1. Ensure that combined punching and shearing machine work often in good technical condition.

2. Ensure full of punching and shearing machine working parts. Special to install the exhaust pipe, because has mostly on exhaust silencer, it will reduce a large part of the noise.

3. Prevent parts loose, loose parts will produce vibration.

4. Check combined punching and shearing machine maintenance. In accordance with the provisions, filling qualified lubricating oil and grease, in case the relative motion piece of bad lubrication and produce dry friction or half dry friction, make noise increases.

5. Having good fit clearance of relative motion. The driver must according to the technical requirements for assembly or adjustment.

6. May not arbitrarily change the oil. If oil supply quantity is big, can make the injection can't complete combustion of fuel oil in the cylinder, this waste of both fuel and air pollution, and increase the noise of the tractor.

 

Fuel delivery advance Angle to adjust accurately.Fuel delivery advance Angle adjustment accurate or not, not only directly affect the play of combined punching and shearing machine power, but also affects the size of the combined punching and shearing machine noise. We often meet some combined punching and shearing machine in sound when emissions is particularly large, often accompanied by the sound of "pa, pa", this is because the fuel delivery advance Angle is too large.

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