mobile-tech
Well-Known Member
we have a D8r was rented out got a call for a strange noise and excessive smoke , found exhaust adapter leaking and machine was indeed smoking a lot while trying to push , seemed to have plenty of power , was close to home so lowboy"d it back to the shop , after running with outer filter and inner filter replaced stile smoky, also noticed it was starting to ,melt the dust ejectors guts and when put under load blow soot out air cleaner , so I replaced exhaust adapter between turbo and other adapter that goes to muffler , muffler and stack new few months back - cat part, I pulled the intake boots off and pulled pipe plug on after cooler and blew it out - didn't notice any carbon in charge piping , I replaced all injection nozzles with cat remans , I pulled fuel ratio valve and replaced diaphragm , springs, o rings and rods , changed the little oil screen in there as well , install new air filters , run machine stile smokes not as bad , stile have black smoke pushing out air cleaner with I load her up , pulled boot from pre-cleaner to air cleaner assembly , dust ejector is melting turned my outer filter sooty in 10 min of run , so I blew filter out and reinstalled and left boot off to pre-cleaner so just sucking air right to filters , noticeable less smoke I can push material til mechine stops or spins tracks and have just a slight haze of smoke , is this acceptable ? we barely run this machine most of the time its rented out , the customer started that he fired it up after siting and it was noisy and smoky , I noticed they also replaced the tubbing from the exhaust to the pre-cleaner dust ejector , so I obviously I have to replace the dust ejector must be allowing hot exhaust gases back into it self