wheel bolt torque DATSUN PICK-UP 1977 Owner's Guide

Air

Conditioning

1foo

1t
1

t7
LV

I
1
Clutch
wheel

bearing

2

Snap
ring

3

Clutch
wheel

assembly

4

Magnet
coil

5

Shaft
seal

assembly

6

Service
valve

7

Flange
valve

O

ring

8

Cylinder
head

9

Cylinder
head

gasket

10

Cylinder
gasket

11
Valve

plate
assembly

12
Base

plate
gasket

13
Base

plate

14
O

ring

15
Oil
filler

plug

16
Clutch

assembly

17

Compressor
assembly

COMPRESSOR

CLUTCH

The
most

likely
source
of

problem

is
clutch

slippage
Factors
are
listed

here

Exercise

ample
care

I

Clearance
between
clutch

hub

and

pulley
should
be
0
4

to
0
6
mm

0
016
to

0
024
in

at
all

peripheral

points

2
Make
sure
that
there
is

no
oil
or

dirt

on
friction
surfaces
of
clutch

disc

clutch
hub
and

pulley
Remove

oil
or

dirt

with
clean
lint
free
cloth

3
Make
sure
that
terminal

voltage
at

magnetic
coil
is
above
IO
5V

REMOVAL

I

Using
Clutch

Spanner
Wrench

hold
clutch
hub
With
suitable

socket

wrench
remove
bolt

retaining
clutch

hub
to
crankshaft
H

@
@

AC776

Fig
AC
51

Remouing
bolt

2
Then

using
Clutch

Removing

Bolt
remove
clutch

assembly
from

cmnkshaft

Fig
AC
52

Removing
clutch

AC34
AC775

Fig
A
C
50

Exploded
view

of

compressor

3

Loosen
four

electromagnetic
coil

mounting
screws
Coil

assembly
can

then
be

taken
out

easily

Fig
A
C
53

Removing
magnetic
clutch

INSTALLATION

Locate
the

electromagnetic
coil

at

the

correct

position
on

compressor

housing
Then
secure
four

electro

magnetic
coil

mounting
screws

Tightening
torque

Electromagnetic
coil

mounting

screws

0
7

kg
m
5
1

ft
Ib

2
Install
the
clutch

assembly
on
the

crankshaft

Note

Key
should
be

set
on
crank

shaft
before

installing
clutch
assem

bly

3

Using
Clutch

Spanner
Wrench

hold
clutch
hub
With

socket
wrench

secure
clutch
hub

securing
bolt

Tightening

torque

Clutch
hub

securing
bolt

1
5

kg
m

II
ft
lb

DISASSEMBLY

1
Remove
two

snap
rings
retaining

bearing
They
are

located
inside
of

clutch
wheel

AC500

Fig
AC
54

Removing

snap
rings

2

Using
Clutch
Wheel

Remover

KV99100700
and
conventional

puller

remove
V

pulley
with

bearings
from

clutch
wheel

KV99100700

AC501

Fig
A
C
55

Removing
clutch
wheel

bearings

3

Using
Bearing
Remover

ST33061000

press
clutch
wheel
bear

ings
out
from
clutch
wheel
Air

Conditioning

9

AC502

Fig
AC
56

Removing
V

pulley
from

clutch

ASSEMBLY

I

Press

bearings
into
V

pulley
with

Bearing
Installer
ST02371000
ST02371000

AC503

Fig
A
C
57

Installing
bearin

2

Install
outer

snap
ring
in

groove

of
V

pulley

3

Using
Installer
KV99100610
and

Stopper
ST33061000

press
clutch

wheel
into
V

pulley

4

Install
inner

snap
ring
in

groove

of
clutch
wheel

t

INSPECTION

Check
friction
surface
of
clutch

for

damage
due
to
excessive
heat
or

excessive

grooving
due
to

slippage
If

necessary
replace
clutch
wheel
and

V

pulley
as
a
set

2
The

clearance
between
V

pulley

and
clutch
wheel
should
be
0
4
to
0
6

mm
0

016
to
0
024
in

If
not

replace
clutch
wheel
assem

bly

AC
35
Installer

KV99100610

2

Stopper

ST33061000

AC504

Fig
AC
58
Installing
clutch
wheel

3
Oil

or
dirt
on
friction
surfaces
of

clutch
wheel
and
V

pulley
should
be

cleaned
with
a

clean
lint
free
cloth
or

suitable
solvent

4

Check
coil
for
shorted
or

opened

lead
wire

Pay
particular
attention

to

grounding
part
of

coil
If
there
is
no

continuity
replace
electromagnetic

coil