BOMBARDIER 1982 Shop Manual page 124

SECTION 02 ENGINE
SUB-SECTION 05 (464 ENGINE TYPE)
7. Fan adaptor
2. Fan
3. Bushing (4)
4. Hexagonal head cap screw
7/4-20 x
7 (4)
5.
Flat washer
77/64
x
7/8
x
.060
(4)
6. Hexagonal flanged elastic stop nut
7/4-20
(4)
7. Lockwasher
6 (4)
8. Allen screw M6 x 7.00 x
76 (4)
9. Radiator case
70. Coolant tank
77. Hexagonal flanged elastic stop nut
7/4-20
(4)
72. Hexagonal head cap screw
5/76-78 x
3 7/2 (4)
73. Vibration damper (8)
74. Radiator
75.
Bushing (4)
76.
Washer (4)
77. Hexagonal elastic stop nut
5/76-78 (4)
INSPECTION
Check general condition of hoses and clamps tightness.
DRAINING THE SYSTEM
To drain the cooling system, remove the coolant tank
cap.
Remove the R.H. access grill, and connect a length of
plastic hose to the radiator drain valve in order to drain
the cooling system outside of the body.
®
Open the drain valve.
DISASSEMBLY & ASSEMBLY
@To check thermostat, put it in water and heat water.
Thermostat should open when water temperature reaches
43°C (110°F).
@@Apply pipe thread sealant to avoid leaks.
PAGE 122
78. Flat washer
73/32
x
77/76
x .060 (4)
79. Hexagonal elastic stop nut
5/76-78 (4)
20. Drain valve
27. Pressure cap
22. Hose (overflow)
25" (635
mm)
23. Hose
24. Gear clamp (4)
25. Thermostat
26.
Grommet
27. Sensor
28. Hose
29. Hose
75" (387
mm)
30. Clamp (2)
37. Cover plate (top)
32. Cover plate (side) (2)
33. Square washer
7/8
x
5/8 (7)
34. Rivet
(7)
35. Plug (2)
REFILLING THE SYSTEM
Capacity:
6.25 liters
(1.4 Imp.
gal.) (1.7 U.S. gal.)
55% antifreeze
+
45% water
To refill the cooling system, unscrew the plug on top of
the cylinder head, then slowly pour the liquid into the
coolant tank until it reaches the plug hole in the cylinder
head. Reinstall the plug. Continue to pour the liquid in
the coolant tank until the coolant level reaches 25 mm
(l
U
)
below filler neck of reservoir.
With the pressure cap removed, start engine to allow
the coolant to circulate and let it run until normal tem-
perature is reached. Stop engine.
Then recheck coolant level, ensuring that it is 25 mm
(1 ") below filler neck of reservoir.
.... WARNING: Always unscrew cap to the first step
...... with a cloth to release pressure, before removing it.