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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
731with F2L511 Black smoke problems
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<blockquote data-quote="lecuyerb" data-source="post: 4215" data-attributes="member: 629"><p>Hi, I'm fairly new to diesels but have worked on easy stuff for years. I have an older Bobcat skidsteer with a 2 cyl air cooled Deutz. Here is the story. It had used down the diesel in the tank to the lowest point since I owned the machine ~10 years. I filled it up and started it with my normal procedure of about %50 throttle open, then start and ran it normally. At the time it had a trencher attached to it. After running it at %50 for 5 minutes I disconnected the trencher and went to move and it died from load. After that and ever since it takes %100 percent throttle and lots of cranking to start. Then when it starts it smokes like a train pure black and makes all kinds of different noises mostly bad sounding. It is like it is under a serous load? What have I tried: Well I figured I got muck in the fuel system so I replaced the inline and can filter, bled the system and ran it again - same black smoke. I thought maybe a hydraulic valve was stuck and the hydraulic system was causing a load so I re attached the trencher and operated it and all the tilt/arms everything worked. So I am thinking it is an engine issue? Is it possible I clogged an injector or something? How can I tell if both cylinders are working? My thought is one is not and that is the load? I did also check the intake/filter for clogs and it looked real clean. I really like this unit but the engine is tired and uses oil - I would just in frame it but I think this problem would still be there? Any help would be greatly appreciated? Thanks, Brian Elk Grove, CA</p></blockquote><p></p>
[QUOTE="lecuyerb, post: 4215, member: 629"] Hi, I'm fairly new to diesels but have worked on easy stuff for years. I have an older Bobcat skidsteer with a 2 cyl air cooled Deutz. Here is the story. It had used down the diesel in the tank to the lowest point since I owned the machine ~10 years. I filled it up and started it with my normal procedure of about %50 throttle open, then start and ran it normally. At the time it had a trencher attached to it. After running it at %50 for 5 minutes I disconnected the trencher and went to move and it died from load. After that and ever since it takes %100 percent throttle and lots of cranking to start. Then when it starts it smokes like a train pure black and makes all kinds of different noises mostly bad sounding. It is like it is under a serous load? What have I tried: Well I figured I got muck in the fuel system so I replaced the inline and can filter, bled the system and ran it again - same black smoke. I thought maybe a hydraulic valve was stuck and the hydraulic system was causing a load so I re attached the trencher and operated it and all the tilt/arms everything worked. So I am thinking it is an engine issue? Is it possible I clogged an injector or something? How can I tell if both cylinders are working? My thought is one is not and that is the load? I did also check the intake/filter for clogs and it looked real clean. I really like this unit but the engine is tired and uses oil - I would just in frame it but I think this problem would still be there? Any help would be greatly appreciated? Thanks, Brian Elk Grove, CA [/QUOTE]
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731with F2L511 Black smoke problems
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