I. The Reasons for Smooth Oil
1. The engine nose is short of oil and is temporarily suspended (including transportation). Suddenly oil shortage causes stuck, so temporary shutdown equipment should first add sufficient oil to the nose, and then start up.
2. The change or addition of smooth oil is not timely and the supply of oil is insufficient. Or oil road obstruction, leakage, resulting in engine head oil shortage stuck.
3. Too many impurities accumulate carbon and coke. Therefore, it is crucial to choose smooth oil and replace it; it is easier to have such accidents when using inferior smooth oil or overdue use. At this time, the machine head jam disposal method: must be disassembled and inspected, soaked with detergent for five hours can be restored.
2. Rotor Reasons
1. Causing the explosion of the rotor in direct contact. The abrasion of the main bearing results in the increase of the axial and radial channeling of the screw, which will change the clearance between the screw and the screw, between the screw and the main body shell and between the front and rear end faces. The change of clearance is normally allowed during the life of bearing, and the resulting air compressor gas production attenuation and transmission motor load increase are also normally allowed.
2. Bearing aging, serious wear, detailed detection of bearing wear degree can be in the bearing without removal, pull the needle or ball, if you can easily dial to clarify the need for change; with the passage of the running time of the air compressor. Serious outcomes may occur. But when the bearing wear and the main engine clearance exceed the allowable limit. A scrap of iron as thick as one millimeter stuck when it went in. In particular, foreign bodies fell into the jam.
3. Friction will occur between the internal screw and the front and rear end surfaces of the main engine, and between the screw and the main engine shell. First of all, the load of the motor increases sharply, the most serious result is screw locking and even the main engine scrap, if the motor maintenance response is not flexible or failure may cause motor burning.
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