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Good idea! We have a good used stove in the basement. Which also reminded me I have an electric furnace in the corner of the shop which isn't wired and needs the dust blown out of it! That's what I needed, a kick in the pants to make me think!

Update on the -003A. I found a CVT1 transformer close to home. I considered just replacing the whole AC box but everything else tested ok. After replacing the transformer it regulates perfectly. I'm trying to come up with a good (read cheap) way to load test the unit. Any suggestions?

I think I found the voltage regulation problem or at least one more problem... I checked the control windings on the CVT1 transformer is open. Anyone have one in their back pocket? I will start searching the net. Tomorrow I will start calling the suppliers you folks have recommended in the past.

Just to give everyone an update on my progress. I replaced the Q3 2N3584 transistor which cross references to NTE384. NTE384 has some higher max current ratings and will dissipate 45w compared to 35w of the 2N3584. Anyway, this didn't solve my regulation issue. Same problem, at 60hz it puts...

I tried the JB Weld idea. I smeared a thin layer on both sides and put into a plastic bag. I let it cure between two flat steel plates. Then peeled the plastic off and touched up both sides with a flat file. Put it all together and seems to be working. Time will tell. The engine runs like...

I got the injectors back yesterday all cleaned up and looking good but I did screw up. I took one of the flat gasket/washers alone to see if they had any. I left it with the shop. Turns out they couldn't find them but they were nice enough to bead blast it for me! That gasket is some kind of...

I'll look for a way to install a valve stem into my jig. Thanks Jim.

I'm finally catching on, I hope. With my gauge check valve is at the connector and the relief valve by the gauge. I was thinking about it today and first thought the location of the check valve didn't matter. The cylinder has to compress the air on both sides, which is true on the first...

Jim, Very good point, I thought about it briefly but never really considered it until your post. I bought the gauge assembly which does have the check valve at the gauge. My test fitting is made from 1/8" pipe fittings so not a lot of volume but with the hose, air fittings etc it all adds up. I...

$65 includes the rebuild. The only knob I could find is the reconnection switch knob. Are they the same? Here are some pictures of my MEP and the compression test jig. The pictures were taken in my shop. Should have taken them with better lighting when it was outside. The jig is build with...

Jerry / All, I've been working on it for the last couple of days and here is what I found. I did find in the TM, #1 cylinder is adjacent to the blower end. I built a glow plug compression test jig; the cylinders were low 290-320 on the dry test. TM says 375psi is minimum but on a warm engine...

I pulled the cooling shields off today and removed the muffler. To my disappointment, no restrictions. I found the exhaust ports of the two cylinders one wet with fuel and the other dry carbon soot. I started making a compression test adaptor from one of the old glow plugs. Compression test...

Grega, You could be right on the money! You comment also hit me square between the eyes. It has been sitting a long time and of course I cleaned a fair number of mud dauber nets out of lots of places but I didn't check the exhaust system. Could simply be an exhaust restriction. Reminds me...

Hope everyone is having a good Christmas season. I've had a little setback on my MEP-003A project. I had the engine running and found the VR issue but never ran it very long. I was waiting on glow plugs which I finally got and installed today. (let me know if anyone needs any, I had to buy...

No... I don't remember the actual voltage drop but I will order the transistor and replace it. After working on the board do you normally follow the recalibration process?

Thanks for your comments, I removed the Q3 from the circuit and tested with a Fluke in the diode test connection. Emitter to base, base to collector junctions tested good (flow in one direction not the other) and I didn't find any conductivity from emitter to collector. I know this only...

First of all, I thank you all on this forum for all the information I have learned about the MEP units. This is my first post but I have devoured tons of information and you have answered almost all of my questions. I bought the MEP at a farm auction which had been sitting in a barn for a number...