Caterpillar Machine Repair Guide

Here is an instruction show you guide on how to change engine oil and filter for Caterpillar 72H pipelayer. Preparations: Caterpillar CAT ET 2022A Diagnostic Software CAT 3 317-7485 Adapter Procedures: 1. Remove the bolt in order to remove the crankcase drain access cover, which is in the crankcase guard. 2. Install a drain hose (not shown) onto drain valve elbow (3).

 Here is an instruction show you guide on how to replace and clean engine air primary filter for Caterpillar 72H pipelayer. Preparations: Caterpillar CAT ET 2022A Diagnostic Software CAT 4 478-0235 Adapter Procedures: 1. Open the engine access door on the left side of the machine. 2. Remove air cleaner housing cover (1). Pull out in order to remove the element. 3. Remove primary filter element (2) from air cleaner housing (4).

 Here is an instruction show you guide on how to replace cooling system water temperature regulator for Caterpillar 72H pipelayer. Preparations: Caterpillar CAT ET 2022A Diagnostic Software CAT 3 Adapter Procedures: Note: If you are only installing a new thermostat,drain the cooling system coolant to a level that is below the thermostat housing. 1. Open the right engine compartment. 2. Loosen the hose clamp and remove the hose from the elbow. Disconnect the hose assembly from the thermostat housing assembly. 3. Remove the bolts from the elbow. Remove the elbow and the thermostat housing assembly. 4. Remove the gaskets, the thermostat, and the seal from the thermostat housing.