Got a homelite ut 15039a (weedwacker with blade st 185)
The diagram shows 2 holes in the fuel tank and the one I was given has only one hole and i am thinking i need to drill another hole for the other fuel line to go into the tank. (when i press the primer bulb gas just shoots out the other fuel line and there is no place for it to go. .any suggestions?
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Hopefully this diagram will transfer.
1. Remove fuel clean fuel tank and check fuel lines for breaks or holes.
2. Clean or replace sparkplug.
3. Clean screen item no. 4 in muffler
4. Clean or replace air filter item no. 31
The fuel line in the tank connects to the nipple. It then goes into the small hole in the tank and then the fuel line from the carb connects to the nipple. This line is the line that is attached to the body of the carb, not near the plate.
This is an ongoing issue for users, and rightfully so. 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. Years ago on 2-stroke trimmers, primers were not even used,...you choked the carb with a slide lever and gravity let fuel enter the carb from above...a few pulls, a "pop"...slide it off of choke and away you went. 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.
If you look closely there should be 2 holes in the fuel tank, also if you look inside the fuel tank there should be some remaining pieces of the fuel line and a fuel filter. If this has been sitting for any length of time you will also want to replace the fuel filter.
Now comes the fun... or a challenge
To start with you will need 2 sizes of fuel line ( go to a small engine repair shop) while you are replacing things you may want to buy a new primer bulb also.
to insert the fuel lines into the tank you will have to cut a tapered tail about 2 " long so that you can grab the fuel line with a needle nose and pull them through and out of the tank so that you can trim off the tapered tails. On one install the fuel filter and stick back into the tank, on the other trim the tapered tail off and pull the line back into the tank but leave about 1" sticking through the tank.
Now hook up you fuel lines to the carb and/ or primer bulb
Fill tank half full with fuel ... now test the installation if it doesn't pump fuel but instead you can hear it blow bubbles in the tank it is simple just reverse your lines on the carb / primer bulb
Retest if it works like it should you are ready to attempt to start it... good luck
The hole in the tank is slightly smaller than the fuel line, else it would leak. So.. you can't push it in, you have to pull it in. I use a label tag wire (about 10" long), stick it through the hole and out the fuel cap hole. Snip the fuel line at an angle on the end, punch a hole in it then stick the wire through the line and twist it. Now you can pull the line through the hole.