CILT

CILT stands for Clean, Inspect, Lubricate, Tighten — the four basic equipment-care tasks machine operators perform on their own equipment, usually daily or per shift, under Total Productive Maintenance. It is the routine work of the autonomous-maintenance pillar: the operator maintains the machine’s basic condition, freeing the maintenance department for work that actually needs a technician.

Some plants write it CLIT, CLAIR, or add a fifth letter; the four tasks are the same.

Each task catches something the others do not: cleaning is inspection by touch and removes the cover that hides developing faults; inspecting is the deliberate look-listen-smell pass against a known standard; lubricating catches whether the lubrication system itself can even be reached; tightening catches the one class of problem with no other detection route — a bolt at 60% of its torque looks exactly like a bolt at 100%.

A CILT step that finds something wrong produces an abnormality tag, recording what was found and exactly where. If that handoff does not exist, the route degrades into cleaning within a month, because operators learn that finding things changes nothing.

How MYREX runs CILT routes: a CILT route in MYREX is a guided procedure the operator works through step by step, with a high-definition 3D capture of the actual machine alongside it. When a route turns something up, the operator goes to that spot on the capture and raises the abnormality there, and it carries the location with it into the work queue.

Sources and notes

Total Productive Maintenance (TPM) practice, autonomous-maintenance pillar. Operational vocabulary, not a regulatory citation.

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