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MEP-803A Power at panel -No crank

C

chilbun28

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Quick question guys, MEP-803A (2010 with 500 hours) has power at the control panel and the fuel pump comes on when the main switch is turned to prime but there is no response from the motor when the switch is turned all the way to the start position. Pump comes on, panel lights work, but nothing happens when you turn the switch all the way to start. I'm going to get the generator from where it's at and bring it home early next week to start going through it, just hoping to get some good direction from anyone who has a little time to run me through the electrical path and most common points to check out. From what I understand there are no fault lights on such as no/low fuel... Generator turns over just fine with the dead crank switch. Anything to help get me going is appreciated.
 
WWRD99

WWRD99

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chilbun28 said:
Quick question guys, MEP-803A (2010 with 500 hours) has power at the control panel and the fuel pump comes on when the main switch is turned to prime but there is no response from the motor when the switch is turned all the way to the start position. Pump comes on, panel lights work, but nothing happens when you turn the switch all the way to start. I'm going to get the generator from where it's at and bring it home early next week to start going through it, just hoping to get some good direction from anyone who has a little time to run me through the electrical path and most common points to check out. From what I understand there are no fault lights on such as no/low fuel... Generator turns over just fine with the dead crank switch. Anything to help get me going is appreciated.
Click to expand...
Any chance the emergency shut off switch got pushed in?

Sent from my SM-S906U using Tapatalk
 
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kloppk

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Also be sure Battle Short switch is turned off.
See if the contacts inside of Relay K16 move as S1 is moved from Stop to Prime/Run. They should.

*edit
K16 is the Crank Disconnect relay. If S14 is bad/missing K16 will not move internally causing a no crank from S1 situation.
If the set has a blue plastic S1 that could be the cause a no crank situation too. Those S1's fail occasionally.
 
Last edited:
C

chilbun28

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Location
Deep South
Guys, I really wish I had some feedback other than what I have. I put the batteries on charge although they were already fairly strong but it came online and ran strong. One issue it does have though is the hz adjuster just free spins. The cable is where it's supposed to be but it's not making any adjustment. Have any of yall had to change that mechanism and cable out?
 
Light in the Dark

Light in the Dark

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There are internal threads on the body of the cable, that is held in place with the double nuts. It is possible to thread it out of the internal threading, allowing for a freespin condition. The easiest thing to test is to remove the knarp end from the throttle plate on the engine, and remove the whole cable from the machine. Then take the body (where you adjust the hertz by hand) and see if you can reassemble, or determine, if its come undone. Its not a very complicated part at all.

New ones are out there, but once you see how its made, you will see there is little to fail.
 
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