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One question I always liked to start with on any problem is "Did this happen fast or has it been getting worse over a long time?" Next, I try to find out what happened since the last time it worked good. Now this far down the road there will be no simple fast answer. Then everyone after that just started throwing parts and money at it hoping they would stumble on to the problem. I agree with workshoprat92, the real problem is a bad or total lack of diagnosis right up front.
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Be it the air end, a hydraulic pump or a valve in either the air or hydraulic system. Or a problem with what ever puts a load on this engine. Wrong assembly of engine, timing or liners/pistons, injectors. Needless to say this is not a typical straight forward problem.Ĭlick to expand.And also there could be two or more different things going on here. They spent an excess of $50,000 before it got to my shop. Running valves and injectors to see where they were at and here we are. The inner cooler was partially stopped up apparently from a leaking oil seal at the turbo (gummed up). The blower mounting gasket was bent over and pinched in one spot, may have been losing boost at that point. Pulled the turbo and there were no problems, practically new. Test ran and it seemed to have a restriction in air flow. They parked it, bought a new rig and 2 years later they bring it to me to fix. Then they spoke to the drill rig manufacture and they sold them on needing a new air end And the problem continued. He sold them on bigger injectors and a new turbo The problem continued. They ran it for about 6 months, carried it to a private shop. They sold them on a rebuild, the problem continued. The only people in this area at that time that would work on the dd was an actual dealership.
#DETROIT DIESEL 8V92 SPECIFICATIONS FULL#
Started loosing about 400 rpm under full load and this was not acceptable for this application. Here is the story I got Ran it for 6 years, it had plenty of power. After building several CAT deck motors, 7.3, 6.0, 6.'s for them, they dropped this rig off that I have never seen. This well drilling outfit has been a very good customer and has kept us very busy. Regarding the drill rig, I came into this situation very late. Moved to TN for semi retirement and started a new shop that hopefully my son will take over soooon. About 4 years ago I sold my diesel business of 20 years in SC. The 1.600 showed up through one of td25's post from a shop manual.