Question about Husqvarna 28cc Gas Line Trimmer

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Primer bulb will not fill with gas. got trimmer to run but would do so only when choked after a while it just kept bogging down.

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This is normally cause by a bad fuel line that comes from ethonal rotting the fuel line that goes to the bulb...a seperate line can still feed the carb but it makes it really hard to start

Posted on Jul 12, 2010

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Posted on Jan 02, 2017

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I have a Ryobi S430 4 stroke Weed Eater Trimmer. How many times do i pump the choke (primer) to start cold?


Page 4 and 14 of the manual. A choke is just a device that reduces air flow to the carburetor by closing a flap. You don't pump it, you just move it to the full choke position. I think you may be confusing the 'primer bulb' which pumps fuel from the tank to the carburetor.

http://lawnandgarden.manualsonline.com/manuals/mfg/ryobi/s430_ry34441.html

To start a cold engine:
? Slowly press the primer bulb 10 times.
NOTE: After the 7th press, fuel should be visible in the primer bulb. If it is not, continue to press the primer until you see fuel in the bulb.
? Set the choke lever to FULL CHOKE position.
? With the throttle trigger at idle, pull the starter handle sharply until the engine attempts to run. Do not pull the starter handle more than 4 times.
? Set the choke lever to HALF CHOKE position.


ryobi s430 4 cycle weed eater manual Google Search

Mar 20, 2018 | Ryobi 30 Cubic Centimeter Curved Shaft Gas...

1 Answer

Homelite weed trimmer bogs down and smothers out quits running


This could be a number of things. Clogged air filter/fuel filter/carburetor/fuel tank lid breather hole, cracked fuel line or primer bulb, or clogged spark arrestor in muffler. Here's some links that will help to change the bulb, fuel cap, fuel lines, rebuild carb, replace spark arrestor, and troubleshoot.
Homelite Tune Up

Homelite weed eater gas trimmer will not run how to rebuild weedeater...

http://www.repairclinic.com/RepairHelp/String-Trimmer-Repair-Help

Apr 27, 2014 | Homelite Garden

1 Answer

The primer bulb on my Troy-bilt TB20CS will press in but it doesn't feel like it's pulling in fuel. Earlier after filling the gas tank, I noticed a little gas was leaking, and saw that the tube...


Or it could be like mine. I turned it upside down to take the cover off (Troy Bilt) to clean the air filter. Put it back together and the primer won't fill. Also it looked like air was coming into the bulb from the carb. Weird, since it was filling just a minute ago. Turns out the fuel lines in the tank were dry rotted. When I emptied the fuel tank, bits and pieces of fuel line came out along with several washers and a weight that goes on the end of the hose. Looking inside I saw a hose not connected to anything. Pulled it out and it came out in pieces (kept breaking when I'd grab it). That's why it's not connected to anything! Also why it won't prime or start. Probably also why it was getting to where it didn't run very well, and only on the A choke setting. It would cost almost as much to fix as to buy a new one. Bummer. For $90 though, if lasted five years. Maybe if I change the lines earlier on the next one I can even get more life out of it.

Jul 09, 2011 | Troy Bilt 17 Inch 29 Cc Gas Powered...

1 Answer

TRIMMER STOPS RUNNING AFTER A COUPLE OF MINUTES


Check the air filter isn't dirty.
If the fuel line is a flexible type which moves around inside the tank, check it is able to move freely because if you are cutting at awkward angles, the end of the line can end up above the surface of the fuel, **** in air and airlock the line.

The fuel lines may have become airlocked.This can happen if the tank is run dry. If the trimmer has a primer bulb, alternatively press it several times and then try to pull start the engine with choke on. Repeat this several times. The primer bulb should feel spongy and fill with fuel.
You can eliminate this as the problem by fully filling the tank.
Check whether there is a one way check valve on the tank. This vents air into the tank as the fuel leaves for the carburettor. Sometimes particles of dirt can get stuck in this.

Apr 18, 2011 | Weedeater 19 in 25cc Gas Hedge Trimmer

1 Answer

Carburator issue?


Check the fuel line...it may be damaged as well. mine had a small crack in it and it was just replaced and now runs fine.

Jul 11, 2010 | Homelite Mighty Lite Lawn Trimmer

2 Answers

Engine runs then quits


You may have a small air leak at the carb, sometimes found at the bulb primer. This allows the engine to stop picking up fuel due to sucking air into the fuel line. If you re-prime, it will run again for a short period?

Apr 15, 2010 | Garden

1 Answer

Vapor lock


The tank vent is a bronze plug inserted into the tank casting--the caps are not intended to vent. Check the fuel filter for plugging and the condition of the fuel lines and primer bulb. You should be able to fill the bulb with fuel after several pushes of the primer bulb. Have the fuel lines been changed? Hope this helps!

Apr 12, 2010 | Poulan Pro Chain Saw 46cc 20"

1 Answer

My Poulan Pro weed trimmer SM132 does not run. I replaced the primer bulb and spark plug and it ran fine for 10 minutes. Now it will only start with the choke on and dies immediately. It will not start...


The primer does require two lines attached as it is a Walbro style primer. All four SM132 models uses the WT628 Carb. Since the trimmer ran 10 minutes then you have got all the lines connected right. Mostly you got trash in your carb or it simply needs rebuilding as the diaphragm may have pin hole in it or the check valves are worn out. Depending on the age and use of your unit you may also have a sticking piston ring.

Aug 23, 2009 | Poulan Garden

1 Answer

Primer bulb won't re-fill.


Not sure about your particular set-up, but there is usually two fuel lines running from the fuel tank. One goes to the carb and the other goes on a fitting on back of the primer bulb. The primer bulb will have a second fitting with a line going to carb. Sounds like either a clogged or leaking fuel line to me. Hope this helps and good luck.

Jul 11, 2009 | Garden

1 Answer

Primer bulb not filling


Yes, I think the gas cap may be clogged. The gas cap must be able to breath, otherwise this vacuum will occur. Try starting your trimmer and when it starts to choke out, loosen the gas cap. It should get air back in the tank, then and keep running. If this works, clear the hole in the gas cap, or purchase a new one.

Jim

May 03, 2009 | McCulloch 26cc Gas Blower Mcb3208

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