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Before you go down the road of replacing the AVR, have you pulled the excitation box (I think A30 in the TM) and opened it? The AVR from the original set has 9 or so garbage diodes. I have worked on these exact units (some of the guys on here have helped) and all that it needed was $6-$7 worth...

In the diagram sent by GUFANG, you should remove the cover plate 53 on the side of the pump. The fuel shut off rack is stuck shut and if the plungers under the injector ports were stuck, then the cam likely damaged them. Do not remove the injection pump, since then you will have to retime the...

Pictures of my work in progress and final. Video:

All fixed - runs great now. I have attached the final wire diagram, design worked as presented previously, I filled it out with more details as I finalized the install. THIS SW-200B DIAGRAM WORKS - I am pretty confident the other one will not work (not trying to disregard someone's hard work...

Photos of the S9 switch at various stages for added documentation and review. (I know how hard it is to read and not see this type of stuff).

Alright, here is what I think will work. Does anyone mind checking this over? Would prefer to avoid blowing this thing sky high. Please let me know what you all think - 1) Requires a terminal block (TB1) to replace the terminal connections on the empty T15 and T16 from the S9 switch. 2) Requires...

Existing OEM wire diagram for S-9 overspeed switch. Notice the empty terminals: T1, T3, T6 If we look at that, along with the wire diagram on the side of the s9 switch; it tells me: Relay #1: needs com., NC, and NO - SW200 is missing the NC terminal posts. Relay #2: needs com., NO - nothing...

Here is where I stand on organizing all the existing switch information. 1) the S9 switch identifies each termination purpose - it does NOT identify the purpose of the internal secondary relay block that exist outside the top of the control board - I am not sure what it is tripping at the...

Hopefully your friend is okay. I have spent these past couple weeks reverse engineering this S9 switch. Lots of data coming asap.

Touching base - I'm still holding the phone! Thank you

Guyfang, I went through the info you sent - need some guidance if you happen to know based on below notes and pictures. 1) I ordered the 200B - it is installed and hooked to the mag pickup. 2) The protctive wrap on the magnetic pickup - not sure if I should ground this or leave it as is...

Mine is the square box, not the round one. My -34 manual goes into extensive detail on how the round router assembly is taken apart but nothing on the square one I have. Seems it is 'fed' by a two wire sensor off the engine. Any one have the blow up of the square assembly? -24 and -34 TM's are...

Picture of the Over Speed box attached. I opened it up, nothing looked worn or bad. Let me know what your thoughts are. Thank you

Update on where we stand: 1) I tore the injection pump down and 3 out of 6 injector plungers were broken inside the pump. Repaired those, primed it and applied 24vdc to the solenoid (bypassed everything) and it started right up. Guessing the smoking was the 3 cylinders hitting but not enough to...

Update: Tore the injector pump down, found the rack was jammed closed, dug through and found that the plungers were broken/stuck (3 out of 6). New plungers coming, expect that will solve the engine starting problem when I bypass everything. Still need DC controls assistance. Thank you PS will...

Guyfang, I started a new posts with more information from my work on her today. Link below, thank you. https://www.steelsoldiers.com/threads/mep-007b-dc-relay-control-issue.219092/

Looking for some help on this one. I have a MEP-007B with the Cat 3306 engine 100kw generator. Has 1000 hrs on it. Genset background: - Has not been running in roughly 11 years. - Was in use when it quit, the guys I got it from had no idea what was wrong with it. - Barn stored after it quit...

Ok, going through the TM electrical diagram A27-TB3 has the pump connections before they go to A5 (behind the main front panel). Does anyone know where they hid A27/TB3? I will start diagnosing A5 later today if I can verify continuity from A5 terminals to the pumps. Still looking for how...

More pictures of the diodes CR27/28 I replaced.

I replaced these diodes, located on a bracket to the left (front) side of the day tank. Per the TM, they are for radio interference; either way mine were broke/corroded. Still no power though. Is this the same bracket you are talking about?