Water Pump Assembly And Thermostat Housing; Thermostat - New Holland LS140 Workshop Manual

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Op. 10 402 28

WATER PUMP ASSEMBLY AND

THERMOSTAT HOUSING

1. Remove the backplate, 3, and gaskets, 2, from

the pump assembly, 1.

roughness, or damage. If defective, replace the

pump assembly.

Op. 10 402 30

1. Remove the thermostat housing, 1, from the

housing base, 2. Remove the thermostat, 3.

2. Replace the thermostat if the valve is open at

ambient temperature.

3. Test the thermostat by placing it in a pan of water

and gradually heating the water. Observe the

point at which the valve starts to open and at

which it is fully open. Replace a thermostat which

fails to meet the following specifications.

Temperature when Starting to Open

(176° - 183°F)

1. Insert the thermostat into the housing base.

Ensure the heat sensing element is toward the

cylinder head. Install the thermostat housing

using a new gasket and suitable sealer.

2. Assemble the backplate to the water pump

housing using a new gasket and suitable sealer.

Rotate the pump shaft to confirm free rotation.

SECTION 10 - ENGINE

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