Exhaust System Description - Datsun 620 Series 1977 Service Manual

Datsun pick-up 620 series 1977 service manual
Table of Contents

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Engine
Control
Fuel
Exhaust
Systems
2
Remove fuel
filter
INSPECTION
Fuel
tanle
Check
fuel
tank
for
cracks
or
deformation If
necessary
replace
2
Fuel hose
Inspect
all hoses for cracks
fatigue
sweating
or
deterioration
Replace
any
hose that is
damaged
3
Fuel tube
Replace
any
fuel tube that
is
crack
ed rusted
collapsed
or
deformed
Note
Inspect
hoses and tubes
ac
cording
to
the
periodic
mainte
nance
schedule
4
Fuel filter
Replace
fuel
filter
according
to
the
periodic
maintenance
schedule
or
when it is
clogged
or
restricted
DESCRIPTION
REMOVAL
DESCRIPTION
The
exhaust
systems
installed
on
the
non
California models
differ
in
specifications
from those installed
on
the California models
Fuel filter
is
of
a
cartridge
type
and
cannot
be cleaned
Always
replace
with
a
new one
5
Fuel
tank gauge unit
Check gauge
unit
for
rust
deforma
tion
or
deterioration
If
necessary
replace
INSTALLATION
To
install
reverse
the
order
of
removal Observe the
following
I
Install hose
clamps
securely
Do
not
tighten
excessively
to
avoid
damaging
hoses
2
Fasten
clips
holding
fuel tube
on
under
body securely
Failure
to
follow
this
caution
could result
in
damage
to
the
surface of fuel tube
3
Do not kink
or
twist
hose and
tube when
they
are
routed
EXHAUST SYSTEM
CONTENTS
FE 6
FE
8
INSPECTION
INSTAllATION
Non
Cal i f o r n i a
models
The exhaust system
consists
of
a
front exhaust tube
a
main
muffler
assembly
with
rear
tube
mounting
hangers
brackets and
a
heat
insulator
FE 6
4
Install
fIller
hose
after fuel tank
has been mounted
in
place
Failure
to
follow this
caution
could
result
in
leakage
from around hose
connections
5
When
installing
fuel tank
gauge
unit
align
the
projection
of tank
gauge
unit with the
notch
in
fuel tank and
tighten
it
securely
Be
sure
to
install
gauge unit
with O
ring
in
place
6
Run
engine
and check for
leaks
at
connections
Tightening torque
Drain
plug
5
0
to
6
0
kg
m
36 to 43
ft Ib
Fuel tank
securing
bolt
0 8
to 1
I
kg
m
6
to
8 ft Ib
Reservoir
tank
securing
bolt
032
to
0
44
kg
m
2 to 3
ft Ib
FE
8
FE 8
California models
The exhaust
system
cOllsists
of
a
front
exhaust
tube
a
catalytic
conver
ter
assembly
a
center
tube
a
main
muffler
assembly
with
rear
tube
mounting
hangers
brackets and heat
insulators
The
catalytic
converter
is
COD
nected
to
the front
tube and the
center
tube with bolts and
nuts

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