spring
comes
to
the

aIr
bleeder

Side
of

cyhn

der

Apply
the

brake

grease
to
the

yoke

shdlng

portIOn
of

cylinder

With
the

yoke

spring
Inserted
to

cylinder

groove

hghtly
correct

poSitIOn
of
the
bias

spnng
so
that
the

groove
of

biaS

spring
COin

Cides
With

yoke

Fig
129

Correctmg
bias

spnng
POSItion

Fig
130

Measunng
startmg
torque

73