Quote:
Originally Posted by dimblum
The kit includes the proper ball diff grease. You don't need to use too much grease for each diff - just enough to coat the balls and plates.
Getting the proper tension is the tricky part. I used the Tamiya method of tightening the diffs which is covered in step 3 of the DB-01 build manual. This same method should be shown in the DB-01R manual as well. If not, follow these steps:
1 - tighten the diff screw till the diff feels firm
2 - run two thin metal objects (allen keys for example) between the slots of each diff joint
3 - hold the diff and the allen keys with one hand and grab the pulley with the other hand (basically the allen keys slid between the diff joints will allow you to lock the diff)
4 - Now try to rotate the pulley while the diff joints are held in place. If you can get the pulley to slip without too much force, then you need to tighten the diff a little more (repeating steps 1-4).. Keep tightening the diff until you can no longer rotate the pulley by force. This is the sweet spot for diff tension.
Overtightening your diff can be bad news. I have crushed a thrust bearing and the K4 plastic nut retainer by overtightening. This method has worked excellent for me.. Great driving control and the diffs stay in perfect condition.
Hope this helps.
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As the manual states heres the image TRF501X, (For the DB-01 I think shims on the outdrive are required )
Hope this helps
Andy