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  1. Guyfang

    MEP 803a Won't crank.....

    IFLY2, There is no other wire diagrams/schematics then in the TM's. The above listed info was found in the TM 9-6115-642-24. There is also a colored schematic uploaded in the manuals section for the 802 and 803 gen sets. They are basicly the same.
  2. Guyfang

    MEP 803a Won't crank.....

    This manual is for the MEP-003A, NOT the MEP-803A. Just what do you want?
  3. Guyfang

    MEP 803a Won't crank.....

    Go to FO, (fold out) -2, Wiring Diagram, Page FP-3/4 Blank. Look for K-2. On the X-1 termianal is two wires. Wire number 11C, it goes to the S-10, dead crank switch Wire number 114B, it goes to P6 Canon plug, pin-20 On the X-2 termainal is one...
  4. Guyfang

    MEP 803a Won't crank.....

    All the manuals you need are in the manuals section. If you cant find them, let us know.
  5. Guyfang

    MEP 803a Won't crank.....

    1. The TM's for your gen set are in the manuals section of this forum. Should be listed under: Everything you need to work on the MEP-802 and 803 gen set. Or something similar. 2. To test the K-2, you could read the testing procedure for testing the relay, or, take a wire from a known 24 volt...
  6. Guyfang

    MEP 803a Won't crank.....

    Also take notice that K-16 is not the same as the other 5 relays next to it. K-16 should be on the left side of the control panel. the other relays look the same as K-16, but are not. K-16 prevents K-2 from being energised, when the set is producing AC voltage. So if K-16 is bad, and "thinks" it...
  7. Guyfang

    MEP 803a Won't crank.....

    Oh, and I have seen way too many times the K-16 loose or not inserted into the socket right!
  8. Guyfang

    MEP 803a Won't crank.....

    The big one. Here is the procedure to test the starter disconnect switch, K-16 TESTING 1. Shutdown generator set. 2. Release control panel by turning two fasteners and lower control panel slowly. 3. Set multimeter for VDC and connect positive lead of multimeter to terminal 1 of crank...
  9. Guyfang

    MEP 803a Won't crank.....

    Also check that K-16, the crank disconnect relay is in its socket right. If it is, see if it's working right.
  10. Guyfang

    MEP 803a Won't crank.....

    Each wire has a number. You can trace it to the canon plug, and then from the plug to the next terminis.
  11. Guyfang

    MEP 803a Won't crank.....

    Also, take the top off and check that the K-2 IS working. Just because you hear it click, doesn't mean it is working right. Check that the 24 volt input is coming to the relay, and that the output is also correct.
  12. Guyfang

    MEP 803a Won't crank.....

    The connectors that get screwed into the control panel. All the wires run through them. Open up the bottom right side door and reach in, feel around and you will find them. If they are tight, and on right, unscrew them and take a look see at the plugs. See if they are damaged.
  13. Guyfang

    MEP 803a Won't crank.....

    A lose connection will also do this. You get voltage to pass, but no amperage. Check the grounds also. But it sounds like something simple. Like the engine cut off, when the low fuel switch functioning. You do have fuel in it, right? And you can reach into the tank and move the fuel float switch...
  14. Guyfang

    MEP 803a Won't crank.....

    Also, check the canon plugs from the control cube. If they are lose, you can get a fault like this. Seen it more than once.
  15. Guyfang

    MEP 803a Won't crank.....

    Take a wire, go from the positive side of the battery, to the start solenoid. Will that turn the starter over?
  16. Guyfang

    MEP 803a Won't crank.....

    Try this. Put the S-1 in the stop position. Push the reset button on the fault indicator and hold it in. Try and start it with the S-1 switch. Will it turn over?
  17. Guyfang

    MEP 803a Won't crank.....

    You need to find out why K-3 start relay is not energising. Has this gen set ever worked? Or did the problem just come out of nowhere?
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