Don
Cave Dweller
He wants you too, Malachi.
Member since December 2009
Posts: 2,616
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Post by Don on Oct 1, 2011 22:57:41 GMT -5
Can anyone tell me how to remove the wheels from between these two bearings on the arbor shaft? I've removed the hex nuts but the bearings won't budge... thanks!
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Post by Rockoonz on Oct 1, 2011 23:09:15 GMT -5
There are probably 2 set screws on each bearing. It looks like a Star Diamond arbor so there should also be a nut at one end of the shaft. You need to start at the end with the nut and remove all the spacers to get to the wheels. Judging from the rust in the picture you will probably need a gear puller to get it apart.
Lee
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Don
Cave Dweller
He wants you too, Malachi.
Member since December 2009
Posts: 2,616
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Post by Don on Oct 1, 2011 23:27:43 GMT -5
Thanks lee. so ideally, with the set screws removed on the bearings, they should simply slide off the arbor shaft? yes, it's a diamond star arbor.
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Post by johnjsgems on Oct 2, 2011 8:39:02 GMT -5
"Simply" is wishful thinking. Usually the bearings have concentric collars with one set screw. Remove the set screw. There will be a dimple in the collar near the set screw. Use a punch or screw driver in the dimple and tap in opposite direction of rotation. If the bearings are good you can remove just the right side. Soak everything up in a good penetrating oil and tap/slide everything off.
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Post by Jack ( Yorkshire) on Oct 3, 2011 11:57:13 GMT -5
As John says above "Simply " dosent come into it
Some bearings are "sweated on to the shaft Heated then cooled so they dont move
Try to clean the crud / rust of the shaftYou will never move a bearing till you have the shaft polished and clean sometimes you have to use a puller also
But firs t Clean it up and a few sprayed of WD 40 also help
Jack Yorkshire Uk ( Ex motor Mechanic)
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Don
Cave Dweller
He wants you too, Malachi.
Member since December 2009
Posts: 2,616
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Post by Don on Oct 3, 2011 12:03:03 GMT -5
thanks guys, I've sprayed everything down with pb blaster a few times and will see what happens.
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Post by johnjsgems on Oct 3, 2011 20:57:16 GMT -5
Get a roll of plumber's sand cloth. Works great for cleaning up exposed shaft areas.
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rocpup
spending too much on rocks
Pink Limb Iris
Member since March 2011
Posts: 465
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Post by rocpup on Oct 10, 2011 8:43:48 GMT -5
The above info is great but the first thing you should have done is remove all that rust and crud. Sand to bright metal. Rust increases the diameter of your shaft and those bearings will not slide over it. I dought very much if those bearings were sweat on. If there are two set screws then then there is no eccentric collar to remove first. Set screws upsets the metal and sometimes tapping away from the set screws helps. After the setscrew marks are exposed file them smooth and with a little WD40 or oil they should slide or tap off.
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