Gallery, Projects and General > How do I??

Stihl trimmer bearing

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russ57:
Went to tidy up the grass Saturday, now spring is here.
Trimmer started easily, remarkably as it's been a while.
Revved it up and the head barely rotated.

It seems the bottom bearing, a bronze sleeve type is really tight.
It seems as though it's not designed to be disassembled, and replacements difficult to find and expensive.

So, obviously I have to fix it.
Anybody ever played with one?
It's a stihl fs45 or similar.

I've tried wd40, to no effect.
The hex collar turns but isn't threaded.
I've tried squeezing in the vice but no sign of movement.
All hints welcome..

Regards Russell

-russ

awemawson:
It's probably a sintered / porous bush. Warm it and leave it soaking in diesel for a day or two and it'll probably free up. When it does rinse out the diesel with a solvent and when that's evaporated cook it in a light oil to re-fill the pores.

 

russ57:
Thank you
Hmm, don't have diesel.
Acetone? Degreaser? Shellite? Carby cleaner? Petrol (2 stroke)

John Rudd:
Red diesel is bout 85p a litre....no local farmers nearby?

russ57:
Well actually it is about $1.50/l here in the suburbs of Melbourne...
But there is a servo (aka petrol station, gas station, garage?) just around the corner.

Don't know what colour it is. 😂

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