engine DATSUN 210 1979 Service Manual

J
COnlp
reSSOI
clutch
is
not
J

engaged
c
00

ha
voltage
decreased

to
es
thall
lO
5V

Lead
wire
or
com

pressor
clutch
is

dead
I
Ground
terminal
of
coil

is
poor
a
t
connection

Repair
connection

Refer
to
CompreSior

Clutch
Diagnoses
J
J

r
In
c
e
Clutch
is
not
en

gaged
yet
replace

compressor
dutch

lr1

vetChatgO
of
Ief
ge1ant

I

I
e
refrigotant
gas
10
n
o
t
cnt
j

that
sight
gla
ss
of
receiver
drier
has

onlY
a
few
bubble

Engine5peed
l
OOrpm

i
l

r
Check
for
dis

charge
pressure

OK
if
dbcnarge

pres
ure
is

reduced
Discharge
pres

sure
is
not

reduced
l
Compressor
clutch
is
engaged
but
compre
sor

doe
not
IUn

Cbeck
and
re

adjust
gap
of

clutch
Clea
Il
oil
OJ
dust

on
contact
sur

face
of
clutch

if
slipping
con

ti
n
ues
rCPlaO
J

compressor
clutch
Check
belt
teMion

and
adjust
it

lfbelt
bwor
l
out

or
damaged
ie

pl
ce
iI

Air
in
refrigeration
System

J

Discharge
system
ftom
service

valve
on
discharge
side

Evacuate
a
nd
rech
arge
the

Lystem
J

When
torque
is
stm
grellt
repair

or
rtV1ace
compressor

j
T

son
rod
l

mp
teSSOI

j
Internal
problem

in
cornpre
sor
cyl

inder
Check
y
tem

Repau
or
replace

nece
tY
J
r
Compte
r
oille
ing
J

Air
blOW
on
spot
whcre
oil
leak
e
vidence
is

round
Then
check
for
refrigerant
leakS
us
n

leak
detectof

Refrigerant
leaking

Repau
01
replace

compttUOr
I

NO
teftig

lea
ing

Wipe
clean
oil

wi
h
Jag

L
Noisy
onlY
when

clutch
is
engaged

Check
for
oo
c

comprenor
mount

ing
Dolts

Retighten
bolts

Compressor
drive

belt
islOosc
Adjust

belt
ttM1on

If
cotTlpre
sor
is

noisY
yet
repair

or
replace
compres

sor
Noisy
when
clutch

is
not
engaged

Remove
cQm1JressOt

belL
Turn
pulley
of

compressot
clutch
by

hand
and
check
for

noise
If
noisC
is

MaId
repair
com

preM
or
clutCh

01
o
B
0
a
Ut
Ut
o
a
a
i
o
Ut
A
o
l
Cl
o
l
l

tC

Condition

I
FAULTY
CONDENSER

I

I

@
@

AC215A

I
HIGH
PRESSURE
liNE
BLOCKED

I

r

@

@

AC216A

I
FAULTY
COMPRESSOR

I

r
j
@

rg

AC217A
Air

Conditioning

o

cooling
action

engine

may
overheat

Bubbles

appear
in

sight

glass
of
drier

Suction
line
is

very
hot

Insufficient

cooling

Frosted

high
pressure

liquid
line

Insufficient

cooling

AC
39
Probable
cause

Condenser
is

often
found

not
functioning
well

Drier

clogged
or
restric

tion
in

high
pressure
line

Internal

problem
in
com

pressor
or

damaged
gasket

and

valve
Corrective
action

Check
fan
belt
and

fluid

coupling

Check
condenser
for

dirt

accumulation

Check

engine

coqling

system
for
overheat

Check
for

refrigerant

overcharge

Note
If

pressure
remains

high
in

spite
of
aU

above
actions
taken
re

move
and

inspect
the

condenser
for

possible

oil

clogging

I

Discharge

system

2
Remove

receiver
drier

or
strainer

and

replace

it

3

Evacuate
and

charge

system

I

Discharge
system

2
Remove
and
check

compressor

3

Repair
or

replace
com

pressor

4

Check
oil
level

5

Replace
receiver
drier

6
Evacuate
and

charge

system

PERFORMANCE
CHART

TEST
CONDITIONS

Test
car
location

Door
windows

Door

Hood

Air
lever

Temperature
lever

Fan
switch

Engine
speed
Indoor
or
in
the
shade

Open

Closed

Open

COOL
Ale

Max
cold

3rd

1
500

rpm

TEST
READING
Air

Conditioning

Inside
air

Recirculating
air

at

cooling
unit
inlet

Relative
humidity

40
to

60

60
to

80

Relative

humidity
Ambient
air

temperature

oe
OF

40
to

80
20
68

25
77

30
86

35
95

40

104
Discharged
air

temperature
at

center
outlet

oe
OF

Air

temperature

oC
OF

20
68

25
77

30
86

35
95

20
68

25
77

30
86

35
95
1
5
to
5
0
35
to
41

6
0
to
9
5
42
to

49

10
5

to
14
0
51
to
57

i5
O
to
19
6

59
to
66

5
0
to
8

0
41
to

46

9
5
to
13
0
49
to
55

14
0
to
18
0
57
to
64

19
0
to
23
0

66
to
73

Pressure

high
Discharge
side

kg
cm2

psi
Pressure
low
Suction
side

kg
cm
2

psi

9
8
to
10

7

139
to
152

10
5
to
11
8
149

to
168

12
0
to
13

9
171
to
198

13
9
to

16
7

198
to
237

16

5
to

20
5
235
to
292
1
1

to
1

8

16
to

26

ii

1

2
to
1
9
17
to
27

14
to
2
3
20

to
33

1

9
to
2
8
27
to

40

2
7
to
3
8
38
to

54

AC
41

r

Air

Conditioning

SERVICE
DATA
AND

SPECIFICATIONS

GENERAL

SPECIFICATIONS

Compressor

Model

Type

Displacement

Cylinder

Bore
x

stroke
cc
ell
in

rev
SC206

Yoke

100
6
10

mm
in

47

6
x
28
1

1
874
x
1
106

Clock
wise

View
from
drive
end
Direction
of
rotation

Lubrication

oil

Type

Capacity
in

refrigeration

system
cc
US
11

OZ

Imp
11
oz
SUNISO
5GS

237
8
0
8
3

Refrigerant

Type

Capacity
kg

lb
R
12

0
8
to
1
0
1

8
to
2
2

INSPECTION

AND
ADJUSTMENT

Belt

tension

mm
in

kg

lb

Fan

belt

applied
pressure
8
to
12

0
31
to
0
47

10
22

8
to
12

0
31
to
0
47

10
22
A
C

compressor
belt

applied
pressure

F
I
C
D

adJustment

Automatic
700

rpm

650

rpm

at
Du

position
When

AlC
is

ON

F

LC
D
is

actuated

800

rpm

800

rpm

at
Nu

position
Engine
model
Transmission
When

AlC
OFF

Manual

AI4
AI5

Clutch
hub
to

pulley
clearance
mm
in

0
4
to
0

6
0

016
to
0
024

AC
42