INSTALLER-SEAL 2149540 - Caterpillar

Removal Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Drain the coolant from the cooling system . Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC)- Change" for the correct draining and filling procedures.
Remove the upper radiator hose.
Illustration 1 g01938959
Remove bolts (2).
Remove housing (1) and remove water temperature regulator (3). Installation Procedure
Note: Check the O-ring seals, the gaskets, and the seals for wear or for damage. Replace the components, if necessary.
Install the water temperature regulator (1) in the reverse order.