Question about Generac Electrical Supplies

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Overcrank light on in manual setting. We turned off and tried to manually start. Just made the normal starting noise but wouldn't start. What could the problem be. Seems to be plenty oil, fuel. Oil changed regular.

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  • Contributor
  • 19 Answers

Check your filters.

Posted on Oct 21, 2013

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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  • 72 Answers

SOURCE: Oil for Coleman Powermate 5000 PM0545305.03

My answer:

First of all - Almost every 4-stroke Genset engine out there should use a minimum 10-30 or else a 10-40 oil blend tops. Best NEVER to use just a straight weight, as in a 30 or 40 weight, as that would be way too "high viscous" at colder temps and could destroy the engine due to overheating at MAX Genset LOADS!

Next - If the Genset is indeed brand new then you need to use the proper fuel in it, as certain mfr's require different fuel blends (such as with certain B&S - Briggs & Stratton - engines), and those engines are set up that way to run on that blend alone. Using the wrong gas blend could damage the engine.

You really need to get a factory Users Manual for your Genset there and read it through thoroughly!

If it has gas in it now (and hasn't run in 3 years?) chances are the whole gas tank, and fuel lines, and Carb as well will need to be cleaned out from contaminated fuel - as there definitely is gum and varnish built up everywhere in those fuel delivery areas esp the most important component - the Carb! Been there - seen that - cleaned that! So I KNOW for FACT.

As for the OIL LEVEL - that is fairly simple - as all you do is unscrew (or in some cases pull out) the dipstick, and check the oil for proper level on the stick as well as cleanness (2 finger test like with car oil), and if it's even black or a silvery color then it definitely needs to be changed out NOW! Refill with fresh oil and your done there.

Check the Air Cleaner for cleanness as well, and service the filter if a foam element, or replace it if a paper element.

If the fuel tank has an in-line fuel line filter and it looks dirty change it out as well. Esp if the gas tank is made out of metal.

Check the spark plug for proper gap, and heat range, and burn color if the Genset has been run already. Should be a nice "light tan" color. If dark and wet - then you have Carb flooding problems.

That about covers it...

Anything else problem wise feel free to ask me here in post follow-up and I'll be glad to answer it for you.

Please post me a reply as to the found problem there, and the resolve to it by following my recommendations above. Also please rate my troubleshooting fix as well.

Keep me posted and I'll follow up as well.

Best regards,

Frank

Posted on Sep 04, 2008

CarlGehrke
  • 169 Answers

SOURCE: Oil for Coleman Powermate 5000 PM0545305.03

Yes, SAE5W30 is just the right oil for this machine,it will take about a quart to fill it up to the bottom of the threads in the oil fill hole.
The engine of this generator is essentially just like a lawn mower with a fixed throttle setting. You should expect all of the same issues as any small engine that's been sitting for a while. Check the fuel tank for water/debris, check the carb for fouling, check the spark plug, etc.

If the generator has been sitting for 3+ years without running you may need to flash it to get any voltage out of it. If you get the engine running and it won't make any electricity ask me directly and I'll talk you thru the procedure.

I looked on www.powermate.com for an owners manual but they only seem to have the parts list, rats.

Regards,
Carl

Posted on Dec 14, 2008

  • 83 Answers

SOURCE: My troy-Bilt 5550 watt generator will not start

First drain the fuel bowl. Any old fuel in there will keep it from starting. Fuel stabilizer is not what it's it cracked up to be. I've worked for 6yrs at a rental yard and had no luck with any fuel stabilizer, the fuel still went bad. If after you drain the fuel bowl it still will not start, you will need to clean the carb. Remove the carb and spray carb cleaner through all the accessible passages. If this does not do it, you will need to replace the carb. For long term storage I highly recommend draining all the fuel and filling just the carb with fuel stabilizer to keep gaskets moist. Then drain the carb when you take it out of storage.

Posted on Mar 30, 2009

mamicheddy
  • 79 Answers

SOURCE: I have a Generac portable generator 5000 watts, won't start!

I am assuming the generator worked fine before the oil change. Now that you have done the oil change the genset does not start. These generators have a safety switch, which is basically an oil pressure switch that keeps the engine from running when there is not enough oil in the engine. Make sure that there is enough oil and if there is, look for a wire that runs along side of the engine to a round component. disconnect that wire and try starting. If it does not start then try to ground out the wire to the engine block. If this does not work, then there is other engine problems.

Posted on May 08, 2009

  • 491 Answers

SOURCE: wont start has spark , new fuel, new oil.

Is the spark plug black?
It won't run well with a carbonized plug.

Is the main jet in the carb plugged?
If the plug is dry after trying to start it.....your fuel is not getting into the engine and most likely a plugged carb jet..
Also.....Is the fuel switch working...is it in run position?

If the generator has sat for a while with fuel left in the carb/fuel tank.......the most common problem is a plugged varnished dirty carburetor in need of a good cleaning.
Always shut the fuel off and let the carb run dry (run until the engine stops)before storing.
Add fuel stabilizer to any remaining fuel or drain the tank before storing.

Posted on Oct 14, 2009

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