On June 13 2011 I purchased a weedeater string trimmer model SST25C. i hve now spent over 4 hrs. trying to start the piece of crap. not only me but a few other people 2 of which were going to buy weedeater. Notice I said were going. now how do we go about getting this junk started.any help would be appreciated. we have pulled and pulled it fires but no way will it start