ted to the engine by means of a clutch housing of light
alloy, which also encases the differential. All gear wheels,
except the
reverse gear wheel, are helical
cut and
in
con-
stant
mesh
with
one
another.
Shaft borne gears are either carried on needle bearings or
directly splined.
The transmission has synchronizers on both the primary
shaft and the countershaft.
Gear changing movements are transmitted from the steer-
ing column gear shift lever to three shift forks. These shift
forks are able to slide on their shafts and are locked in
their respective gear positions by spring loaded poppet
balls, which fit into recesses made for this purpose on the
shafts.
In
addition,
arrangements are
provided
which
make
it im-
possible to engage two gears simultaneously.
The
working
of
the
transmission
is
shown
by
the
expla-
natory
sketch.
In
lst
gear,
power
is
transmitted
from
the
primary
shaft
to
the
counter
shaft
via
an
intermediate
gear
behind
the
freewheel.
The
1st speed gear, which
is carried on the
countershaft, is looked to the shaft by a sliding sleeve.
The power is then transmitted to the 3rd speed gear,
which is borne on the primary shaft, and thence to the
3rd gear on the pinion shaft.
In
2nd
gear,
power
is
transmitted
to
the
pinion
shaft
in
the
same
way
as
when
driving
in
1st
gear,
except
that
the
engagement
sleeve
now
locks
the
2nd
speed
gear,
instead
of
the
lst
to
the
countershaft.
The
power
is
then
transmitted
to
the
4th
speed
gear
on
the
main
shaft
and
thence
to
the
4th
gear
on
the
pinion
shaft.
In
3rd
and
4th
gears,
power
is
transmitted
from
the
pri-
mary
shaft
to
the
3rd
or
4th
speed
gear,
as
applicable,
which
is then
locked
to
the
primary
shaft
by
means
of
a
sliding
sleeve.
In
reverse,
power
is
transmitted
from
the
primary
shaft
to
the
countershaft
by
way
of the
previously mentioned intermediate gear behind the free-
wheel.
The
reverse
gear,
splined
to
and
sliding
on
the
countershaft, meshes directly with the 3rd gear on the
pinion shaft, thus turning the latter, together with the
gears,
in
the
reverse
direction.
Syn chronizer unit
The
synchronizer
unit functions as described
in the fol-
lowing:
When
the
synchronizer
sleeve
is
made
to
mesh
with,
for
instance, the dog ring on the 3rd
speed gear,
it pushes
in
front
of
it
an
internally
tapered
bronze
ring.
This
ring has external teeth corresponding to those of the
gear
dog
ring.
The
bronze
ring
is
able
to
change
its
posi-
tion
in
relation
to
the
sleeve
by
half
a
tooth
space,
and
it
also
rotates
at
the
same
speed
as
the
primary
shaft.
If
the
speed
of
the
3rd
speed
gear
differs
from
that of
the
primary
shaft
at
the
moment
when
engagement
should
commence, the teeth
on the
bronze ring will
move
into
the
way
of
the
internal
teeth
on
the
sleeve,
thus
preventing
the
sleeve
from
moving
in
the
direction
of the
3rd
speed
gear.
The
internal
taper
of
the
bronze
ring is then forced over the external 3rd gear taper and
the
friction
will
cause
the
gear
and
sleeve
to
rotate
at
the
same
speed.
The
path
is
thus
opened
for
the
sleeve,
enabling the synchronizer sleeve teeth to engage the
teeth
of the dog
ring on
the
3rd
speed
gear.
l]:
,‘
y
I
ll
DIAGRAMMATIC AR RANGEMENTbF
FREEWHEEL
1.
Clutch shaft
-
.
2.
Freewheel
hub
«593"
3.
Freewheel sleeye’"
4.
Roller
"’
S.
Coil spring
Содержание 95 1967
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Страница 285: ...1 2 s 1 E s cilia 23 21 is x n __ web 13 _ 69 w 1967 WIRING DIAGRAM SAAB 95 USA MODEL 371 7 March 1979...
Страница 287: ...38 L 1 E l s 67 WIRING DIAGRAM SAAB 96 R H D MODEL 19 371 9 March 1979...
Страница 289: ...35 wit 5 I 35 I IIIII no eel E still we is WIRING DIAGRAM SAAB 96 L H D MODEL 1967 March 1 979 371 1 1...
Страница 291: ...March 1979 S WIRING DIAGRAM SAAB 96 USA MODEL 1967 371 13...
Страница 293: ...DEL 1967 RING DIAGRAM MONTE CARLO R H D MO WI 371 15 March 1979...
Страница 295: ...ODEL 1967 CARLO L H D M RAM MONTE WIRING DIAG 371 1 7 March 1979...
Страница 297: ...March 1979 Ili EEE late 67 ING DIAGRAM MONTE CARLO USA MODEL 19 WlR S 1392 371 19...
Страница 299: ...March 1979 m BE EFTIII l i 18C 68 WIRING DIAGRAM SAAB 95 R H D MODEL 19 371 21...
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Страница 307: ...March 1979 uni I176 EWEEEEE 68 WIRING DIAGRAM SAAB 96 L H D MODEL 19 371 29...
Страница 309: ...March 1979 V R n i m 9 O n m H II l u I Y _ Ill Ill 5 EEE ere E WIRING DIAGRAM SAAB 96 USA MODEL 1968 S 1552 371 31...
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Страница 313: ...l iiiiiii WIRING DIAGRAM DE LUXE USA MODEL 1963 371 35 March 1979...
Страница 317: ...iriii iill 0 MODEL 1969 WIRING DIAGRAM SAAB 95 L H 371 39 March 1979 an...
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Страница 373: ...WIRING DIAGRAM SAAB 96 L H D MODELS 1978 AND 1979 371 95 March 1979...
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