Insufficient power of road roller, diagnosis and treatment of blue smoke. The engine emits blue smoke at low temperatures or light load and turns into dark gray smoke when the temperature rises, and the power is insufficient.
①The air intake is not smooth, causing the oil in the supercharger to be sucked into the cylinder for combustion.
② There is too much oil in the oil pan, and the oil exceeds the maximum limit.
③ The valve guide is filled with oil.
④The cylinder of the road roller is seriously leaking oil.
⑤ The supercharger rotor shaft is seriously worn, and the oil baffle ring is damaged, so the supercharger cannot reach the rated speed and the reason for the oil leakage.

