25cc Gas Line Trimmer
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The (clear) fuel intake line runs from the top of the carburetor (straight nipple) and goes to the short post on the back of the primer bulb. The return line (blue) comes from the long post on the back of the primer bulb and goes into the bottom of the fuel tank.
The return line should direct fuel close to the bottom of the tank and away from the pickup.
Metal, Rubber, Braided, or PTFE Lined
Fuel Lines can be made from many different materials. If you plan to race, be sure to check the rule book for your track or sanctioning body. Using the right material the first time will save you time, money, and headaches.
The main colors used in ISO 14726 are as follows:
Blue – Fresh water. Brown – Fuel. Green – Sea water. Grey – Non-flammable gases.
CRAFTSMAN String Trimmer Line, 0.08-Inch, 3-Pack, 20-feet, Twist line (CMZST0803) Amazon`s Choice highlights highly rated, well-priced products available to ship immediately.
If this cap is broken or worn out over time, it can malfunction, causing too much line to feed out when you bump it. Depending on its damage, it could be getting hung up as it tries to return, allowing the line to continuously advance. To replace it, simply remove and replace the bump cap with a new one.
Most styles and weights are interchangeable, so you can use non-OEM (original equipment manufacturers) line. However, larger/heavier line may not fit every string trimmer.
Line Diameter
A larger diameter will increase your cutting power and durability against thicker grasses and weeds. A lighter weight should be used on areas where there are a minimum of weeds. However, each trimmer can only handle a certain line diameter, check your owner`s manual for model specific recommendations.
Light: 0.065- to 0.080-inch line is best for trimming grass around the house and whacking down common lawn weeds from around driveways, walkways and fences. Medium: 0.080 to 0.110-inch line is best for homes with larger lawns, or gardens overgrown with weeds that have tough, heavy stems. Heavy: 0.110-inch and above.
The (clear) main fuel line with the filter (filter inside the fuel tank) goes to the bottom of the carburetor (or the elbow shaped nipple). The (clear) fuel intake line runs from the top of the carburetor (straight nipple) and goes to the short post on the back of the primer bulb.
Light: 0.065- to 0.080-inch line is best for trimming grass around the house and whacking down common lawn weeds from around driveways, walkways and fences. Medium: 0.080 to 0.110-inch line is best for homes with larger lawns, or gardens overgrown with weeds that have tough, heavy stems. Heavy: 0.110-inch and above.
Fuel lines are made of durable metal, plastic materials and though they are located in the undercarriage of the vehicle, and seemingly in a vulnerable position, they are placed in areas that cannot be damaged due to elements, road conditions, or exposure to heat from the engine`s exhaust or other components.
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the most relevant questions and answers related to your specific issue
Need to replace fuel lines on my Troy Bilt gas hedge trimmer. Where can I get replacement fuel lines… or better yet… what size are the lines and where can I buy a few feet of the lines. Note: I have reviewed the parts assembly and it would seem to indicate I have to replace the entire handle assembly (Part #1) instead of just buying replacement hose(s). Any help to resolve my issue would be greatly appreciated and thanks in advance
ANSWER : Replacement fuel lines should be readily available at your local lawnmower repair shop. Your TroyBilt hedger uses fuel line that is 3/32″ (2.4mm) interior dimension, 3/16″ (4.8mm) outside dimension, with a 3/64″ (1.2mm) wall dimension.
Most manufacturers don’t offer replacement line, only fuel tank assemblies. Find your local shop, and try to get the TYGON brand…it is yellow. Tygon lasts the longest. You should be able to buy it by the foot for less than $2 per foot. You will need 2 feet of hose to replace both lines.
Most manufacturers don’t offer replacement line, only fuel tank assemblies. Find your local shop, and try to get the TYGON brand…it is yellow. Tygon lasts the longest. You should be able to buy it by the foot for less than $2 per foot. You will need 2 feet of hose to replace both lines.
Make sure to clean the in-tank filter when replacing hoses.
Good luck.
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Which fuel lines go where on Craftsman hedge trimmer, just replaced fuel lines and forgot where big line goes and small line goes
ANSWER :
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My fuel lines are coming apart and I need to install new ones.
ANSWER : Go to sears direct, enter your model number and get a schematic of your tool. you can also order factory parts at that site. Just replace them just the way they are now and be sure to tighten down the hose clamps well, if they come with hose clamps. some do not and rely only upon friction fit. Joe
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Trimmer starts and runs for 15 seconds and stops. won’t start for a few minutes and does the same ,
ANSWER : Check the air filter, replace the fuel if it is last year’s, clean the spark plug or replace. Also lube the blade. Good luck…Lee
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Need to replace fuel lines….does the prime bulb connected to return fuel line or the supply fuel line
ANSWER : Hi stglass900…
Normally the big line will be the line the fuel filter is connected to inside of the tank, and is connected to the primer bulb.
The smaller of the two lines is the return line to the fuel tank from the carburetor after it is pumped thru the carburetor by the primer bulb.
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Which fuel line “port/inlet” on the Walbro wt-380 goes to the fuel tank? It’s on a Craftsman 25cc Gas “Weed Wacker” Line Trimmer purchased in 2002. It has Walbro WT-380 carburetor with external primer bulb. The carb has two inlets for attaching fuel lines – one to gas tank, one to primer bulb. One inlet is on diaphragm side of carb (side with the two Low/High speed adjustment screws). Other inlet is on “reservoir?” side (side with air/fuel mixture screw). Which inlet gets the “fuel tank line”? (Other will obviously go to primer bulb. I found all kinds of diagrams on web but none that showed this. Your assistance is greatly appreciated. (Problem occurs when replacing gas lines and forget which line goes where:)
ANSWER : Usually the line with the filter on it that comes from the tank goes to carb. inlet first which is most likely close to the bottom side of the carb.nearest to the engine,then the outlet or return line on the carb.goes to the inlet side of the primer and the outlet side of the primer goes back to the tank. The primer draws fuel through the carb to the primer to the tank if its not? then correct the line connections until it does
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Blades wont move when power connected. Stripped it down. Motor is fine. I think it must be the gears attached to the blade unit
ANSWER : Either the gears, OR SOME machines have a “CENTRIFUGAL CLUTCH” [a safety feature] between the engine and the blades.
IF your machine has this feature, then it’s possible that the clutch has worn out and is slipping so badly that the blade won’t move.
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Try to replace 2 gas lines that from the craftsman gas line trimmer, but forgot how to put them back…any manual availabel?
ANSWER : Can you show me a diagram?
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