Down chain check points Special Considerations

1, the inverted  load chain  sprocket plate, pour card, if deformed and distorted chain, not having to use.
2, the manual should're down chain zipper strip just below, straining to be symmetrical flaccid, not straining too much so that the chain thump or snap ring,
3, the author must know parade down chain lifting tonnage, the weight of the hanging objects,  wire rope  should be used with inverted chain, not having overrun use.
4, the hanging objects necessary toggled acute angle, angular should pad is good, there is no school for prospective hand indirect or chain taut rope knot or slipknot.
5, the vertical lifting required when lifting, no quasi-hanging mobile objects, explosive flammable objects such risks.
     If one-sided from the appearance was not able to review the barbs can test tone is being adopted when lifting the way, there is the extended use of the tonnage manually inverted  load chain  and so on.