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No AC output

2

240hippie

Member
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Location
Maryland
Scoobyshep said:
It looks like you arent getting enough excitation
Click to expand...
Ray70 said:
Ah, I see... I read where you said Hz at 60 and everything else was working and I assumed that meant the outlet was also working.
Looking above it looks like voltage there is a gen head issue, or regulator problem.
When you said Quad fuse was good, I assume you tested with a meter?
Click to expand...
I checked the fuse with my MM ohms. If I remember right the fuse is a time delay reset. I did remove it to test. I did apply 24V to X and Y. I applied ground and power to the terminals with the wires disconnected. Switch between hot X-ground Y and vice versa. Did not hear anything. I did get some sparking both ways. I would think it would click like a starter solenoid. I new by the end of the day I would most likely be at the stator head. Also the gen ran for 7 hours during a power outage. Ran my house and garage. I just went out to run it, and hear I am. Is there a way to test the AC voltage regulator ? As said it does have the fuse Mod., and the varistor. I dont think I will go to the stator head, I will most likely just sell it. At least I do have a title for the trailer.
 
2

240hippie

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Guyfang said:
Okay, I already took it off completely. No improvement. Still nothing on the voltage gauge. Hertz is running 60 on the nose. The light for the AC Interrupter Switch does not light up. Nothing at the convenience receptacle. Everything else on the machine is working properly. I find it hard to believe that one little ground wire is the culprit here. I rechecked the fuse on the quad relay that is in the regulator, good. This thing is spotless under the panels. 40 hours on its tier 2.

You still do not seem to understand. I told you that the burnt wire HAS NOTHING to do with you lack of output. I tried to tell you that the wire could be burnt because you had the gen set improperly wired to the house.

I then told you how to check the K1. You seem to have forgotten to do that. This is also the first time you have told us that you have no voltage at the 120 volt outlet. That right there tells us the K1 is NOT THE Problem. You have no initial excitation.
Click to expand...
I fed 24V to X and Y on K1 terminals with the wires disconnected. Ground X power Y and vice versa. No clicking, just some tiny sparks. I took K1 apart best I know, because I cant find this "TM" you talk about for taking it apart. Took the 4 screws out of the top and cleaned the 3 contacts. Took the 4 screws out of the bottom and all looked brand new. I test across K1 A1 to B1 2.6 vac, A2 to B1 2.5 vac, B2 to C1 24.5 vac, B1 to C1 14.5 vac, C2 to C1 24.5 vac. Generator running.
 
2

240hippie

Member
50
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Location
Maryland
240hippie said:
I fed 24V to X and Y on K1 terminals with the wires disconnected. Ground X power Y and vice versa. No clicking, just some tiny sparks. I took K1 apart best I know, because I cant find this "TM" you talk about for taking it apart. Took the 4 screws out of the top and cleaned the 3 contacts. Took the 4 screws out of the bottom and all looked brand new. I test across K1 A1 to B1 2.6 vac, A2 to B1 2.5 vac, B2 to C1 24.5 vac, B1 to C1 14.5 vac, C2 to C1 24.5 vac. Generator running.
Click to expand...
I am sorry if I did not send this prior. Alot of suggestions.
 
2

240hippie

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Location
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kloppk said:
If the Fuse Mod fuse is good and you don't have power the the outlet then you need to perform the AC Voltage Regulator test. Post up the readings for each test step and we'll guide you from there.
Click to expand...
I would need the procedure for testing the AC regulator.
 
2

240hippie

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Location
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240hippie said:
I think I found it in one from Guyfand, its the last PDF. Page heading is "Quad Circuit"
Click to expand...
Okay, I would think this test would be running. So, Negative lead to generator ground , hot lead to test 1&2= 2.9vac,, 3=0 vac 4=25.0 vac,, 5=0 vdc 6=.5 vdc,, 7= 9.6 vdc 8= 4.1vac. ALSO test across 1and 2= fluctuates .1 to .3 vac,, across 3and4= 24.9vac,, 5and6= 17.4vdc,, 7and8=14.0vac. IE., TEST across is black lead on one terminal red on the other.
 
2

240hippie

Member
50
15
8
Location
Maryland
240hippie said:
Okay, I would think this test would be running. So, Negative lead to generator ground , hot lead to test 1&2= 2.9vac,, 3=0 vac 4=25.0 vac,, 5=0 vdc 6=.5 vdc,, 7= 9.6 vdc 8= 4.1vac. ALSO test across 1and 2= fluctuates .1 to .3 vac,, across 3and4= 24.9vac,, 5and6= 17.4vdc,, 7and8=14.0vac. IE., TEST across is black lead on one terminal red on the other.
Click to expand...
The 1st #7 should have been vac not vdc.
 
R

Ray70

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240hippie said:
I looked thru the TM list and could not find 24TM. Is it listed another way?
Click to expand...
For future reference you can go to the top of the forum page.
You will see a bar with "Rules" "TM" and "Vendor Spotlight" listed towards the right.
Click on "TM" then click "Generator and Electrical TM's"
Then find the MEP-802A section ( currently the 3 one down on the 1st page )
This is where all the TM's for your machine are located.
When someone refers to say the "-24P" that is the manual ending in "-24P" which happens to be the parts guide.
"the -34TM" is the TM for whatever machine is being discussed, ending in -34
 
2

240hippie

Member
50
15
8
Location
Maryland
Ray70 said:
For future reference you can go to the top of the forum page.
You will see a bar with "Rules" "TM" and "Vendor Spotlight" listed towards the right.
Click on "TM" then click "Generator and Electrical TM's"
Then find the MEP-802A section ( currently the 3 one down on the 1st page )
This is where all the TM's for your machine are located.
When someone refers to say the "-24P" that is the manual ending in "-24P" which happens to be the parts guide.
"the -34TM" is the TM for whatever machine is being discussed, ending in -34
Click to expand...
Did you see the readings I sent???
 
K

kloppk

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It would ready help if you performed the AC Voltage Regulator test per the TM. It has the expected readings for each test.

The 17.4vdc reading you reported indicates to me that you have may have an open circuit between VR terminals 5,6 and the Static exciter.
 
2

240hippie

Member
50
15
8
Location
Maryland
kloppk said:
It would ready help if you performed the AC Voltage Regulator test per the TM. It has the expected readings for each test.

The 17.4vdc reading you reported indicates to me that you have may have an open circuit between VR terminals 5,6 and the Static exciter.
Click to expand...
I did the test as per the PDF in the TM. term 1&2 voltage adjust 1.2vac, term 3&4 117.5 vac, term 5&6 6.0vdc, term 7&8 68.2 vac. These are the "TEST" numbers on the PDF . The title is Quad Circuit. The readings I supplied are what I got. The test does not specify anything. Like, power on engine off, OR engine running. It also does not give great info on the terminal test . So I did it both ways. The 1st with ground from the generator and hit every terminal separately. 2nd, measure across the appropriate terminals, ie., 1and2 3and4. ONE THING, the test says NO AC VOLTS AND NO HERTZ. My hertz gauge is operating just fine, right on 60 when running. The AC Interuptor Switch used to light when thrown, it does not light now. As for the OPEN CIRCUIT 5,6. Is there a way to jump or excite to be sure it is the regulator? It is pretty expensive.
 
2

240hippie

Member
50
15
8
Location
Maryland
240hippie said:
I did the test as per the PDF in the TM. term 1&2 voltage adjust 1.2vac, term 3&4 117.5 vac, term 5&6 6.0vdc, term 7&8 68.2 vac. These are the "TEST" numbers on the PDF . The title is Quad Circuit. The readings I supplied are what I got. The test does not specify anything. Like, power on engine off, OR engine running. It also does not give great info on the terminal test . So I did it both ways. The 1st with ground from the generator and hit every terminal separately. 2nd, measure across the appropriate terminals, ie., 1and2 3and4. ONE THING, the test says NO AC VOLTS AND NO HERTZ. My hertz gauge is operating just fine, right on 60 when running. The AC Interuptor Switch used to light when thrown, it does not light now. As for the OPEN CIRCUIT 5,6. Is there a way to jump or excite to be sure it is the regulator? It is pretty expensive.
Click to expand...
I attached a pic of the PDF I got off the TM list.
 

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