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The weed eater shaft does not seem to be engaged and stops the engine after throttle up. Can you adjust the internal flex shaft to be longer on a TB625EC?
It does not seem to have a problem with the tiller application
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I'm sorry, but I can't provide a visual diagram as I can't display images or diagrams. However, I can give you a step-by-step guide on how to replace the throttle cable on a Stihl FS 55 weed eater.
Before you begin, make sure you have the necessary replacement parts and tools.
Materials and Tools:
Replacement throttle cable
Screwdriver
Pliers
Allen wrench
Socket set
Procedure:
Safety First:
Ensure the weed eater is turned off, and the spark plug is disconnected to prevent accidental starts.
Remove the Air Filter Cover:
Locate the air filter cover on the weed eater's engine and remove it. Typically, this involves loosening screws or clips.
Access the Throttle Cable:
With the air filter cover removed, you should be able to see the carburetor and the throttle cable attached to it.
Disconnect the Throttle Cable:
Carefully disconnect the throttle cable from the carburetor. This might involve loosening a screw or bolt holding it in place. Note how it is routed and attached.
Remove the Handle Housing:
Locate the throttle trigger on the handle housing and remove it. This may involve unscrewing parts of the housing or loosening screws to access the cable.
Replace the Throttle Cable:
Feed the new throttle cable through the handle housing and reattach it to the throttle trigger. Make sure it's properly connected.
Reconnect at the Carburetor:
Reattach the other end of the throttle cable to the carburetor in the same manner it was originally connected.
Adjust the Cable Tension:
Adjust the cable tension to ensure it operates smoothly. There should be some slack when the trigger is released but no excessive play.
Reassemble the Weed Eater:
Reattach the air filter cover, making sure it's secure.
Connect the Spark Plug:
Reconnect the spark plug and ensure it's properly seated.
Test the Throttle:
With all the components reassembled, test the throttle to ensure it's working correctly.
Start the Weed Eater:
Reconnect the spark plug and start the weed eater. Verify that the throttle is responsive and functions as expected.
This is a general guideline for replacing the throttle cable on a Stihl FS 55 weed eater. Keep in mind that specific models may have variations in their design and components, so refer to the user manual or consult with a professional if you encounter any difficulties during the replacement process.
Put on a pair of safety glasses. Remove the fuel cap from the Weed Eater and set it aside. Fill the fuel tank with unleaded gasoline that has been mixed with quality 2-stroke oil in a 40:1 ratio. Replace the fuel cap.
Move the Weed Eater to a safe place and lay it flat on the ground. Depress the fuel bulb located beneath the carburetor approximately six times to prime the engine. Press it slowly so that fuel has adequate time to traverse the fuel line.
Slide the handlebar-mounted engine "On/Stop" switch to the "On" position. Slide the choke lever beneath the fuel tank to the "Full" position.
Depress the "Throttle Lock" lever located beside the engine "On/Stop" switch. Keeping the lever depressed, squeeze the throttle trigger. Release the throttle lock. This sequence holds the trigger in the depressed position, which aids in starting the Weed Eater.
Roll the Weed Eater so that it is resting on the engine and the trimmer head shield only. This will allow the spinning trimmer head to avoid contact with the ground. Brace the Weed Eater by holding it to the ground with one hand. Using your other hand, pull the starter rope quickly until the engine begins to run. Do not pull the rope more than a dozen times. If it fails to start by then, squeeze the throttle trigger and continue to pull until the engine starts.
Allow the Weed Eater to warm up for about 15 seconds, then slide the choke lever to the "Off" position. Let the trimmer run for another minute without touching the throttle lever. After the Weed Eater has warmed up, squeeze the throttle trigger once to disengage the throttle lock. The trimmer is now operational.
Your clutch has failed. Most common reason is a broken clutch spring, but sometimes a shoe will break. To get to your clutch, you need to separate the engine from the shaft at the front face of the engine, NOT where the shaft enters the engine housing.
sounds like your flex cable has taken a trip south. Pull the shaft off the head and take a look at the flex cable. If flex cable is ok, they your clutch is defective.
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