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Old 07-23-08, 03:45 PM   #1
AlexJohnsonBMX
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Help with my 3 piece crank

i have a haro f3 completley custom with nothing stock on it but its crank and i wanna change it but its been on there for 2 years since i got it and its really hard to get the bolts loose i need suggestions on how to get the bolts loose
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Old 07-23-08, 04:32 PM   #2
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Muscle Use leverage longer handle. Also try liquid wrench i have never used that bfore so i don't know if that will help your problem.
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Old 07-23-08, 09:40 PM   #3
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long wrench. leverage.
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Old 07-24-08, 01:12 AM   #4
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Old 07-24-08, 01:14 AM   #5
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Old 07-24-08, 04:31 AM   #6
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im not reccomending this, but what id do, is get a longer allen key, and a hammer,
im sure you can see where it goes from there.
it worked for me
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Old 07-24-08, 01:53 PM   #7
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i had to do that once.
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Old 07-24-08, 02:16 PM   #8
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I've had to do that, too. It's pretty common. Or you can (not recommended) put the enclosed side of the wrench on the end of the allen key and use it as leverage.
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Old 07-24-08, 04:46 PM   #9
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Old 07-24-08, 04:48 PM   #10
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I've had to do that, too. It's pretty common. Or you can (not recommended) put the enclosed side of the wrench on the end of the allen key and use it as leverage.
thats the best way.
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Old 07-24-08, 04:52 PM   #11
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Old 07-25-08, 09:49 AM   #12
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Liquid wrench.... And heat... Use a torch or a lighter. Torch would be better if you have one liquid wrench wont catch fire... The heat will make the crank threads expand enough for the liquid wrench to get down in to the threads.
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Old 07-25-08, 09:33 PM   #13
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I don't think a lighter would heat it up too quick there, skippy. It would take quite awhile.
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Old 07-25-08, 11:03 PM   #14
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I don't think a lighter would heat it up too quick there, skippy. It would take quite awhile.
Just did it with my pedals because i didnt have a torch at my house by school worked great
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Old 07-25-08, 11:45 PM   #15
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an good allen key and a four foot bar (1") for leverage. it's what's used in shops.

also, do you really need to say 3 piece crank? it's safe to say that unless you're eight, you're not riding a one piece...
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Old 07-26-08, 05:37 AM   #16
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Just did it with my pedals because i didnt have a torch at my house by school worked great
No way. How long did it take?
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