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How Does A String Trimmer Work? — Lawn Equipment Repair Tips

String trimmer won’t start, runs poorly or line won’t feed? This video provides information on how a string trimmer works and offers troubleshooting tips to assist you in diagnosing and repair.

Here is a list of the most commonly replaced parts associated with each string trimmer symptom:

String trimmer won’t start: spark plug, carburetor, rewind pulley and spring, fuel filter
String trimmer engine stops after a few seconds: spark arrestor, carburetor, fuel filter, air filter
String trimmer runs poorly: carburetor, fuel filter, air filter, spark plug, spark arrestor
String trimmer head won’t spin: clutch, drive shaft, trimmer head, throttle cable
String trimmer head won’t stop spinning: clutch
String trimmer string line won’t feed: trimmer head, trimmer line, trimmer housing

All of the information provided in this string trimmer troubleshooting video is applicable to the following brands: Craftsman, Echo, Homelite, Mantis, Poulan Pro, Ryobi, Stihl, Toro, Troy-Bilt, Weedeater.

RepairClinic has millions of replacement parts for appliances, lawn equipment, power tools, and heating & cooling equipment including washers, dryers, dishwashers, refrigerators, lawn mowers, snowblowers, furnaces, and air conditioners. Our customer care team is available to help by phone or live chat, seven days a week: 1-800-269-2609. We guarantee the fastest shipping possible—all in-stock parts ship the same business day. Return any part for any reason with our generous 365-day return policy.

In addition to providing replacement parts, RepairClinic.com offers free online troubleshooting information and DIY repair videos. Use our website to choose from a series of problems to discover the likely causes and the correct replacement part(s) for your particular model. Once you’ve determined the solution, our expertly-produced video tutorials will guide you through every step of the repair.

At RepairClinic, we make fixing things easy!

Echo String Trimmer Disassembly:

How your string trimmer works:

For more DIY videos including part replacement and help finding your model visit the repair help section of our website: String Trimmer repair help

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