Lafayette 3612 Engine BBDHQ00 - Caterpillar

TYPE="LEVEL" DEPTH="1" @@@-->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 to a level below the water temperature regulator, into a suitable container for storage or for disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change" for the correct draining and filling procedures.
Illustration 1 g03653998
Loosen clamps (3) and disconnect hose assembly (4) from water temperature regulator housing (2).
Remove bolts (1) and remove water temperature regulator housing (2) from the cylinder head. Note: Note the orientation of the water temperature regulator housing (2).
Remove O-ring seal (5) (not shown) from water temperature regulator housing (2). Installation Procedure
Ensure that all components of the water temperature regulator housing are clean and free of wear and damage. Check the water temperature regulator for correct operation. Refer to Testing and Adjusting, "Water Temperature Regulator, "System Operation - 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 2 g03654011
Illustration 3 g03654002
Typical example
If the original water temperature regulator (2) is to be installed. Install a new O-ring seal (5) to water temperature regulator housing (2). Ensure that the O-ring seal is correctly installed into the recess of the water temperature regulator.
Install water temperature regulator housing (2) from the cylinder head. Ensure that the water temperature regulator housing is correctly orientated.
Install bolts (1). Tighten the bolts to a torque of 22 N m (195 lb in).
Connect hose assembly (4) to water temperature regulator housing (2).
Tighten clamps (3) to a torque of 7 N m (62 lb in).
Fill the cooling system to the correct level. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Check" and Operation and Maintenance Manual, "Cooling System Coolant - Change" for the correct filling procedure.