Re: Primer ball won't get hard. Why? here
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Re: Primer ball won't get hard. Why? here
Re: Primer ball won't get hard. Why?
Re: Primer ball won't get hard. Why? [links]
Re: Primer ball won't get hard. Why? here
They are crummy primer bulbs. I have two of them and neither one is worth a hoot. They never do get firm, but the motor starts and runs OK anyway. Hold it so the arrow points straight up while you squeeze it. Someday I'm going to go get a real one from a dealer. [links]
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Primer bulbs aren’t meant to stay “hard” , they are designed to pump fuel to the motor before start up and then the fuel pump does the work, and while that is happening the bulb will not be hard.
When the primer bulb isn’t working, it may be a problem with the bulb itself, with the fuel lines that feed fuel to the bulb or both. … The same goes for fuel lines. When they’ve hardened and cracked, they let in air, which makes it impossible to draw the fuel into the carburetor properly. [links]
The priming bulb on your Weed Eater supplies fuel to the carburetor when the engine is cold. … That’s because the collapse, which may be due to the bulb itself, can also signify a blockage in the line leading to the bulb from the fuel tank. The cause is often related to gummy varnishes left by old fuel.