SPRING AS 4861226 - Caterpillar

Removal Procedure
Note: Refer to Specification UENR3421 "Engine Design" for non-specified engine Torque Values.
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.Dispose of all fluids according to local regulations and mandates.
Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the correct draining and filling procedures. Note: Coolant only needs drained to below the water temperature regulator.
Illustration 1 g02794379
Disconnect hose assembly (1).
Remove bolts (2) from the water temperature regulator housing . Remove water temperature regulator elbow (3).
Illustration 2 g02794381
Illustration 3 g02794385
Remove gasket (5) and remove water temperature regulator (4) from the water temperature regulator housing. Note: Note the orientation of the water temperature regulator elbow.Installation Procedure
Install water temperature regulator (4) in the reverse order of removal.
Check the water temperature regulator for correct operation. Refer to System Operation, Testing and Adjusting, "Water Temperature Regulator - Test" for the correct procedure to test the water temperature regulator. If any components of the water temperature regulator housing are worn or damaged, the complete assembly must be replaced.
Illustration 4 g03388931
When installing thermostat (4) be sure to orientate hole (6) facing forward front cover side.