I have the string head down to it's base plate. Obviously there is a nut holding the plate to the shaft, it looks as though it would twist off. But, I can't figure how to lock the shaft so that I can twist it. I guess from the answer I received I am not being clear. I am attempting to remove the entire string cutter head so that I can replace it with a metal bladed "brush cutter" head. There is an obvious nut holding it on, but I cannot turn it unless I can lock the shaft.
SOURCE: Replacing the bump head on homelite string trimmer
undo the 2 screws on top of the carb. The bulb is part of a 2 piece cap undo that and it fall out.
SOURCE: Homelite strin trimmer head wont rotate
The only way to access the bottom of the metal shaft is to break it. This is fused on at the factory. It sounds like your flexshaft has twisted in two. Remove the flex shaft from the engine end and see if it is in one whole piece or is damaged in someway. If it rotates at the top but doesn't rotate at the string head this is probably the problem. However, Homelite no longer offers just the flex shaft for purchase. You would probably have to purchase the shaft and the tube as a unit.
But if you are saying the spool and string is not turning at the bottom it could be that the cup which holds the string has worn and can not longer be turned by the shaft. Replace the cup that holds the string.
Another possibility is that the shaft have moved forward, away from the engine and just need to be jammed back in, and retightened (the handle grip and the boom clamp).
SOURCE: Stihl FS45 2 cycle string trimmer. Bought in 5/06
Dealer says shaft has broken. Stihl had a problem with some FS45's doing this. They are trying to have it repaired under warranty.
Thanks for the response.
SOURCE: Ref: Stihl FS46 string trimmer. Broken Flex shaft.
Remove orange sheild,remove single screw holding head in shaft then grab head with pliers and twist side to side until complete head is free.You should then be able to grab part of shaft.On power head loosen screws {about one turn each} that hold two white case halves near trigger,I think there are four,then there is a single torx screw on the bottom of lower case half in the middle that must be taken out to allow tube to be removed.Romove flexshaft from top.Check 4 plastic burnt to flexshaft,if there is you must replace tube liner as well,usally around bent part of tube the liner will go bad.
SOURCE: Have a Twist N' Edge Weedeater. Can't find the
You may find a manual with that info in it here:
http://www.manualsonline.com/
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