How to Measure a Shaft Coupling for Replacement

Measuring a shaft coupling correctly for replacement is a skill that saves significant time and cost. The wrong measurement approach leads to ordering the wrong coupling ¡ª then waiting for a reorder while the machine sits idle. The right approach ¡ª knowing which...

How to Remove a Stuck Coupling Hub from a Shaft

A coupling hub that will not come off a shaft is one of the most frustrating and time-consuming problems in rotating machinery maintenance. What should be a 30-minute coupling replacement turns into a multi-hour or multi-day extraction exercise, delaying pump, motor,...

How to Inspect a Coupling for Wear and When to Replace It

Coupling inspection is one of the most neglected maintenance activities in Australian industrial plant — not because engineers do not know it matters, but because coupling guards make the coupling invisible during normal operation, and the symptom of a deteriorating...

How to Replace a Flexible Coupling Spider Insert

Replacing the spider insert in a flexible flange coupling is one of the most straightforward — and most frequently deferred — maintenance tasks in industrial rotating machinery. The spider is a sacrificial wear component by design: it absorbs misalignment forces and...