Saab 95 1967, Service Manual

Page: 601 / 610

HEAIII‘U ‘ VIOIEIVI
The heating system is separate and connected to the
the windshield, air enters a "collector box" The
of as through a channel via the fan wheel (19) to the
a'rgoxchanger (11) from where it is led into the passen-
heatczmpartment. The fan and heat exchanger has a
93' man casing. The air is heated when passing the heat
:giangef heated by the cooling liquid, the temperature
of which can be varied by the thermostat valve The
thermostat bulb is located in the current of air injected
into the passenger compartment. The distribution of air
to the passenger compartment is controlled by air distri-
but”; (20) via controls. The current of air can either be
9
2
3
,.
it w-‘Er
‘34. “211%-
'
HEATING SYSTEM, PRINCIPLE
1~ Water pump
Radiator
Radiator cap
Expansion tank
Pressure cap
Fan
Temperature transmitter
Thermostat
By-pass
10. Water jacket, automatic choke
(not models 1976 and 1977)
11. Heat exchanger
meF’P‘PPN
ling System. Through the fresh air intake (17) in front
coo
led to the floor or thro
ways at the same time.
As from model 1971 the car
nels to the floor space in th
When the road speed excee
speed wind is generally 5
function of the heat axe
heating system is obtain
On hot summer days, d
by using the fan to dra
to say,
the defroster jets, or both
5 are equipped with air chan-
e rear seat.
ds 30 m.p.h. (50 km/h), the
ufficient to ensure satisfactory
hanger. The best effect of the
ed with closed windows.
riving comfort may be improved
w fresh air into the car. Needless
the control lever should then be set at cold.
The heat exchanger is fitted with a bleed nipple
with which the exchanger is to be bled whemver the
cooling system is refilled.
As from model 1974, a new heat exchanger has been
installed which is smaller in size but has a new cellular
package design which makes it even more effective.
‘ Cold air
12. Bleeding nipple
13. Fan motor
14. Side defroster hose
15. Defroster jet
16. Collector box
17. Fresh-air intake
18. Defroster pipe
19. Fan wheel
20. Air distributor
21. Air channel to rear floor
(as from model 1971)
22. Thermostat valve
. Drain valve .
3:. Drain plugs (one on each side)