(pallet jack)Make routine inspection every day, eliminate abnormal phenomena in time, and do not use faulty vehicles to prolong service life. (pallet jack)If there is a fault, ask a professional to eliminate the fault. At the same time, if the parts are to be replaced, the parts shall be provided by the manufacturer.(pallet jack) Add motor oil to each rotating joint every three months, pay special attention to the wheels and shafts not to be entangled by sundries, and keep all wheels rotating easily to meet the safety requirements.