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TR2/3/3A How to remove the front brake hub from the brake disc?

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karls59tr

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I have the assembly on the bench. I have removed the 4 bolts that hold the hub to the disc. What is the best way to remove the hub?
 
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mastaphixa

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I believe there are 2 straight slot screws that hold the rotor on the hub once the wheel or splined adapter is removed.
 
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karls59tr

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auprichard said:
No screws. Just hit it with a hammer and it'll come off.
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Hit it where? I'm trying to get the vertical link off but in order to do that I have to remove screws to the hub and I can't access those screws with the hub on?
 

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A

auprichard

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Once you remove the castellated nut on the stub axle (which it looks like you have) the hub and rotor/disc should simply slide off.
 
CJD

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You must remove the wheel bearings. On the opposite side from the nut you removed, there is another nut with a cotter. The other end of the stub axle...under a cover. Remove the nut and the hub will pull off the stub axle with the wheel bearings and a lot of grease. Then you can unscrew the trunnion and work on removing the stub axle.
 
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karls59tr

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The castellated nut with the cotter has been removed and the nut on the other end of the spindle has been removed. The four bolts that hold the hub to the rotor have been removed. The hub will not budge? Why is the hub frozen to the rotor with a death grip?
 
Hamish Racing

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The stub axle will need a lot of force to come off the upright as it’s tapered.
you need to put the nut on the back/ inside - back on a little and persuade it off with a big hammer or even a press.

but with the front ( outside castle nut removed and the big plate washer out the hub should slide off with the bearings.

(note these pic are with my uprated stub axle yours will be thinner)
 

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Hamish Racing

Hamish Racing

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The stub axle will need a lot of force to come off the upright as it’s tapered.
you need to put the nut on the back/ inside - back on a little and persuade it off with a big hammer or even a press.

but with the front ( outside castle nut removed and the big plate washer out the hub should slide off with the bearings.

(note these pic are with my uprated stub axle yours will be thinner
 
CJD

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Then the hub, with the disc, bearings, and seal...should slip right off as a unit. It sounds like something in the seal/bearing area is locked up. Does the rotor/hub turn in relation to the vertical link?
 
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karls59tr

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Yes the rotor hub spins freely! I may have to try and rig up another puller of some sort as the 2 prongs on the puller are not able to grip the edge of the hub properly???
 
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