Question about Briggs & Stratton Electrical Supplies

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Briggs 8kw motor on genset will start to start with starting fluid, but not on its own. Did get it to start at one point, added new gas with some mystery oil but won't start now.

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Your carburetor is likely fouled. You may be able to rebuild it, have it rebuild if a kit is available. Otherwise, it will need replacement.

Posted on Aug 27, 2010

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A Coleman Powermate 6250 with a Briggs and Stratton engine new won't crack. Got gas to crab and motor full of oil. Spray starting fluid in it it until it's gone. Why wouldn't it start? ??


If its new, SOME generators will not start unless at least 3/4 full of gas. Spark plugs secured all the way in? Gas switch on? Pull the choke? NO MORE starting fluid, Bad Louie, BAD! some of the suggestions i posted above may help :) but, no more starting fluid.

Jun 29, 2016 | Coleman Electrical Supplies

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The generator doesn't turn off after transfering power back to the utility


The transfer switch is responsible for starting / stopping the generator. Check your auto - start circuit. It is 2 wires that go between the genset and ATS. They are generally normally open. When the genset is to shut down this circuit needs to change state.

Jul 09, 2011 | Briggs & Stratton Briggs Stratton 7 kW...

1 Answer

Runs but does not put out correct voltage


Almost 90-95% of all the Genset problems found by the factory approved Genset Service Centers are related to the fact that people don't read the OWNERS MANUAL first, and just didn't put OIL in the Genset (or the right amount) - as they are shipped from the MFR without OIL in the units to begin with!!!!

And here I thought everybody KNEW THAT!!

I guess sometimes you just have to ask the most OBVIOUS ??'s first huh (dumb as " it " may sound)?

If you bought your Genset from other then a Home Depot Store, and it's still under warranty - then you will have to contact that outlet, and see what they have to say or hopefully can do for you.

Esp all those Gensets that are Made in China and have flooded the USA market in the last 10 years or so - no thanks to our representatives in WASH DC that's for sure. It's a wonder this country even functions with all this "inferior" Made in China JUNK that keeps prematurely failing before it's normal time. Sad to say the least!

Some other obvious things to CHECK for that may be the cause of a NO start condition even after adding proper gas & oil to the brand new Genset:

1 - Some Genset gas tanks come with a gas cap "blocking insert" under the gas cap that should be removed according to your manual if it states this. (Read manual section on "First Time Starting")

2 - Is the gas tank shutoff valve FULLY OPEN? By the same token (even if the Genset is or isn't brand new) does it have an in-line fuel filter anywhere in the gas line? If not then esp read #5.

3 - Is the RUN SWITCH set to ON or RUN position (this is purely an "Electrical Switch" btw)? Is it working properly? Test it using a known good quality DVM or OHM meter! It's contacts may have become tarnished just from sitting around too long? Esp where you have saltwater conditions in the surrounding air!

4 - Is the choke being set to the proper position with or without using Ether spray to the Carb?

5 - Does the Carb have a Yellow or Black wire coming off of the bottom of the Float Bowl? This goes to the GAS CUT OFF SOLENOID mounted in the Main Jet inside the Float Bowl. NEVER CUT THIS WIRE as some know-nothings have suggested here and elsewhere in postings, as there are better ways to test the solenoid without doing that! If equipped with one - This anti-dieseling solenoid has to work properly or else flooding will occur with the gas shutoff valve OPEN.

6 - VERY IMPORTANT - Is the Float stuck in the CLOSED position not letting gas into the Main Jet? You might try and TAP CAREFULLY on the bottom or side of the Float Bowl with a hard rubber hammer first to try and see if you can dislodge the stuck Float inside. If there is a WIRE at the bottom of the Float Bowl on your model - DO NOT HIT THAT GAS SHUT-OFF SOLENOID WITH THE RUBBER HAMMER - as you WILL damage it! If this dislodges the stuck Float then your problem is solved! NEVER FORCE ANYTHING!! It's possibly that you might have to loosen slightly and/or totally remove the Float Bowl (usually 2 screws) to see if indeed any gas is getting inside to the Float at all. If gas comes out readily but still no gas is getting into the Main Jet and intake then you purely have a DIRTY CARB issue and nothing more! If you're not smelling gas through the air filter box then you are FUEL STARVED. ALSO - Many a brand new shipped Genset will have some kind of NEW gas tank (usually metal gas tanks only) MICRO DEBRIS inside the tank itself or even in the rubber gas line (I've heard of this before, and seen this myself 100's of times with cheaper rubber hoses). That is why an added in-line FUEL FILTER (if your Genset has none) is SO important!! Usually a common $2-3 item at any auto parts store. Once gas is added to the tank all this micro debris is set free to enter into the CARB FLOAT BOWL, and that is where Carb problems will start - even with a "brand new" never run before Genset!!

7 - As dumb as this next ? is to ask I have to ask anyway - Are you getting GOOD spark at the spark plug? Some units ship with the spark wire cap disconnected and it may look like it's on the plug, but in reality it really isn't fully connected! If you are getting a good spark then it's highly unlikely that the Maintenance-free Magnetron® electronic ignition would be bad. Fouled spark plug - YES - bad Maintenance-free Magnetron® electronic ignition - hardly.

8 - If your Genset is used and said to be ? years old, and it just indeed might have some high RUNTIME HOURS on it - it just could very possibly be what sounds like to me (and I personally HAVE SEEN this happen myself firsthand) that the generator brushes are nearly shot - as in almost worn out. They may be getting too too hot - as from excessive current draw at point of contact, and thus the generator sensing circuitry itself is doing an electrical CUTOUT!!

An added protective Genset circuit feature in that the generator itself may indeed be linked to the engine as a type of REV LIMITER or CUTOUT on the Maintenance-free Magnetron® electronic ignition. Again - your operators or service manual should have a pretty good troubleshooting section in it unless you don't have that anymore or never got one if you bought it used to begin with.

If you unscrew & remove the Generator brushes for servicing yourself, and they are indeed below the recommended length (or worse case they are indeed totally worn down) then that most likely is your starting or output problem right there. If you are having Output problems as well.

If you choose to replace the old brushes with new ones yourself - be very careful when seating the new ones - as to their insertion and cap retainer tightening. Never over-tighten those black plastic-like brush retainer screw caps - for if you break one (hard to get immediate replacements is why), or fracture one it could cause the Genset to fail under LOAD, and that very well could do some severe damage to the generator part itself. Take your time doing it, and be patient!!

It has to be one of the CHECK scenarios listed above, as I've covered every possible cause short of a broken wire somewhere - which in that case you will have to schematic trace and DVM or Ohm-meter out wire to wire contacts. This being the least likely scenario from experience.

If you indeed find the Float Bowl assy to be the cause of dirt contamination or varnish build-up clogging the Carb, and you need a walk-through of taking it apart, cleaning it out, and then re-assembling it again - as well as re-adjusting the fuel mixture Adjustment Screws - just give me a shout here, and I'll walk you through it step by step.

That's about all there is unless you got a Defective Genset from the start. Next stop - Home Depot!

Best regards to all with the same problems, and hope I helped you out 100% - all political humor/truth aside.

Please post me a reply as to finding this solution being the best resolve to your Genset problem there 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

Sep 08, 2008 | Electrical Supplies

1 Answer

Dw7000 gen ,willnot run


My answer:

Hello,

Not sure if your Genset is "brand new never used" or not? If it is brand new then all the CHECKS below apply except for #1, as surely the Genset will not run in that case, and will vapor lock as from a vacuum in the gas tank.

Almost 90-95% of all the Genset problems found by the factory approved Genset Service Centers are related to the fact that people don't read the OWNERS MANUAL first, and just didn't put OIL in the Genset (or the right amount) - as they are shipped from the MFR without OIL in the units to begin with!!!!

And here I thought everybody KNEW THAT!!

I guess sometimes you just have to ask the most OBVIOUS ??'s first huh (dumb as " it " may sound)?

If you bought your Genset from other then a Home Depot Store, and it's still under warranty - then you will have to contact that outlet and see what they have to say.

Some other obvious things to CHECK for that may be the cause of a NO start condition even after adding proper gas & oil to the brand new Genset:

1 - Some Genset gas tanks come with a gas cap "blocking insert" under the gas cap that should be removed according to your manual if it states this. (Read manual section on "First Time Starting")

2 - Is the gas tank shutoff valve FULLY OPEN? By the same token (even if the Genset is or isn't brand new) does it have an in-line fuel filter anywhere in the gas line? If not then esp read #5.

3 - Is the RUN SWITCH set to ON or RUN position (this is purely an "Electrical Switch" btw)? Is it working properly? Test it using a known good quality DVM or OHM meter! It's contacts may have become tarnished just from sitting around too long? Esp where you have saltwater conditions in the surrounding air!

4 - Is the choke being set to the proper position with or without using Ether spray to the Carb?

5 - Does the Carb have a Yellow or Black wire coming off of the bottom of the Float Bowl? This goes to the GAS CUT OFF SOLENOID mounted in the Main Jet inside the Float Bowl. NEVER CUT THIS WIRE as some know-nothings have suggested here and elsewhere in postings, as there are better ways to test the solenoid without doing that! If equipped with one - This anti-dieseling solenoid has to work properly or else flooding will occur with the gas shutoff valve OPEN.

6 - VERY IMPORTANT - Is the Float stuck in the CLOSED position not letting gas into the Main Jet? You might try and TAP CAREFULLY on the bottom or side of the Float Bowl with a hard rubber hammer first to try and see if you can dislodge the stuck Float inside. If there is a WIRE at the bottom of the Float Bowl on your model - DO NOT HIT THAT GAS SHUT-OFF SOLENOID WITH THE RUBBER HAMMER - as you WILL damage it! If this dislodges the stuck Float then your problem is solved! NEVER FORCE ANYTHING!! It's possibly that you might have to loosen slightly and/or totally remove the Float Bowl (usually 2 screws) to see if indeed any gas is getting inside to the Float at all. If gas comes out readily but still no gas is getting into the Main Jet and intake then you purely have a DIRTY CARB issue and nothing more! If you're not smelling gas through the air filter box then you are FUEL STARVED. ALSO - Many a brand new shipped Genset will have some kind of NEW gas tank (usually metal gas tanks only) MICRO DEBRIS inside the tank itself or even in the rubber gas line (I've heard of this before, and seen this myself 100's of times with cheaper rubber hoses). That is why an added in-line FUEL FILTER (if your Genset has none) is SO important!! Usually a common $2-3 item at any auto parts store. Once gas is added to the tank all this micro debris is set free to enter into the CARB FLOAT BOWL, and that is where Carb problems will start - even with a "brand new" never run before Genset!!

7 - As dumb as this next ? is to ask I have to ask anyway - Are you getting GOOD spark at the spark plug? Some units ship with the spark wire cap disconnected and it may look like it's on the plug, but in reality it really isn't fully connected! If you are getting a good spark then it's highly unlikely that the Maintenance-free Magnetron® electronic ignition would be bad. Fouled spark plug - YES - bad Maintenance-free Magnetron® electronic ignition - hardly.

8 - If your Genset is used and said to be ? years old, and it just indeed might have some high RUNTIME HOURS on it - it just could very possibly be what sounds like to me (and I personally HAVE SEEN this happen myself firsthand) that the generator brushes are nearly shot - as in almost worn out. They may be getting too too hot - as from excessive current draw at point of contact, and thus the generator sensing circuitry itself is doing an electrical CUTOUT!!

An added protective Genset circuit feature in that the generator itself may indeed be linked to the engine as a type of REV LIMITER or CUTOUT on the Maintenance-free Magnetron® electronic ignition. Again - your operators or service manual should have a pretty good troubleshooting section in it unless you don't have that anymore or never got one if you bought it used to begin with.

If you unscrew & remove the Generator brushes for servicing yourself, and they are indeed below the recommended length (or worse case they are indeed totally worn down) then that most likely is your starting or output problem right there. If you are having Output problems as well.

If you choose to replace the old brushes with new ones yourself - be very careful when seating the new ones - as to their insertion and cap retainer tightening. Never over-tighten those black plastic-like brush retainer screw caps - for if you break one (hard to get immediate replacements is why), or fracture one it could cause the Genset to fail under LOAD, and that very well could do some severe damage to the generator part itself. Take your time doing it, and be patient!!

It has to be one of the CHECK scenarios listed above, as I've covered every possible cause short of a broken wire somewhere - which in that case you will have to schematic trace and DVM or Ohm-meter out wire to wire contacts. This being the least likely scenario from experience.

If you indeed find the Float Bowl assy to be the cause of dirt contamination or varnish build-up clogging the Carb, and you need a walk-through of taking it apart, cleaning it out, and then re-assembling it again - as well as re-adjusting the fuel mixture Adjustment Screws - just give me a shout here, and I'll walk you through it step by step.

That's about all there is unless you got a Defective Genset from the start. Next stop - Home Depot!

Best regards to all with the same problems, and hope I helped you out 100% - all political humor/truth aside.

Please post me a reply as to finding this solution being the best resolve to your Genset problem there 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

Sep 07, 2008 | Dewalt 7,000 Watt 13 Hp Portable Generator...

2 Answers

Brand New, Out-of-the-box will not start!


My answer:

Hello Gary,

Well - I guess you too are one in a long list of people that bought these Powermate Gensets from Home Depot and first now - WOW - after 4 years in the box you are first firing it up. 2 years in the box would be bad enough, but 4 years boxed could have even more gasket, etc related problems even more! Never know with these cheaper Made in China Gensets these days.

So - where to start on yours?

I guess I better tell you what I've already told others in your same situation unless you already know what I'm going to tell you.

I'll repost a shortened section below for you to read first as you have NO warranty option at this point, but might have a Home Depot option as you read the following below - after which I'll run through some common problems as it seems you already have the most common problem covered - as to adding the proper type and level of oil before you do anything to start the Genset - being careful NOT to over-fill the oil sump.


FOLLOW-UP ON ALL POWERMATE GENSETS

A follow-up to my original post here with some added Powermate info that hopefully will get you an Operator's Manual, service for your Genset, and more - for all your Powermate Gensets out there if you follow-up on the info here.

As you are now hopefully but painfully aware - Powermate has gone totally Bankrupt, and is no longer in business as of this past year or so.

There is hope though - as I state below in the previous Footnote I posted to many having similar problems.

Previous Footnote: It's too late now for all those out there that unfortunately bought these now still Brand New "unservicealbe" Powermate units that won't start for whatever, whether still Brand New "NIB", or whether taken out of the box and still not used, and are now seeking some kind of service on them (btw it's a sign of the present day GOP ran economic woes we are in AND it will only get worse - CHINA is going on the very same downward path right now thanks to you know who - W!). If you buy anything today "made in China" you better be making a GOOD buying decision - otherwise you will be in the very same situation you are in now with your Powermate Gensets - as China is starting to collapse from within just like this USA economy of ours has been doing for the last 5-6 years to no end! All politics aside as well - as blame is put where it is deserved in my books and we can only blame YOU KNOW WHO! Sorry but true!

NOW -

Any inventory stock of their (Powermate) Gensets - that were once formerly sold in the USA & Canada - have been totally liquidated out to a company in Georgia I was told, and it was said to be true.

I was able to get this NEW added info through another source said to be VERY accurate btw - so hopefully it is.

That Company's name is PRAMAC, and their address and phone # info is:

PRAMAC INDUSTRIES, Inc.

* Regional head office:

1100 Cobb Parkway North C
30062 Marietta, Georgia

Phone: 770-218-5430
Fax : 770 218 2810

or:

* International sales office:

10100 NW 116 Way, Suite 10
33178 Medley, Florida

Phone: 305-888-9911
Fax : 305-888-3711

Site info:

PRAMAC Global Gateway
BUT -

Before you blame me for any possible false Powermate info posted above in regards to that PRAMAC Co, or their contact info - read the GOOD NEWS below first.

The GOOD NEWS is that I spoke with a very close contact inside Home Depot (not saying who so don't even ask), and that person gave me some very GOOD NEWS for those that act on it NOW!

Not tomorrow - Not next week - Not next month - and certainly NOT NEXT YEAR!

DO IT RIGHT NOW!!

I spoke with my Home Depot Corp contact today (using your "not starting" dilemma - as my own - to get a response) to see if anything could be done from their point of view and here's what I was told to do.

What I was told is that if I (you) bring in my (your) ORIGINAL HOME DEPOT CASH REGISTER DATED RECEIPT and speak to the (whichever Home Depot store applies here) Home Depot Store Manager there, and explain to them that the brand new never used Powermate Genset they sold me (you in this case) won't start - they would send your Genset out to their local Genset Service Vendor FREE OF CHARGE BTW, and hopefully get it started for you.

Anything more then that - you would be on your own if it was damaged by you or someone else that tried using it improperly.

Here's another IMPORTANT FACT my contact at Home Depot told me.

Almost 95% of all the Genset problems found by the Service Center are related to the fact that people don't read the OWNERS MANUAL first, and just didn't put OIL in the Genset - as they are shipped from the MFR without OIL in the units to begin with!!!!

And here I thought everybody KNEW THAT!!

I guess sometimes you just have to ask the most OBVIOUS ??'s first huh (dumb as " it " may sound)?

If you bought your Powermate Genset from other then a Home Depot Store then you will have to contact that outlet and see what they have to say.

Some other obvious things to look for that may be the cause of a NO start condition even after adding proper gas & oil to the brand new Genset.

1 - Some Genset gas tanks come with a gas cap "blocking insert" under the gas cap that should be removed according to your manual if it states this. (Read manual section on "First Time Starting")

2 - Is the gas tank shutoff valve FULLY OPEN?

3 - Is the RUN SWITCH set to ON or RUN position (this is purely an "Electrical Switch" btw)? Is it working properly? Test it using an DVM or OHM meter! It's contacts may have become tarnished just from sitting so long?

3 - Is the choke being set to the proper position with or without using Ether spray to the Carb?

4 - Does the Carb have a Yellow or Black wire coming off of the bottom of the Float Bowl? This goes to the GAS CUT OFF SOLENOID mounted in the Main Jet inside the Float Bowl. NEVER CUT THIS WIRE as some people have suggested, as there are better ways to test the solenoid without doing that! If equipped with one - This anti-dieseling solenoid has to work properly or else flooding will occur with the gas shutoff valve OPEN.

5 - Is the Float stuck in the CLOSED position not letting gas into the Main Jet? You might try and tap carefully on the bottom or side of the Float Bowl with a hard rubber hammer first to try and see if you can dislodge the stuck Float inside. If there is a WIRE at the bottom of the Float Bowl on your model - DO NOT HIT THAT GAS SHUT-OFF SOLENOID WITH THE RUBBER HAMMER - as you will do damage to it! If this dislodges the stuck Float then your problem is solved! NEVER FORCE ANYTHING!! It's possibly that you might have to loosen the Float Bowl slightly to see if indeed gas is getting inside to the Float at all. If gas comes out readily but still no gas is getting into the Main Jet and intake then you purely have a Carb issue and nothing more! If you're not smelling gas through the air filter box then you are FUEL STARVED.

6 - As dumb as this next ? is to ask I have to ask anyway - Are you getting GOOD spark at the spark plug? Some units ship with the spark wire cap disconnected and it may look like it's on the plug, but in reality it really isn't fully connected!

That's about all there is unless you got a Defective Genset from the start. Next stop - Home Depot!

Best regards to all with the same problems, and hope I helped you out 100% - all political humor/truth aside.

Please post me a reply as to finding this solution being the best resolve to your Powermate problem there 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

Sep 06, 2008 | Coleman Powermate Premium Plus 6250W...

3 Answers

Coleman generator


a couple things... i presume you have already put it back together. but dirt in the fuel line will not allow fuel thru and that appears to be the problem.... the float controls a tiny valve... the theory is the float shuts off the fuel supply to avoid fuel spillage.

ensure there is proper movement of the float up and down.

if that appears fine... attempt to start it a few times.... afterward pull the spark plug... is it wet (fuel) ?

Robert

Sep 05, 2008 | Electrical Supplies

2 Answers

Colemen powermate Generator 6875w 5500


If your's is not a brushless type then see owners manual regarding how to re-excite the generator using a battery 6 volt (dry cell) or 12 volt auto. Be careful when removing the plastic brush cover plate
don't pull at just the bottom tab,  pull it at the bottom tab and at the sides. Parts may become available as plant has been re-opened by
Pramac.

Sep 05, 2008 | Coleman Powermate Premium Plus 6250W...

2 Answers

Coleman 5500 (MZ300)


If the oil is dirty, it will not pump properly. I recently had this problem, once I changed the oil it was good to go.

Sep 02, 2008 | Coleman Powermate Premium Plus 6250W...

1 Answer

Not getting any fire


Almost 90-95% of all the Genset problems found by the factory approved Genset Service Centers are related to the fact that people don't read the OWNERS MANUAL first, and just didn't put OIL in the Genset (or the right amount) - as they are shipped from the MFR without OIL in the units to begin with!!!!

And here I thought everybody KNEW THAT!!

I guess sometimes you just have to ask the most OBVIOUS ??'s first huh (dumb as " it " may sound)?

If you bought your Genset from other then a Home Depot Store, and it's still under warranty - then you will have to contact that outlet, and see what they have to say or hopefully can do for you.

Esp all those Gensets that are Made in China and have flooded the USA market in the last 10 years or so - no thanks to our representatives in WASH DC that's for sure. It's a wonder this country even functions with all this "inferior" Made in China JUNK that keeps prematurely failing before it's normal time. Sad to say the least!

Some other obvious things to CHECK for that may be the cause of a NO start condition even after adding proper gas & oil to the brand new Genset:

1 - Some Genset gas tanks come with a gas cap "blocking insert" under the gas cap that should be removed according to your manual if it states this. (Read manual section on "First Time Starting")

2 - Is the gas tank shutoff valve FULLY OPEN? By the same token (even if the Genset is or isn't brand new) does it have an in-line fuel filter anywhere in the gas line? If not then esp read #5.

3 - Is the RUN SWITCH set to ON or RUN position (this is purely an "Electrical Switch" btw)? Is it working properly? Test it using a known good quality DVM or OHM meter! It's contacts may have become tarnished just from sitting around too long? Esp where you have saltwater conditions in the surrounding air!

4 - Is the choke being set to the proper position with or without using Ether spray to the Carb?

5 - Does the Carb have a Yellow or Black wire coming off of the bottom of the Float Bowl? This goes to the GAS CUT OFF SOLENOID mounted in the Main Jet inside the Float Bowl. NEVER CUT THIS WIRE as some know-nothings have suggested here and elsewhere in postings, as there are better ways to test the solenoid without doing that! If equipped with one - This anti-dieseling solenoid has to work properly or else flooding will occur with the gas shutoff valve OPEN.

6 - VERY IMPORTANT - Is the Float stuck in the CLOSED position not letting gas into the Main Jet? You might try and TAP CAREFULLY on the bottom or side of the Float Bowl with a hard rubber hammer first to try and see if you can dislodge the stuck Float inside. If there is a WIRE at the bottom of the Float Bowl on your model - DO NOT HIT THAT GAS SHUT-OFF SOLENOID WITH THE RUBBER HAMMER - as you WILL damage it! If this dislodges the stuck Float then your problem is solved! NEVER FORCE ANYTHING!! It's possibly that you might have to loosen slightly and/or totally remove the Float Bowl (usually 2 screws) to see if indeed any gas is getting inside to the Float at all. If gas comes out readily but still no gas is getting into the Main Jet and intake then you purely have a DIRTY CARB issue and nothing more! If you're not smelling gas through the air filter box then you are FUEL STARVED. ALSO - Many a brand new shipped Genset will have some kind of NEW gas tank (usually metal gas tanks only) MICRO DEBRIS inside the tank itself or even in the rubber gas line (I've heard of this before, and seen this myself 100's of times with cheaper rubber hoses). That is why an added in-line FUEL FILTER (if your Genset has none) is SO important!! Usually a common $2-3 item at any auto parts store. Once gas is added to the tank all this micro debris is set free to enter into the CARB FLOAT BOWL, and that is where Carb problems will start - even with a "brand new" never run before Genset!!

7 - As dumb as this next ? is to ask I have to ask anyway - Are you getting GOOD spark at the spark plug? Some units ship with the spark wire cap disconnected and it may look like it's on the plug, but in reality it really isn't fully connected! If you are getting a good spark then it's highly unlikely that the Maintenance-free Magnetron® electronic ignition would be bad. Fouled spark plug - YES - bad Maintenance-free Magnetron® electronic ignition - hardly.

8 - If your Genset is used and said to be ? years old, and it just indeed might have some high RUNTIME HOURS on it - it just could very possibly be what sounds like to me (and I personally HAVE SEEN this happen myself firsthand) that the generator brushes are nearly shot - as in almost worn out. They may be getting too too hot - as from excessive current draw at point of contact, and thus the generator sensing circuitry itself is doing an electrical CUTOUT!!

An added protective Genset circuit feature in that the generator itself may indeed be linked to the engine as a type of REV LIMITER or CUTOUT on the Maintenance-free Magnetron® electronic ignition. Again - your operators or service manual should have a pretty good troubleshooting section in it unless you don't have that anymore or never got one if you bought it used to begin with.

If you unscrew & remove the Generator brushes for servicing yourself, and they are indeed below the recommended length (or worse case they are indeed totally worn down) then that most likely is your starting or output problem right there. If you are having Output problems as well.

If you choose to replace the old brushes with new ones yourself - be very careful when seating the new ones - as to their insertion and cap retainer tightening. Never over-tighten those black plastic-like brush retainer screw caps - for if you break one (hard to get immediate replacements is why), or fracture one it could cause the Genset to fail under LOAD, and that very well could do some severe damage to the generator part itself. Take your time doing it, and be patient!!

It has to be one of the CHECK scenarios listed above, as I've covered every possible cause short of a broken wire somewhere - which in that case you will have to schematic trace and DVM or Ohm-meter out wire to wire contacts. This being the least likely scenario from experience.

If you indeed find the Float Bowl assy to be the cause of dirt contamination or varnish build-up clogging the Carb, and you need a walk-through of taking it apart, cleaning it out, and then re-assembling it again - as well as re-adjusting the fuel mixture Adjustment Screws - just give me a shout here, and I'll walk you through it step by step.

That's about all there is unless you got a Defective Genset from the start. Next stop - Home Depot!

Best regards to all with the same problems, and hope I helped you out 100% - all political humor/truth aside.

Please post me a reply as to finding this solution being the best resolve to your Genset problem there 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

Aug 28, 2008 | McCulloch 13HP 338 Cc Portable Generator #...

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