1. Incorrect diameter rope.
2. Misalignment of one or more sheaves.
3. Incorrect sheave groove profiles.
4. Ropes running out of sheave grooves.
5. Worn sheave grooves often with sharp edges, typical of brass and aluminum sheaves.
6. Sheave grooves not cleared of broke or size/coating deposits.
7. Sheaves too small in diameter causing excessive rope flexing.
8. Sheaves with seized or partially seized bearings.
9. Obstructions or projections in rope path.
10. Rope path allowing rope to be soaked in size or coating chemicals.
11. Felts rubbing on ropes.
12. Ropes crossed.
13. Incorrect splicing technique and/or short splices.
- Not free moving.
- Insufficient take-up for rope run length, or machine speed.
- OVER TENSIONED.