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Old 09-13-2012, 11:56 PM   #11
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Check the coolant for exhaust gas leakage, use a dial bore indicator and mic the cylinder walls, if you are going really deep into it check the valve spring compression specs.

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Old 09-14-2012, 12:11 AM   #12
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Quote:
Originally Posted by Mosin View Post
I am writing a report, where I have to compare 2 used diesel engines (large, locomotive diesel engines) and decide on a purchase.

I need to physically inspect the diesel engines and compare them, and write a report.

I have inspected these engines, and gone over them, but to ensure that I have not forgotten anything, I am asking people here what I should look for when inspecting.

I've checked

oil
valve lash
air filters
fuel filters
overall condition of body
coolant levels and condition.
journal bearings
rings
flywheels, etc...

Feel free to chime in and help.

Thank you.
fuel lines, radiator (hoses, evaporator fins, fan, belt(s), water pump(s)), all wiring harnesses for cracks and rub wear. head gasket leaks, exhaust system, exhaust leaks, and possibly rear seal leaks
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Old 09-14-2012, 01:35 AM   #13
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When you listed "oil", does that extend to lab analysis of oil? Records of analysis that has ALREADY been conducted. What ends up IN the oil tells a lot about what is going on IN the engine.

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Old 09-14-2012, 03:41 PM   #14
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I would enforce USEBOTHHANDS mention of seals. After ten years or so all the rubber/neoprene starts to crack. Even if they don't leak they are still a failure waiting to happen. This can be critical with turbo oil return lines and other places where hot oil flows.
as you know

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