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Stormrider51
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« on: April 19, 2014, 03:14:03 pm » |
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Okay, back with another beginners question. I need to change out the grinding wheels on my HP 8TSC. How do I get them off? Surely the shaft they are mounted on isn't all one piece from saw blade to polishing pad. Can't find a owners manual online. Help!
John
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tkcaz
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« Reply #1 on: April 19, 2014, 03:52:45 pm » |
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I have an ancient HP E20 and it is indeed one long drive shaft. To replace either the saw blade or a grinder wheel you have to slip the belt off the drive pulley, then remove the grinder area cowling and the top of all the bearing blocks. Putting everything back is a little trickier because the wheels and saw blade must be re-aligned. Actually doing this is not quite as bad as it sounds, but it is definately NOT a "Qwik-Change" setup.
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Tim  |
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Stormrider51
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« Reply #2 on: April 19, 2014, 04:17:25 pm » |
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Thanks, Tim. I'm thinking I'll have to basically dismantle the entire right half of the machine.
John
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lithicbeads
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« Reply #3 on: April 19, 2014, 08:22:06 pm » |
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This type of work can go well or at times not so well. Patience is called for as the wheels are often extremely difficult to remove . This is definitely one of the least fun jobs in lapidary maintenance.
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Stormrider51
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« Reply #4 on: April 19, 2014, 08:50:12 pm » |
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Well, it's done. I had to dismantle everything to the right of the pulley. Once that was done the actual replacement of the wheels was simple enough. Reassembly went well. It's important to not lock anything down until all parts are in place. This allows the shaft to line up. Glad it's done. Hope I don't have to do it again soon!
John
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StillRockinPdX
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« Reply #5 on: July 18, 2022, 10:12:35 pm » |
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Well, it's done. I had to dismantle everything to the right of the pulley. Once that was done the actual replacement of the wheels was simple enough. Reassembly went well. It's important to not lock anything down until all parts are in place. This allows the shaft to line up. Glad it's done. Hope I don't have to do it again soon!
John
- how did you get the bearings on to the shaft? I’m stuck there. |
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