Wear is not covered; breakage can be. What draws the line is not the part itself but the marks the failure leaves: in wear the surface thins gradually, in breakage the body or fork separates suddenly, and the fracture surface often shows the cause. So do not discard the part.
| Observation | Likely cause |
|---|---|
| Across most of the fleet at once | Material or batch |
| On one container, suddenly | Impact or overload |
| On units working one route | Floor conditions |
| New batch, early failure | Warrants investigation |
For Isotec TBX, the wheeled 410-795 litre models carry 500 kg and the pallet-based 900-1500 litre models 700 kg (GEBHARDT). The load on the day of failure is compared with that limit; without load records both sides proceed on assumptions.
In a sale between traders, a defect that is obvious at delivery must be reported within two days; otherwise the goods are inspected and the seller notified within eight days of delivery (Turkish Commercial Code Article 23). A defect that inspection could not reveal is reported as soon as it is found (Code of Obligations Article 223), and defect claims expire two years after delivery (Article 231).
