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F41·I
2
2)
Second ratio
The
selection of position 2
only allows the
first
two ratios to be used;
the
3rd
ratio (or
di red
drive) cannot be
engaged, whatever the speed
of
the vehicle.
In this position, therefore, it
is possible:
- to hold the
second
ratio beyond the normal speed
level,
which
ensures
automatic switching to
the
3rd
ratio;
- to gear down manually into second
gear
under
special driving conditions (for
mountain
rlriving,
for instance).
1) First ratio
Selecting
this combination enables the driver
to
engage the first ratio manually.
However, a safety system prevents
direct
shifting
into first gear
If
this r2.nge is selected
at
a
speed
higher than
45
krn/h approximately.
This
safety
system prevents
the occurrence of
excessive engine speeds
and
even
of
the
dangerous
sudden "braking
effect" which would
otherwise
result fro11 selecting the wrong ratio.
In such
Fig. 1
GENERAL
cases,
It
is t he
second ratio
wh
i
ch
is
engaged,
the first
ratio
being engaged in
its turn only
below
45
km/h.
As
soon
as the first
ratio
:s
engaged,
it
remains engag ed,
even
if the
driver accelerates
beyond
the
maxi
m
um prescribed engine speed.
112) Automatic
interlock
Automatic transmission interloc
king
is
controlled by an hydraulic
system
, with w
hi
ch
shifting into the
three
forward
r at
i
os
is
dependent on:
- the load,
;JS
r
ep
resented
by
t
he position
of
the
accel erator pedal,
whic
h
i
s l
i
nked
with
the
kic
k-
down
valve.
-
the speed,
as
represented
by
the
speed
of the
output shaft,
wh
ich is
interlocked
with
a
centrifugal
reou
lator.
The chart (Fig. 1)
shows
the
vari
ous limits
for
automatic
shi
fting
as
dependent
on t
he
speed of
the
vehi
cle,
and on
the
ang
le
or
perc
entage of
op
ening
of
t
he
carburettor
butterfly
valves,
r--
r-
-
r--
-
r--
-
G
.055
~:~pt.
++H---11--H-HI-
~-
++-t-+-t-t-+-t-1-
f- -
+4~~~~+~1
-
~
rr~~1-~~~~,_rr~-r~t-~rr+
' " -
-
·
- I-
I
1
/
1
/
1/
IJ_
1-
++~~~~~~~~-H-HHr~~~~~~~++++++++++~~·
~)
"
A
• 3-
1
gea
ri
ng
down
B
• 1-2 shifting
C
•
3-1
Ki
ck-
dow
n
D
•
1-2
kick-'down
sh
i
ft
i
ng
E. 3-2
kick-down
F
• 2-3
Kick-down shifting.
G. Fully opened bu
tterfly
H
. Tight spot
area
on
co
ntrol.
J.
3-2 gear
ing
down
for
partly opened
bu
tt erfly
K
•
2-3
shifting
L.
Limit for manually
~on
t
ro
l
led
shifting
Into
1s
t.
1 •
Angl
e
of bu
t
terf
l
y valve opening
2.
%
of
butterfly
opening
3.
speed
i
n
miles
4 •
in
km.
CHRYSLER
160·160GT-
180
Reprint
or
translation,
even
pa rtia
l,
is
st
rictly
p
ro
hibited
·w
ithout
written
perm
issio
n
from CHRYSLER FRANCE
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