subject: Himfr Reports Troubleshooting Of Air Compressors And Maintenance Methods [print this page] An air compressor before the examination:
Before the start of air compressors, it is necessary to make some of their checks to rule out hidden faults. Inspection before the start of main power supply voltage of checks and check oil level. 1, power supply, check: fluctuations in supply voltage range of about 5% called for. 2, oil level check: the oil level is generally the subject of oil 1 / 3 to 2 / 3 is appropriate. Lower than the oil standard 1 / 3, should be promptly added through a filter of the same grade lubricating oil, compressor oil 13 # is preferred in winter, summer application of 19 # compressor oil. Temperature above 10 ? with SAE30, 10 ? the following can be used SAE10.
Second, the air compressor exhaust and maintenance and fault reduction methods:
Fault: Air compressor displacement reduction:
1, failure reasons: short of petroleum
Reduce the displacement has a direct relationship with the claims details. Once our production, the air compressor to reduce the fault displacement occurred, not only can not press the roller down, and accompanied by some Knocking sound.
Maintenance Methods: We first check the air silencer, and its cleaning, and then observe the oil level and found that the oil level of less than 1 / 3 of oil standard bit, immediately filling the same brand of oil, then start the power switch, a test drive or a percussion sound. Later, parts of sports bodies crankshaft, connecting rod, piston, cylinder 11 open, it was discovered that the crankshaft had a crack, see fast break, and presumably short of petroleum has been for some time. Because short of petroleum, dry friction occurs moving parts, so that all parts of overloading operation damaged to varying degrees. We damage the moving parts cleaning, grinding, serious change, and then re-install, test machine, Knocking sound disappeared, displacement is also normal. Shows that oil is absolutely indispensable, otherwise no end of trouble. 2, failure reason: Noise filter and air tightness of a bad valve repair method: displacement of the lower air-silencer with filter and the tightness of the valve. Noise filter to the air handling cleansing. On the valve plate, valve cleaning dirt on the air compressor is beneficial to ensure the normal displacement of. Under conventional cleaning every 200 hours should be a filter, every 500 ~ 800 hours should be cleaned once a valve.
3, failure reasons: poor quality lubricants
Maintenance Methods: poor quality oil can cause piston rings to be suck, thus reducing the displacement. Therefore, we should select high-quality lubricating oil. Long-term work, the oil will be contained within the dirt, dust, etc., so we need another filter. In general, every 500 ~ 800 hours should be replaced once the oil, and the first use of the oil filter.
4, failure reason: exhaust temperature of the
Maintenance Methods: exhaust temperature of the piston rings will cause the magnet, resulting in reduced exhaust. As long as the lower temperature, they can solve the problem. Here we note two points: (1) Environmental temperature is not high, usually less than 40 ?. (2) If the valve leakage, high temperature exhaust gas will return to the cylinder. At this time we should carefully check valves, grinding disc or replace the valve, remove leakage phenomenon, it was possible to solve the temperature of the problem.
