TOHATSU EverRun MX50D2 Manual De Servicio página 124

Maintenance
1 1
2 2
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WX50
X50
a
3-20
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8) Inspection of Thermostat
Loosen cover installation bolts 1, remove them, and then
1.
remove cover 2 and thermostat 3.
Hang thermostat 3 in the water contained in vessel.
2.
3. Put thermometer in the water, and warm up water to
measure valve opening temperature.
3
Measure valve lift a of thermostat when prescribed
4.
temperature has been reached. Replace if the length is
less than specified value.
a
5. Install thermostat, new gasket and cover.
Put a piece of thread in the closed valve gap and
hang it in the water. Valve opening moment can
be known when thermostat is released to drop
due to opening with rise of temperature.
Valve Opening Temperature:
58.5 - 61.5˚C (137 - 143˚F)
Valve Lift a
Water Temperature
75˚C (167˚F) 4.5 mm (0.177 in) or more
Thermostat Cover Bolt:
6 N · m (4 lb · ft) [0.6 kgf · m]
GB
2st X50D2 2011