четвер, 30 червня 2011 р.

Ryobi 790R string trimmer - Tool Shed Forum - GardenWeb

welcome steve, I would first check the fuel filter connected to the hose in the bottom of the fuel tank. I would also inspect the fuel inlet hose (Bottom one) and the fuel return hose (top one) for any cracks or colasping providing you don't have any loose screws that mount the carb. diaphram end caps, or crank cover.

Fuel hose and filter will cost you around 6 bucks if they are bad. see if that helps, Fresh gas usually don clean all the crud in the bottom of the tank I would also remove and clean out the gas tank.

If that don't work the next problem usually the diaphrams get stiff and quite pulsing thus the fuel won't flow. First I would try just to clean the carb. by taking the end plate off and spraying carb. cleaner down all the little passages.

If that don't work you will most likely have to spring aobut 8 bucks for carb. kit, if you go that route make sure you get the numbers off the carb.

I guess you probably have a zama carb. Try this web site for alittle help on putting the carb. kit in or just wanting to know how the carb works there is also a troubleshooting logic in the download also. http://www.zamacarb.com/tips.html

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