Author Topic: mculloch mac 3514 carb fuel line replacement  (Read 621 times)

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Offline 660magnum

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Re: mculloch mac 3514 carb fuel line replacement
« on: July 19, 2014, 05:34:00 pm »
Here again, a picture or two sure would help us help you.

I did one of these about 3 years ago. I cannot remember the details as you mention.

The lines to the tank - The one that just sticks in the tank a little ways and that's all goes to the outlet of the purge bulb. It is a fuel return line.

The line with the filter on it goes to the pump part of the carb. This fitting on the carb is likely within the main body of the carb.

The other fitting on the carb goes to the fuel purge bulb.

The fuel purge bulb has a check valve in it. If you get the lines backwards, The purge bulb will not pump and the engine will never run for it will suck air back though that purge bulb.
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