NUT-HEX HD 3687380 - Caterpillar

Removal Procedure
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.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Drain the coolant from the cooling system to a level below the aftercooler coolant temperature sensor into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change".
Illustration 1 g01130042
Disconnect the harness assembly and remove aftercooler coolant temperature sensor (1).
Remove the O-ring seal from the aftercooler coolant temperature sensor. Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 2 g01130042
Install a new O-ring seal on aftercooler coolant temperature sensor (1).
Install aftercooler coolant temperature sensor (1) and tighten to a torque of 10 2 N m (89 18 lb in).
Connect the harness assembly.
Fill the cooling system with coolant. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change".