MAINTENANCE OF AIR COMPRESSORS

Air compressors are a common piece of equipment found in most pumping plants and maintenance shops.There are a number of different types of compressors available,but the two most common types which are the reciprocating and the rotary screw compressors. RECIPROCATING COMPRESSOR. A reciprocating compressor compresses air in a cylinder,against a cylinder head,by a reciprocating piston. MAINTENANCE SCHEDULING LUBRICATION WEEKLY- Check that oil or grease cups are full and that crank case oil is at proper level.Replace or add the correct lubricant to bring to proper levels in crankcase or oil reservoir. ANNUAL- Clean oil or grease cups and piping.Check condition of lubricant and change if required. PACKING GLAND. WEEKLY- Check for excessive leakage and scoring on piston rod.Adjust packing as necessary. ANNUAL- Replace packing as necessary. CYLINDER Not scheduled- Check cylinder walls for wear and scoring. PISTON Not scheduled-Check piston for wear. Check clearance with micrometer.Examine rings for tightness and fits. CONNECTING ROD Not scheduled- Check for distortion or bending.Check bearing bolts and nuts for damage and replace as required.