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String Trimmer Question

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07-21-02, 08:16 PM   #1  
Homelite ST175 String replacement

I've been given an early Homelite ST175 curved shaft string trimmer and no owner's manual. I can't tell how to get the string spool off to replace the string. Homelite's site tells how to replace string on the empty spool but that's it. There's a bolt in the middle of the spool that I've tried turning with a wrench. The bolt turns the shaft and engine and there's no way I see to lock that to offer resistance to the bolt.

Anybody know Homelite string trimmers or have one?


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07-22-02, 08:12 PM   #2  
Hello: Henry. Welcome to our Do-It-Yourself Web Site and our Small Engine forum.

Try holding the spool head with a strap wrench while turning the center bolt/screw.

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07-22-02, 09:19 PM   #3  
Hello Henry! Where the head mounts to the shaft, there should be a gray colored metal piece with a hole in it. Put a nail or allen wrench in the hole, and turn the head while pushing in on the nail. You will feel it lock in place when it gets to the right place. Then you can unscrew the bump knob. Some knobs are left-hand threaded, and you may need to turn it clockwise to remove it.

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