allis HD6 bulldozer

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allis HD6 bulldozer

dave blakey	Hi HD6 been sitting 2 years, was runnig ok before sitting. very hard to start when it starts no power won't rev then dies ? changed both filters bled system but still same. can anyone help
hector gemme	Did you try to removed the pipe from the air filter and with haft trottle if he is not running faster just shout some starting heater but not to much.
dave hunter	Have you checked the exhaust, I had a mouse nest in my d7g and it would not run
mike holmes	check the fuel pressure. thebook says 5 to 15 is good but I had a similiar problem with just 5psi. it would start with ether and barely idle no power found out it was a check valve on the fuel return side of the hydraulic head of the injection pump (weak spring) replaced it. now holds 15 psi runs great. make sure the air filter is changed or is clean

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