The Overlooked Value of DEF Analysis
What urea concentration reveals about your equipment, your operation, and the problems hiding in plain sight Most maintenance managers know the routine: pull oil samples to check for wear metals and contamination, then sample coolant to protect the cooling system. Fluid analysis is one of the foundations of predictive maintenance. So why does Diesel Exhaust Fluid get a free pass? In many operations, DEF is purchased in bulk, pumped without much thought, and ignored until a warning appears or an engine drops into a derate. At that point, the immediate reaction is often to blame the hardware: replace a sensor, inspect the dosing pump, clear the fault code, and send […]