If, castor was saturated by water, then need to use gasoline or kerosene to clean and drying caster, and then coated with a layer of low viscosity oil or special anti-rust oil on casters. After the anti rust oil will form a layer of oil and film on the surface of the casters, air barrier and caster contact, also play a moisture-proof effect. Evenly coated anti rust oil should be wrapped with plastic film on the caster , parcels must be wrap the caster tightly,Should also pack a thick layer of Kraft paper to prevent moisture and prevent breakage of plastic film after the collision on the plastic film. If there is no Kraft paper can be replaced by other paper material. Casters in contact with acid or alkaline substances, should be timely implementation of above maintenance steps.

When caster need long-distance transport, package must according to the above requirements, and then put into the carton package and transport. It is necessary to ensure the caster packaging setting and sealing. The best plus a layer with a sealing effect of packaging material in the packaging box, like a snake skin of a class that can prevent the carton conveying process. And the rain caused the casters in breakage and damp.