Question about Ryobi 30 Cubic Centimeter Gas Brush Cutter

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Disconnected intake hose from gas tank to primer bulb

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is gas line broke or disconnected? Either way it has to be reinstalled.First, get new gas line, and be sure to get it longer then you need, because, you will need to cut a sharp angle on one end then install this end into gas tank, then reach thru gas cap opening with needle nose pliers, get ahold of fuel line and pull thru. if you do not cut angle on new fuel line, you will never get the line into gas tank.




Posted on Apr 29, 2010

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It does not start


During maintenance or replacement of the hoses it is easy to swap the hose connections at the primer. The center connection from the primer connects to the return hose that connects into the tank. The feed from the carburetor connects to the side connection of the primer bulb.

If the tank is full it can fool you as you prime because the return line to the tank that is full can be a pickup of unfiltered fuel and bring debris and air into the carburetor.

The primer pulls the fuel through the carburetor purging the air out. Usually seven strokes are recommended. You can observe through the primer bulb the air as it is purged resulting in no air left in the primer or carburetor..

Dec 22, 2015 | Poulan Garden

1 Answer

I changed the primer bulb on my echo srm-210 trimmer but it will not prime fuel in the bulb. The grummet the three lines go thru on the gas tank is not sealing the lines tight. Is this the cause?


If there is adequate fuel in the tank to completely cover the fuel filter than I expect the bulb to pull the fuel through the carburetor.

If you are able to determine the fuel intake hose (the hose that connects to the filter in the tank) to the carburetor than removing the hose from the carburetor and close off the inlet connection to the carburetor with your finger,

You should be able to achieve a vacuum that as you stroke the bulb that it eventually stays down and will only return the to the normal position when you release your finger from the carburetor inlet hose connection. This will leak check the bulb and carburetor. If this is successful drawing a vacuum than there is most likely a leak in the hose between the filter in the tank and from where you had disconnected the hose from the carburetor. Lowes and home depot provide a kit with a wire that snakes through the grommet allowing for this hose to be replaced..

If you cannot achieve a vacuum than the one way valves in the bulb prime are defective or an air leak through a check valve, metering diaphragm or fuel pump. A carburetor repair/replacement is likely

Nov 26, 2015 | Echo Garden

1 Answer

McCulloch 28cc Gas Blower MB3200, it doesn't appear to be getting gas from the lines INTO the carb... You can pump the primer bulb but it WILL NOT push it into or out of the carb... Any help???


The primer should pull fuel out of the carb, into the bulb and dump it back to the tank, if the fuel filter in the tank is blocked, or the fuel hose is split no fuel will enter the carb, so the primer will not fill, replace the filter and the fuel hose.

Jun 01, 2011 | Garden

1 Answer

I had to replace the primer bulb on my saw , when I started I found the hoses were all dry rotted and crumbled , I know one hose goes from the bulb to the carborator, the other hose goes from the gas tank...


One line from the tank (that has a filter on the end in the tank) is the main supply to the carburetor. The other line in the tank has no filter and is the outlet side of the primer pump. There is also a line between the carburetor and the primer inlet side. The primer is supposed to **** fuel from the tank, through the carburetor and back to the tank. The main supply line is usually a little bigger than the primer pump lines. The tank should be vented through a separate screened hole or a vented tank cap.

Aug 27, 2009 | Garden

2 Answers

McCulloch Chainsaw carb not getting fuel


This is the same problem I have with a Mac 3200. I have: (1) A line from the primer bulb to the front port on the carburator. (2) line from fuel tank, with attached fuel filter, to the other primer bulb port. (3) Line from port on back of carb. to ????. I thought it must be a pulse line, but not certain, and don't know where to run it to. Please let me know when you find out.

Aug 13, 2009 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

1 Answer

Primer pump rotten need replacement show parts page


The hoses run through a hole into the gas tank, they are fitted with a filter inside the tank. Drain the tank, and manipulate the hose end to where you can grab it throught he filler hole, Remove the filter, run new gas lines into the tank and through the filler hole to replace the filter, reattach to the carburator. The primer bulb should have 4 small screws attaching it to the carburator. Remove the screws, place in new primer bulb, and you should be back to trimming asap.

Jul 06, 2009 | Garden

1 Answer

There are two hose/line openings in the gas tank of my Ryobi 410r cultivator. Where and which do these two lines go to? Which of them goes to the primer bulb? Also, there are two lines to/from the primer...


IT SOUNDS LIKE A TWO CYCLE ENGINE TO ME. THE HOSE GOING TO THE PRIMER BULB GOES TO THE HOSE THAT SITS ON THE TOP OF THE TANK AND DOEST GO IN FAR AT ALL AND IS USUALLY THE BACK. THE OTHER HOSE GOES IN THE NID PART OF THE TANK OR THE PART THAT THE GAS IS AT ITS HIGHEST POINT IN THE TANK WHEN THE UNIT IS IN THE POSITION MOST LIKE IT IS WHEN IN USE USUALLY THIS HOSE HAS A SMALL FILTER IN THE TANK. THIS SYSTEM OPERATES ON PRESSURE. WHEN YOU PUMP THAT BULB, IT PRESURIZES THE TANK FORCING GAS UP THROUGH THE OTHER LINE TO THE CARB. IF YOU ARE SYING THERE IS A 3RD HOSE HMMM, THAT PROBABLY GOES TO THE MIDDLE PART OF THE CARB
REGARDS

Jun 30, 2009 | Ryobi Cultivator

2 Answers

Fuel hose routing problem on a Mac 3200 Chainsaw


This post helped me with my McCulloch Mac 3216 chainsaw. There are two holes in the gas tank - one above the other. One is for the gas line (with the filter on the end) and the other is for the overflow - a simply line that runs from the "out" nipple on the primer bulb into the gas tank. The filtered fuel line goes to the nipple on the back of the carb. Another short line goes from the "in" nipple on the primer bulb to the nipple on the front of the carb.

There are two notches just out from the two holes in the gas tank for holding the lines that go in -- this may help you locate the holes.

I found it helpful to pull the lines that go into the gas tank out through the gas cap hole and leave them hanging out until the housing was reassembled. I also left the lines that plug into the primer bulb hanging out through the hole where the bulb goes until the housing was put back on. Leave plenty of extra line for the lines going out to the primer bulb. Once the housing is in place, cut the lines to the primer bulb and attach them, and slip the lines into the tank, making sure the ends are as far down in the tank as possible. You will need this extra "slack" to work with the housing to get it back on.

May 30, 2009 | McCulloch Garden

1 Answer

Mcculloch gas chain saw / 3200 changed fuel hoses due to rot


The line from carb goes to bulb inlet, the bulb outlet goes to tank. Line with filter goes to carb inlet.

Mar 21, 2009 | McCulloch 26cc Gas Blower Mcb3208

4 Answers

Replacing a fuel line for a Poulan 2175 type 2 chainsaw


Take top cover off(3 screws). Take off the 2 nuts holding the carb on. Pull carb part way out to access the hoses. Remove the 3 old hoses after making a diagram of where they connect. Buy new hoses. Cut one end of the small hose on a bevel, pierce both sides 1/8 th inch from the end with a needle. Thread a thin wire through both holes. Thread both wire ends into the gas tank. Use a hemostat or long needle nose plyers to pull the wires and then hose down into the tank. Attach the weighted fuel filter. The other end of this smaller diameter fuel line goes on the upper nipple on the carb. Take the side cover off (4 screws) to access the primer bulb. Take 2 screws out to remove the bulb which has 2 nipples. The longer nipple connects to the larger diameter hose which goes to the fuel tank. The larger diameter tube has a coupler on the end which is inside the gas tank. It took me an hour to change all 3 hoses.
Bob

Jan 31, 2009 | Garden

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