Air compressors require regular maintenance, including checking and replacing oil, air filters, and other components, as well as emptying the tank of condensation daily. Understanding how the machine works helps determine the frequency of maintenance tasks. Proper use and cleaning are also important to reduce wear and damage to parts.
An air compressor is a common and convenient tool in an automotive or woodworking shop. As with any machine, an air compressor requires basic maintenance for years of trouble-free, efficient use. Air compressor maintenance is similar to car engine maintenance. The oil level, air filter and other compressor components should be checked and replaced regularly for maximum performance. The tank must be emptied of condensation daily.
The machine works by sucking in air at normal pressure, compressing the air with a motor driven by pistons or shafts and storing the compressed air in a tank. Air is released with great force in small bursts, powering tools or rapidly filling tires with air. The internal parts do not need maintenance unless the compressor is broken. Understanding how the machine works helps realize the need and frequency of air compressor maintenance tasks. For example, if the intake is often sooty or dusty, the air filter clogs more quickly and therefore needs to be replaced more often.
Most manufacturers recommend emptying the compressor tank daily. As the machine draws in air, it also absorbs moisture from the air. Moisture accumulates in the tank and forms condensation. Condensate buildup can corrode the tank, causing all sorts of problems and eventual machine failure. Most compressors have a small cap at the base of the tank that can be easily removed to drain the water.
The oil level should be checked daily with regular use or before and after each operation with infrequent use. The oil lubricates the gears, without which the pistons and moving parts of the engine would bind and overheat. The oil tank should only be filled with oil specifically recommended for the particular brand of air compressor. Also, the oil tank should be inspected daily for any leaks.
The oil and air filter should be changed at least once a year or every 200-500 hours of operation. Air compressor service kits are available at most auto shops. Some types of compressors use a reusable air filter. The filter can be rinsed thoroughly, but should not be reinserted into the compressor until the filter is completely dry.
If your air compressor uses a belt, it should be inspected periodically for tears, rips, or cracks. The belt must be replaced when it becomes dry or brittle, or when it shows small cracks. To prolong the life of the belt, the air compressor should be stored in a clean and dry indoor environment and away from chemicals.
Another important part of maintaining your air compressor includes proper use and cleaning. Correct use of the machine helps reduce wear and damage to its parts. To avoid damaging the motor, plug the compressor directly into an electrical outlet or an approved extension cord of adequate capacity. An underrated extension cord cannot provide enough electrical current to power the compressor motor, and the motor may overheat or burn out. The machine must be cleaned regularly of dirt, soot and grease.
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