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190xt hydraulic pump needle bearing removal
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youngorange2000 View Drop Down
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Joined: 27 Mar 2019
Location: eastcentral MN
Points: 308 		Post Options Post Options   Thanks (0) Thanks(0)   Quote youngorange2000 Quote  Post ReplyReply Direct Link To This Post Topic: 190xt hydraulic pump needle bearing removal
    Posted: 08 Nov 2022 at 1:48pm
Having a tuff time with removing the shells of the old bearings from the blind aluminum housing. I have tried a slide hammer puller with no luck. Thanks in advance
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 19573 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 08 Nov 2022 at 1:54pm
Take a torch with a small tip (maybe even a brazing tip) and carefully heat one side full length and just make it red. Make like a line, not the whole damn bearing race. There is an art to this & too hot isn't good, but you need to make the bearing race momentarily red. Let it cool down to room temps. You'll be able to easily remove them.
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MACK View Drop Down
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Joined: 17 Nov 2009
Points: 7664 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 08 Nov 2022 at 8:39pm
I use a set of pullers I made with a slide hammer to remove them. Thread a plug for side hammer the size of outside of bearing. Turn it down except for a thin edge to inside bearing size. Saw it into down the middle of threads. Grind thin edge to where it will go In to bearing. Drop other 1/2 in upside down, screw slide hammer into tool and remove bearing.                          MACK
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tbran View Drop Down
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Joined: 14 Sep 2009
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Points: 3244 		Post Options Post Options   Thanks (0) Thanks(0)   Quote tbran Quote  Post ReplyReply Direct Link To This Post Posted: 08 Nov 2022 at 11:00pm
We use a heat gun to heat the aluminum then use a small slide hammer with reverse jaws to pull the blind ones and use a new brg to press out the center ones.  Heating the brg shell red in a small section away from that thin seal retainer area was what I used to do - but Doc - I am too shaky anymore to do a straight line :-)  Whatever method one uses be careful to work away from that thin aluminum ledge that will break in a heartbeat and ruin the section. 
When told "it's not the money,it's the principle", remember, it's always the money..
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