RM3660EC _51 Engine / Hybrid System _080776 NR Series COOLING _0392639 THERMOSTAT G

NR Series COOLING  THERMOSTAT  INSPECTION  


PROCEDURE

Hide 16031 1.INSPECT WATER INLET WITH THERMOSTAT SUB-ASSEMBLY

CAUTION:
A342307

·

Do not put your hands into the water that has been heated for the inspection.


·

Touching the heated water could result in burns.



HINT:
A352383

The valve opening temperature is inscribed on the water inlet with thermostat sub-assembly.


a.

Immerse the water inlet with thermostat sub-assembly in water, and then gradually heat the water.


b.

Check that the valve of the water inlet with thermostat sub-assembly opens at the specified temperature.

Standard Valve Opening Temperature:

80 to 84°C (176 to 183°F)


If the result is not as specified, replace the water inlet with thermostat sub-assembly.


c.
A352384C02
1.594,0.177 1.906,0.375 0.313,0.198 10 false *a
*a Valve Lift


Check the valve lift.

Standard Valve Lift:

8.0 mm (0.315 in.) or more at 95°C (203°F)


If the result is not as specified, replace the water inlet with thermostat sub-assembly.


d.

Check that the valve is fully closed when the water inlet with thermostat sub-assembly is at low temperatures (below 77°C (171°F)).

If it is not fully closed, replace the water inlet with thermostat sub-assembly.