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Running Like Crap


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#1 BairleaFarm OFFLINE  

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Posted July 12, 2014 - 04:50 PM

The 990 started running rough and died. Did a little investigating and found this...
uploadfromtaptalk1405201804941.jpg
uploadfromtaptalk1405201813477.jpg

Never had a carb fall off while mowing lol.
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#2 sacsr OFFLINE  

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Posted July 12, 2014 - 06:15 PM

At least its a simple fix!!



#3 BairleaFarm OFFLINE  

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Posted July 12, 2014 - 06:28 PM

The plug missing by the filter still be harder.

#4 olcowhand OFFLINE  

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Posted July 12, 2014 - 06:40 PM

The plug missing by the filter still be harder.

 

It's a welch plug.  You may be able to match it up at a parts store.  Just measure the indented hole.  The correct plug will just slip into it.  Then you ping a dent into the plug's center to lock it in place.



#5 BairleaFarm OFFLINE  

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Posted July 12, 2014 - 06:43 PM

I thought that. I wonder how long it's been missing and I just haven't noticed it.

#6 olcowhand OFFLINE  

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Posted July 12, 2014 - 06:45 PM

You know, you might find one of those expanding rubber engine frost plugs that will fit in there.  Long as she's plugged, it doesn't matter what you use.



#7 JDBrian OFFLINE  

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Posted July 12, 2014 - 07:20 PM

 Both bolts are backed off so it must have been hanging there and then vibration or a sudden bump must have caused it to fall off. That's a pretty crude kill switch!



#8 superaben OFFLINE  

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Posted July 12, 2014 - 07:45 PM

Wow, those bolts were loose!

 

I have those welch plugs in stock. They are a bit thinner than your average welch plug. 

 

Ben W.


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#9 Nato77 OFFLINE  

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Posted July 12, 2014 - 11:15 PM

You know, you might find one of those expanding rubber engine frost plugs that will fit in there.  Long as she's plugged, it doesn't matter what you use.

Just maybe don't use a rag though... :smilewink:



#10 MH81 ONLINE  

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Posted July 12, 2014 - 11:21 PM

"We'll, here's your problem, right here!"

Never seen one fall off like that, how the heck was it running at all?
I get the "like crap" symptom with a little play in the throttle shaft, you've got a 1/4" chasm.

#11 T Guiles OFFLINE  

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Posted July 13, 2014 - 01:53 AM

Yup that would do it,you might be running a little lean......I'm glad it will be an easy fix for you  :thumbs:



#12 WNYTractorTinkerer OFFLINE  

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Posted July 13, 2014 - 02:52 AM

Yup that would do it,you might be running a little lean......I'm glad it will be an easy fix for you  :thumbs:

Those Zenith carbs are pretty straight forward..  Hope ya get it fixed in short order!



#13 TAHOE OFFLINE  

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Posted July 13, 2014 - 07:44 AM

You know, you might find one of those expanding rubber engine frost plugs that will fit in there.  Long as she's plugged, it doesn't matter what you use.

 

thats what my dad used years ago, ran for yrs with one



#14 BairleaFarm OFFLINE  

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Posted July 13, 2014 - 08:17 AM

I ran like this until I shut it off. It wouldn't start back. It's missing half the gasket. Hopefully it fell out and didn't get sucked up the intake.

#15 SammyRye OFFLINE  

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Posted July 19, 2014 - 05:14 PM

Had that very same thing happen - the bolts just vibrated loose!  Lock washers fixed that.  The welsh plugs are available - one comes with a carb rebuild kit. 

 

WNYTractorTinker - you mentioned a Zenith carb - I thought these were made by Walbro?

 

Rich


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