Caterpillar Machine Repair Guide

Here is an instruction show you guide on how to change cooling system coolant for Caterpillar 72H pipelayer. Preparations: CAT ET 2022A Diagnostic Software CAT 3 317-7485 Adapter Procedures: Drain the coolant whenever the coolant is dirty or whenever foaming is observed. The filler cap is located inside the access door in the top, right side of the radiator guard. 1. Slowly loosen the filler cap in order to relieve system pressure. Remove the filler cap.  

Here is an instruction show you guide on how to test braking system for Caterpillar 72H pipelayer. Preparations: Caterpillar CAT ET 2022A Diagnostic Software CAT 3 Adapter Procedures: If the machine moves during the test, reduce the engine speed immediately, and engage the parking brake. If the machine moved while testing the brakes,consult your Caterpillar dealer for brake inspection and repair. Damaged brakes must be repaired before returning the machine to operation.