Question about Coleman 1850 Watts Generator Each PM0401857

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Coleman model 1850 runs but does not produce electricity

Engine runs fine but no electricity output

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 195 Answers

SOURCE: Coleman Powermate 5000 no electricity, runs fine

Hello;
Take a look at your outlets. Some of these units use pretty cheap outlets and short out. You will know if it is bad when you look at it. Hope this helps.
Thanks;
Rich
RPM Northwest

Posted on Jan 23, 2009

jan mczeal
  • 632 Answers

SOURCE: engine runs fine but no electrical power to the outlets

check field exciter..check fuses also if there are..

Posted on Jun 19, 2009

  • 1 Answer

SOURCE: I have a Coleman Vantage 3500 motor runs no generator output

This sound like a loss of residual magnetism in the generator. The field will need to be "flashed".This is also known as re-exciting the field of the generator.
The Coleman manual gives these steps:
1Use a 6 Volt lantern batters (dry cell) or a 12 Volt automotive battery.
2.Disconnect all loads from generator.
3. Remove the brush cover (that's the rectangular plastic cover on the end of the generator.)
4. Plug a lamp or light into the generator before starting the engine. The light will illuminlate when ?Voltage has returned.
5. Start the engine with no load connected to the generator.
6. Attach the "-" lead of the battery to the negative brush. Very briefly touch the "+" lead of the battery to the positive brush. Remove as soon as Voltage builds up.

Posted on Oct 09, 2009

sal_kh_sab
  • 98 Answers

SOURCE: coleman powermate 1850 also no output

the most comon problem...i've already answerd it like 11 times...
1-check wireing and brushes.
2-then check AVR card..

don't hesitate to write to me for further information:
sal_kh_sab@yahoo.com

Posted on Oct 16, 2009

  • 905 Answers

SOURCE: i was running two sawzalls on my pmo43350 coleman

You may have overloaded it, and it may have been damaged.

Check your circuit breakers first. If there was an overload, they should have tripped if overload was long enough in duration and high enough in capacity.

If the breakers are good, then check your diodes and capacitor regulator in the end of the alternator. While you are here, check your brushes as well.

Do you have a manual for your generator?

Posted on Jun 26, 2010

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My coleman 5000 generator with a briggs & stratton engine started just fine after years of colecting dust in the shop. After we let the generator warm up we applied a load and found out there is no...


Without knowing the exact model generator you have, it may not even have an automatic voltage regulator (AVR). Colemans were known for losing what is known as "residual magnetism", especially when sitting for long periods of time without use. This residual magnetism is necessary for exciting the field to produce electricity. Here is what you can try: Plug a 110v drill into one of the 110 outlets. While the engine/generator is running, with an open hand (not fingers wrapped around it) spin the chuck while holding the drill trigger in the run position. Many times this small amount of current that will be produced by spinning the drill motor will restore the residual magnetism and excite the field. Keep in mind that if this works, the drill motor will begin to spin immediately since it is plugged into the outlet. Hope this helps.

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Due to vibration, it is very common for 1 or both of the wires to fall the switch. Also, due to placement of the switch, it can also fail due to water running down the inside of the generator housing as well.

May 13, 2010 | Coleman Sport 1850 Generator

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The lack of DC output COULD possibly prevent the stopping. There are likely fuse(s) between the low voltage winding and a rectifier to generate the DC. SOMETIMES these are even inside the generator cover.

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Coleman powermate 1850 also no output


the most comon problem...i've already answerd it like 11 times...
1-check wireing and brushes.
2-then check AVR card..

don't hesitate to write to me for further information:
sal_kh_sab@yahoo.com

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I bought a replacement recoil starter for my 1850 at Pats small engine parts. The part number for a 3.5 B & S is 499706. If you look on the heat shield on the side of the motor there is the engine model and s/n. Hope this helps.

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Coleman 1850 sport, no/ low generator output


Hi,
The engine should run at 3750 rpm at no load. If that's OK then you may need to troubleshoot the capacitor inside the end of the generator opposite the rope. Since the thing has been stored for some time you may just need to flash the field of the generator to restore the residual magnetism in the rotor. The easiest way to do this is thru the 110 outlet but it's a little dangerous. Plug an old lamp cord into the outlet, start the generator, and momentarily connect a 9 volt dry cell to the wires, then shut the generator down and see if there is 110 when you restart it.
Regards,
Carl

Feb 19, 2009 | Coleman Sport 1850 Generator

1 Answer

Coleman 1850 no/low generator output


Both the Hz and the voltage will be wrong if the engine speed is low. You need to use either a DMM with a HZ function to set the engine speed so that you get 61.5 Hz at no load, or use a tachometer to set the no load speed to 3750 rpm.

Carl

Feb 19, 2009 | Coleman Sport 1850 Generator

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