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How to Performexhaust Cooler NRS Test for Caterpillar
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).