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1845c Sprocket Shaft Bearit

Zewnten

Senior Member
Joined
Apr 2, 2018
Messages
568
Location
Earth
I need to replace the needle bearings in the sprocket on the right side sode of the machine, sprocket moves back and forth. I'm guessing I need to loosen the chains pull the shaft and then work the sprocket out one of the access holes. I guessing 5 hours to do it. Thoughts or suggestions? (Asked before in the skid section but no go, sorry for the double post)
 

kshansen

Senior Member
Joined
Mar 11, 2012
Messages
11,197
Location
Central New York, USA
Occupation
Retired Mechanic in Stone Quarry
I need to replace the needle bearings in the sprocket on the right side sode of the machine, sprocket moves back and forth. I'm guessing I need to loosen the chains pull the shaft and then work the sprocket out one of the access holes. I guessing 5 hours to do it. Thoughts or suggestions? (Asked before in the skid section but no go, sorry for the double post)
Been a few years since I got that deep into the chain box of an 1845c but the first thing I would do is move the cab forward after properly supporting the boom.

Then I would start removing the chains from the chain box followed by at least one of the drive axle assemblies. That should give you good access to get the center gear assembly out of the gear box.

Actually might not be a bad idea to remove both axle assemblies to be able to clean and inspect them both. And be sure to make notes on which way gears are installed and any spacers or thrust washers are installed! I would be ready to have to replace the shaft the center gear rotates on as I believe the bearings run on the shaft.

While you have the cab forward a good inspection of the other side would be a very good idea.
 
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