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Triumph Bonneville: Rotor Nut Removal??? #87908
02/05/06 7:32 pm
02/05/06 7:32 pm
Joined: Jan 2006
Posts: 133
Pentwater, Michigan, USA
S
snowbob Offline OP
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snowbob  Offline OP
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Joined: Jan 2006
Posts: 133
Pentwater, Michigan, USA
I am trying to replace the Rotor on My 1971 Triumph Bonneville. There is a problem removing the nut holding the rotor in. The manual says to put a metal rod down in the the crankshaft to hold it still to crank on the nut. That would require removing the cylinder heads. Is there another way??? Is the nut reverse threaded? Someone suggested putting a rope down the spark plug hole to hold the piston down hmmm. Trying to do this during a raging snow storm..
Any ideas???

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Re: Triumph Bonneville: Rotor Nut Removal??? #87909
02/05/06 8:05 pm
02/05/06 8:05 pm
Joined: Oct 2003
Posts: 3,564
Emsworth, sunny south of Engla...
D
dave jones Offline
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dave jones  Offline
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D
Joined: Oct 2003
Posts: 3,564
Emsworth, sunny south of Engla...
If you put the bike in fourth gear and apply the back brake you can undo the nut. You have to tap the spanner to undo it sometimes but it is not very tight and is a normal thread. When you put it back on use the tab washer or some BLUE loctite.

Dave

Re: Triumph Bonneville: Rotor Nut Removal??? #87910
02/05/06 8:09 pm
02/05/06 8:09 pm
Joined: Jan 2006
Posts: 133
Pentwater, Michigan, USA
S
snowbob Offline OP
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snowbob  Offline OP
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Joined: Jan 2006
Posts: 133
Pentwater, Michigan, USA
Thanks Dave, I will give this a go....

Re: Triumph Bonneville: Rotor Nut Removal??? #87911
02/05/06 11:52 pm
02/05/06 11:52 pm
Joined: Mar 2005
Posts: 460
Cincinnati, Oh
Jethro Offline
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Jethro  Offline
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Posts: 460
Cincinnati, Oh
Someone recently convinced me to use the red loctite in this situation. I don't have the rotor off yet, and YES I did read that about "locking" out the crank, so this post helps me... hope the red loctite--OR BLUE!--help you... I am CONVINCED now that loctite is a required item. LOL.

Re: Triumph Bonneville: Rotor Nut Removal??? #87912
02/06/06 12:32 am
02/06/06 12:32 am
Joined: Mar 2005
Posts: 10,087
Boston, Massachusetts
J
John Healy Offline

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John Healy  Offline

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J
Joined: Mar 2005
Posts: 10,087
Boston, Massachusetts
I am CONVINCED now that loctite is a required item. LOL.
Blue will do the job nicely and allow the removal of the nut without any heroic actions the next time.
john 2c


Re: Triumph Bonneville: Rotor Nut Removal??? #87913
02/06/06 11:20 am
02/06/06 11:20 am
Joined: Oct 2003
Posts: 3,564
Emsworth, sunny south of Engla...
D
dave jones Offline
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dave jones  Offline
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Joined: Oct 2003
Posts: 3,564
Emsworth, sunny south of Engla...
I am glad that John agrees with me on the choice of BLUE loctite. The red stuff is much too STRONG for nuts and bolts. I actually use only the TAB WASHER on the rotor and it SEEMS to be ok.

smile beerchug

DAVE

Re: Triumph Bonneville: Rotor Nut Removal??? #87914
02/06/06 7:28 pm
02/06/06 7:28 pm
Joined: Aug 2001
Posts: 713
Midland, Ontario, Canada
J
John Bakker Offline
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John Bakker  Offline
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J
Joined: Aug 2001
Posts: 713
Midland, Ontario, Canada
When trying to lock up the engine for nut installation or removal with the topend still in place, I find a piece of wood jammed in between the clutch sprocket and primary chain does an effective job.

Re: Triumph Bonneville: Rotor Nut Removal??? #87915
02/06/06 8:30 pm
02/06/06 8:30 pm
Joined: Jan 2006
Posts: 133
Pentwater, Michigan, USA
S
snowbob Offline OP
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snowbob  Offline OP
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S
Joined: Jan 2006
Posts: 133
Pentwater, Michigan, USA
Hi Guys! I tried the fourth gear thing. Even put as 2x4 through the rear wheel spokes and all I did was have the clutch slip. Still can't get it loose. Aside from buying an impact does anyone have any other ideas? Snowbob
P/S There will be a British Only ride here, June 2,3&4, 2006. Look up www.pentwatermichigan.com. Scroll down to 'calendar' we are the first listed under June.

Re: Triumph Bonneville: Rotor Nut Removal??? #87916
02/06/06 9:02 pm
02/06/06 9:02 pm
Joined: Mar 2005
Posts: 10,087
Boston, Massachusetts
J
John Healy Offline

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John Healy  Offline

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J
Joined: Mar 2005
Posts: 10,087
Boston, Massachusetts
Is it possible that the previous owner/mechanic used red loctite on the nut? If so, you will have to heat, or should I say WARM, the nut to release the loctite.

On the other internet site somone suggested heating the oil way plug on his crankshaft to release the plug that was loctited in place. Out came the torches and he proceeded to heat the whole half of the crankshaft red hot.

Warm, gentlemen! You know, like boiling water warm.
john 2c


Re: Triumph Bonneville: Rotor Nut Removal??? #87917
02/06/06 9:20 pm
02/06/06 9:20 pm
Joined: Jan 2006
Posts: 133
Pentwater, Michigan, USA
S
snowbob Offline OP
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snowbob  Offline OP
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Joined: Jan 2006
Posts: 133
Pentwater, Michigan, USA
John, I will give the "warming" thing a try tonight. Yes, I promise not to heat the whole garage red hot. Snowbob

Re: Triumph Bonneville: Rotor Nut Removal??? #87918
02/06/06 10:34 pm
02/06/06 10:34 pm
Joined: Apr 2005
Posts: 662
Arizona Territory
R
Riff_Raff Offline
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Joined: Apr 2005
Posts: 662
Arizona Territory
If the heat doesn't do the trick, you can also put the bike in 4th, have someone step on the rear brake as Dave mentioned, then use a 2 foot long pipe over your ratchet handle to use as a breaker bar for more leverage...and hope that it's red loctite holding the nut on & not the result of the previous owner possibly having cross-threaded it. Good luck!


"Factory Stock Is A Suggestion Only"
Re: Triumph Bonneville: Rotor Nut Removal??? #87919
02/06/06 11:14 pm
02/06/06 11:14 pm
Joined: Oct 2003
Posts: 125
Toronto
K
keith100 Offline
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keith100  Offline
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Joined: Oct 2003
Posts: 125
Toronto
I guess you could tighten the clutch springs - might overcome the clutch slip enough. I'd be wary of too much heat. I seem to vaguely remember from my schoolboy science that heat is one way to destroy a magnet - ie your rotor!

Cheers

keith

Re: Triumph Bonneville: Rotor Nut Removal??? #87920
02/07/06 12:39 am
02/07/06 12:39 am
Joined: Mar 2005
Posts: 10,087
Boston, Massachusetts
J
John Healy Offline

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J
Joined: Mar 2005
Posts: 10,087
Boston, Massachusetts
Now I have no knowledge that this rotor nut has been offered using Loctite Red, but let's explore what needs to be done from Loctite's point of view if it was.

http://www.loctite.com/int_henkel/loctite_us/loctite_content.cfm?&pageid=214&layout=2#anker4


Especially the part:
Q: How can I remove a fastener that is "permanently" locked in?

A: The application of heat is needed to remove a fastener that can't be removed with a hand tool. Temperatures of 325F and above is needed to break down a standard anaerobic, 500F for high temperature Anaerobics. A heat gun or propane torch is commonly used to do this process, and careful disassembly should occur while parts are still hot. Once apart, and cooled, use methylene chloride (Chisel #79040) to remove cured excess material. Always wipe down the fasteners with clean up solvent to remove the wax film that Chisel leaves on the surface.

This is why I hate Red Loctite around vintage motorcycles. Heating the a hardened part to 500 degrees will remove a lot of the temper , and strength, from the metal.

Blue is very appropriate for the things we work on. When you need to service the motorcycle the fasteners can be removed with normal tools without any heroic effort or damaged parts.
john 2c


Re: Triumph Bonneville: Rotor Nut Removal??? #87921
02/07/06 12:51 am
02/07/06 12:51 am
Joined: May 2004
Posts: 229
Left Coast
S
skidog Offline
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Joined: May 2004
Posts: 229
Left Coast
Bob

My daughter wants to know if Hinkleys will be allowed?


1967 TR6R
1972 T100R
Re: Triumph Bonneville: Rotor Nut Removal??? #87922
02/07/06 2:00 am
02/07/06 2:00 am
Joined: Mar 2005
Posts: 430
Nashville, Tn.
T
T. Sharp Offline
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T. Sharp  Offline
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T
Joined: Mar 2005
Posts: 430
Nashville, Tn.
John, I've always thought that you should have to have a license to buy 'Red' Locktite. I recently rebuilt an engine that the PM (previous mechanic) had used Red Locktite on EVERYTHING, including drain plugs and Phillips head case screws!! Air impact and heat were the only ways to get some of them apart. Lots of cussing on my part. mad

Re: Triumph Bonneville: Rotor Nut Removal??? #87923
02/07/06 4:03 am
02/07/06 4:03 am
Joined: Aug 2001
Posts: 4,369
Owego, NY, USA
Mark Z Offline
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Mark Z  Offline
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Posts: 4,369
Owego, NY, USA
If you can't get the clutch not to slip, the rope-down-the-spark plug hole-trick works! Start with the piston all the way down and valves closed (beginning of the compression stroke). Feed in about 17 feet of 1/2" cotton clothesline. The rope hurts nothing and is easily removed when you're done.


Mark Z

'65(lower)/'66(upper, wheels, front end, controls)/'67(seat, exhaust, fuel tank, headlamp)/'70(frame) A65 Bitsa.
Re: Triumph Bonneville: Rotor Nut Removal??? #87924
02/07/06 7:04 am
02/07/06 7:04 am
Joined: Oct 2004
Posts: 4,429
Melbourne Australia
Tiger Offline
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Tiger  Offline
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Joined: Oct 2004
Posts: 4,429
Melbourne Australia
A folded up [otherwise to be discarded] copper head gasket between the primary chain and clutch chainwheel will work as well as a piece of timber and leave less behind.
Loctite make a grade called "Super Wick In" which is great for securing carb flange nuts if you use the smallest drop possible, applied with a matchstick, after the carb has been mounted.
Slop it on and the studs will have to be removed when next the carb has to come off.


1969 TR6R
7.62 x 51 is not a maths puzzle.
Re: Triumph Bonneville: Rotor Nut Removal??? #87925
02/07/06 5:51 pm
02/07/06 5:51 pm
Joined: Jan 2006
Posts: 133
Pentwater, Michigan, USA
S
snowbob Offline OP
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snowbob  Offline OP
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S
Joined: Jan 2006
Posts: 133
Pentwater, Michigan, USA
Hi Guys! Yeah!!!! I finally got the damn thing loose. I have a heat gun that will melt concrete. I put it on a low setting as John recommended, jamed a 1x2 between the primary and the clutch and guess what? The thing came off like a very tight spark plug comes out. Now the only problem is does anyone have a use for a whole wad of used red Loctite?
Regarding my rally June 2,3&4,2006. As long as it is British I don't care if it was built in England, Australia or India, ie, new Royal Enfields, please show up. This is to benefit the Pentwater Public Library. Snowbob

Re: Triumph Bonneville: Rotor Nut Removal??? #87926
02/07/06 6:08 pm
02/07/06 6:08 pm
Joined: Oct 2003
Posts: 11,168
North Georgia, USA
RF Whatley Offline
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RF Whatley  Offline
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Joined: Oct 2003
Posts: 11,168
North Georgia, USA
Quote:
Originally posted by John Healy:
When you need to service the motorcycle the fasteners can be removed with normal tools without any heroic effort or damaged parts.
john
Oh, you're just sour because there's no more heroes in Boston! bigt


Don't hide 'em, Ride 'em !!

RF Whatley
Cornelia, GA

"Shop Boy" at Rodi British Bikes

Moderated by  John Healy 


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