drive shaft bearing flanges/gasket/oring

[Hoppy]

Doing a track swap on a '77 cyclone and upon removing the drive axle i have found the bearing flanges on the crankcase side are bent..............anyone know a source for new ones? also think i should replace the o-ring and gasket on the flange against the chaincase. anyone know where i can get those?

can someone confirm this for me...............on the driveshaft chaincase side it goes like this correct?
bearing flange, bearing, o-ring over bearing,other bearing flange with gasket on outside against chain case. correct?

[WinnipegStPaul9]

Mark, you can find the flanges and the gaskets. With regard to the gaskets, I would recommend that you stop by an auto store,i.e. NAPA and buy cork material and make your own. I've found that NOS cork gaskets have shrunk to the point where they're unusable. I even tried soaking them in water but they never returned to the normal size. The flanges are still available from John Deere and the part number is M80293. They do not however still service the gasket. In thinking about it you most likely don't even need cork material but could use any gasket material that likes oil. Oh, the O-Ring is available also from John Deere and the number is U42111.

[Hoppy]

DA, thank you sir. what about bearings? john deere have those also you think?

[400brian]

Deere has the bearings, as will any place that sells bearings, very common size.

[WinnipegStPaul9]

Mark, the driveshaft bearings are JD8665 (subbed from JD 8555) and the jackshaft bearings are JD8562. I have always used bearings from John Deere. I was surprised, and perhaps a little disappointed, that my latest purchase had "Made in China" on the John Deere boxes. Just FYI.

DA

[Hoppy]

DA, yup you are correct. cross over to updated JD8665. i was able to order the flanges, o-ring and bearings from a JD parts supplier. should be here just in time with new slides also.


question for you guys...........im looking at the breakdown in the manual of the drive shaft setup. it shows the bearing spacer on the speedo side right up against the tunnel with the flange and bearing on the other side of that.
im 99% sure that is not the way it came off the sled though. when i slipped that end down everything sorta slipped off the shaft and fell on the floor. but if i look at the tunnel from the inside underneath the mark an the tunnel is a perfect circle.....looks to me like a bearing flange was right up against the tunnel and the spacer was somewhere else?
do i put back together per the diagram out of the manual? can anyone look at there '77 cyclone and tell me how theres is setup? looks to me as the bearings on the driveshaft are not matching that maybe someone was in here before? one side is a Fafnir RA100 and the other is a Armorguard? any ideas on the proper position of the bearing spacer for speedo side?

[harleysportster]

Hoppy,
Check out the picture of my Cyclone. The thick spacer goes up against the tunnel on the speedo side. Make sure you install the bearings with the locking flanges facing the splined end of shaft (chain case side).

[Hoppy]

sure looks like this one was put back together wrong by the previous owner based on your picture.
harley........what do you mean "locking flanges"? i can see in your picture that the flange on the tunnel is lip out on the case side. the bearings that came off have a flange built into them. i would think it would be flange end in towards the drive cog on the bearing. same thing on the other side. flange on the bearing facing inwards? correct?
wish the diagram showed a better drawing of the actual bearing assy. does the o-ring simply slip over the bearing in between the two flange plates?

[WinnipegStPaul9]

does the o-ring simply slip over the bearing in between the two flange plates?

Yes

[harleysportster]

The locking flanges are the extended part of the bearing on one side. It is not perfectly round. The picture can be misleading because not all tracks have the center drive lugs and also my Cyclone has a Trailfire hex driveshaft.
This may help.
http://jdpc.deere.com/jdpc/servlet/com. ... lustration

[harleysportster]

This is a typical RA100 bearing.

The Cyclones do not use the locking ring.

[Hoppy]

harley...................i owe you a beer or two if we ever meet! thanks i know it takes time on your part to take pictures, etc. i really appreciate it. not only new to deeres but pretty new to sleds in general. still trying to learn all the ins and outs and terminology revolving around these old girls. ill get some pictures up later of what im working with.

DA, i owe you a KEG!

[Hoppy]

my 77' has a hex drive shaft with no center wheel.............is that not original? mine looks exactly like yours does in that picture.

[harleysportster]

The hex drive shaft was a replacement for failed round shafts. The center idler was deleted for the '78 models. Basically when the hex shaft was used, the center idler was deleted as well.