Disassembly1Loosen the tire nuts, jack up the wheel, and lift the wheel to be removed off the ground;2Remove the tire guard and wheel;13Use three M12x1.5 bolts to push out the brake drum;24Remove the drain plug and fill plug on the hub reduction gear, and drain the gear oil;35Remove the end cover fixing bolts and take off the end cover;46Remove the snap ring, take out the adjusting shim and thrust washer;57Remove the snap ring from the outer half shaft, take out the spacer, and remove the sun gear;68Remove the hub reduction gear fixing bolts, use three fixing bolts to evenly push out the planetary carrier - reduction gear cover from the removal holes, and take out the thrust slider from inside the planetary carrier;79Remove the locking and adjusting castle nut, and take off the ring gear;8Installation1Install the ring gear assembly onto the steering knuckle;2Use a special socket to tighten the inner hub nut to fully seat the hub, then back off the nut 1/4-1/2 turn, install the lock tab and outer nut, and tighten;13After passing inspection, fold up the lock tab to lock the inner and outer nuts;24Place the thrust slider inside the planetary carrier, then install the planetary carrier onto the hub;35Use a torque wrench to tighten the frame and hub joint bolts to the specified torque;6Install the sun gear sleeve onto the outer half shaft;47Install the spacer and snap ring onto the outer half shaft;8Install the thrust washer, adjusting shim, and snap ring into the corresponding slots in the frame;9Install the dial indicator on the frame, press the indicator probe against the thrust washer, and swing the hub left and right to check the axial clearance of the sun gear;10Apply a thin layer of sealing compound FN-303 on the end cover joint surface, place the gasket, install on the frame, and tighten bolts to the specified torque;11Screw in and tighten the drain plug, inject 1.5L of clean No.18 hypoid gear oil through the fill hole, and screw in the fill plug;问题1:轮毂内外螺母安装技术条件？A内螺母拧紧力矩不小于300N.m,外螺母拧紧力矩不小于500-550N.m,轮毂轴向间隙为0.1-0.3mmB内螺母拧紧力矩不小于200N.m,外螺母拧紧力矩不小于400-450N.m,轮毂轴向间隙为0.2-0.5mmC内螺母拧紧力矩不小于250N.m,外螺母拧紧力矩不小于450-500N.m,轮毂轴向间隙为0.1-0.2mmD内螺母拧紧力矩不小于300N.m,外螺母拧紧力矩不小于400-450N.m,轮毂轴向间隙为0.2-0.4mmA问题2:行星框架与轮毂的结合螺栓安装技术条件？A拧紧力矩50-70N.mB拧紧力矩70-90N.mC拧紧力矩60-80N.mD拧紧力矩90-110N.mB问题3:太阳轮安装技术条件？A轴向、端面间隙0.1-0.5mmB轴向、端面间隙0.1-0.3mmC轴向、端面间隙0.2-0.4mmB