Coleman Powermate 5000 Generator won't start

Reply

  #1  
Old 10-29-12, 11:30 AM
Member
Thread Starter
Join Date: Oct 2012
Location: USA
Posts: 3
Coleman Powermate 5000 Generator won't start

I have a Coleman Powermate 5000 that I purchased in 2001.

It won't start.

The rope turns the flywheel and I get a backfire.

It has fresh gas, which is making it to the carb, a new spark plug, cleaned carburator.

What am I missing or doing wrong?
 
Sponsored Links
  #2  
Old 10-29-12, 12:18 PM
Group Moderator
Join Date: Mar 2003
Location: NC, USA
Posts: 17,789
You did not say how you cleaned the carburetor. If you did not remove it from the engine and disassemble it, I would do so. Just spraying cleaner at it or down the throat will not do much. You have to clean all the tiny orifices, passages and jets.
 
  #3  
Old 10-29-12, 12:24 PM
Member
Thread Starter
Join Date: Oct 2012
Location: USA
Posts: 3
I removed the carb and cleaned the entire thing.
 
  #4  
Old 10-29-12, 12:41 PM
Member
Join Date: Jan 2012
Location: Canada
Posts: 2,542
Try removing the plug, adding a tiny bit of gas in the cylender head and replace the plug. Should fire and hopefully draw the fuel from the carb.
I think these have a fuel shut off, is it open? I own the exact same model, but can't remember if it has a shutoff.
 
  #5  
Old 10-30-12, 06:54 AM
Member
Thread Starter
Join Date: Oct 2012
Location: USA
Posts: 3
It does have a fuel shutoff but it is open. I checked the flow when I pulled the carb.

I pulled the plug and added gas with the same result, no start.

The strange thing is that it backfires.

So, it looks like it's getting fuel and a spark.
 
  #6  
Old 10-30-12, 10:24 AM
cheese's Avatar
Forum Topic Moderator
Join Date: Jul 2001
Location: USA
Posts: 16,821
Does the engine have compression? The backfire indicates a valve open at the time of firing. Could be a stuck valve or an ignition timing problem (possibly flywheel key).
 
  #7  
Old 10-31-12, 08:36 PM
Member
Join Date: Feb 2009
Location: USA
Posts: 323
I had one of those, does it have the Subaru/Robin engine?

If so, the valvetrain is chain driven and very easy to access. Pull the valve cover and observe the timing marks.

I am with the big Cheese on this one....could you have sprayed into the intake and knocked a piece of crud under a valve?

Backfire is either from the intake valve stuck open or timing is off......both holding the valve open slightly.


Page 23 shows the timing....providing you have the Subaru/Robin engine.

http://www.robinamerica.com/media/ma...3120321250.pdf
 
Reply

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Thread Tools
Search this Thread
Display Modes