Tips of maintenance and reconditioning for rollers and back wheels of man and material lifts.
* Monthly Check if all bolts of material lifts rollers and back wheels are firmly connected without loosening .
* Inspect and lubricate the bearing of rollers and back wheels every quarter.
* Check the wear condition and adjust the clearance of the rollers and mast section column tubes every half a year. Adjust the gap between rollers and mast section tubes to be not more than 0.5mm.
* Tighten the locating bolts of the back wheel and the roller according to the fastening method of the high-strength bolts.