Caterpillar Machine Repair Guide

This illustration show you guide on how to replace ARD spark plug for Caterpillar 72H Pipelayer. CAT ET Procedures: Removing the Spark Plug 1. Open the right engine access door.  

This illustration show you guide on how to use jump start cable for Caterpillar 72H Pipelayer. Cat SIS EPC Download Procedures: When the auxiliary start receptacles are not available, use the following procedure. 1. Determine the failure of the engine to start.Reference: Use this procedure if the machine does not have a diagnostic connector.  

This illustration show you guide on how to release brake for Caterpillar 72H Pipelayer. Caterpillar Diagnostic Tool Procedures: 1. Turn bypass valve handle (5) to the closed position.  

This illustration show you guide on how to connect pump for Caterpillar 72H Pipelayer. CAT ET Diagnostic Procedures: 1. Remove the components that were used to plug the pressure hose. The components are 9J-6190 Adapter Union, 04-6683 Nipple, 5P-8018 Adapter Union, 8M-0547 Elbow, and 5P-2909 Plug. The components are indicated by shaded area (A). 2. Connect FT1973 Adapter (1) to the pump pressure hose. The adapter will be downstream from the relief valve. Cat adapter 3 3. Remove the seat and the floorplate from the operator's station. 4. Remove the pressure test fittings from the top of brake valve ports (9). 5. Install one 123-0525 Adapter (7) into each of the brake valve ports. 6. Connect the FT1973 Adapter to the 123-0525 Adapters. 7. Route the pressure hose through the rear, around the side, and through the door of the cab. Caterpillar factory password calculator Connect the pressure hose to the pump. Install the pump temporarily on the platform. 8. Replace the floorplate and the...