Removing seized M540 pedal
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Removing seized M540 pedal
Postby nandystam » Mon Oct 15, 2018 11:57 am
Just after some advice on the best plan of attack for removing an M540 pedal (drive side) that's seemingly seized to the crank arm, and the allen key head has been somewhat stripped. I've managed to get the pedal body off, leaving only the spindle/axle behind. From this point most people suggest a pipe wrench should do the business, but the axle is largely tapered, and the only consistent surface is the threaded end which is also the narrowest (in diameter). I'm guessing this is the recommended spot to use a pipe wrench on ?
Worse case scenario is to remove the crank arm, attach it to a vice (which i don't have, I do have quick-grip clamps instead) and try and remove it that way?
You can probably tell I haven't attempted this before, so just want to check everything off first so I get it right
Thanks
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Re: Removing seized M540 pedal
Postby JPB » Mon Oct 15, 2018 12:06 pm
In the end it was crank off the bike and then soak the end of the pedal spindle in kero for a week.
Then clamp a good quality 15mm spanner in a vice (to try and stop the jaws from opening up) and use a heat gun to get the crank just too hot to touch and then with the flats of the spindle in the aforementioned spanner use all my strength and weight to turn the crank (in the correct direction).
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Re: Removing seized M540 pedal
Postby nandystam » Mon Oct 15, 2018 12:11 pm
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Re: Removing seized M540 pedal
Postby road_warrior » Mon Oct 15, 2018 1:08 pm
The last time I had a stuck pedal, I used a heat gun. Just remember to put the chain the chain ring, or cover the chain ring. For me when the pedal let go, I gashed my arm open on the exposed chain ring
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Re: Removing seized M540 pedal
Postby nandystam » Mon Oct 15, 2018 1:47 pm
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Re: Removing seized M540 pedal
Postby Calvin27 » Mon Oct 15, 2018 2:00 pm
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Re: Removing seized M540 pedal
Postby queequeg » Mon Oct 15, 2018 2:02 pm
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Re: Removing seized M540 pedal
Postby nandystam » Mon Oct 15, 2018 2:11 pm
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Re: Removing seized M540 pedal
Postby Calvin27 » Mon Oct 15, 2018 4:32 pm
Cushy dirt bike
Very cushy dirt bike
Bike crushed by car (RIP)
No brakes bike
Ebike
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Re: Removing seized M540 pedal
Postby nandystam » Mon Oct 15, 2018 4:46 pm
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Re: Removing seized M540 pedal
Postby rowdyflat » Mon Oct 15, 2018 5:55 pm
Make sure you turn it anticlockwise if the drive side.
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Re: Removing seized M540 pedal
Postby JPB » Mon Oct 15, 2018 9:19 pm
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Re: Removing seized M540 pedal
Postby Duck! » Mon Oct 15, 2018 9:44 pm
Try this. Remove the crank from the bike, then remove the chainrings. Clamp the pedal spindle in a bench vice, and then use every bit of leverage you can muster to unscrew the crank from the spindle.
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Re: Removing seized M540 pedal
Postby piledhigher » Mon Oct 15, 2018 10:01 pm
I'd write 1000 wordsDuck! wrote:M540s don't have flats.
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Re: Removing seized M540 pedal
Postby Thoglette » Mon Oct 15, 2018 11:33 pm
Plus heat. Heat up that aluminium crank arm before you lean on it. Use a blow heater or hair dryer.Duck! wrote:M540s don't have flats.
Try this. Remove the crank from the bike, then remove the chainrings. Clamp the pedal spindle in a bench vice, and then use every bit of leverage you can muster to unscrew the crank from the spindle.
If you can find some pipe that will fit over the crank arm (old bit of exhaust pipe) then you can get a bit more welly happening. Once you're leaning on it, have your gorgeous (or otherwise) assistant give the arm a tap with a hammer.
"People are worthy of respect, ideas are not." Peter Ellerton, UQ
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Re: Removing seized M540 pedal
Postby JPB » Tue Oct 16, 2018 6:29 am
Understood. I have M520 but thought I had M540piledhigher wrote:I'd write 1000 wordsDuck! wrote:M540s don't have flats.
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Re: Removing seized M540 pedal
Postby queequeg » Tue Oct 16, 2018 10:40 am
If you have the M520 and not the M540, is there any reason you can't just use a standard pedal wrench? You mentioned an allen key, which the M520 can also use, but it has the 15mm pedal wrench nut as well. The M540 only has the 8mm KeyJPB wrote:Understood. I have M520 but thought I had M540piledhigher wrote:I'd write 1000 wordsDuck! wrote:M540s don't have flats.
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Re: Removing seized M540 pedal
Postby nandystam » Tue Oct 16, 2018 6:38 pm
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