I replaced the stock CH751 locks with cam locks as soon as we got the ACE. I haven't had problems with the cam locks getting so dirty that they won't operate. However I clean them out with a spray lock cleaner a couple of times a year.
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Rick
2017 Thor ACE 30.1
2017 Jeep Cherokee Trailhawk
Roadmaster Falcon All Terrain
RVi Brake 3
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