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69 Lightning Rear Brake Disassembly #725106
02/10/18 11:47 pm
02/10/18 11:47 pm
Joined: Jun 2016
Posts: 55
Oceanside California
M
mrcarb Offline OP
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mrcarb  Offline OP
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Joined: Jun 2016
Posts: 55
Oceanside California
I have removed the rear brake assembly from the rear wheel of my 69 Lightning. To disassemble further it looks like I need to put the sprocket side down and press the center from the backside to separate the drum from the brake assembly. Would someone know if this is correct thing to do to separate the two? The service manual does not make this clear.

Thanks

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Re: 69 Lightning Rear Brake Disassembly [Re: mrcarb] #725109
02/10/18 11:57 pm
02/10/18 11:57 pm
Joined: Sep 2001
Posts: 2,787
Comox BC Canada
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Gordo in Comox Offline
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Joined: Sep 2001
Posts: 2,787
Comox BC Canada
You should have been able to just slide the alloy back plate with the shoes attached off of the stub axle. You should then be looking at a brake drum with a stub axle in it. If you press on threaded end of the stub axle it should exit the rear of the drum leaving you with just a drum with a bearing in it.

If the alloy plate is stuck on the stub axle, pressing the axle out the back of the drum will separate everything.

Gordo


Without frequent roadside repairs there is no fun in riding!
Re: 69 Lightning Rear Brake Disassembly [Re: mrcarb] #725128
02/11/18 2:16 am
02/11/18 2:16 am
Joined: Jun 2016
Posts: 55
Oceanside California
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mrcarb Offline OP
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mrcarb  Offline OP
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Joined: Jun 2016
Posts: 55
Oceanside California
Would you say it is okay to press on the short threaded axle to separate the alloy back plate? This would be pressing from the left side of the wheel. The spring clip next to the bearing has been removed.

Thanks

Re: 69 Lightning Rear Brake Disassembly [Re: mrcarb] #725129
02/11/18 2:44 am
02/11/18 2:44 am
Joined: Sep 2001
Posts: 2,787
Comox BC Canada
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Gordo in Comox Offline
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Comox BC Canada
Yes that would work but the bearing might come out with the stub axle if the clip is out. Normally the alloy back plate is loose on the stub axle. I would put a little cleaner in where the axle and the plate meet to loosen it in case it is really stuck with corrosion. If you hold onto the fat right side end of the stub axle with something you should be able to work the alloy plate free off the left end. If not I would put the circlip back in so as to take the pressure off of the alloy plate during the pressing/hammering. The plate has a shoulder that pushes against the inner race of the bearing but if the bearing starts to go out the plate outer edge will start to push against drum rim.

Sometimes a heavy rubber mallet is all that is needed to free the stub axle.

Gordo


Without frequent roadside repairs there is no fun in riding!
Re: 69 Lightning Rear Brake Disassembly [Re: mrcarb] #725317
02/12/18 3:31 pm
02/12/18 3:31 pm
Joined: Jun 2016
Posts: 55
Oceanside California
M
mrcarb Offline OP
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mrcarb  Offline OP
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Joined: Jun 2016
Posts: 55
Oceanside California
I tried pressing the bearing out from the back side using a hydraulic press and it is stuck. I did not apply too much force with the press because I thought something might break. I can see that the aluminum backing plate should slide off the axle but it is stuck and I do have it soaking. I will keep trying to get this apart.

Any other suggestions would be appreciated.

Thanks for the help

Re: 69 Lightning Rear Brake Disassembly [Re: mrcarb] #725324
02/12/18 4:35 pm
02/12/18 4:35 pm
Joined: Jun 2016
Posts: 55
Oceanside California
M
mrcarb Offline OP
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mrcarb  Offline OP
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M
Joined: Jun 2016
Posts: 55
Oceanside California
Got it! I pressed the short axle out towards the speedometer drive side and everything disassembled.

Thank you for the help!


Moderated by  Allan Gill, Jon W. Whitley 


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