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Lightning rear wheel bearings and brake #797899 02/08/20 9:54 pm
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Nick H Online Content OP
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Me again.
To remove these bearings I believe I need to drive the inner sleeve out from this side, correct?
Never like hammering on things without full confidence!
[Linked Image from i.imgur.com]
Then the brake is "frozen". Lever won't move so how to take this apart?
The manual I have says something like, "the brake shoes are removed in the usual way". Big help if you've never done it!
[Linked Image from i.imgur.com][Linked Image from i.imgur.com]
I got the circlip out...


1966 BSA Lightning
(2) 1967 Triumph "Choppa"s
1974 Indian ME125
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Re: Lightning rear wheel bearings and brake [Re: Nick H] #797914 02/09/20 1:39 am
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Gordo in Comox Online Content
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Nick: As far as I can tell the inner sleeve can go either way if the bearing retainer and speedo drive bits have been removed. Either way pressing it out will take out a bearing with it because it has a shoulder on it. You then need to press out the second bearing in the other direction. You really need to be careful not to flare the end of the sleeve as it can jam inside the inner bearing race.

As for the brake it sounds as if it is rusted solid, that is one of the issues with the steel brake plate that you seem to have. First I would take off the nut on the short spindle and press it out through the hub bearing. If you have removed the circlip on the back of the drum then the bearing might come out with the spindle. You could then try tapping the brake plate from the drum side through the hole the spindle was in. I would then take of the brake arm (lever) and try to free up the brake cam with rust remover so as to loosen the shoes (they might be stuck) or to take any pressure off them. If you can free up the brake cam as a last resort you could take off the nut on the fulcrum pin and just remove the brake plate leaving the shoes inside the drum. Once the plate is off the rest is easy. The brake plate is not very strong so you should not put a lot of pressure on it trying to pry it off.

Good luck

Gordo


The roadside repairs make for the best post ride stories.
Re: Lightning rear wheel bearings and brake [Re: Nick H] #797952 02/09/20 12:46 pm
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Nick H Online Content OP
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Thanks, I have a press so I may try that on the sleeve.


1966 BSA Lightning
(2) 1967 Triumph "Choppa"s
1974 Indian ME125
Re: Lightning rear wheel bearings and brake [Re: Nick H] #797959 02/09/20 1:41 pm
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Allan Gill Offline
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Try applying pressure to the brake arm, the spring is enough to pull the arm back and open the cam, but from the other direction.

You can also screw the nut back on, and with a plastic or copper mallet tap the end of the stub axel also. With the brake applied enough so that the drum spins freely within the plate.

By mounting the nut, if you should inadvertently damage the thread, unthreading the nut will fix this.


beerchug
Re: Lightning rear wheel bearings and brake [Re: Nick H] #797975 02/09/20 4:58 pm
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Irish Swede Online Content
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A little heat on the backing plate's sleeve that holds the brake actuator spindle may also help.
If nothing else, the heat may allow penetrating oil easier entry to get in around the spindle.

Re: Lightning rear wheel bearings and brake [Re: Nick H] #798122 02/11/20 7:11 pm
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Nick H Online Content OP
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Thanks I took the nut off and knocked the spindle out as suggested and the brake plate then came off.
I hesitate to hammer these bearings out using the spindle or a drift that will push on the inner race.
I may try to clean and grease them "in-situ".


1966 BSA Lightning
(2) 1967 Triumph "Choppa"s
1974 Indian ME125
Re: Lightning rear wheel bearings and brake [Re: Nick H] #798126 02/11/20 8:08 pm
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Allan Gill Offline
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Originally Posted by Nick H

I hesitate to hammer these bearings out using the spindle or a drift that will push on the inner race.



Apologies, I thought you were changing the bearings?


beerchug
Re: Lightning rear wheel bearings and brake [Re: Nick H] #798130 02/11/20 8:55 pm
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gunner Offline
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Before you try and remove the bearings I would first check for any roughness, if they seem OK then just clean out any old grease and re-lubricate. Often the bearings have minimal wear and are best left in-place as removing them can cause damage.

If you do remove them and use new bearings remember that the bearings may need a C3 clearance especially if they are a tight fit. I recently rebuilt the rear brake and drum on my A65 and found that a standard clearance bearing was too tight and ran roughly when fitted, a C3 clearance bearing was then fitted and ran smoothly.


1968 A65 Firebird
1967 B44 Shooting Star
1972 Norton Commando
Re: Lightning rear wheel bearings and brake [Re: Nick H] #798135 02/11/20 10:35 pm
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Nick H Online Content OP
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Thanks, I think I'll leave well enough alone for a change. Not so many miles on the bike.


1966 BSA Lightning
(2) 1967 Triumph "Choppa"s
1974 Indian ME125
Re: Lightning rear wheel bearings and brake [Re: Nick H] #798137 02/11/20 10:50 pm
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Beach Online Content
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Check them. Might just be me, but that's a pretty important thing to make sure is good. I wont even run made in China bearings. My deepest fear is a bearing locking up or disintegrating at highway speeds.


Bill
1974 Norton Commando
1966 Lightning
1965 Lightning Rocket
1966 Norton Atlas
1967 Norton Atlas
1948 Panhead
Re: Lightning rear wheel bearings and brake [Re: Nick H] #798141 02/12/20 12:02 am
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gavin eisler Online Content
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"My deepest fear is a bearing locking up or disintegrating at highway speeds."
Rest easy, that hardly ever happens, wheel bearings get loose , then the handling gets sloppy at speed, then more and more squirrelly, they dont go bang , usually, if ever? much more likely for a tyre.


71 Devimead, John Hill, John Holmes A65 750
56 Norbsa 68 Longstroke A65
Cagiva Raptor 650
MZ TS 250
The poster formerly known as Pod
Re: Lightning rear wheel bearings and brake [Re: gavin eisler] #798149 02/12/20 2:48 am
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Beach Online Content
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Originally Posted by gavin eisler
"My deepest fear is a bearing locking up or disintegrating at highway speeds."
Rest easy, that hardly ever happens, wheel bearings get loose , then the handling gets sloppy at speed, then more and more squirrelly, they dont go bang , usually, if ever? much more likely for a tyre.

Thanks, I'll sleep better tonight!! Or maybe it's the 4 beers I just drank.


Bill
1974 Norton Commando
1966 Lightning
1965 Lightning Rocket
1966 Norton Atlas
1967 Norton Atlas
1948 Panhead

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