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Champion Ct-482 Spark Plug Erosion Gauge

Champion Ct-482 Spark Plug Erosion Gauge

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Part numbers : RX1-12-00791 , CT482 , 12-00791
Unit of Measure: EA

3.45 EUR / EA 3.45 EUR 3.45 € excl. VAT

3.45 EUR / EA excl. VAT

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The Champion Aerospace CT-482 Spark Plug Erosion Gauge is a maintenance inspection tool for assessing electrode erosion on aviation spark plugs.

Designed to provide a straightforward indication of spark plug wear, the gauge is used after the plug has been re-gapped in accordance with the applicable maintenance data. If the electrode assembly passes through the gauge’s chamfered opening, the plug has exceeded the gauge’s recommended wear limit.

  • Manufacturer: Champion Aerospace
  • Manufacturer part number: CT-482
  • Product type: Spark plug erosion gauge
  • Unit of supply: Each

Champion states that the CT-482 is calibrated to reject spark plugs once electrode erosion has reached at least one-half of the original electrode thickness. Use in accordance with current manufacturer instructions and approved maintenance data.

Reference documentation: Champion Aerospace Spark Plug & Oil Filter Service Manual (AV6-R).

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Overview

Champion CT-482 spark plug erosion gauge provides an easy, accurate method of determining whether your plugs have reached their maximum wear limit. Simply regap the used plug to .016 nominal, then attempt to insert electrode assembly through the chamfered hole in the gauge, as shown. Penetration of the hole by the electrode assembly indicates plug has exceeded its recommended wear limits and should be replaced.

The CT-482 is calibrated to reject plugs after their electrodes have eroded to at least 1/2 their original thickness. Although aviation spark plugs will continue to fire past this wear point, the rate of electrode erosion will increase as a result of non-parallel gaps and reduced sparking area. This leads to intermittent misfire, increased ignition system wear, and possibly costly unscheduled maintenance.



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