Repair guides and support for weed whackers, also known as string trimmers, weed eaters, edge trimmers or line trimmers.

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Recoil starter is a tangled up mess?

I was out weed whacking with our wee whacker when I accidentally stalled it (really thick grass). When I went to restart it, it shook really bad for a few seconds but straightened out and kept running with no problems. When I finished i went to put it away and noticed that the string for the recoil starter had come off the little groove that it usually sits in and wrapped around the shaft. I have included some pictures to help explain.

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Answered! View the answer I have this problem too

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sorry about the poor lighting, i was taking these pictures in our garage and i don't know how to set my camera to close-up mode (it's an olympus C-740 Ultra Zoom if you know how and would like to share that knowledge)

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Well, I took it apart and behold, a spring fell off it's mounting point. I put it back in place and wound up the string and put it all back together. I got it to start on the first pull but the string still doesn't retract back into the unit...

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Usually you have to pretension the spring by turning it before attaching the cord. You then attach the cord and slowly feed the cord as the spring unwinds. When completed and you pull the cord it tensions the spring and retracts the cord when starting. This is why I went to electric weed wackers. Ralph

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Looks like you found a weekend project! I would suggest you start by clearing off a large table an putting the weed waker on the table and to the best of your ability taking it apart. Take a screwdriver and remove all exterior screws holding on the plastic case, but be careful! Losing a screw can spell terrible news for the weed-whacker. Then hopefuly the solution will be as simple as unwinding the cord form the shaft. If not post more pictures and we can take another look.

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Well, my Dad got the cord untangled but now it won't retract back. I can post more pictures if you want.

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It sounds like the spring may have failed which led to a lack of tension on the recoil, causing the cord to loosen and come out of the groove and tangle. If you have it apart already, and you can not just reattach the spring, check with your local power equipment dealer and get a new recoil, with the spool, cord, spring and all.

If you wrapped the cord around the shaft and ran it, you may have frayed the rope and that could lead to failure of the recoil cord.

If you can just install the spring, try that, and careful on the pull starts so you don't snap the string.

Good luck

Frank

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I had to do this for a chain saw recently. As long as the spring is still good, it's not that hard. The advice above is all good. From now on, after you pull to start, let the cord back in slowly. I had to train myself to do that, but it's kept me from having to re-repair.

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MTD trimmers are made by Ryobi, and most repair shops won't work on them or stock repair parts due to the high cost of repair versus the low cost of replacement, so make sure you have some source of supply before attempting to repair!

To reach the starter assembly, you would need to remove the trimmer shaft, romove the throttle wire from the carburator,remove the screws holding the plastic housing to the engine, then there is one T-20 Torx screw holding the clutch drum onto the clutch. then you need a special tool or an impact wrench to remove the clutch. Carefull! It has left hand threads! Then remove the screw holding the starter pulley on & slowly remove the pulley as there is a rewind spring under it. You should ALWAYS replace the spring. You won't want to do this twice!

The new spring comes pre-coiled. Note carefully how the old spring was wound and using needlenose pliers, install the new spring.

Then, using a NEW ROPE, wind it around the pulley in the direction of pull and allow three extra inches to allow for the handle and knot. Insert the pulley onto the spring, making sure the center of the spring fits into the notch of the pulley. Then, wind the rope once in the direction of pull and thread it through the rope grommet in the housing. Now install the handle and reassemble.

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We used to have an electric weedwhacker but the batteries, even when new, didn't last long enough and they just wernt powerful enough for our needs

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Shameless bump!

I've decided to take the motor to the weed whacker and turn it into an engine for a homebuilt moped. The engine still runs beautifully, just a bit hard to get started.

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First of all, I'll apologize if someone else has posted the same/similar solution.

Now, You're going to need to pull the outer casing off and detach the entire pull assembly. Be careful not to let the coil spring unwind any further than it has, if not already unwound. Next, you'll need to inspect the assembly to look for a cause for it coming off the spool. Chances are it was just loose, and became dislodged. However, the spring may be broken or something may be worn to the point that it needs to be replaced. Obviously, if there is a problem and you ignore it, it will just come off the spool again and all your trouble will be in vain.

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Skippy722 will be eternally grateful.
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