height adjustment DATSUN 210 1979 User Guide

Page 375 of 548


Condition

Brakes

drag

Brake
chatters

Brake

squeals

Pedal

pulsates

Rear

lock

under

light
brake

pedal
force

Rear

lock

under

heavy
brake

pedal
force
Brake

System

Probable
cause

Clogged
brake
lines

Incorrect

adjustment
of
wheel

bearings

Improper
shoe
to
drum
clearance

Weak
shoe
return

springs

No

free
travel
in

brake
shoe
return

Groove

or
out
of
round
brake
drum

or
rotor

Loose

or
bent

support
plate

Distorted

brake

shoes
or

pads

Grease
or

brake
fluid
on

linings

Dirty
or
scored

brake
drums

Distorted
brake
shoes

or
bent

support
plate

Weak
or
broken
brake
shoe

retaining
spring

or
return

spring

Glazed
or

contaminated
brake

lining

Out
of
round
or
off
center
drum

On

disc
brakes
lateral
runout
of
brake

rotor

is

excessive

Excessive
variation
in

thickness
of
brake

rotor
surfaces

Improper
tire

pressures

Excessive

wear
of

tires

Faulty
NP
valve

Improper
tire

pressures

Excessive
wear
of
tires

Poor

front

braking
effect

Grease
oil
mud

or
water
on

linings

or

pads

Excessive
wear

of

linings
or

pads

Local
fit
of

linings
or

pads

Master

cylinder
or

wheel

cylinder
in

poor

condition

BR
2t
Corrective
action

Check
and
clean

Adjust
or
repair

Adjust

Replace

Adjust

pedal
height

Grind
or
replace
as

required

Tighten
support
plate
bolts
to

specified

torque
or

replace

plate

Replace
as

necessary

Replace
linings

Blowout

assembly
with

compressed
air

or

refinish
drum

Replace
faulty
unit

Replace
if

faulty

Cam

ground
lining
to
elilninate

glaze
If
it

doesn
t

replace
linings

Turn
drum
or

replace
as

necessary

Check
with
dial
indicator

turning
disc

by

hand
If
runout
exceeds

specifications
re

place
disc

Measure
around
disc
face
with
micrometer

Replace
disc
as

required

Check
and

adjust

Check
and

replace

Replace

Check
and

adjust

Check
and

replace

Clean
or

replace

Replace

Shave
or

replace

Repair
or

replace

Page 456 of 548


ILLUMINATION
CONTROL
UNIT
Body
Electrical

System

8

GY
GW

AIMING

ADJUSTMENT

To

adjust
vertical

aim
use

adjusting

screw
on

upper
side
of

headlamp
and

to

adjust
horizontal
ailn

use

adjusting

screw
on
side
of

headlamp
BE1200

Fig
BE

I3
Illumination
Control
Unit

1

Vertical

adjustment

2

Horizontal

adjustment

BE1210

Fig
BE
14

Aiming

Ad
iusting
Screws

Note

Before

makiiIg
headlamp
aim

ing

adjustment
observe

the
follow

ing
instructions

a

Keep
all
tires
inflated
to
correct

pressures

b
Place

car
and
tester
on
one
and

BE
11
same

flat
surface

c
See

that
there
is

no
load
in
car

coolant

engine
oil

fIlled

up
to

correct
level
and
full
fuel
tank

other

than
the
driver
or

equivalent

weight
placed
in

driver
s

position

d

For
details
refer
to
SAE
J599d

When

performing
headlamp
aiming

adjustment
use

an

aiming
machine

aiming
wall
screen
or

headlamp
tester

For

operating
instructions
of

any

almer
it

should
be
in

good
repair

calibrated

and
used

accordi

g
to

respective
operation
manuals

supplied

with
the
unit

If

any
aimer
is

not
available

aiming

adjustment
can
be
done
as

follqws

Turn

headlamp
low
beam
on

H

Horizontal
center
line

of

headlamps

BE297D

Fig
BE
I5

Aiming
Adjustment
Unit

mm
in

Note

a

Adjust
headlamps
so

that

upper

edge
of
hot

spot
is

equal
in

height

to

headlamp
height
and
left

edge
of

hot

spot
is

equal
in

height
to
each

center
line
of

headlamps

b

Dotted
lines
in

illustration
show

center
of

headlamp

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