1, the outer surface of the machine must be kept clean. 2, the tank must be washed before adding media. Do not allow the existence of contaminants. 3, the new gear pump oil for the first time, as appropriate, should be replaced every 30 hours. After the second oil change can be gradually extended to 500 hours to change oil. Lubricants in other parts of 56 hours after work should be replaced, then gradually extended to 500 hours. 4, long-term disabled pump. Its interior should be anti-rust treatment. External parts of unpainted parts should be painted anti-rust oil. 5, often pay attention to the pump worm, worm deputy axial clearance, the worm gap is 0.04-0.07mm, worm gear O. 05-O. 10mm, if does not conform to this value, can adjust the screw clearance through the worm screw, adjust the worm gear gap with a paper pad. 6, in the ambient temperature below 0 degrees using the working medium is water, antifreeze should be added, it is recommended to use denatured alcohol as antifreeze.
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