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Trying to remove Compensating Sprocket Nut

Started by robflstc90, August 27, 2011, 12:59:10 PM

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robflstc90

Been a while but I'm BACK. Trying to remove the nut for the compensating sprockey Assy. The book says it sould be 90-100 Ft lbs. I've heated it put an impact on it & nearly blown my back out trying to wrench it off. The bike is a 1990 Heritage Softail. Anyone had simalar issues?  The manual says nothing about it being LH threads. I even called my local dealer & he confirmed they were RH. He said they may have used a lot of loctite when they assembled it. HELP
Some days my bike runs like there's nothing wrong in the world, other days :(

76shuvlinoff

When the one on my shovel was stuck like that it took heat (not red hot) and an electric 3/4 drive impact wrench. Now  I've been warned an impact can knock the magnets loose in the rotor but that has not happened yet and it's been off a few times since.
RH threads, impact off, torque wrench on, blue locktite worked fine for me.

hold on a sec, I don't have my flame suit all the way on yet....

I dumped the compensator for a straight sprocket 24,000 miles ago, 93" shovel. So far that works for me too.

okay fire at will.
Critics are men who watch a battle from a high place, then come down and shoot the survivors.
 - Ernest Hemingway

hood1340

That Greek fella, Archimedes, said "Give me a long enough lever and a fulcrum on which to place it and I shall move the world". This translates as a 2 man job...  your mate lying on the garage floor with his boot pressing the socket onto the nut, and you (several feet away on the end of a scaffolding pole slipped over the end of your tommy bar). So long as you have that primary locked, it's tight but it can't defy the laws of physics. You just need a longer lever. And yes, you are turning it the correct way (left hand thread). Good luck!

hood1340

OOPs! Right hand thread (ie conventional). Why did I write left hand? Why is there always a spoon left in the sink when the water drains out? Bizarre.

ChopperBob66

You can probably rent an electric impact from Home depot for a few bucks. That would be my choice.
MMC(SS) USN ret.
Phoenix, Az

HyperDetroit

A few years ago I was at a loss trying to loosen the compensating sprocket.  It wouldn't budge at all, even with the impact gun's tunrned to full force.  Wound up getting someone to hold the socket and someone else to hold the bike in place and using a really long Snap-On breaker bar and even longer pipe on the end of it, the thing finally relented.  It did take three people to loosen it, but nothing else worked.

Hope this helps
Hyper
Всё в руках божьих

Scootrskum


crazylore

04FLSTFI 95" TW 44 cams

76shuvlinoff

Critics are men who watch a battle from a high place, then come down and shoot the survivors.
 - Ernest Hemingway

FSG

#9
a stand under the outer end of the drive also helps, Note: this is not my pic, no locking bar and nut is being torqued, unless it was just staged for the pic.



as does shortening and truing up the end of the socket, Note: I use 3/4" drive on the Comp & Clutch Nuts.


moose

Moose aka Glenn-

hbkeith

I use 1 of these (differant brand but same wrench) ,its called a SWENCH, http://www.powerhawk.com/products_swench.html   , with the socket done as FSG says, fews snaps and its off, if you know anyone who works on heavy equipment,semis etc. they probally have one, mine is adjustable to 750 ft lbs

76shuvlinoff

#12
one word of caution

The first time I ever tried to remove my compensator I did not have a locking bar so I tried wedging a piece of brass between the chain and clutch basket teeth with the tensionor removed. This allowed enough slop for my wedge to push the chain down against the inner cover and shatter it.

That is a sickening sound.
Critics are men who watch a battle from a high place, then come down and shoot the survivors.
 - Ernest Hemingway

FSG

#13
QuoteI use 1 of these (differant brand but same wrench) ,its called a SWENCH, 
Yep, on HTT =>  SWENCH, 3/4 drive spring loaded ratchet style impact

another good HTT thread on Compensator Nut

robflstc90

Went & got a buddies 650 ft.lb. impact yesterday. Had too many cervezas. So I'll have to give it a go today wish me luck :)
Some days my bike runs like there's nothing wrong in the world, other days :(

mkd

i used a socket with a  3/4  " drive and then attached it to a 3/4" slider bar. once i turned the bar till i got all the slack out of everything i then slide a 6' pipe over the bar and started putting my 270 into it. it would of helped to have someone hold the bike and socket. not a fan of the impact wrench in this situation! could do more harm than good!

prodrag1320

use air to get them off,air to put them on,never use loctite,and youll be fine

Old Crow

Yup, I've been using air to change 'em out for over 11 years.  Never busted a rotor yet(except for the one that ate one of those little screws for the plug retainer).
I also ditched the compensator on my '92" shovel with no adverse effects that I notice.  Ain't ditched the ones on either of the evo's yet, but they ain't started knocking yet.
This ain't Dodge City, and you ain't Bill Hickock.

smittyon66

I usually use an electric impact to get them apart. I still like to tighten them with a torque wrench.

One important tip - Make sure you clean all the old loctite out of the nut, or you will get a false torque reading when tightening. I use a small 90 degree pick to clean out the threads.
Forget the bull"Potty mouth" - it's all about two wheels and a motor!

BluHarley

That's what I've used, an electric impact driver from Harbor for $30.  But I've read on other posts on this web site that the impact driver can knock the push rods out of alignment on the fly wheels.  Anyone had that kind of problem before?

robflstc90

Well it's off! tried a 3' piece of pipe on a breaker bar first but ended up putting the impact on it. There's a gob of red loctite in the bottom of the nut. The stator doesn't appear to be damaged, only the connecting plug.
Some days my bike runs like there's nothing wrong in the world, other days :(

prodrag1320

Quote from: BluHarley on August 30, 2011, 06:18:30 PM
That's what I've used, an electric impact driver from Harbor for $30.  But I've read on other posts on this web site that the impact driver can knock the push rods out of alignment on the fly wheels.  Anyone had that kind of problem before?
pushrods on flywheels???

BluHarley


robflstc90

A word to the wise. After manipulating the nut sharp edges are formed. Refrain from turning the nut by hand after breaking it loose.
Some days my bike runs like there's nothing wrong in the world, other days :(

Sixspeed

"The HAPPIEST people just make the Best of Everything"