I think that you have put the screws in the wrong way. See page 8 of the Assembly Manual, particularly the bold type sentences. 73, Ken K3iU
On 3/27/2012 2:42 PM, Dave Anderson, K4SV wrote: > Hi All, > > Still assembling my KPA-500 SN 436 > > I am at the stage of installing the transformer and actually have installed > the transformer. Upon close inspection it appears that the front left (as > viewed from the front) foot held to the chassis bottom using pan head screws > may cause damage to the transformers windings. The head of the screw closest > to the transformer, is directly under the transformer and when the > transformer is torqued down it rides on the screw. The thin clear plastic > wrap is the only thing keeping the wire from contacting the screw head. Yes > the transformer is up against the bumpers equally and installed per the > manual rev d. > > My plan was to take this amp on DXpeditions but it appears it would not last > one trip before the winding breaks through and touches the screw. > > Would anyone know if there is some preventative measures to keep the > transformer safe? It would be a shame to find the transformer/amp damage > only to have it explode as you plug it in upon arrival to some rare DX place. > > At the very least these two screws should be flat head screws and have > countersunk holes. > > Suggestions? > > Thanks in advance, > > Dave Anderson, K4SV > Tryon, NC > 828 777-5088 > > www.K4SV.com > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
