Have you tried this:
http://www3.sears.com/imaging/ImagePageJava.shtml?productTypeID=1503200&brandID=0247&modelDesc=SEARS%20CHAIN%20SAW%203.4&modelNumber=358354810&documentID=00009514&documentTypeID=PLDM&documentClassCode=PM&titleType=16%20INCH/CARBURETOR%20ASSEMBLY&titleID=00003&
mathew Brown, September 2007