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Generator will not produce 220 volts - Kohler Kubota GL 7000 Lowboy II Diesel Generator

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I have,a Coleman generator 6250 10hp. I need to replug 3wires from on off switch Gen.wont start What goes where Switch has 3prongs in back

First, I'm not a Coleman Tech.
* First check the generator for a wire(s) output description. This will confirm what each wire is producing and where it should be connected to.
* The specs will also give you an idea of what to expect from a particular generator. (Don't expect 220Volts from a 120 Volt small generator.. Hence the 120 VAC generator will only have 3 wires instead of 4 wires for a 220-240 Volt generator. DC/AC generator will have 5-6 wires.)
* In general, on/off switch on the electrical part of the generator (the actual electric source) is on once the engine is up and running. Electricity is being produced at this time. The on/off switch is usually the main electrical breaker that is rated for the full output of the generator. This is very similar to your house breakers except for a modification of the hook up terminals used to wire in this safety component. Like most breakers there is an input(s) then output(s). Usually the input lines will be black, white, with an additional green wire that is also connected to the frame of the generator. These three wires will hook up to one side of the breaker or the "Line In" side or "L1,L2" The other side of the breaker should have been hooked up directly to the 1 or 2 duplex (120VAC) outlet panel.
* on larger generators that produce 120/240 VAC 1PH (two 120 volt AC outputs with alternative 220-240 volt AC) There will be an additional wire that may be the same or different color IE; 2 Blacks, Reds, or Blues. This is hooked up in similar fashion to the breaker except there will be an additional section to the breaker or even two single breakers stuck together with a bar across both switches. (again similar to a 220 VAC breaker used in a house panel.) The extra wire will go to the 2nd section of the breaker. The other side or "output" of the breaker will be wired directly to a set of Duplex outlets (a pair or 4 outlets) AND a 4 pronged 120/240 1PH outlet "Twist Lock" style. (though you may find specialized outlets for single purpose generators.)
* Larger generators may also have a DC (12 or 24 VDC) wire which is of a different color from the AC wires. Expect it to be Black, Red, or White. (Black or white is probably the negative with the Red as positive.) If you do have DC wires then it's more than likely the AC wires are of different colors to avoid getting the DC mixed up with the AC side.
* Final; check your warranty. Have your vendor or MFR perform a service and annual maintenance check which is a good idea as they can change out your air and fuel filters. Check and clean the spark plug. Make sure everything is working properly. The peace of mind is worth it.
Aloha, ukeboy57

May 05, 2018 | Coleman Electrical Supplies

1 Answer

Miller trailblazer 302 it has 110 volts but no 220 volts

Both sets of the 120? If both of those are there (all 4 outlets), then the machine is producing 220v. So get a flashlight and look into the holes on the 220 receptacle, or check the wires on the backside of the receptacle. All that 220 is, is two 120 volts out of phase.

Feb 19, 2015 | Miller Trailblazer 302 Welder Generator...

1 Answer

Adustments engine speed low rpm

You cannot adjust the voltage output. All generators are rated for 110-125 volt recepticals and usually have at least one 220-240 volt receptical for special appliances that require it such as water heaters, pumps, welders, air conditioners. When one of these higher draw appliances is connected and they begin to draw amperage, the gas engine will automatically increase rpm to produce enough amps. If your generator gauge is showing low voltage such as 60,80 or 90volts for example, then you have overloaded the generator and blown a capacitor, resistor or similar item.

Dec 05, 2013 | Northstar North Star Honda 13hp 8000 Ppg...

1 Answer

My portable generator runs great but only produces 7 volts and 20 volts on each 110 volt receptacle and 20 volts on the 220 volt receptacle. any ideas on troubleshooting steps to find the problem part?

Assuming the speed is correct check the voltage on the rotor brushes during running (Caution) It should be DC. If you have low or no DC voltage then the capacitor in the end of the generator housing is bad, or the AVR. If you do have voltage then make sure the slip rings are clean and shiny, from there you may have a rotor or stator issue that needs carefull resisitance check

Oct 13, 2013 | Buffalo Tools Sportsman GEN7000LP Portable...

1 Answer

Hi, I recently purchased a used makita 6100r generator and when checking it out I discovered on my 30 amp 220 receptacles arent getting full power. I took out the receptacle and checked the wires in back...

You may be asking too much of the unit; the 5800 watts a which it is spec'd, may be a 'peak' power rating which may be 15-20% higher than its continuous rating. 30 Amps at 220 volts implies 6600 watts which is higher than even the peak power rating. I would expect the unit to produce ~4800 watts continuous or around 22 Amps.
Decided to check my statements and found this, which I quote:
Generator Volts AC (60Hz) 120/240 Max. Output Current 5800W-48.3A/24.2A Rated Output Current 4800W-40A/20A Volts DC (AMPS) 12 (8.3)

Aug 28, 2011 | Makita G6100R 5800 Watt Generator

1 Answer

The generator produce onely 73 volts ac on the 120 volts plug and 146 volts ac on the 220 volts plug . what could be causing this problem

Check all wiring and fuses associated with you voltage regulator if they check ok, find a way to adjust your voltage regulator replace it. Make sure the unit is running at 3600 rpm as well and making 60 hz.

Jul 10, 2011 | Coleman Powermate Premium Plus 6250W...

1 Answer

"I was welding with a

Your generator is a welder?? Yikes, the 220 volts coming out of the genny is not the same as the 220 volts running a welder, it is, but it isn't, the 220 volts used to run the welder are transformed into DC, in the 50 -150 amp range, the 220 volts coming out of your genny is 220 volts, AC, at 30-40-50 amps. Now exactly how were you welding with 220 volts AC? Remove anything plugged into the genny, check the oil, check the gas, make sure it is fresh, check the breakers, check the fuses, get it running, now don't try to weld with it again. Unless you have a big welder to plug into it and I wouldn't even do that because of the generator spikes. I might be wrong, but I have never seen a genny with a welder on it for home use.

Feb 06, 2011 | Coleman Powermate Powermate 5000W...

1 Answer

I want to make my 110 volt generator into 220 volt

most generators have a 220 volt plug on them from the factory, if it is a small one it might not have the capabilities of 220. If it has the 220 plug then you will just need to wire the proper 220 male end onto whatever you are trying to run.

Oct 25, 2009 | 2003 Yamaha YZ 125

1 Answer

Runs great but will not produce electricity

To flash the excitor circuit on a coleman ( the generator is built by generac) you need a 12 volt battery. You quickly apply 12 volts via your 120vac recepticals. NO MORE THAN ONE OR TWO SECONDS! Then check you ac voltage. Most of the time the brushes are burnt up when voltage is low. Check the brushes first. You can access them by taking the end cap off of the generator via two to four screws. The brush holder is easy to spot, two wires leading to the front of the amature. Hope this solves your problem.

Mar 29, 2009 | Coleman Powermate Premium Plus 6250W...

3 Answers

Low voltage

Most generators use a flyball type governor within the engine to control rpm; also there is a voltage regulator that tries to maintain voltage at about 115v. The voltage regulator varies the voltage to the armature increasing /adjusting magnetic force. Use a meter with htz or freq setting to adjust engine governor to 60 cycles. When the generator is producing 60 cycles, the engine should be turning 3600 rpm, max power range. At 3600 rpm the voltage should be 115 to 120 volts. Loading the generator will cause governor to try to maintain 3600 rpm. Check engine manual for proper adjustment of gonvernor and linkage. The governor mech should last the life of the engine, however governor system does wear out. Expensive repair. enjoy

Nov 26, 2008 | Yamaha Electrical Supplies

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