Question about Craftsman 25cc Gas Line Trimmer

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Maxi trim flymo carburetor fuel in/out which is which

Primer has fat and slim input output but not sure which connect to which on carburetor

Posted by Anonymous on

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6ya6ya
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Posted on Jan 02, 2017

bustech17
  • 38 Answers

SOURCE: I need a primer bulb for a CRAFTSMAN GAS HEDGE TRIMMER model 358795660. Sears doesn't sell just the primer bulb. You have to buy the entire carburetor. Can you find me just the bulb?

As far as I can tell your machine has a Zama carburetor on it. The Zama part number is 0057025. Any small engine repair shop that deals with two stroke engines can get you one. You can get it online but the price for the bulb is about $1.50 and the shipping would be around $3.00. I would check with your local dealer first.

Posted on Sep 23, 2012

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1 Answer

Diagram of fuel lines from tank to primer to carb and back to tank for a poulan 2050 chainsaw.


clip_image002.gifFuel components are onthe "Engine Assembly" & "Handle, Chassis, & BarAssembly" detail pages.
Replacement fuel lines can be found at yourlocal chainsaw seller/mechanic. They are different diameters.

Fuel Line Replacement
  • 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.
2_3_2012_12_23_25_pm.gif

Feb 21, 2011 | Poulan P3314 14" Gas Chain Saw 2.0 Cuin...

1 Answer

I am replacing a primer bulb in a chainsaw and the lines are gone so i need to find out which line goes where


Leave both primer ports open, then attach the fuel line that feeds the carburetor from the fuel filter to one of the primer ports--pump the primer and if you guessed correctly, it should pump fuel into the primer bulb. That is the primer port that goes to the carburetor output connection. The other primer port connects to a short line that goes back into the fuel tank with no filter. Return the original feed line back to the upper carburetor port. Connect the open primer port to a short line that connects to the carburetor lower port. Be sure to use original rubber lines, not plastic. Hope this helps!

Jun 22, 2010 | Garden

1 Answer

Poulan P3400 Chainsaw Fuel Line Routing


If the saw has a primer bulb, then you require one line from it's output out to the tank return. Another line runs from the carburetor outlet to the primer inlet. Make sure that you use original rubber lines, not plastic replacements. The primer ports are found by trial and error--hook the filtered line directly to one primer port and leave the other port open. If the bulb is in good condition, and correctly connected to fuel, the bulb should fill with fuel after several pumps. If nothing, reverse the port connection at the primer--and pump test again. One of these two connections should allow pumping to occur. When you get pumping, install the tank return line to the empty primer port. Remove the filtered line from the primer and install on the carburetor. A new piece of line runs from the now empty primer port and connects to the output port on the carburetor. If the carburetor lines are correct, you should be able to pump fuel through the carburetor body and out to the primer bulb. If nothing happens, you may need to swap the carburetor lines, and you will likely need to service the carburetor. Hope this helps!

May 25, 2010 | Garden

1 Answer

My flymo maxi trim 430 fires but won't run and just dies after a few seconds


If you have some starting fluid spray, a little into the carburetor and see if it runs. If it comes up but then dies, there's a fuel supply issue. Check for leaks in the tubing, a plugged fuel filter and be sure your carburetor is securely fastened to the motor. Any leak keeps it for sucking the gas into it. Your gas tank needs to have a vent to let the air in to replace the gas coming out but it usually takes a while for this to kill the engine so it'd be last on my list. Good luck.

May 02, 2010 | Garden

1 Answer

How to change the fuel hoses


Typical Fuel System (Primer Bulb and fuel lines may not apply)
http://www.fixya.com/support/r3706813-2_cycle_fuel_system_repair
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, an 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 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 to help with reassembly. HTH
Lou

Dec 26, 2009 | Poulan Garden

1 Answer

Chain saw, there is a line from primer to the carb, then what? I cant tell if coming out of the carb it goes back to primer or in the fuel tank? Then should there be a line from fuel tank to the primer?


Similar to this, typical fuel system.
32951b8.gif
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, an 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 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 to help with reassembly. HTH
Lou

Dec 19, 2009 | McCulloch 10" Electric Pole / Chain Saw

1 Answer

Has Ryobi RCS 3535A chainsaw a fuel bulb priming


The numbers you supply don't cross to an operators manual but that is typical of Homelite/Ryobi. I'm going to make an educated guess that it does not have a primer system. Other Ryobi saws with primer systems include it in the specification. The 3535A does not. Close scrutiny reveals no primer.
IMO fuel primers on chainsaws are one more source of problems. In the USA ethanol additives attack fuel hoses. Without a primer routing is from the fuel tank directly to the carburetor and much simpler to replace. Primers on chainsaws operate differently than 4 cycle engines too. No fuel is injected into the carburetor or engine, its only purpose is to ensure the carburetor is full of fuel,
Typical Fuel hose routing:
  • 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, an 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 as it inflates).
  • The pressure side of the primer returns displaced fuel to the tank as it is depressed.
bfe8bfa.gif
HTH
Lou

Nov 14, 2009 | Ryobi 18-inch Electric Chainsaw Chain Saws

1 Answer

Need diagram for fuel line


Try this, Typical system, a helpful video and a few of my notes:
6b56886.gif 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 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 to help with reassembly. HTH
Lou

Nov 14, 2009 | Homelite Garden

1 Answer

Replace gas line poulan-4000 chain saw


Typical fuel system:
9803f93.gif 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 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 to help with reassembly. HTH
Lou

Nov 07, 2009 | Poulan Pro Chain Saw 46cc 20"

1 Answer

What fuel lines go where on a craftsman chainsaw model 358-360260 / 16 inch bar? It will not keep running. I may have the hoses crossed.


76b98d5.gif
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 to help with reassembly. HTH
Lou

Nov 02, 2009 | Garden

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