Check the oil level, check the air filter element and coolant level, check the hose and all pipe joints for leakage, check that the consumable parts have reached the replacement cycle and must be stopped for replacement, check that the exhaust temperature of the main engine reaches or approaches 98 ℃, clean the oil cooler and check the differential pressure of the separator, When it reaches more than 0.6 bar (limit 1bar) or the differential pressure begins to decline, stop the machine and replace the separation core.
Check the cooler, clean it if necessary, check the connection of all wires and fasten it, check the contact of AC contactor, clean the dust on the surface of motor suction outlet and shell, clean the oil return filter, and check whether the setting and operation of air compressor are consistent.
Clean the main motor and fan motor, replace the oil filter element, clean the cooler, check the small pressure valve and safety valve, and check the sensor.
