Castor manufacturers wanxianglun introduction to universal wheel repair methods in the process of using, may place a mesa smooth, flat, bolt, nut lax wait for a phenomenon, so in the use of universal wheel, also want to on a regular basis to test the universal wheel, check if there is a problem, change in time if you have any questions. 1 or lax serious breakage, rubber tire rolling are likely to lead to instability, gas leakage, load is unusual, and floor damage and so on, timely replacement of damaged tires and bearing can reduce downtime due to damage of castor cost brought by the loss. 2 on the surface of the test tire visual degree of wear and tear. Tyre tread mill 'flat spot' may suggest that the accumulation of foreign body, such as thread the wire clutter may be winding wheel, remove the wheel bolts and nuts, clear clutter. Check whether the wheel bearing damaged, if there is no damage to the parts can be reassembled continue to use, if often meet the wheels is sundry winding phenomenon Suggestions can avoid assembly anti-wind cover. 3, check after repair wheels, determine whether the bolt and nut tightening, as far as possible at all to use the locking bolt washer or locknut. If is loose, tighten the immediately. If the inside of the bracket with the loose wheel will be to the rotation of the wheels was damaged or not. 4 loose, universal wheel caster or wheel stuck also can cause 'smooth', the appropriate maintenance inspection, especially check bolt tightness, lubricating oil, to replace the damaged rolling performance and rotary motion of the caster wheel can enhance flexibility. Often check universal wheel caster wheel structure and tightness, and regularly in the side or on both ends of the rotating wheels castor, check the following: 1, the welding point whether cracks or welded plate 2, loosening of nuts and bolts have 3, check the equipment structure distortion caused by overload or violent collision, the weight is not evenly Shared by a one or two universal wheel casters will lead to universal wheel caster wheel deformation, wheel can turn. 4, if it is match the universal wheel casters inserted rod, to ensure that equipment installation hole is not bent, and inserted link closely linked. 5, use locknut or check washer to install castor 6, confirm that expansion rubber lining installation location tighten in place