DELAY VALVE
DISTRIBUTOR WITH DOUBLE ACTING VACUUM
A delay valve
is mounted
in the vacuum passage between
CONTROL UNIT
the carburetor and the vacuum control unit of the distri-
u
butor.
The valve delays the formation of a vacuum
by
SA-VersIon as from
model
1971
around six seconds. The ignition advance is therefore
~
,
.
tor
IS
equnp
ed
WIth
a
centnfugalregulator
delayed during acceleration and the emission of name
which de endin
P
‘
t
l
the
nition
oxide (N0xl ,5 reduced.
p
g on engine speed con re s
9
advance. The distributor has also a double acting vacu-
um
regulator.
The
outer
part
of
the
vacuum
regulator
(connection 2) is controlled by the underpressure that is
present just above the throttle and adjusts the
ignition rel-
ative to engine speed.
The inner part of the vacuum regulator (connection 2)
is
controlled by the underpressure that is present under the
throttle and gives ignition advance when the throttle is
closed. The hose is connected to the carburetor interme-
diate flange.
The membran surface is bigger on the side which is in-
creasing the ignition advance when the underpressure is
equal in both vacuum lines.
DE LAY
VALVE
Checking
Checking is carried out by means of a stop watch, a tacho-
meter and
a
stroboscope.
1.
Connect the tachometer and stroboscope.
2.
Let the engine run at normal idling speed.
3.
a.
Have an assistant open the throttle valve suddenly
and let the engine run at around 3 000 r/min.
Take the time from the moment the throttle valve
was
opened.
'
h
b-
Check the firing point using the stroboscope kg
t.
The vacuum regulator should cut in after SIX seconds
(i two seconds) and the ignition advance should be
increased.
FaUItV delay valve should be replaced.
$3103
DISTRIBUTOR
WITH
DOUBLE
ACTING
VACUUM CONTROL
UNIT
1.
Connection
for
hose from the carburetor
CHECKING THE DELAY VALVE
2. Connection for hose from the intermediate flange
SAAB
342-13
Содержание 95 1967
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Страница 281: ...WIRING DIAGRAM SAAB 95 R H D MODEL 1967 371 3 March 1979...
Страница 283: ...WIRING DIAGRAM SAAB 95 L H D MODEL 1967 371 5 March 1979...
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...
Страница 311: ...March 1979 sessil WIRING DIAGRAM MONTE CARLO L H D MODEL 1968 371 3...
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 357: ...Ell um am iL 1 EL I L RING DIAGRAM SAAB 96 USA MODEL 1972 1973 WI March 1979 371 79...
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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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