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Hi Blade, When I first came across your post with the video of the MEP-003A gear failure behind the blower fan I downloaded it. I just re-watched it because I had a very mysterious failure. In June 2021 the gear on the oil pump on my MEP-002A sheared off. The only thing that got damaged was...

Excellent video and very good explanation and details. I was the one who started this thread when my 002A oil pump failed in June. It was not the roll pin in my case. I was never able to determine what caused my failure. The shaft on my oil pump gear sheared off but there was no damage to...

I finally had time to open the Oil filter that I had put on the machine after an oil change 1.25 hours before the oil pump broke. It was totally clean. No metal or any foreign debris of any kind that I could find. I also took apart the old oil pump. There was no internal damage or dings or...

There was a small amount of metallic sludge in the oil pan and some super fine shavings but no "pieces" of metal. The oil path is straight out of the oil pan through the oil cup which has a fine mesh screen on it and then directly to the pump and from the pump directly to the oil filter...

Here are some photos. Turns out that after the gear sheared it was apparently still contacting the crank gear and spinning and banging around. The crank gear had no signs of any damage at all. The probably make the crank gear out of a much more durable harder steel. There was a hole in the...

Thanks again for all the help! The new pump should be here by the end of the week. I have the repair partially closed up to keep it clean. Will take photos when new pump is here and installing it. Will post them at end of week.

Thank you for the tips. Do you know if there is anyplace where I could cause damage by doing compressed air Problem solved!!!! I tried the compressed air and could not find any blockages. I was not looking forward to either doing the oil pump or the by-pass valve because of the major...

In this last post when I said I cranked it 15 seconds to give the oil filter a chance to fill up. The engine was actually running 15 seconds, not just cranking with the starter. The start switch by-passes both the temp cut-off and oil pressure switches so it can start and run and it will stop...

I decide to install a brand new oil filter just to be sure. It started and I held the start switch on so it would crank long enough to fill the new filter and build up pressure. Nothing on the pressure gauge and it died immediately when I released the start switch. I wanted to be sure I...

Thanks, I read the procedure. Sounds much easier than replacing the Oil Pump. Do you think that this could cause 100% stop on oil flow? It was also very sudden. I happened to be monitoring the oil pressure gauge and it was stable and constant at just a little below 40 PSI for 1.25 hours of...

ARMY TM 9-6115-584-24P Parts Manual. Listed under: KIT, GASKET. ENGINE Part #168-0135 (Page 178) There are 3 listings: GASKET. OIL PUMP..003 IN THICK GASKET. OIL PUMP..005 IN THICK GASKET. OIL PUMP..009 IN THICK They all 3 refer to Item #9 in Fig #50 There is not a separate part number for...

There is something different about the oil change. 8 years ago I installed a spin oil filter adapter. The filter I have been using the last 8 years is a Napa FIL1085 (It is a full flow filter as the TM specifies for the MEP-002A). When I did this oil change, I didn't have a FIL1085 available...

Thanks Ray, I jumped the temp switch and no start. I jumped the oil switch and it started and ran. Nothing on the Oil Pressure gauge (No bouncing or anything, just zero). I stopped it immediately in case it is the oil pump and no oil circulating. I removed the oil pressure cut-off switch...

Sorry I accidentally posted this 3 different times. That was unintentional. MEP-002A I did and oil change. The generator ran normally for 1.25 hours and then suddenly died. While it was running I checked the oil pressure gauge several times. It was was registering just under 60 PSI consistently...