BRACKET AS 4848286 - Caterpillar

Specifications
Table 1
Water Temperature Regulator Specifications    
Opening temperature of water temperature regulator    
80° to 84°C (151° to 176°F)    
Maximum open length at a temperature of
94° C (201° F)    
11 mm (0.43307 inch)    Test Procedure
Personal injury can result from escaping fluid under pressure.If a pressure indication is shown on the indicator, push the release valve in order to relieve pressure before removing any hose from the radiator.
Remove the water temperature regulator from the engine. Refer to Disassembly and Assembly, "Water Temperature Regulator".
Heat water in a pan until the temperature of the water is equal to the fully open temperature of the water temperature regulator. Refer to table 1 for the correct value. Stir the water in the pan. This will distribute the temperature throughout the pan.
Hang the water temperature regulator in the pan of water. The water temperature regulator must be below the surface of the water. The water temperature regulator must be away from the sides and the bottom of the pan.
Keep the water at the correct temperature for 10 minutes.
After 10 minutes, remove the water temperature regulator. Immediately measure the opening of the water temperature regulator. Refer to table 1 for the correct value.If the distance is less than the amount listed in table 1, replace the water temperature regulator.