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Table of Contents
Carbure
tor calibration
technica
l cord
............
..
..
.
The combustion process
..
...
.
..
......
.. ......
....
. ..
...... .
C
hanging
engine speeds
...
..
...
......
..
....
..
..
.
....
..
..
.
Va
riations
in eng
ine loads
...
.. .........
........
.
..
..
.
C
hanging engine
temperatures
..............
......
..
.
Influence
of a ir density on
the
o ir·fuel
ratio
.
.
Principles
of
carburet
io
n
...
..
. .. ... .....
......
.. .
Operation of a
simple carbureto
r
....
..
..
......
..
..
Basic
principles of carburetor operation
.........
.
Comparison of constant-velocity and
slide-type
carburetors
(C
V)
.. . ..
.. .. ..
.
..
..
. .
......
..
.......
...
.
Operation
of
circuits
peculiar
to the
CV carburetor
·
!v
..
;.L..::.uilun of
ports.
oPJ ope:..;lton
of
bosrc
Clic.u ·.,
The
pilot
ci
rcuit
:..
.
........
..
...
.....
....
....
.
rhe
transition circui
t
.
..
......
....
...
................. .
The
mid ra
nge circuit
.....................
..
....
......
....
..
.
The
high·speed circuit
.. ....
.
...
..
..
....
...
............
..
Sta
rter
c
ircuit
.. ..
.. .. . .
..
..
..
..
..
......
..
....
.
Accelerato
r
pump circuit
..
......
.
..
..
....
.....
.....
.
..
..
..
.
C
oasting
enrichener
system ......
.. .....
... ...
....
..
. ..
..
.
Proper
carburetor
cleaning
...
..
..
...
....
..
..
........
.
Inspectio
n
of carburetor components
.......
......
.....
.
M
ixture
control valve
troubleshooting
.......... ...
.. ...
.
C
arbureto
r a
ir vent system
(California-only models)
.
Troubleshooting hints
....
....
..
...
.....
.....
..
...
.
CARBURETOR
CARBURATEUR
0 .4
0.6
0.7
0 .9
0
.
10
0
.
12
0
.16
0.
16
0
.17
0
.23
0
.25
0
.33
0
.37
0
.39
0
.46
0
.48
0
.5
1
0
.53
0.54
0
.57
0
.62
0
.62
0
.62
Schema etollonoge corburoteur
......
.....
..
.......
..... .
Precede de combustio
n
.
...
..........
..
..
.. ..
....
..
.....
.
.
.
Variatio
n
d
u
numero des
revolutio
ns
du
mo
teur
....
.
.
Va
ria
tion des charg
es
du
moteur
.
.. .
..
.
..
..
..
.
..
.
..
Variation des
temperatures d
u
moteur
.
.
.
. . . . .....
...
.
Influence
de
Ia
densite
de
l'o ir sur
le
rappo
rt
o
ir-co
rburont
. ..
.
.
.
.
. .
..
..
.
.
.
.
.
.
.. .... ...... ..
Principes
de
co
rburo
tion
....
......
..
...
........
..
..
..
.. .
Fonclionnement d'un carburateur simple
.
.......
..
.... .
Fonction
nement
d
e bose
du
co
rburo teur
......
.
C
ompara ison
en
tre
les
carburo teurs
o
vonne
et
a
vi tesse con stante (CV)
.
......
.
r
viiCltUIIIh.:ll•-..·
·;
u;.;.,
L.
II
CUib
'-viu~.o!<.'ll::>i
h..j
i..H.J.)
uu
carbu ro
teur
C
V
.
.
..
..
.....
..
.
..
Identifica
tion des
pa rties
et
foncflonnement des
circuits
de
bose
...
..
....
......
..
.. .. .. . ..
.
..
......
..
C
ircuit du
minimum
.... .....
.......
.. .. ......
.
.....
.
C
ircuit
de
tra
ns itio
n
..
.......
..... .. .
.
.
.
.
......
...
..
..
..
Circuit moyen
...........
..
.
..
.
..
........
....
.
...
....
.
..
..
Circuit
o
haute vitesse ..
..
....
......
..
...
..
...
..
..... ...
..
.
.
Circuit du d emo rreur
.. ..
. .
..
..
....
..
.
.
C
ircuit d
e
Ia
pompe d'occelero tio
n.
. .......
..
..
.
Systeme d
'
enrich issement
par inertie
......
.
....
.... ..
. .
Nettoyage d
u co rburateur
..
. . .. .. ..
..
. ..
...
.....
..
.
Verifiez si les
composonts du
ca rburoteur
sont
usures
ou
endommoges ..
.
............... ........
..
....
. ..
R
echerche des
pa
nnes pour Ia soupape d
e
reg
loge
melange
..
....... ...
......
..
.
..
....
....
....
..
..
.
.
..... .....
.
.
Systeme
d'event
a ir
d
u co
rburo teur
(seulement
pour
modeles
vendus
en
C
o lifornie)
......
.
..
...
.....
.
.
Conseils
pour Ia recherche
des ponnes
..
........
. .
--
·
-
0
.5
0.6
0
.7
0 .8
0.10
0 .13
0 .16
0.1
6
0.
17
0
.24
0.26
0. 29
0.
34
0
.38
0 .39
0
.47
0 .49
0
.52
0.53
0
.55
0
.58
0
.63
0 .63
0.6
3

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