Walbro 537 668A Carb Problem  
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Walbro 537 668A Carb Problem - 6/26/2008 4:41:17 PM   
DRIVERPL


 

Posts: 4
Joined: 6/26/2008
From: Wloclawek, POLAND
Status: offline 		Hi all! From above, sorry for my bad english, but I hope all members will understand me. But I pass to topic. Copule days ago, when I try to start my G230RC engine, in my Carson Attack, he just won't start. I remove spark plug, plug was dry. So I check my carb, spread it, and clean with resolvent, and air compressor. I compose carb with scheme, so it composed correctly. And now the fuel don't even reach to fuel pump. I toke my carb to local small engines shop, the guy in there spread the carb again and see it. He tell me, the carb is ok, and toke the carb on backup and check the compression. He tell me, the compression is good. He didn't know why the fuel don't reach the carb. I try to clean it again, and again. I even try to pump fuel to carb without fuel filter, I check fuel lines, and it ok. I really don't know what is problem with this carb. I need help with this, so please all to write that all what can be helpful. Thanks in advance.
       Post #: 1

RE: Walbro 537 668A Carb Problem - 6/26/2008 5:16:59 PM   
The_Collector



Posts: 1041
Joined: 7/7/2005
From: Reading, PA, USA
Status: offline 		Possibly the pump diaphragm is hardened, or a bad diaphragm gasket could be the problem. Another thing to check is the valve in the metering side of the carb getting stuck, keeping fuel out.

< Message edited by The_Collector -- 6/26/2008 5:17:49 PM >


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RE: Walbro 537 668A Carb Problem - 6/26/2008 5:32:04 PM   
DRIVERPL


 

Posts: 4
Joined: 6/26/2008
From: Wloclawek, POLAND
Status: offline 		The diaphragms is ok. I think only this valve may be the problem, but it looks good. But anyway, thanks for reply.

EDIT: I just try to pump fuel without this valve. But it don't bring result. Please keep posting.

< Message edited by DRIVERPL -- 6/26/2008 7:14:49 PM >

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RE: Walbro 537 668A Carb Problem - 6/27/2008 2:09:47 AM   
The_Collector



Posts: 1041
Joined: 7/7/2005
From: Reading, PA, USA
Status: offline 		Can you make fuel go through the line when disconnected from the carb?


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RE: Walbro 537 668A Carb Problem - 6/27/2008 2:34:04 PM   
DRIVERPL


 

Posts: 4
Joined: 6/26/2008
From: Wloclawek, POLAND
Status: offline 		Yes, the fuel is proceed in fuel line, but I think this was the problem. I buy new fuel lines in pet shop. Fuel now reach the carb! But my fuel can isn't hermetic, I must fix it. And I think the eninge will work.

I'm very grateful for you help! Best thanks and regards! But please don't close topic yet.

(in reply to The_Collector)
       Post #: 5

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