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The thermostat should start to open at 86-89°C (187-193°F) and be
fully open when the water reaches boiling point.
If the thermostat does not function correctly replace it with a new
one. Thermostats cannot be adjusted or repaired.
Temperature gauge and sender unit
The temperature gauge reading depends upon the variation in
resistance of a thermistor. Needle fluctuation is reduced by the use of
silicone in the pointer bearing.
Cooling system specification
Cooling system
Capacity including heater
3.98 litres (7 pints) – 700cc
3.41 litres (6 pints) – 750cc
Radiator
Cap pressure
0.281kg/cm² (4 lb/in²)
Thermostat
Type
Wax
Starts to open
86-89°C (187-193°F)
Fully open
103°C (218°F)
Opening distance
7.11 mm (0.28 in)
Fan
Fan Diameter (4 blade)
254 mm (10 in)
Belt tension
13 mm (½ in) total free movement
Water pump
Type
Centrifugal
Pulley ratio
1.172:1
If faulty readings are suspected check the unit as follows:
With the ignition on, disconnect the wire from the sender unit
(located on the side of the thermostat housing). The gauge should
read “cold”. Now earth the sender wire to the engine and the needle
should move to “hot”. This proves the gauge is correctly working so
would indicate that any incorrect reading will be due to a faulty
sender unit, which will need replacement. A fault in the gauge will
require replacement of the unit.
Anti-freeze quantities
Volume
In water
%
Fluid
Down to
°C (°F)
Solidifies
At
°C (°F)
Amount of
Anti-freeze
required
Specific
gravity
10
-4 (+25)
-8 (+17)
0.37 litres
(0.65 pints)
1.016
15
-7 (+20)
-14 (+17)
0.55 litres
(0.96 pints)
1.026
20
-9 (+15)
-19 (-3)
0.74 litres
(1.3 pints)
1.034
25
-13 (+9)
-29 (-20)
0.92 litres
(1.62 pints)
1.042
30
-16 (+3)
-39 (-38)
1.11 litres
(1.94 pints)
1.050
40
-25 (-13)
-48 (-54)
1.48 litres
(2.6 pints)
1.065
50
-37 (-34)
-58 (-72)
1.84 litres
(3.25 pints)
1.080
Содержание Rebel 700 1967
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