Datsun C210 series Manual page 115

I
t
r
e
ir
P
From
fuel
tank
1
ili
u
J
It
I
1
Emission Control
System
1
From
fuel
tank
Fuel vapor
vO
U
Air
1 To crankcase
D
1 Flow
guide
valve
2
Check
valve
3
Fuel
tank
@
2L
W
INSPECTION
Fuel tank
and
vapor vent
line
I
Check
all hoses
and fuel
tank
filler
cap
2
Disconnect
vapor
vent
line
con
necting
flow
guide
valve
to
fuel tank
1 Flow guide
valve
2
Vapor
vent line
3
Fuel filler
cap
4
Check
valve
5
Fuel tank
EC051A
Fig EC
40
Evaporative
emission control
system
Fig
EC 41
EF615
Disconnecting
vapor vent
line
EC 15
3
Connect
a
3 way
connector a
manometer and
a
clamp or an
equiv
alent 3 way
change
cock
to
end of
vent
line
4
Supply fresh
air into vapor
vent
line
through cock little
by
little until
pressure
becomes
about 3 923 kPa
400
mmH20
15
75
inH20
Then
leave
clamp
and cock closed for 2 5
minutes
5
After
2 5 minutes
measure
height
of
liquid
in manometer