1. Check whether the guide pulley of scraper winch is fixed and reliable, the loose phenomenon and unsafe factors.
2. Check for obstructions in the lanes and clear large blocks.
3. Check whether the amount of lubricant is sufficient. If it is insufficient, then supplement it, and tighten the oil hole cover bolts.
4.Check the tightening of the connecting bolts at various locations, and tighten them if loose.
5.Check the degree of wear of the brake band, steel rope, guide roller, dents, etc. Replace them in time.
6.Check the protective cover and bezel of the scraper winch.