RogerLCannon
New member
- Joined
- Sep 27, 2021
- Messages
- 1
- Tractor
- John Deere 3520
I did the same mistake as Rford, I rarely greased the hub and the bearings and end cap broke apart. I would recommend anyone buying this tiller to take off the hub cap and check how much/if any grease is inside. I ordered the entire hub assembly PN 184070 not knowing how much was damaged inside the hub. You might be able to buy the bearing and replacement seal double lip to do the repair but if you are reading this your cap PN 902342 is probably busted too. Just get a new hub assembly with the bearings/seal lips/cap PN 184070 for less than the price of the individual parts.
My fix was was Razo did (thanks by the way!), I removed the outside gear box to angle the whole rotor assembly. I also removed the bottom gear but I don't think that was necessary. To remove the top most gear it requires a snap ring pliers and the one I bought was barely big enough to get the snap ring open.
To get the outer damaged hub off I used a large 3 jaw puller and some decent taps with a sledge hammer (see the attached photo).
Reassembling the top most gear back was confusing, the shaft going back to the central gear box can slide in towards the center gear box so you probably will have to pull the shaft out to get the snap ring back into the grove.
Also I reversed all the bolts attaching to the frame so the nuts are on the outside of the tiller. The threads were getting a little beat up that were inside the frame and I assume it would be easier to loosen them when the nuts are on the outside instead of trying loosen them from the bolt head assuming I have to do this again...
My fix was was Razo did (thanks by the way!), I removed the outside gear box to angle the whole rotor assembly. I also removed the bottom gear but I don't think that was necessary. To remove the top most gear it requires a snap ring pliers and the one I bought was barely big enough to get the snap ring open.
To get the outer damaged hub off I used a large 3 jaw puller and some decent taps with a sledge hammer (see the attached photo).
Reassembling the top most gear back was confusing, the shaft going back to the central gear box can slide in towards the center gear box so you probably will have to pull the shaft out to get the snap ring back into the grove.
Also I reversed all the bolts attaching to the frame so the nuts are on the outside of the tiller. The threads were getting a little beat up that were inside the frame and I assume it would be easier to loosen them when the nuts are on the outside instead of trying loosen them from the bolt head assuming I have to do this again...
