This instruction show you guide on how to performexhaust cooler NRS test for Caterpillar 325F excavator C4.4 engine. Procedures: 1.Follow steps 1a to 1g to test the coolant side of the exhaust gas cooler (NRS). a.Plug the coolant inlet (2) of the exhaust gas cooler (NRS) (3) using Tooling (B).
Communication with Caterpillar ECM over J1939. When the machine control system is first powered up, and the engine is not running, the System Log logs several J1939 events related to a couple of PGNs. Has anyone else seen this before? I don’t believe it is the PGN timeout, as there