My brother's 410c hasn't been run in a couple of years. It needs new batteries(2?). He said alternator light came on when last run, so I guess it needs to be checked out. If I get it running right he'll let me use it, but I'd like to know what all to service, look at, check, know about, etc. Do we need to do much more than put batteries in it to try it out, or what would you guys do to it before attempting to start it? I'm mechanically ok, but no experience with things like this machine. PLEASE HELP!!!! Thanks