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Freezebyte
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08.15.2010, 03:37 AM

Part 3: Diff Rebuild and motor sealing



Seeing's how I have not heard back from HPI in regards to a possible replacement diff cup with the broken screw, I decided to just go ahead get get the parts I needed from the LHS and proceed forth. "Frostbyte I" originally had 100k diff oil which resulted in a very hill climbing machine and could power through just about anything. In hindsight, the 100k did decrease my steering and handling a fair amount so I wanted to go less then 100k but I still wanted to keep the wheels from unloading too easy in rough terrain and gain some handling and steering back. Decided just to come to the easiest conclusion and go for 50k in front and rear.



Again, the Team AE green slime is excellent for lubricating the diff seals to help reduce leaks and seal failure.





With the old, stock oil removed and our diff cup replaced, were ready to put in some fresh, bashing diff oil. FYI, only fill up to the top of the first axle shaft to allow for heat expansion and or prevent locking the diffs





Yep, were using the good green stuff on all the seals and lubricating the diff shafts as well so they slide on easy.





And after putting on some fresh bevel seals and screws with a LITTLE bit of blue loctite, our diffs are ready to go!





Brushless motors are incredible pieces of engineering, its amazing how little we have to maintain these things compared to brushed motors. To help extend the life of my new Flux Tork motor as well as reduce maintenance intervals, I'm gonna seal up the front endbells openings with some set screws. I asked Patrick del Castillo, president and principle Engineer of Castle Creations at the RCM forums about doing this last year. He stated that there should be no issues with sealing the endbell of the 2200kv motor up. Never hurts to double check when your dealing with a $200+ motor and asking the president of the company who designed the motor is about as good as you can get! Major Kudo's to Castle Creations for their help and support at RCM in dealing with customers questions and issues on a face to face basis.





These small set screw with a small amount of blue loctite will help keep the motor pretty much sealed and safe from the dust and debris during bash sessions, extending the life of the bearings and reduce cleaning/reoiling. Sounds like a winner to me!


Last edited by Freezebyte; 08.15.2010 at 04:18 AM.
   
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