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Help! How do I remove this vintage Crank?

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Old 10-22-11, 02:52 AM
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horrocks44
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Help! How do I remove this vintage Crank?

I've only ever removed cotterpinned crank and BB sets. However, here we have a Gipiemme Royal crankset and I don't know how to go about getting it off:
DSCF2496.jpg

Also, I've been thinking of picking up a reasonably priced tool kit, will any of the tools in here help me do the above?: http://www.halfords.com/webapp/wcs/s...egoryId_242558

They're all probably pretty crappy, but I've only got a weekend to do this and there's no closer shop.

Thanks
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Old 10-22-11, 03:37 AM
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ijsbrand
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You remove the nut with a box wrench, most often a 14 mm, and sometimes a 15 mm. Then you screw a cotterless crank puller in, while making sure you don't ruin the thread. Old cranksets like that all have a 22 mm thread, so most pullers fit. And when the crank puller is in, you turn the inside axle down.
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Old 10-22-11, 04:38 AM
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Make sure you know what crank you have cause they DO NOT all use the same tool. Most are 22mm, TA cranks use a 23mm, and Stronglight uses 23.35mm. Using the incorrect puller will ruin the crank.
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Old 10-22-11, 06:13 AM
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It looks like there may be a crank puller tool in that kit, but it's hard to see, or tell if it is the correct size. That crank bolt looks a little rusty, but it may just be surface oxidation. Don't forget, after you remove that bolt, there is a washer underneath it that must be removed before you thread the crank puller into the crank arm.
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Old 10-22-11, 09:09 AM
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ecsjr
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Not sure if your crank is the same, but I have a Gipiemme Sprint crank. I use Park Tool ccp-22 to remove the crank arms.
Same tool I use for other cranks I have.
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Old 10-22-11, 10:57 AM
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Biggest thing that most people miss when removing square tapered cranks for the first time is to remove the washer under the crank mounting bolt before installing the crank puller. A lot of cranks have had their threads stripped this way as that washer is very easy to miss.

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Old 10-22-11, 12:52 PM
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Yes. See post number 4. Then, read #6 again. Then #4 again. It's important.
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Old 10-22-11, 01:47 PM
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And... it helps to lube the threads of the crank puller with lithium or moly grease prior to use - this decreases effort of removal and preserves the tool for further use. Good luck!
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Old 10-22-11, 02:04 PM
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horrocks44
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Great! thanks guys, it's off now, cleaned up and looking good. The BB is in perfect nick too, all going well so far.
I don't know what this crank puller machine is, I vary carefully used a socket wrench and that worked fine, didn't damage any threads.
H.
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