Pu castor must be installed in the location of the manufacturer to indicate the design. Installation of castor scaffold must have sufficient strength, to qualify for use when the weight bearing. Castor function cannot be changed, also not affected by installation. Turn shaft must always vertical movement. Fixed between the caster must instead of axle on a straight line. How to detect the rotation of the pu castor flexibility to check if 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. Universal wheel loose castor wheels or jammed also can cause & other; Grinding flat spot & throughout; , the appropriate maintenance check, especially check bolt tightness, lubricating oil, to replace the damaged rolling performance and rotary motion of the caster wheel can enhance flexibility. Pu castor manufacturers & # 8203; Rubber tires or slack is likely to lead to serious breakage scroll is not stable, 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. 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. If only use rotating caster wheel, they must be consistent. If the fixed rotation and castor castor, so all casters must be compatible with each other, and subject to manufacturer's recommended. Universal wheel repair method detection on the surface of the tire visual degree of wear and tear. Tyre tread & other; Grinding flat spot & throughout; 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. ( )