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Author Topic: flexing under hard acceleration  (Read 2708 times)
Chrisj CMA
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Posts: 14789


Crestview (Panhandle) Florida


« Reply #40 on: May 08, 2018, 06:07:53 AM »

OK, finally saw those pictures. If your wheel looks anything like that (sounds like it may) I would not recommend using that wheel any further.  You need a new one.  Good used ones can be had for a couple hundred.
« Last Edit: May 08, 2018, 06:35:41 AM by Chrisj CMA » Logged
Factor
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Posts: 37


Clayton, NC


« Reply #41 on: May 16, 2018, 09:58:47 AM »

So I cleaned up my parts and saw that I had a pretty torn up drive flange gear. I ordered a replacement from ebay. The matching gear within the final drive appears to be ok after cleaning and inspection. At least I really hope so since it's real hard to see down into that gap. I felt around with a dental pick and it appears smooth.



I then removed the wheel bearings and ground down the lip that resulted from not having the nylon thrust washer installed. It turns out to be about 0.034" of wear down from the original surface. I ordered two replacement nylon thrust washers and will double them up upon installation. I'm really hoping they're about 0.034" thick. If not, I can sand them down to fill that gap. I'm hoping that the compression from the additional nylon isn't significant under load. I guess I'll have to stop power shifting. And eat more salad.



You can see in this pic where the bearing edge is riding high even after being fully seated in it's cup.



Now onto the Progressive 416 air shocks. Does anyone have an idea where a seal kit can be found? I've scoured the inter-webs to no avail. Progressive (true to form) hasn't responded to my inquiring emails.
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Steve 
VRCC# 38798
'75 Hoda GL1000 Project
'83 GL1100 MonkeyWing
'70 Suzuki T500 Titan
'99 Valkyrie Tourer
'64 MGB
'89 Isuzu Trooper 3.4L
IBA #58082
All my stuff is old. It makes me feel young.
Chrisj CMA
Member
*****
Posts: 14789


Crestview (Panhandle) Florida


« Reply #42 on: May 16, 2018, 10:09:14 AM »

So I cleaned up my parts and saw that I had a pretty torn up drive flange gear. I ordered a replacement from ebay. The matching gear within the final drive appears to be ok after cleaning and inspection. At least I really hope so since it's real hard to see down into that gap. I felt around with a dental pick and it appears smooth.



I then removed the wheel bearings and ground down the lip that resulted from not having the nylon thrust washer installed. It turns out to be about 0.034" of wear down from the original surface. I ordered two replacement nylon thrust washers and will double them up upon installation. I'm really hoping they're about 0.034" thick. If not, I can sand them down to fill that gap. I'm hoping that the compression from the additional nylon isn't significant under load. I guess I'll have to stop power shifting. And eat more salad.



You can see in this pic where the bearing edge is riding high even after being fully seated in it's cup.



Now onto the Progressive 416 air shocks. Does anyone have an idea where a seal kit can be found? I've scoured the inter-webs to no avail. Progressive (true to form) hasn't responded to my inquiring emails.


At least I really hope so since it's real hard to see down into that gap. I felt around with a dental pick and it appears smooth.

that is confusing to me.  What you need to be sure of is that the teeth (female splines) are not excessively worn.  If they are worn and the flange you bought is a little worn, that wear is not compatible, its compounded and the life of those splines is not going to be as long as it should be.  I dont understand what you mean hard to see and feeling smooth.
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The emperor has no clothes
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Posts: 29945


« Reply #43 on: May 16, 2018, 10:44:10 AM »

I’d be willing to bet you have just as much wear on the teeth inside the pumpkin as you do on the flange. I wouldn’t use that wheel either. I think you are going to have to bite the bullet and look for a good used one. Along with pumpkin and flange. Or repair them. Just my opinion from an amateur mechanic.
« Last Edit: May 16, 2018, 02:02:49 PM by meathead » Logged
indybobm
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Posts: 1601

Franklin, Indiana VRCC # 5258


« Reply #44 on: May 16, 2018, 12:22:59 PM »

Another wheel is needed. For one, two thrust washers will not fill in that gap. For two, you cannot expect nylon to support the lateral movement of the drive flange as well as the aluminum wheel would.
Bite the bullet and spend the money on a new wheel. Otherwise you will be wasting your money on a new drive flange.
As for the spines in the Final Drive, you should be able to clean them thoroughly to be able to inspect them and determine what condition they are in.
It is an absolute necessity to get the splines clean. Any grit, metal, or foreign substance in there will act as a grinding compound to quickly wear the splines.
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So many roads, so little time
VRCC # 5258
Factor
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Posts: 37


Clayton, NC


« Reply #45 on: May 17, 2018, 06:26:38 AM »

Here are the female splines which don't look too bad in my opinion. Obviously, this is a less than ideal situation matching two worn gears from different sources. The price of a final drive is a bit steep ($350+) and if I can avoid that I'm willing to throw these two dance partners together and see where they go. Worse case scenario, the backend gets loose again and I'm looking at replacing the entire final drive - or at least at matched set of ring gear and drive flange - which I doubt I can find outside of an entire final drive. I'll pull it all apart after a few month before the next big trip and see how it's doing.


Still need to get some solvent in there and clean it up good.

As for doubling up the nylon washer - I'm guessing on size since I never saw the original. A better solution would be to get a steel fender washer that could fill that gap. That'll probably require some diligent searching and maybe even some custom fab work. But even if I have to have that one steel fender washer milled, it'll be cheaper than getting an entire wheel and moving my tire over onto it - by a long shot. And I'm confident that is a long term solution.
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Steve 
VRCC# 38798
'75 Hoda GL1000 Project
'83 GL1100 MonkeyWing
'70 Suzuki T500 Titan
'99 Valkyrie Tourer
'64 MGB
'89 Isuzu Trooper 3.4L
IBA #58082
All my stuff is old. It makes me feel young.
indybobm
Member
*****
Posts: 1601

Franklin, Indiana VRCC # 5258


« Reply #46 on: May 17, 2018, 10:36:55 AM »

Other people have machined the wheel hub and put some type of washer/shim in there. It might need to be anchored so that it does not rotate between the thrust washer and wheel hub. This is an aunknown area.
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So many roads, so little time
VRCC # 5258
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