Model - Saab 95 1967 Service Manual

Hm ULIZHNtH
HERMOS I A ICALL Y REGULA
(Sweden-version model 1976 and 1977
from

model

1970)

the air cleaner intake and this
the intake air maintains a constant temperature of around
86°F (30°C). There are two air intakes, one for cold air
and one for heated air. The cold air
ward while the preheated air
nected to a box mounted on the exhaust pipe.
THERMOSTATICALLY
CONTROLED
1. Carburetor
2. Deceleration valve
3. Thermostatically controled valve
Feb! 1977
ED A
R RE
I P
USA- '
Vel'Slon as
is designed to ensure that
intake points for-
is supplied by a hose con-
AIR PREHEATER
Checking
To carry out the following check, disconnect the cold air
intake from the valve assembly and observe the
of the valve.
1. With the engine switched off and
bient temperature of less than
should shut off the cold air
2. When the engine is running and the ambient air tem-
perature is less than 86°F
in the intermediate position,
air to mix to a suitable temperature.
peratures, the cold air intake will
Iv. When the ambient temperature exceeds 86°F
the warm air supply will
Checking dismantled valve assembly
Sweden-version, model 1976 and 1977
1. Remove the air preheater from the air cleaner.
2. Place the flap valve under
perature of 68°F (25°C).
shut the cold air intake.
3. Raise the water temperature to 95°F
flap valve will now shut the warm air intake.
CHECKING
A DISMANTLED
position
cold, and an am-
68°F (25°C), the valve
intake.
(30°C), the valve should
allowing cold and warm
At very low tem-
be shut off complete-
(30°C)
be completely shut off.
running water with a tem-
The flap valve will now
(35°C). The
AIR PREHEATER
be