Hello hope you can help me ! The following tank was dirty and sometimes he didn’t jump any more ! So hose from the tank finished blowing once in, a few days later he didn’t want to blow off hose again …. Nix ! Hmm… OK Diesel line off look if diesel arrives ! Was not so Dan the 3 nozzles (see picture ) bolted out cleaned finished! He didn’t run for long ! Now this also doesn’t come out of the nozzles no more ! Whose I get a little loose bit out ! When pulling back nothing! Now the price question where is the damn problem? Hope you can help further ! PS pictures I can not upload with the tablet