Quote:
Originally Posted by Notanlines
The bearings are simply removed by the traditional method, cleaned and re-greased. The zerk makes it very easy to fill the cavity and push the seal out the rear, getting grease on the brakes. If properly done, and tightened there is no reason to add grease for the season.
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The zerks came from the trailer boating world.
Don't know why they were carried over to the RV's
The clean and repack every year is over kill if it was done properly in the first place and quality parts used.