1969 DATSUN B110 Service Repair Manual

Bear
Drive

Suspension

3

4

5

B

c

16
7

Lx
ll

prill

I
It

111111

3
hJ
ddl

4
hOl
k
oIh
orbu
5
Ji

6
ldr

7

Torqw
arrl
h

r
8
H
md
brah
lrL

9
8rdk
ho

10
Hound

bumplf

Fig
151
Rear

suspension

Fig
152
Removing
the
shock
absorber
lower
end
Fig
153

Removing
shock
absorber
upper
bracket

REAR
SHOCK
ABSORBER
Remove
the
lower
end
of
the

rear
shock
absor

ber
from
the

sprmg
seat
See

FIgure
152

Replacement

Jack

upcthe
center
of
the

rear
axle
and

sup
E
ll1ove
the
rear
shock

absorJ
l
l
pstalhng
nut

port
the
axle

housmg
with
stands
located
under
the
rear
sea
back

88

Bear
Drive

Suspension

Install

rear
shock
absorber
m

reverse

equence
of

removal
cracks
and

exceSSIve
deformatIOn

Replace

the
defectIve

parts
If

necessary

Inspection

Test
the
shock
absorber
and

replace
If

necessary

Check
for

leakage
cracks
and
the
shaft
for

straightness

Inspect
the
rubber

bushmgs
for

damage
RECOMMENDATIONS

Due
to
the

large
number
of

specIal
tools

reqUIred
and
the
advanced

knowledge

necessary
It
IS
recommended
that
the

overhaul
of
the
differential
be
left
to

a

properlv
equipped
shop

97

Clutch

DESCRIPTION

The
clutch
IS
a

sIngle
dry
dIsc

diaphragm

prIng

type
clutch
The

major
components
are

clutch

cover

pressure
plate
diaphragm

sprIng
and

wire

rIngs
The
clutch
diSC
IS

provided
WIth
rIveted

plates
on
both
surfaces

and
cot

bprIngs
arranged
In

a
hnk
The
COIl

prIngs
absOl
b
shock
whIle

engagIng
the

clutch

softemng
and

smoothIng
clutch

engagement

Release

bearIng
sleeve
and
WIthdrawal
lever

dre
used
to
control
clutch

engagement
and

disengagement

Each

part
of
the
clutch

assembly
IS
secured

With
rivets
Therefore
when
a
trouble

IS
un

correctable

replace
the
clutch

assembly
With

a

new

assembly

30

1181

r
I

I

I
I

I

8

1

il
f
0

g
it

l

00

r
O
11

I

N

NN

0
to
lt

lt

ll
l
If
N

O

N

I

I
I

I

FIg
154
Construction
of
clutch

100
CLUTCH
PEDAL

Removal

Remove
the
return

sprmg

Loosen
the
lock
nut
of
the
master

cyhnder

push
rod
and
disconnect
the

push
rod
end

Remove
the
lock
nut
and
washer
of
the

pedal

shaft
and
remove
the

pedal
lever

Inspection

Thoroughly
clean
all

disassembled
parts
m

dlcated
below
and

carefully
check
them
for

wear

damage
and
other
abnormal
conditions

RepaIr
or

replace
them
With
new
ones
If

reqUIred

Pedal
head
rubber

Return

sprIng

9353

3682
00004

lIGHTENING
TORQUE
1

5
to
2
2

kg
m

108
to

159ft
lbl

UOIt
mm

Inl

Snap
ring

Dust
over

Push
rod

Clutch
piston

Piston
Spring

Inlel
valve
S

Inlet
valve
pnng

Spnng
retamer

Shun

Inlet
valve

Body
release

pm

011

reservoir

011

reservou

cap
Part
number
Adlustmg
shun

ThIckness
mm
m

00630

00315

05
00197
Clutch

pedallrte
aY
tl

30
mm

1181
n

@
Ch
nl
lSgre

Fig
155
P
edal
height
adjustment

l
@

1

f
I

vy
J
@

W

Il
@

Ji
0

t
@

o
@
1

Fig
156
Clutch

master
cylinder
Clutch

101

Clutch

Pedal
lever
bush

Fulcrum

pedal
pIn
etc

Remstallation

Reinstall
the
clutch

pedal
In

reverse

sequence

of
removal

Adjustment

Adjust
pedal
pad
heIght
to

565
In
Without

stopper
The

adjustment
IS
made

by
selectmg

and

applYIng
shlm
s

haVing
adequate

thIckness

Be
Ule
to

use
shIms

haVIng
same
thIckness

for
both

upper
and
lower

Next

adjust
the

pedal
stopper
properly
so
that

the

pedal
pad
height
IS
557
In
and

secure
the

pOSitIOn
WIth
lock
nut

Note
Make

sure
that
chaSSIS

grease
has

been

applied
to
the
CG
marked

portions

two

places
Grease
if

reqUired

CLUTCH
MASTER
CYLINDER

Removal

DIsconnect
the

push
rod
from
the
cleVIS

DIsconnect
the
clutch
lIne
from

the
master

cylinder
and
draIn
flUid

Remove
the

ecunng
bolts
and
remove
the

master

cyhnder
assembly
from
the
vehIcle

DIsassembly

Remove
the
filler

cap
and
draIn
flUId

Pull
back
the
dust
cover

and
remove
the

snap

rIng
The

stopper
push
rod

pIston
assembly

pnmary
cup
and
return

sptlng
assembly
can

be
removed

Inspection

Thoroughly
clean
all

parts
With
brake
flUId

before

InspectIOn

Check
the

cyhnder
and

piston
for
uneven

wear

or

damage
Replace
If

required

When
clearance
between
the

cylinder
and

pIston
IS
more
than
O
0059
In

replace
the

cyhnder

102
Replace
the

pIston
cup
pnmanly
whenever

the
master

cyhnder
IS
dIsassembled
It
must

also
be

replaced
when

wear
or
deformatIOn

due
to

fatIgue
or

damage
IS
found

Check
the
dust

cover
OIl
reservOIr
filler

cap

and
clutch
lIne
for

damage
or
deformatIOn
If

abnormal
condItIOn
IS
found

replace
With
new

one

Reassembly

Reassemble
the
master

cylInder
assembly
In

reverse
sequence
of

dIsassembly
notIng
the

follOWIng
matters

The

pIston
cup
should
be
soaked
In
brake
flUId

before

reassembly
Install
the

pIston
cup

carefully
so
that
It
IS

correctly
faced

Apply
brake
flUId

suffiCIently
to
the

cyhnder

and

pIston
and
assemble
them

Reinstallation

ReInstall
the
master

cyhnder
assembly
In

reverse

sequence
of
removal
and

adjust
as

follows

Adjust
the

pedal
heIght
by
changmg
the

push

rod

length

Bleed
air
out
of
the

hydrauhc
system

BLEEDING
CLUTCH
SYSTEM

Remove
the
bleed
screw
dust

cap
from
the

operatIng
cyhnder

Open
the
bleed
screw

approximately

three

quarters
of
a
turn
Attach

a
tube

Immer

SIng
the

open
end
mto

a
clean
contaIner
which

contaInS
a
small
amount
of
brake
flUId

Fill
the
master

cyhnder
reservOIr
With
the

recommended
flUId

Depress
the
clutch

pedal
qUIckly
while

keepIng
It
down

retighten
the
bleed

screw

and
allow
It
to
return

slowly
Repeat
thiS

pumpIng
actIOn
unttl
the
flUId

entenng
the

contaIner

IS
free
from
air
bubbles

Screw

up
the
bleed
screw
on
a
down
stroke
of

the

pedal
remove
the

bleec
t1
1
nd

rel1lace

the
dust

cap

Transmission

lransmission

FOUR
SPEED
TRANSMISSION
Idler
shaft
and
front
sIde
of
the
transmiSSIOn

case

supports
the
other
ends

Moreoyer
the
rear
extensIOn

supports
the

mam
shaft
rear
end

The

gear
assembly
can
be

dIsassembled
With

the

gear
assembly
Installed

on
the

adapter

plate
The
transmiSSIOn

assembly
cons1sts
of
tran

smISSIOn
case
whIch

con
tams

gear
assembly

and
rear
extensIOn

The
cast

Iron

adapter
plate
supports
each
end

of
the
mam
sO
aft

counter
shaft
and

reverse

1T

Fig
157
R3W56

gear
tram
Fig
158
F4W56

gear
tram

e

1
l

j
iir

1

1
lkv

t
J

I

If
Jo

rn
r
J

J

v

li
I

v
1

1

rr

v

Fig
159
F4W56
transmisSion

11M

Iransmission

THREE
SPEED
TRANSMISSION

Fig
160
R3W56
transmisSion

TROUBLE
SHOOTING

Symptom
and

possible
cause

I
Correc
tIve
actIOn

Difficult
to
mtermesh

gears

Causes
for

difficult

gear
shlftmg
are

classIfied
to
troubles

concernmg
the
control

system
md
transmlSSlUn
When
the

gear
shift
lever

IS

heavy
and
It
IS
difficult
to

shift
ge
us

clutch
disengagement
mdY
also
be
unsmooth
First
make

sure

that
the
clutch

operates
correctly
and

Inspect
the
transmiSSion

105