Lawnmower carburetor oil spill how the matter
Oil seal aging, breaking oil leakage should be replaced. In addition, but also check the engine lubrication system for the existence of leakage of various parts of the phenomenon.
Crankshaft rear end of the oil seal rupture damage, or after the main bearing cover oil return hole is too small, back to oil blocked, will cause the crankshaft rear oil spill. Also note that the camshaft rear oil seal is leaking
Pay special attention to the oil seal at the front and rear ends of the crankshaft. Crankshaft front seal seal damage, aging or crankshaft pulley and oil seal contact surface wear, will cause the front of the crankshaft oil spill.
Even before and after the cylinder head cover, before and after the valve tappet room, oil filter, oil pan liner and other organic oil exudation, but can not find the obvious oil spill, should check the crankcase ventilation device, clean crankshaft Box ventilation pipe, in particular, check whether the PCV valve due to carbon deposition and adhesive stuck caused by poor work. If the crankcase ventilation is likely to lead to the crankcase pressure is increased, resulting in multiple oil leakage phenomenon.
