Saturday, September 8, 2018

Section: 44
Hours: 3

The IO390 ships with an expansion plug in the prop shaft. Before installing the prop, you must remove the plug. One method to remove the plug is to carefully drill a hole in the plug, expand the hole slightly using a screw driver and then use a slider hammer to pull it out. I found a slider hammer at Harbor freight.
To remove the plug, insert the hooked end of the slider hammer and then slide the weight on the hammer forcefully to the end of its travel. Have some rags on hand to catch the oil that dribbles out. Also, take care to remove any metal filings left behind in the shaft.

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