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Primer not getting gas, bulb lines and filter are good

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I have a Craftsman Weedwacker 25cc 358.791030 that won't start. Primer bulb is not getting gas. Gas line is connected to the filter resting at the bottom of the gas tank. The line for the primer bulb...


that line should be longer, it contains the filter which is the pick up, and should rest inside the tank fully,, see if its possible to pull that line farther into the tank, its not going to start until the primer bulb fills

Jul 24, 2011 | Craftsman Convertible 25cc. Gas Line...

1 Answer

I changed the primer bulb and now it's not getting


sounds like you hooked the lines up backwards, when you press the primer it is supposed to squirt gas into the tank on the return line cause what it does is draw fuel through the carb and back to the tank....filter line from tank goes to fuel pump side of carb and return line on carb goes to primer bulb then opposite line on bulb to tank...... so when you press bulb it draws fuel through filter in tank through carb and back to tank ! good luck! 2StrokeJim

Jun 17, 2011 | Homelite Garden

1 Answer

When i press the primer bulb air goes into the gas tank but no gas goes into the primer bulb.


Check the fuel filter for plugging. Check the fuel lines for decay or other damage. Inspect the primer pump carefully for any cracks or holes in the bulb part. The primer is supposed to pull fuel through the carburetor from the tank supply line and filter and return it to the tank. Hope this helps!

Nov 18, 2010 | Poulan Garden

1 Answer

No gas getting from the gas tank to the carb. replaced hoses and filter already. can not even draw gas with primer button.


You either need a new primer bulb (leaking air) or you have the fuel lines routed wrong. Here is the correct fuel line routing just in case:
Small diameter line out of fuel tank (has filter in-tank on end) connects to the side of the carburetor that has the fuel pump....that is the cover without the hole in it. Other larger diameter fuel line out of tank connects to the longer nipple on the external purge/primer bulb. The bulb "pulls" fresh fuel from the fuel tank to the carb and then out of the carb to itself, where it then pushes any air/old fuel back into the fuel tank. The remaining larger diameter fuel line in this setup goes from the metering chamber (has cover with writing on it and a vent-hole) side of the carburetor to the smaller nipple on the purge/primer bulb. Again, on the primer bulb, the longer nipple has a line going directly from it to the tank. The shorter nipple on the bub has a line from it going to the metering chamber side of the carb.If the purge/primer bulb is on top of the carb...small line from carb body to small hole in tank with filter. Larger diameter line goes from the bulb on the fuel pump side of the carb to the larger hole in the fuel tank where the line is held in place with a nylon nipple connector that keeps the line from pulling out of the tank

Oct 04, 2010 | Craftsman Convertible 25cc. Gas Line...

3 Answers

31cc Poulan Pro Weedeater


Sounds as though the fuel filter may be plugged. The filter is in the tank. Take a look, see if it is visible. Remove and replace. Good luck...Lee

Jul 26, 2010 | Poulan 25cc 2-Cycle Gas Powered String...

1 Answer

Getting my new fuel lines in correctly from gas tank to priming bulb & from gas tank to carb.


on weedeaters,chain saws. most are the same.
line with little filter in gas tank goes to carb. line out of carb to primer bulb
line from primer bulb to gas tank

Jun 24, 2010 | Garden

2 Answers

I need to know how the fuel lines are hooked up in my ryobi gas trimmer. All of the fuel lines rotted out. I took them out and I need to know the correct connection sequences (what goes where).


line runs from little filter in tank to carb.
line from carb. to primer bulb
line from primre bulb back to gas tank.
lines are 2 sizes
need to cut at angle end of lines in tank so you can get them thru holes
and grab with needle nose plyers and pull them thru.
make sure you put the little filter on end before you pull line thru and leave
enough so filter can move around the whole tank.
second line in tank is smaller and need to cut and pull it thru hole in tank to primer bulb

Jun 23, 2010 | Ryobi 30 Cubic Centimeter Curved Shaft Gas...

1 Answer

I have a poulan 2450 chainsaw and i can't get the primer bulb to **** any gas, the bulb is in good condition however there is gas leaking out of the gas cap in the center of it, do I need a new gas cap and...


You may be overfilling the tank somewhat so that expanding fuel (from engine heat) is being pushed out of the vent. Check the fuel filter for plugging and all of the fuel lines for any rot, splitting, or other damage. The primer bulb is supposed to pull fuel from the fuel filter, then through the carburetor and on to the primer which should push the excess back into the tank through another line. If the above does not allow the primer to pump fuel, then dismantle the carburetor, clean with carburetor spray cleaner, and rekit it. Go to: http://www.drystacked.com for a 12 page article on Walbro brand carburetors--theory and troubleshooting. This information applies to most brands of carburetor. Hope this gets you running!

May 31, 2010 | Poulan Wild Thing 2375 18" Gas Chain Saw...

2 Answers

McCulloch 3216 fuel primer and gas tubes routing?


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Fuel Line Replacement by SmallEng.com
http://www.youtube.com/watch?v=JrXpU70Hmi0
  • The hose in the tank with the filter on the free end connects directly to the carburetor input connection.
  • If the saw is equipped with a primer bulb, the output line from the carburetor connects to the suction side of the primer (once the bulb is collapsed it draws fuel from the tank through the carburetor to refill the bulb as it inflates).
  • The pressure side of the primer returns displaced fuel to the tank as it is depressed.
Take lots of notes and a few digital photographs will help with reassembly. HTH
Lou

Nov 01, 2009 | McCulloch Garden

1 Answer

Primer bulb won't prime


it sounds like the filter on the fule line is cloged try to remove the filter and then try to prime the trimmer. it it does you need to replace the filter. just about any filter that will fit will do.

Jun 05, 2009 | Troy Bilt Tb70ss Gas Trimmer

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