Power Unit for Automobile Tail Plate FEATURES *-ft. * This hydraulic power unit is made up of high pressure gear pump, AC motor, multi-manifold, hydraulic valve, oil tank, etc. It provide lift, down,open and close function for automobile tail plate, box type combination is convenient for transportation installation. 1.This power unit is S3 working type, can not work continuously, can work repeatedly. 2.Before installation, please be sure the cleanliness of component like tank, tube and fittings, without any impurities. 3.Viscosity of oil should be 15-68CST, should be clean and without impurities. Suggest to use N46 hydraulic oil. If need to work all-weather, must use aviation hydraulic fluid. 4.This power unit is horizontal installation. 5.After first work, oil tank should be checked immediately to see if there’s enough oil. 6.After the first 100 working hour, hydraulic oil should be replaced. After that, the oil should be replaced every 3000 working hours.