Power Unit
GB
Inspection of Thermostat
1) Put thermostat 3 in the vessel containing water, heat it,
and measure the temperature at which the thermostat
starts to open.
3
Valve Opening Temperature :
58.5 - 61.5˚C (136.5 - 143.5˚F)
Valve Full Open Temperature :
73.5 - 76.5˚C (163.5 - 170.5˚F)
Replace thermostat if the valve is open even a
little
at ambient temperature.
2) Measure valve lift of thermostat when prescribed
temperature has been reached. Replace if the length is
less than specified value.
Water Temperature Valve Lift a
75˚C (167˚F) 4.5mm (0.177in) or over
a a
2. Remove engine anode 4 and check it.
4
Replace it if it is reduced to 2/3 of the original
size.
5-44
2st X50D2 2011
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