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Equipment is received and inspected for obvious damage that would make an overhaul impractical from a cost standpoint. If it appears to be re-buildable then it is disassembled and inspected in greater detail.
Air Mac's trained technicians inspect the major components for the cause of failure, unusual wear patterns and identifying problems with an experienced eye. |
Air Mac's trained technicians visually inspect the major components looking for the cause of failure, unusual wear patterns and identifying problems. Critical dimensions such as shaft diameters, bores, bearing fits, seal fits, are checked and recorded.
In many cases a "standard overhaul" quote is issued prior to receiving the equipment. If, after inspection, additional machine work, parts, or repair are needed, customer approval is obtained before proceeding.
Once the overhaul is approved all major components are cleaned removing foreign material. Cast iron and steel components are cleaned in a heated caustic vat to white metal. Nicks and burrs are removed with all appropriate surfaces polished by hand using pneumatic tools. Critical fit surfaces are lightly wet polished then protected. A final cleaning in the solvent tank followed by an compressed air wash is done prior to assembly.
In addition to micrometers, feeler gages, depth mic., dial indicator, torque wrench, etc., Air Mac has a broad array of special tools. These include shaft protectors, pullers, plates, guides, fixtures (timing, tear down, setup, press), push frames, hoisting eyes, seal installers, etc.
Each component is carefully assembled generally using factory genuine parts. All bearings, shims, sleeves, shaft seals, air seals, lock washers, gaskets, O-rings, and locknuts are replaced. Proper assembly torque specifications are followed and all clearances and tolerances are set to factory original specifications. |
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