Abrasion
| Application | Simple transmission chain drive |
|---|---|
| Failure mode | Rubbing wear on the face of the side plates, the end of the side plates and the pin end. |
| Diagnosis | The chain has been rubbing against some fixed point on the circuit. From the wear pattern it seems likely that the chain has worn a groove in the fixture, probably initiated by the harder pin ends. |
| Solution | Realign the chain drive before the damage to the chain becomes too serious and the chain has to be scrapped. |