http://www.rv.net/forum/index.cfm/fuseaction/thread/tid/28516430/srt/pa/pging/1/page/1.cfm The above post deals with a fire in frig area. Anybody got directions on how to do maintain or how ...
Just curious, what contacts are you cleaning with sand paper / emery cloth?
If they're electrical contacts, that is a bad idea - the high abrasion is doing more harm to the contacts than good. Look into a burnishing tool, which is kinda like a knife steel, it rearranges the metal molecules rather than grinding them off.