Question about Coleman Electrical Supplies

1 Answer

Onan microquiet 4000 will not turn over. It was running for about 10 to 15 minutes at a time. Sometime even 30 minutes and then it goes dead. After trying to crank it back several times, it was turning over but not cranking. Now it will not turn over. Did I burn up the starter ?

Posted by on

Ad

1 Answer

  • Level 1:

    An expert who has achieved level 1.

    MVP:

    An expert that got 5 achievements.

    Night Owl:

    An expert who has answered 10 or more questions between 12 midnight and 6am on the same day.

    Hot-Shot:

    An expert who has answered 20 questions.

  • Contributor
  • 29 Answers

Sometimes people mistakenly think there's a problem with a carb on Onan 4000 generators. Be sure to ensure the fuel pump is pumping fuel to the carb by pulling the hose off the carb and watching for adequate flow. A faulty electric fuel pump can often only show symptoms or act up after it is warmed up. Sometimes it may run for 10 or 20 minutes and just shut down. Check for fuel flow immediately upon stalling if this is your symptom. Mine would shut down after 20 minutes and not restart for awhile. I pulled the hose off the carb immediately and noted there was no fuel in the line and it would not pump fuel while holding the start switch on either. If you are mechanically savvy you can disconnect the hot wire the positive wire (red) leading into the fuel pump and connect it with 12 V and see if it pumps fuel out the hose also, but be careful to capture the fuel coming out the hose). Once cooled down it pumped fuel in a weaker than normal stream, but when hot after 10 or 20 minutes it quit pumping causing stalling of the generator. Replaced the fuel pump (and new filter while at it) and everything worked fine again on my 1995 Onan. Much stronger fuel stream noted too from the hose.

Posted on Aug 25, 2017

Ad

3 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
New users get 2 Free calls (no credit card required) and instant help on almost anything you can think of (from cars to computers, appliances, handyman, and even pets).
click here to download the app (for users in the US for now) and get all the help you need.
Goodluck!

Posted on Jan 02, 2017

Ad
  • 4 Answers

SOURCE: what dose code 48 mean on an Onan Microquiet 4000

I assume it is a ky spec j-l. It is a field sense fault. The controller is not sensing the field voltage. Check for broken wires or replace controller.

Posted on Aug 12, 2009

  • 73 Answers

SOURCE: Onan Microquiet 4000 starter will spin but not turn engine

bendix is actual the spring that pushes the gear back out of the ring gears engagement your issue is more likely a rusted /corrodied incline engagemnt gear a little lube will probably bring ti right back (do not us WD_40) this is not a lubricant it is an anti lubricant any light oil will do Good Luck

Posted on Oct 23, 2009

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

2 Answers

Onan 4000 Microquiet shuts down after running for 20-30 minutes. If I direct 2 high power (400+ CFM) fans to the underside of it -it will keep running indefinitely.


check the current draw from the machine
being a 4000 watt machine if you are drawing 4000 watts it is overloaded as that is the surge power available not constant power which is around 3500 watts
that would account for the requirement of fans to keep it cool
even if It is not 4000 watt what ever capacity it is it is running in an overload situation

Jul 10, 2016 | Onan Microquiet 3600 & 4000 Generator

1 Answer

Onan 4000 won't turn over


check for bad battery, loose terminals ,dirty terminals , faulty starter relay
if it is not starting check for oil level is correct ( low oil level sensor turns off ), diesel -air in system

Jun 11, 2016 | Onan Microquiet 3600 & 4000 Generator

1 Answer

Onan 4000 microquiet generator


Check the ignition circuit, and trigger coil for correct resistance on the trigger coil, and the ignition coil. The trigger coil is a small module on the engine shaft near the flywheel.

Jan 31, 2015 | Onan Microquiet 3600 & 4000 Generator

1 Answer

Onan generator microquiet 4000


Check the pickup tube in the vehicle, the fuel pump is suspect. If you check the fuel pump pressure and it is ok, then try installing a test check valve between the fuel delivery hose to the generator. If it solves the problem the pump is losing it's prime internally, so replace the fuel pump.

May 24, 2013 | Onan Microquiet 3600 & 4000 Generator

1 Answer

Onan 4000 generator has no spark


If there is no spark, the ignition module may be bad, or the wiring to it. Have the module ohmed out. Also the magnetic trigger assembley that is on the rotor that sweeps past the ignition module maybe broken. If they check ok, suspect the control board

Mar 23, 2013 | Onan Microquiet 3600 & 4000 Generator

1 Answer

I have a Onan Microquiet 4000 in my Motorhome. It sat for a while and then I was unable to start it. I took off the carb and thoroughly cleaned it. The generator fired right up after that, it runs great...


Sounds like the float is out of adjustment, it's not keeping the bowl filled.If the float is not at correct height or the bowl was not placed back in the correct position it could show these symptoms , some bowls have a small indent on them and that recess should clear the float for proper movement of float. Or check to make sure that you have no water in fuel tank. Good Luck...

Mar 31, 2011 | Watts Onan Portable Generator - 4000 ,...

1 Answer

Onan Microquiet 4000 starter will spin but not turn engine


bendix is actual the spring that pushes the gear back out of the ring gears engagement your issue is more likely a rusted /corrodied incline engagemnt gear a little lube will probably bring ti right back (do not us WD_40) this is not a lubricant it is an anti lubricant any light oil will do Good Luck

Oct 12, 2009 | Electrical Supplies

3 Answers

Onan MicroQuiet 4000 Generator


Remove the air cleaner and inside near the throat of the carb is two bolts holding the carb to the intake remove these. Unhook the fuel line and twist the carb to allow the linkages to remove.

Sep 14, 2009 | Watts Onan Portable Generator - 4000 ,...

1 Answer

Onan microquiet 40000 in toyhauler ,runs for 15minutes and off


Take and locate the oil pressure switch and try bypassing it,if that aint it check fuel filter and pump.

Jul 22, 2009 | Watts Onan Portable Generator - 4000 ,...

Not finding what you are looking for?
Electrical Supplies Logo

Related Topics:

352 people viewed this question

Ask a Question

Usually answered in minutes!

Top Coleman Electrical Supplies Experts

John Trevino

Level 3 Expert

1388 Answers

Shawn DuRee

Level 3 Expert

355 Answers

Phil Walker
Phil Walker

Level 3 Expert

608 Answers

Are you a Coleman Electrical Supply Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...