Gearbox/clutch drama
- Thread starter mr hunt
- Start date
warp9.9
Pocałuj mnie w dupę
unless the cir-clip was distorted during original assembly. That could have had something to do with why it came out of the groove. Not trying to point the finger we know it came out its trying to figure out why now so it does not repeat.
Joesmoe
IMOKUR2
So right -- WHY --
A definition of insanity: Doing the same things and expecting different results.
Keep your eye on the prize -- you two have some amazing chemistry here -- long may you live, and get that Rocket back on the road.
A definition of insanity: Doing the same things and expecting different results.
Keep your eye on the prize -- you two have some amazing chemistry here -- long may you live, and get that Rocket back on the road.
Nat67
Rockgoblin
IMFASTTOO
Living Legend
- Joined
- Nov 23, 2008
- Messages
- 4,394
YES thats the only way the gears could moveWe have a winner....
...you can see where the circlip is and in front is the race in which it SHOULD be sitting....
Paul Bryant
Living Legend
Just for the record, I have many years experience of building M/C Engines, both Stock and Hot Rod, including building and machining my own Engine components.
BUT ! I did get caught out in that I didn't place (probably that exact same) circlip properly when re-assembling my Engine at some stage.
How that happened I do not know and was stunned to find that I had made that mistake (I'd said this in an earlier post)
Soooo, if I can make this mistake when I am painstakingly rebuilding my own engine, what's a factory worker capable of doing, or not doing when doing it day in and day out and not having the vested interest as you and I (apart from thier employment)
Fortunately for me, knowing that I have to check everything all the way and take nothing for granted, I attempted to rotate the shafts before I got too far down the line in assembly, it was at this stage that I found the shafts locked.
Possibly this is what happened to you, the shafts locking, but you were riding down the road at the time
Warp, possibly you would know more about this.
Regarding the depth of the groove that the circlip sits in, we note that the groove is only about 20% depth in the spline, why couldn't this be deeper by double that amount ? I wouldn't see any significant weakening of the shaft.
Wouldn't the core strength of the shaft be the root diameter of the splines ? so therefore the groove could be significantly deeper than what it is ?
If I was designing this, (not having specific knowledge in this area) I would have made the grove at least 50% the depth of the spline.
I appreciate that there is the loading (twisting, rotation) of the drive of the gear on the splines, so that is a factor to take into account.
The 20% depth just doesn't "look" right to me.
Obviously the person who designed these components theoretically thought this depth to be sufficient, obviously in Mikes case it was not.
Also I thought I read some where that the gearbox components (as a set) are bought in from an outside company, not manufactured by Triumph, possibly by J.A.Pan & Co (not that that is an issue) and if that is the case why is it that the Big Kawasaki and Suzuki bikes not have gearbox problems and shift real sweet ?
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rocketjohn
Top Fuel
Where it concerns you, or any one person making an assembly boo boo, well you will kick yourself, but you know it can happen. But on the assembly line there is supposed to be quality control checking.....and it seems that there might at various points in time been, too small a sampling rate in the QC process at Triumph, for while well engineered for the most part, it seems the biggest observed problems are from faulty assembly. On our own we ought check our work as we go, but if we don't, one hopes, the only one it will affect is ourselves.
albertaduke
former airline pilot without the big bucks
Mr Hunt \as I checked my invoice here are the parts that were exchanged for peace of mind in my tranny above and beyond the one needed to be changed
gear output 1st, gear ouput 5th gear output 4th and fork selector 1st &4th if you want them I can ship them anytime just cost of shipping +$ 20 ..so I can tell my wife I recouped my expenses!!
TURBO200R4
stand up straight and grab the world by the a$$
jmo
my assessment of this clip the wear pattern near the top looks to be the same so i would assume that the clip was not bent when it was first installed. At the bottom it has a lot of wear so i assume that it has been trying to push out for a while. usually the clip will have the mark (like slight discolor) of the part that runs against it unless the clip is spinning.
some have mention a deeper grove u can only cut a grove deeper if u have a ring that will fit tight on the shaft grove.
i thing that the spiral clip is a good idea if i had the wright size i would use one. i have seen these spiral clips used in automatic transmissions a few times.
if it is not to much trouble a pic of the other side of this clip.
Link Removed
my assessment of this clip the wear pattern near the top looks to be the same so i would assume that the clip was not bent when it was first installed. At the bottom it has a lot of wear so i assume that it has been trying to push out for a while. usually the clip will have the mark (like slight discolor) of the part that runs against it unless the clip is spinning.
some have mention a deeper grove u can only cut a grove deeper if u have a ring that will fit tight on the shaft grove.
i thing that the spiral clip is a good idea if i had the wright size i would use one. i have seen these spiral clips used in automatic transmissions a few times.
if it is not to much trouble a pic of the other side of this clip.
Link Removed
warp9.9
Pocałuj mnie w dupę
Its hard telling for sure but it looks like from this cir-clip view it was facing outward away from the gear and bushing. If so it looks like it was installed back assward the radius on the ears should be towards the thrust face of the splined bushing. Then if the ring spun in the groove there would be a polishe sutface verses the spline impression as you can see in the view above.
Guess we'll have to whay for mr hunt to give us further info.
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