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Recent content by kloppk

  1. K

    MEP-804A Low Voltage - Voltage Regulator Question

    Test "h" is verifying the generator is generating the correct flashing voltage. Also getting a reading between 4 and 12 volts indicates continuity to the static exciter. If there was a wiring issue or the static exciter was bad the voltage measured would likely be closer to 24 volts. Test "j"...
  2. K

    MEP-804A Low Voltage - Voltage Regulator Question

    From the pics posted below it appears to be a Libby. Green paint and Libby showing between the wires.
  3. K

    MEP-803A mixed load test results

    Check out this thread. Lots of good info on things to test to track down the cause of a false overload. False Overload Issues
  4. K

    what is oil pressure for mep831a

    I did put a gauge on one of my 831's. As I recall when initially started it was about 125 PSI. And is warmed up it dropped to about 80-90 PSI.
  5. K

    Looking for 2 burden resistors for an 802A generator.

    Yes same resistors used in 802s and 803s
  6. K

    MEP 802a trips overload at anything over 4000 watts

    I've searched and didn't find that resistor as well and a direct substitute that was previously available. An option would be to use a RE70G7R50C02 chassis mount resistor.
  7. K

    Looking for 2 burden resistors for an 802A generator.

    I've searched and didn't find that resistor as well and a direct substitute that was previously available. An option would be to use a RE70G7R50C02 chassis mount resistor.
  8. K

    MEP 802a trips overload at anything over 4000 watts

    Since you have the same voltages across R12 and R13 I'd suspect one of those burden resistors failed and is open circuit.
  9. K

    MEP 802a trips overload at anything over 4000 watts

    Correct. If the AC voltages to the K8 terminal pairs is less than 5.6 volts AC and you get an overload fault then I'd say K8 is bad. Since you are seeing voltage in excess of that then the issue is with the switch contacts, wiring or R12 or R13. Yes, you would normally see the same AC voltage...
  10. K

    MEP-831a will not start.

    There are usually a pair of laminated schematic pages in that storage pocket. The same schematic info is in the back of the TM mentioned in the post above.
  11. K

    MEP 802a trips overload at anything over 4000 watts

    If the contacts close putting the two resistors in parallel the resistance should be 3.75 ohms.
  12. K

    MEP 802a trips overload at anything over 4000 watts

    On S8 be sure to spray the Deoxit in the opening by each screw on both sides of S8. This pic points out just two of the numerous spots to apply Deoxit. You can see the contacts in S8 through the openings if there isn't a wire lug in the way such as the opening by the left arrow. In that opening...
  13. K

    MEP 802a trips overload at anything over 4000 watts

    My money is on contacts 13 & 14. They are supposed to be closed in 120/240 mode putting R13 in parallel with R12. If they don't make good contact it'll cause the excessive voltages you are seeing between 3 & 4.
  14. K

    MEP 802a trips overload at anything over 4000 watts

    I'd suggest doing the following to narrow down if it's a K8 problem or a burden resistor or S6 or S8 switch contact issue. Running is 120/240 mode apply your 5,000 watt load. Then measure the AC voltage across K8 terminal pairs: 1 & 4 2 & 4 3 & 4 Each pair should have about 5.6 volts AC. This...
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