Answer: (1) The oil pipe should not have sharp bends, twists or flattening.
(2) The transmission mechanism connecting the crankshaft and the oil pump or the crankshaft and the oil injector should operate flexibly.
(3) After assembly, the pipelines, valves, filters and coolers of the lubrication system should be tested for tightness according to the pressure specified in the equipment technical documents. If there is no regulation, they should be tested at the rated pressure and there should be no leakage.
(4) The oil pipe should be exhausted and drained first, and then connected to the oil supply and lubrication point.