1979 DATSUN 210 torque

REMOVAL

1
Remove
each
screw

securing
dis

charge
and
suction
connectors

using

TOD
Driver
Bit

2
Pull
out
each

discharge
and

suc

tion
connector

Note
Memorize
mounted
direction
of

discharge
and
suction
connectors
to

ensure
correct

reassembling

a@

AC873

Fig
AC
63

Removing
Discharge
and

Suction
Connectors
Air
Conditioning

INSTALLATION

I

Attach
new
O

ring
to
each

cy

lindrical

portion
of

discharge
and
suc

tion
valves

Note

Apply
clean
lubricant
to
O

ring

so

that
it
can
be

fitted

tightly
to

cylindrical
portion
and

crankcase

hole

AC
31
2
Insert
each

discharge
and

suction

valves
into

correct
valve

port
in

crank

case

by
matching
it

with
mark
on

cylinder
head

3

Set
each
valve
in

the
same

posi

tion

as
it
was
before

removal
and

tighten
screws
with

specified
torque

cD

Tightening
torque

Discharge
and
suction

connectors

2
1
to
3

2

kg
m

15

to
23
ft
b

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

Air

Conditioning

TIGHTENING

TORQUE

Compressor
bracket
to

cylinder
block
kg
m
ft

lb

3
7
to
5
1

27
to

37

37
to
5
1
27
to

37
Compressor
to

compressor
bracket

Refrigerant
line
connection

3

8
in
diameter
tube

1
2
in

diameter
tube
3
0
to
3

5
22
to
25

4

5
to
5

0
33

to
36

Compre
or

Electromagnetic
coil
kg
m
ft

lb

2
1
to
3
2

15
to

23

0
7

to
1
0

5
1
to
7

2

1
5

11

0
7
5
1
Cylinder
head

and
connector

Seal

plate
securing
cap

Clutch
hub

AC
43

olIIl