Carrier V2203-DI - Thermostat and Water Pump Assembly Service

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4.2 SERVICING
4.2.1 Thermostat Assembly
1. Thermostat Cover Bolt
2. Thermostat Cover
3. Thermostat Cover Gasket
4. Thermostat Assembly
5. Thermostat Housing
1. Removethethermostatcover mountingbolts(1),and
remove t he thermostat cover (2).
2. Remove the thermostat assembly (4).
(When Reassembling)
Applyaliquidgasketonlyatthethermostatcoversideof
the thermostat cover gasket (3).
4.2.2 Water Pump Assembly
1. W ater Pump Flange
2. W ater Pump Shaft
3 Water Pump Body
4. W ater Pump Gasket
5. Mechanical Seal
6. Impeller
1. Remove the fan belt.
2. Remove the water pump pulley.
3. Remove the water pump from the gear case assem-
bly.
4. Remove the water pump flange (1).
5. Press out the water pump shaft (2) with the impeller
(6) on it.
6. Remove the impeller from the water pump shaft.
7. Remove the mechanical seal.
(When Reassembling)
Replace the mechanical seal with a new one.
Apply a liquid gasket to both sides of the gasket (4).
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