This is a Digital Copy of a  “MUST-HAVE” manual for new and experienced aircraft mechanics. It includes important know how information on spark plugs and oil filter type and designation system. How to inspect spark plugs and identify the defects and conditions, removal, inspection, and installation procedures. How to clean and test spark plugs, how to use the gap setting tools and how to set spark plug gap. How to use a spark plug tester. How to remove inspect an oil filter and conduct an oil filter sludge inspection.
 
This service manual presents recommended service, handling and reconditioning practices to assure satisfactory operation from Champion Aerospace spark plugs and oil filters. "Digital Copy"