lock DATSUN 210 1979 Workshop Manual

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Electrical

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IGNITION

SWITCH
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ALTERNATOR

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VOLTAGE

REGULATOR

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WR

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IGNITION

WR
SWITCH

BW

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AUTO

CHOKE

RELAY
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WR

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VR

1

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BAT
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W

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WR

W
FUSE

BLOCK

CHARGE

WARNING

LAMP

5J

BL

Note

@

V

@
California
models

Non
Qilifomo
18
models

FU
models

Fig
EE
29
Circuit
Dinrswr
EE742

mofCIuJ

Tg
ng
Sy
t
m

EE
12

ASSEMBLY

To
assemble
reverse
the
order
of

disassembly
Carefully
observe
the

fol

lowing
instructions

CAUTION

B
tfore
installi
lg
IC

ignition
unit
make

sure

mating
surfaces
of
IC

ignition
unit

and
distriblitor
are
clean
and
free
from

dust
sand
and
moisture

Align
match

marks
so

that

parts

are
assembled
to

their

original
posi

tions

2

Ensure
that
reluctor
is

properly

oriented

when

installing
on

shaft
Al

ways
drive
in
roll

pin
with
its
slit

toward

the
outer
end

of
shaft
See

Fig
EE
64
Be

sure
to

use
a
new

roll

pin

DESCRIPTION

The

IC

ignition
unit

utilizes
a
semi

conductor
IC
device
and
is

mounted

on
the

side
surface

of
the
distributor

The

IC

ignition
unit

has
the
fol

lOwing
circuits

Spark
timing
signal
monitoring

circuit

This
circuit

detects
the

ignition

signal
sent
from
the
distributor

pick

up
coil

and

amplifies
the

signal

2

Lock

preventing
circuit

This
circuit

cuts
off
the

ignition

coil

primary
current
when
the

ignition

switch
is

ON
and
the

engine
is

sta

tionary

If
the

ignition
coil

primary
current

is

allowed
to
flow
under
such

condi

tions

excessive
current
will

be
drawn

because
of
low
internal
resistance
of

the

ignition
coil
Engine
Electrical

System

r

5

EE747

Fig
EE
64

Driuing
in
Roll
Pin

3

When

installing
pinion
on
shaft

be

sure
to

install

pinion
gear
correctly

to

position
where

it

was
installed

4

Apply
grease
to

the

top
of
rotor

shaft

as

required

5

Check
the

operation
of

governor

before

installing
distributor
on

engine

Ie

IGNITION
UNIT

This
can
result
in
an

abnormal

temperature
rise
in

the

ignition
coil

or

discharged
battery
These

malfunc

tions

can
be

prevented
by
this
lock

preventing
circuit

3

Duty
control
circuit

This
circuit

controls
the
ratio
of
the

ignition
coil

primary
current
ON
OFF

time

periods
in

one

cycle
of

ignition

operation

111is
is

equivalent
to
the
dwell

angle

of
the
conventional

point
type
dis

tributor
In
order
to

provide
high

performance

spark
ruing
over
a

wide

range
of

driving
speeds
this

duty
can

be
controlled

by
the
source

voltage

and
the

ambient

temperature
as
well

as

by
the

engine

rpm

4

Power

switching
circuit

This
circuit
is

used
to
make
or

break

directly
the

primary
circuit
cur

EE

24
6

Properly
eenterstatOr
and
reluc

tor
before

tightening

Standard
air

gap

0
3
to
0
5
mm

0
012
to
0
020
in

0
3
to

0
5
mm

0
012
to
0
020
in

Fig
EE

65
EE748

Air

Gap

7

Adjust
ignition
timing
after
distri

butor
is

installed
on

engine

rent
of
the

ignition
coil

5

Current

limiting
circuit

This
circuit

controls
the

current

value
so
that
excessive
current

will
not

flow

through
the

power

switching
cir

cuit

To
ensure

efficient

operation
of
the

IC

ignition
unit
these
five

circuits
are

manufactured
in

one

assembly
as

shown
in

Fig
EE
66

The

semi
conductor
IC
is

utilized

for
all
these
circuits

except
the

power

switching
circuit
The

power
switching

circuit

uses
one

power
transistor
and

the
circuit
is

arranged
on
the
ceramic

substrate

together
with
resislors

capa

citors

and
diodes

Each

component
part
of

this
unit
is

highly
reliable

however
should

any

part
be
found

faulty
the

entire
as

sembly
musl
be

replaced

Engine
Electrical

System

Battery
Ignition
switch

CG

1

e
@

P
L
JO

L
J

Ignition
coil

r

Spark
timing

signal

I

oni
1oring

Clfcwt

0
R

Lock

Pi
k
il
preventing

c

up
co

circuit

Ln
n

Distributor
2P

fJ
1I
connector

8C

H
uty
control

ClICUlt
Power

switching

circuit

Current

limiting

circuit

Ie

ignition
unit

EE749

Fig
EE
66
Ie

Ignition
Unit
Circuit

Diagram

REMOVAL
AND

INSTALLATION
5
Disconnect

pick
up
coil
wire
from

IC

ignition
unit

Note
Holding
connector
with
needle

nose

pliers
as
shown
in

Fig
EE
68

disconnect

pick
up
coil
terminal
Be

careful
not
to

pull
lead
wire
I
Disconnect

battery
ground
cable

2

Take
off
distributor

cap
and
re

move
rotor
head

3

Disconnect
harness
connector

4

Remove
Ie

ignition
unit

securing

screws

rf

I
I

EE751

Fig
EE
68
Di
Connecting
Pick

up
Coil

Term
inal

eE750

Fig
EE
67

Removing
Ie

Ignition

Unit
6

InstaU
IC

ignition
unit
in

the

reverse
order

of
removal

EE
25
CAUTION

Before

instelling
IC

ignition
unit
mike

sure

mlting
surfaces
of

IC

ignition
unit

end
distributor
Ire
cleen
and
free
from

dust

sand
and
moisture

Note

a
When

connecting
lead
wires

to
unit

insert
lead
wire
terminal
with
fin

ger
as
shown
in

Fig
EE
69

b

Connect
lead
wires

according
to

color
marked
on

upper
face
of

grommet

EE752

Fig
EE
69

Connecting
Pick

up
Coil

Terminal

CHECKING
IC

IGNITION
SYSTEM

DESCRIPTION

To
check
the
IC

ignition

system

use
a
circuit

tester
The

ignition
per

fannance
of
the

ignition
system
at
a

high
speed
cannot
be
measured

direct

ly
However

it
can
be

checked

by

operating
a
vehicle

actually
at
a

high

speed
The
IC

ignition
system
can
be

checked

easily
by
referring
to
the

Inspection
Table
For
the

method
of

inspection
refer
to

respective
items

INSPECTION
TABLE

I

No

spark
occur

Check

high
tension
cable

NG
OK

Repair
and

lor
replace
ngine
Electrical

System

START

Check

sparking
performance

J
J
Sparks
oci
1u

IC

IGNITION
SYSTEM
OK

Check
power
supply
circuit

NG

Repair
and
or

replace
OK

Check

primary
circuit
Proceed
to

A

Proceed
to
A
NG

epair
an
or

replace
OK

Proceed
to
A
DISTRIBUTOR
ASSEMBLY
NG

lC
IGNITION
UNIT
AND
OR

PICK
UP

COIL
NG

Mealure

pick
up
coil
resistance

as
a

distributor
assembly

Except
approx
4000

Measure

igilition
coii

8terminalvoltage

Battery
voltage

t
OV

Measure

pick
up
coil
resistance

I
Ie
IGNITION
UNIT
NG

Except
approx
400n

Approx
400n

PICK
UP
COIL
NG

1
PICK

UP
COIL
OK
Replace

IC

IGNITION

Replace

I
UNI
NG

l
Meuure

pick
up
coil
resistance

Except
approx
4000
I

Check

sparking
performance

I
Replace

I

r
PICK
UP
COIL
NG

1

No

spark
occun

Sparks
occur

I
IC
IGNITION

flc
IGNITION
Proceed
to
A

Replace

UNIT
NG

i
UNIT
OK

Proceed
to
A

Replace

Proceed
to
A

CHECKING

PROCEDURE

Sparking
performance

check

L
Turn

ignition
switch
to

OFF

position

2
Disconnect
anti
dieseling
solenoid

valve
connector
to
cut
off

supply
of

fuel
to

engine

3

Disconnect

high
tension
cable

from

spark
plug

4

Keeping
high
tension

cable
end
4

to
5

mm
0

16
to
0
20
in

away
from

engine
block
rotate
starter
motor
and

check
whether
sparks
occur
across
the

clearance
JUDGMENT

Sparks
occur

IC

ignition
system
OK

In

this
case
IC

ignition
system
and

component
parts
need

not
be
checked

beyond
this

No

spark
occurs

IC

ignition
system
NG

In
case
of
NG
check

High
Tension

Cables

Nole

This
check
is

designed
to

deter

mine

only
ignition

spark
perform

ance
when

cranking

engine
If

test

results
are

satisfactory
Ibis
does

EE

26
I

Approx
400n

PICK
UP
COIL
OK

1C
IGNITION

UNIT
NG

I
Repair
and
or

replace

I
Proceed
to
A

Approx
400n

l
PICK
UP

COIL
OK

1

not

alwaY
indicate

performance

sufrlcienl
for

high
speed

operation

IOgh
tension

cable
check

Refer
to

Engine
Tune

up
for
Check

ing
Ignition
Wiring
Distributor

Cap

and
Rotor

JUDGMENT

If

high
tension

cable
is
OK
check

Power

SupplY
Circuit

If

high
tension
cable
is
NG

replace

cable

assembly

Engine
Electrical

System

DISTRIBUTOR

D4K8
18

D4K8
15

I
D4K8

16

Type
D4K8
19

I
D4K8

13
D4K8

02

Applied
model
FU
model
California

models
Canada
Non
California
models

Transmission

MfT

Firing
order

Rotating
direction

IGNITION
COIL

Type

Applied
model

Primary
voltage

Spark
gap

SPARK
PLUG

Standard

Hot

Type

Cold

Applied
model

Size
screw
dia
x

reach

mm
in
AfT
MfT
MfT
AfT
MfT
AfT

I
3
4
2

Counterclockwise

cn
30

STC
30

All

v
12

mm
in
More
than
7
0
28

BP5ES
II

BP5EQ
13

BPR5ES

L46PW
1I
L45PM
13

BP4ES
1I

BP4EQ
13

BPR4ES

L47PW
1I

L47PM
13

BP6ES
1I

BP6EQ
13

BP7ES
1I

BP7EQ
13

BPR6ES

L44PW
1I

L45PM
13

BPR7ES

L45PW
1I
L44PM
13

U
S
A
FU
model
Canada

14
x
19
0
55
x
0
75

INSPECTION
AND
ADJUSTMENT

BATTERY

Type

Full

charging

specific
gravity
N50Z
NS70

1

26
1
28

EE
31

Engine
Electrical

System

II
STARTING
MOTOR

Condition

Starting
motor
will

not

operate

Noisy

starting
motor

Starting
motor

cranks

lowly

Starting
motor

cranks

slowly

Starting
motor

operate
but
does

not
crank

engine

Starting
motor
will

not

disengage
even
if

ignition
switch
is

turned
off
Probable
cause

Discharged
battery

Damaged
solenoid
witch

Loose
connections

of
terminal

Damaged
field
coil

Damaged
brushes

Damaged
bearing

Damaged
annature

Loose

securing
bolt

Worn

pinion

gear

Poor
lubrication

Worn
commutator

Worn

brushes

Discharged
battery

Loose
connection
of
terminal

Worn

brushes

Locked
brushes

Loose
connections
of
terminal

Damaged
field
coil

Damaged
brushes

Damaged
bearing

Damaged
armature

Dirty
or
worn
commutator

Armature
rubs
field
coil

Damaged

splenoid
switch

Worn

pinion

Locked

pinion

guide

Worn

ring
gear

Damaged
sOlenoid

switch

Damaged

gear
teeth

EE
35
Corrective
action

Charge
or

repiace
battery

Repair
or

replace
solenoid
switch

Clean
and

tighten
terminal

Replace
yoke

Replace
brushes

Replace
bearing

Replace
armature

Tighten

Replace

Add
oil

Replace

Replace

Charge

Clean
and

tighten

Replace

Inspect
brush

pring
tension
or

repair
brush

holder

Clean
and

tighten
terminal

Replace
yoke

Replace
brushe

Replace
bearing

Replace
armature

Clean
and

repair

Repalce
assembly

Repair
or

replace

Replace

Repair

Replace

Repair
or

replace

Replace
damaged

gear

Engine
Electrical

System

IV
IGNITION
CIRCUIT

When

engine
does
not

start

If

there
is
no

problem
in
fuel

system

ignition
system
should
be

checked
This
can
be

easily
done

by

detaching
a

high
tension
cable
from

distributor

starting
engine
and
ob

serving
oondition
of

spark
that

occurs
between

high
tension
cable
and

engine

block
After

checking
this

repair
as

necessary
tery
and
anti
dieseliilg
wlenoid

valve
connector
to
cuI
off

supply

of
fuel
10

engine
Then
observe
the

condition
of

sparks
while
starter

motor
is
in

operation

Note
Turn

ignilion
switch
off
and

disconnect
ground
cable
from
bat

Condition
Location

Probable
cause
Corrective
action

No

spark
at
all
Distributor

Breakage
of
lead
wire
on
low
tension

side

Repair

Poor
insulation
of

cap
and
rotor
head

Replace

Open
pick
up
coil

Replace

Air

gap
wider
than

specification
Adjust

Ignition
coil
Wire

breakage
or
short
circuit

of
coil

Replace
with
new
one

High
tension
cable
Wire

coming
off

Repair

Faulty
insulation

Replace

IC

ignition
unit

Faulty
IC

ignition
unit

Replace

Breakage
of
circuit

Replace

Detached
connection

Repair

Spark
length
Spark
plugs
Spark
plug

gap
too

wide
Correct
or

replace

More
than
6

mm

Too

much
carbon
Clean
or

replace

0
24
in

Broken
neck

of
insulator
Replace

Expiration
of

plug
life

Replace

Distributor
Air

gap
too
wide

Correct

IC

ignition
unit

Faulty
IC

ignition
unit

Replace

Breakage
of
circuit

Replace

Detached
connection

Repair

EE
37

INSTALLATION

Install
in
the

reverse
order

of
re

moval

observing
the

following

Note

When

inslal1ing
be
sure
to

check
thaI
electrical
harnesses

are

connected
ly

1
When

installing
first
secure
rear

engine
mounting
member
to

body

2
Refer
to

applicable
section
when

installing
and

adjusting
any
parts

Adjust
clutch

pedal
free
travel
Re

fer

to
Clutch
Pedal
Free
Travel

Section
CL
for
installation
and

adjustment

Adjust
accelerator
control

system

Refer
to

Engine
Control

System

Section
FE
for

adjustment

For

installation
of
air
conditioner

compressor
and
belt

adjustment

Refer
to
Idler

Pulley
and
Com

pressor
Drive
Belt

for

adjustment

of
belt
tension

3
When

installing
exhaust
front

tube
on
exhaust
manifold
be
sure
to

use
new

gasket

4

When

installing
hood

following

engine
installation
be
sure
that

it
is

properly
centered
and
that
hood

lock

operates
securely
Refer
to
Hood

See

tion
BF

for

adjustment
Engine
Removal
Installation

ENGINE
MOUNTING

INSULATOR

FRONT
INSULATOR

Removal

Disconnect

battery
ground
cable

2

Suspend
engine
with
wire

or

chain

3

Remove
front

engine
mounting

insulator

lower
and

upper
nuts
on

both
sides

4
Make

sure
that
wire

or
chain
used

to

suspend
engine
is

positioned

prqper

ly
so
that
no
load
is

applied
to

insulators
and
remove
nuts

complete

ly

5

Lift

up
engine
and

separate
in

sulators

from

engine
mounting
rack

ets

Inspection

If
there
is

damage
deterioration
or

separation
of
bounded
surface
re

place

Installation

Install
front
insulators
in

reverse

sequence
of
removal

noting
the
fol

lowing

1
Do
not
confuse

right
and

left

insulators
R

right
side
or

L

left
side
identification
mark
is

stamp

ed
on
each
insulator

2
Install
front
insulator
so
that

ER
5
position
pin
is

projected
upward

3

Tighten
the

bolts
and

nut
correct

ly
and

securely
See

Fig
ER
I

REAR

INSULATOR

Removal

l

Support
transmission

weight
with

ajack

2
Remove

nuts

securing
rear

engine

mounting
insulator
to

mounting
mem

ber

3
Remove

bolts

connecting
rear
en

gine
mounting
insulator
to
transmis

sion

reaf
extension

housing

4

Jack

up
the

transmission
a
little

and

remove
insulator

Inspection

If
there
is

damage
deterioration
or

separation
of

mating
surface

replace

Installation

Install
rear

engine
mounting
mem

ber
and

insulator
in

reverse
order

of

removal

noting
the

following

I

Install
insulator
in

place
so

that

direction
of
mounted

insulator
is

same

as
that
in

Fig
ER

2

Tighten
nuts
and

bolts

correctly

and

securely
As
for

tightening
torque

see

Fig
ER
l

CLUTCH
PEDAL

HEIGHT

I

Adjust
clutch

pedal
height
H
to

the

specified
range
with

pedal
stopper

adjusting
nut
Then

tighten
lock
nut

CD

2

Adjust
clutch

pedal
free

play
A

to
the

specified
range
at

pedal

pad

with
clutch
master

cylinder
push
rod

Then

tighten
lock
nut

@

Note

a

Pedal
free

play

appeared
due
to

clearance

among
pedal
hole

push

rod
and

piston
should
be

measured

on

top
face
of

pedal
pad

b

Depress
and
release
clutch

pedal

over
its
entire
stroke
to
ensure
that

the
clutch

linkage

operates
smooth

ly
without

squeak
noise

inter

ference
and

binding

I

I

Lock
nut

2

Lock
nut

Cl325

Fig
CL
I

AdjlUting
Clutch

Pedal

Height

Pedal

height
H

143

to
149

mm
5

63
to
5
87
in

Pedal
free

play
An

1

to
5
mm

0
04

to
0

20
in
Clutch

ADJUSTMENT

tfl
Tightening
torque

Lock
nut

CD

0
8

to
1
2

kg
m

5
8
to
8
7

ft
Ib

Lock
nut

@

0
8
to
1

Icll
m

5
8
to
8
7
ft

lbl

CLUTCH
PEDAL

FREE
TRAVEL

Adjust
clutch

pedal
free
travel

whenever
clutch
does
not

disengage

properly
or
whenever
new

clutch

parts
are

i
lslalled

I
Loosen
lock

nut
and

push
nut

djust
length
of

push
rod

by
turning

p
lsh
rod
with

open
end
wrench

until

release

bearing
lightly
touches
clutch

dia

phragm

spring

2

Then
turn

push
rod
back

approxi

mately
I

4
turns
so
that
withdrawal

lever

play
B

clearance
between

withdrawal
lever

push
nut
and
with

drawal
lever

is
within
the

specified

range

V

@

1
B

I

Lock

nut

2
Push
nut

3

Withdrawallcver

CL327

Fig
CL

2

AdjlUting
Clutch

Pedal

Free

Trauel

3

Tighten
lock
nut

against
push

nut

being
careful
not
to
disturb
the

adjustment

4

Depress
and
release
clutch

pedal

several
times

then
recheck

with

drawal

lever

play
B

Readjust
if

necessary

5

Finally
measure

pedal
free
travel

C
at
center
of

pedal
pad

CL
2
Withdrawalle

er
play
nBn

clearance
between
withdrawal

I
er

push
nut
and
withdrawal

le
erl

1
0

to
2
0

mm

0

039
to

0
079
in

Clutch

pedal
free

tr
el
en

at
center
of

pedal
pad

16to33
mm

0
63
to
1
30
in

BLEEDING
CLUTCH

SYSTEM

The

hydraulic
clutch

system
must

be
bled
whenever

clutch
line
has
been

disconnected
or
air
has
entered
it

When

pedal
action
has
a

spongy

feeling
it
is
an
indication
that
air
has

entered
the

system

Bleeding
clutch

system
is

an
essen

tial

part
of

regular
clutch
service

I
Remove

cap
of
reservoir
and

top

up
with
recommended
brake
fluid

2

Thoroughly
clean
mud
and
dust

from
bleeder
screw
of

operating
cyl

inder

so
that
outlet
hole

is
free
from

any

foreign
material
Install
bleeder

hose

vinyl
hose
on
bleeder
screw

Place
the
other
end
of
it
in

a

container

filled
with
brake
fluid

3
Have

a
co
worker

depress
clutch

pedal
two
or

three
times

With
clutch

pedal
depressed
fully
loosen
bleeder

screw

to
bleed
air
out
of
clutch

sys

tem

4
Close
bleeder

screw
quickly
as

clutch

pedal
is
on
down
stroke

5
Allow
clutch

pedal
to
return

slowly
with
bleeder

screw
closed

6

Repeat
steps
3

through
5
until
no

air

bubble
shows
in

the

vinyl
hose

tfl

Tightening
torque

Bleeder
screw

0
7

to
0
9

kg
m

5
1

to
6
5
ft

lbl

7

Depress
and
release

clutch

pedal

several
times
then

check
for

external

hydraulic
leaks
at

connections

INSPEctiON

Check
clutch

pedal
parts
for
the

following
items

correcting
neces

sary

I
Bent

pedal

2

Weakened
return

spring

3
Worn

or
deformed
clevis

pin
and

fulcrum

bwhings

4

Cracks
at
welded

part

INSTAl1
ATION

To
install
clutch

pedal
reverse
the

order
of
removal
Observe
the
follow

ing

I

Apply

coating
of
recommended

multi

purpose
grease
to

sliding
por

tions
and
return

spring

Lt
of

I

ii

CL352

Fig
CL
5

Lubricating
Point

2
Fit
return

spring
in
hole
in

pedal

bracket
and

securely
fit
E

ring
in
slit

of
fulcrum

pin

3
Insert

clevis

pin
through
clutch

pedal
from
left

to

right
side

4

After

installing
clutch

pedal

check
the

clutch

pedal
height

AdjUst

if

necessary
Refer
to

Adjwtment

CLUTCH

MASTER

CYLINDER

REMOVAL

I
Remove

snap
pin
from

clevis

pin

2
Pull

out
clevis

pin

3
Disconnect
clutch
tube
from
mas

ter

cylinder

4

Remove
master

cylinder
Clutch

CAUTION

When

disconnecting
clutch
tube
use

suitable
flare
nut
wrench

Never
use
an

open
end
wrench
or

adjus1able
wrench

DISASSEMBLY
Note
When

disconnecting
dutch

tube
be
sure
to
receive

draioillll

clutch
fluid
into

a
container
Use
of

rags
is
also

suggested
to

keep

adja

cent

parts
and
area

clean

@

@

1
Reservoir
cap
6

Return

prina
11

Primary
cup
16

StOppel
rins

2
Reservoir
7

Sprina
seat
12
Piston
17
Dust
cover

3
Rescrvou
band

8
Valve

sprina
3

Secondary
cup
18
Lock
nut

4

Cylinder
body
9

Supply
valve
rod

14
Push
rod

5

Supply
yalYe
stopper
10

Supply
valve

15

Stopper

CL345

Fig
CL
6
Clutch
Mcuter

Cylind
r

I
Remove
dwt
cover
and
take
off

stopper
ring
from

body

2
Then
the

push
rod
and

stopper

can
be
taken
out

3

Loosen

supply
valve

stopper
and

take
it

out

4
The

piston
spring
seat
and
reo

turn

spring
can
be
taken
out

Note
Discard

piston
cup
and
dust

cover

CAUTION

Never
detach
reservoir
If

it
is
removed

for

any
reason

discard
it
and
instill

new
one

CL
4
INSPECTION

CAUTION

To
clean
or
wash
all

parts
of
masler

cylinder
clean
brake
fluid
must
be

used
Never
use
mineral
oils
such

as

gasoline
and
kerosene
It
will
ruin
tha

rubber

parts
of
tha

hydraulic
syslBm

I
Check

cylinder
bore
and

piston

for
score
or
rust
and
if
found

replace

2
Check

cylinder
bore

and

piston

for
wear
If
the

clearance
between

cylinder
bore
and

piston
exceeds
the

specified
value

replace
piston
assem

bly
or
master

cylinder
assembly

3

Check
the
condition
of

piston

cup
and
dust
cover

Always

replace

them
after

disassembly

4
Check

all
recesses

openings
and

internal

passages
to

ensure
that

they