Looking for help with my 304C CR. Serial number FPK03541. The machine will randomly go completely dead. Then it will be fine for a month or so after a jump. I replaced the alternator and belt about a month and a half ago, replaced the battery with a CAT battery in the fall. Still having issues with it going completely dead. Today after jumping it to try and get a project done, the thumb would not work and the machine would not turn off when the key was turned off and removed. Any suggestions on where to begin? Thanks in advance.