Primer bulb not filling up with fuel

Carb has been blown out with air new diaphrams and gaskets. Luckily there are some fixes if your bulb isnt filled with gas.

The reason could be that the fuel line is the wrong size and is not fitting tightly enough or that the line with the filter isnt submerged in the gasoline in the tank.

Primer bulb not filling up with fuel. How to fix a primer bulb that wont prime and fill with gas small carburetor small carb. Blower lawn mower weed eater trimmer. Sometimes the primer bulb may malfunction and end up not filling all.

This also means that it wont be able to transfer fuel to the carbonator like it is supposed to. This may disrupt the machine and stop its proper functioning. Primer bulb wont fill with gas when pressed.

I hear a little squeak. Blower is only a year old. Bulb is not cracked or broken.

I cleaned the carb but still doesnt work. Ill do all I can to help. Is there anything else the Small Engine Technician should be aware of.

The blower started just two weeks ago. Stihl string trimmer primer bulb doesnt fill - reason. If playback doesnt begin shortly try.

The primer bulb sits in the middle of this return line on most chainsaws. Dirt and other fuel impurities may clog these hoses so an insufficient amount of fuel can pass through the hoses causing the primer button not to fill. Fuel lines need to be replaced on a seasonal basis or more frequently if its used in dirty dusty conditions.

If you are pressing the primer bulb and it returns to the original position but does not draw up gas into the fuel line then you probably have an air leak in the intake line. The reason could be that the fuel line is the wrong size and is not fitting tightly enough or that the line with the filter isnt submerged in the gasoline in the tank. So should primer bulb fill with gas.

In short yes it should. The primer bulb creates a vacuum when it gets pressed. This pressure then forces the gasoline to enter the carburetor.

So if it isnt getting filled with gas its not seating properly or discharging air. Luckily there are some fixes if your bulb isnt filled with gas. Unable to prime-bulb wont firm up To troubleshoot you may try placing the origin end of the fuel line removed from the fuel tank into a can of fuel and place the destination end of the fuel line removed from the fuel pump into an empty can and see what happens when you squeeze the bulb.

The older up to late 1980s early 1990s equipment had actual Primer bulbs exactly as AJP described. You push the bulb and fuel squirts into the venturi. It is easy to flood the units.

If you have this system you may or may not have fuel in the bulb. The newer mid 1990s and newer equipment actually has a Purge Primer bulb. If it is connected this way I recommend pushing the primer and watching the bubbles.

The fuel should flow from the tank to the carburetor. Then from the carburetor to the primer and back to the tank. If the lines are connected correctly and the fuel will not flow this way I recommend replacing or rebuilding the carburetor.

Pour a thimble full of fuel into the hole the spark plug came out of. Quickly install the spark plug and pull the starter rope or engage the starter. The engine should try to start.

This would tell you there is a spark and the engine will run if you get fuel. If the engine doesnt try to start pour another thimble full of fuel into the cylinder. Carb has been blown out with air new diaphrams and gaskets.

You should have fuel in the bulb when running. If you do not the check valve in the primer is bad. It is essentially not seating and drawing air in through the discharge port.

Then there is the other style that is a little more complex but. Check the pipes from the primer to the fuel tank are not deteriated in the fuel tank. If they are you will need to replace the fuel lines.

I have same problemthe fuel lines had perishedsucking air inreplace. I tried in vain to fix my 210 been a mech engineer for 27 years in the end to my dismay i had to give up. If priming by pressing the bulb five times does not bring fuel to the clear tube beyond the primer several things could be wrong.

Inspect the clear tube at the output of the primer bulb. If gas is present in the tube the system may be flooded with gas already. Pressing the bulb only sends more gas to the carburettor.

Primer ball wont get hard. Sometimes you just need to get it primeddisconnect from the engine sidesqueeze then place a finger over the end that goes to the engitlet it expand then remove fingersqueeze again doing the same thing should start to pull fuel after doing this a few times you will feel itor you could have a problem on the tank side. 2 Cycle Blower Primer Bulb Not Filling.

I have the Ryobi BP42 back pack blower and when I press the primer bulb it does not fill up with the gasoil mix. I have checked the air filter and yes it does look dirty ordered a new one and have removed the hoses from the gas tank. If I press the primer bulb the hose connected to it does suck in air.

If the new carb actually is NOT drawing fuel then there probably is a stuck check valve in the Idle Circuit or the Main Nozzle. These are very small and unlike the one under the bulb. A valve stuck open causes this and the primer cannot produce the.

Once the main issues with squeeze bulbs are understood they are relatively easy to troubleshoot and fix. First check the bulb for aging loss of elasticity or cracking. Then check for leaks in the hose connections including the fitting on the tank.

When the primer bulb isnt working it may be a problem with the bulb itself with the fuel lines that feed fuel to the bulb or both.