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Crawlers, Dozers, Loaders & Backhoes Discussion Forum

jdemaris - Update 1010 diesel engine timing

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Roger2561

12-04-2005 07:07:29




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jdemaris - About a month back I posted that I had trouble timing the fuel pump to the #1 piston at TDC of the compression stroke. I posted that I followed procedures per instructions in the manual. Well, it appears that whoever owned this beast prior to us must have done either a motor job or clutch job. The manual states that the DC markings on the flywheel should visible through the hole in the bellhousing when #1 piston is TDC on compression stroke (both valves closed). I decided to do something drastic - I pulled the upper and lower turbulance chambers of the #1 piston and found the piston to be at the BOTTOM of the cylinder! I decided to completely ignore the DC markings on the flywheel and brought #1 piston to TDC of compression stroke - the timing marks on the fuel pump now lined up perfectly. After making sure the valve gaps were set, I reassembled everything and fired her up yesterday. It runs smooth and has plenty of power.

I wish when someone would work on something that they assemble per instructions on the manual so people like me don't have to scratch our heads trying to figure out what the hell is going on.

I also want to thank you and everyone for the assistance getting this thing going. Roger

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jdemaris

12-04-2005 14:04:32




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 Re: jdemaris - Update 1010 diesel engine timing in reply to Roger2561, 12-04-2005 07:07:29  
Usually it's not possible to put the flywheel on 180 degrees off. There is supposed to be a dowel pin in the end of the crankshaft that lines up with a hole in the flywheel. So, it seems either someone left the dowel out, or there are two locating holes in the back of the flywheel (instead of one). I've seen several times when new or rebuilt crankshafts were purchased that the dowel was forgotton - perhaps that's the case with your engine. That dowel might be necessary to keep the flywheel bolts from working loose - I don't recall if there is a raised step on the crank end that matches a recess in the flywheel - or just the dowel is what takes the rotational force of the crank against the flywheel. Hopefully, at the least, whoever put it together used high grade bolts and some Loctite along with the lock-plates.

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