Maintenance method 1, test tire surface 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.
2 loose, universal wheel caster or wheel stuck also can lead to 'smooth'.
Proper maintenance check, especially check bolt tightness, lubricating oil, to replace the damaged rolling performance and rotary motion of the caster wheel can enhance flexibility.
3 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.
4, 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.
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