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Thread: Mep-8xx 400Hz to 60Hz conversion

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    Sergeant
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    Default Mep-8xx 400Hz to 60Hz conversion

    Has anybody converted a 400hz gen to a 60Hz. What all would be required...gen head, frequency transducer, Hz gauge, and load meter.

    I picked this unit up not making power but runs. Got it home and making power now but the Hz gauge isnt working. I have 112ac on one side of the transducer but nothing on the other. I did check for continuity from the gauge to the frequency transducer and both wires were good. The unit has new Hz meter, new load meter, and new volt meter. You can tell someone has been inside doing repairs from poor solder work and I resoldered those connections amd feel they are good now.

    Not really concerned about fixing it for a 400Hz configuration. Thought about trying a conversion if i can gather the parts to do it. Just wasnt sure about what all is entailed about doing so.

    Any thoughts or comments as to why i should or shouldn't or advice is appreciated

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    General
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    An easy way is to go thru the respective -24P TM and see which parts are unique to the 60 Hz vs 400 Hz version.
    Simply search the PDF for the respective UOC code.
    Attached Images Attached Images
    MEP-831A Governor Controller Replacements for the SLC100, 2990-01-477-1371, 98-19539.
    https://www.steelsoldiers.com/showth...90#post2233190

    MEP-802A/MEP-803A Remote Start Kits

    https://www.steelsoldiers.com/showth...92#post2233192
    MEP-802A, Two MEP-831A's

    MEP-831A Battery Charger Repair & Repair Kits
    https://www.steelsoldiers.com/showth...83#post2231683

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    Super Moderator Tinstar's Avatar
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    Have you searched the generator forum?
    It’s been discussed before.
    1987 M1008A1 (2)
    1986 M1009
    1995 NF2D FloodLight/Kohler-Kubota Generator Set
    1992 M101A2 trailer (2)
    S-280 Shelter

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    Sergeant
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    Kloppk...to be honest, I'm still trying to figure out how to use these manuals. I have the -24 but i guess i havnt put my nose to the grind stone. I pulled them out yesterday trying to figure out whst was going on with it but really didnt get much guidance from it, so i know I'm not using it as intended. I know it sounds silly but from what i gathered i looked up concern and told me what symptom number to look up and habe me a brief description pf was to do. I didnt see any sections pertaining to specific areas in detail...i just looked...9-6115-642-24...all that i have is diagrams and schematics and that is it. Is there more to this manual. I printed it off from here. I have the omes for the engine and seem complete but no much for the genset itself...


    Tinstar...ya I done a search but didnt read all of the post but everything I read is a hit and miss about it.

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    I'd suggest you download the respective -24P TM for the generator you are wanting to convert.
    The -24P TM is the complete parts list for virtually every single part of the generator not including the engine components.
    For parts that differ between the two 60 & 400 Hz versions such as the Frequency Transducer there will be two part numbers listed as in my example above for the 802A.
    In my example above..
    The PN 19260 transducer is for the 60 Hz verson as it has the UOC code EMH listed with it.
    The PN 19270 transducer is for the 400 Hz version as it has the UOC code ENY listed under it.

    The screen shots in the post above are from the 802A manual to give you and example to follow.
    MEP-831A Governor Controller Replacements for the SLC100, 2990-01-477-1371, 98-19539.
    https://www.steelsoldiers.com/showth...90#post2233190

    MEP-802A/MEP-803A Remote Start Kits

    https://www.steelsoldiers.com/showth...92#post2233192
    MEP-802A, Two MEP-831A's

    MEP-831A Battery Charger Repair & Repair Kits
    https://www.steelsoldiers.com/showth...83#post2231683

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    4 Star General Light in the Dark's Avatar
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    -10 is operators manual (overview of operation)
    -24 is troubleshooting
    -24P is all exploded parts diagrams with respective tech info

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    4 Star General Guyfang's Avatar
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    You have no idea about what you are getting into. It would be better to just find another 60 hertz gen set that needs an engine. Your list of parts to change is way too short. Or, find a control panel Assy, with wire harnesses, main gen and a few other things. You can keep the engine wire harness, but that's about it. This would be something to do if you were snowed in for a few months.

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    dumpsterlandingfromorbit! gimpyrobb's Avatar
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    When I converted an 003, i swapped everything ecept the motor.

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    I didnt think it was all that detailed. Alot more to change than i thought. Well. I guess i need to find a frequency transducer for this unit so it is complete functionally and put it up for sale.

    As for the manuals i thought i had downloaded all of them from off the site here but obviously i missed a few. Gonna put that on the list to double check and make sure i have all.

    Thank you for all the experienced guidance from everyone!!!
    Last edited by Tinstar; 08-20-2019 at 06:08.

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    Quote Originally Posted by 76shovel View Post
    I didnt think it was all that detailed. Alot more to change than i thought. Well. I guess i need to find a frequency transducer for this unit so it is complete functionally and put it up for sale.

    As for the manuals i thought i had downloaded all of them from off the site here but obviously i missed a few. Gonna put that on the list to double check and make sure i have all.

    Besides posting that 400hz here is there any where else i could post it...what do they go for? ...any takers...lol

    Thank you for all the experienced guidance from everyone!!!
    Howdy,

    In our world... It's known as a great parts machine.

    Circle back through MEP-802A MEP-803A Filters and Parts

    2nd post has quick links, 3rd has the manuals listed you need. and Why you do ​NOT want a MEP-813A 10kw 400Hz generator
    Last edited by Daybreak; 08-19-2019 at 21:54.
    ~~Later Mike

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