09-06-2016, 04:28 AM | #1 |
Newbie Join Date: Sep 2016 Location: Australia
Posts: 30
| Drive Problem
Hi, Ive just purchased my first RC a Twin Hammers RTR & have just put 500k oil in the front diff. I took it out & all was fine for about 5 mins then when it was on its back I heard a sound like gears slipping. Then I lost all drive to the front diff. I pulled it apart again & couldnt find a problem & when I put it back together it was working again. I drove around a bit & all was good so I tried some more climbing & once the front started spinning I lost front drive again? The drive shaft screws are tight & it seems to be slipping/jumping teeth between the first drive gear in the housing & main gear on the outside of the diff. The diff seems to be working ok. Any help would be appreciated as its driving me crazy. Bart |
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09-06-2016, 04:52 AM | #2 |
Slow is the new Fast Join Date: Nov 2013 Location: Winterpeg
Posts: 2,906
| Re: Drive Problem
Is the pinion gear meshed properly with the Spur gear? I have had issues with the grub screws that secure the drive shaft to the front differential on a couple of occasions and have re-tightened and used blue loc-tite to secure them. |
09-06-2016, 06:08 PM | #3 |
Quarry Creeper Join Date: Sep 2010 Location: appleton
Posts: 357
| Re: Drive Problem
Most likely the set screws on the center driveshaft Sent from my LG-H900 using Tapatalk |
09-07-2016, 01:28 AM | #4 |
Newbie Join Date: Sep 2016 Location: Australia
Posts: 30
| Re: Drive Problem
Ok So I checked the set screws on the front drive shaft & they are tight BUT the shaft Is moving in & out slightly whilst it is attached to the pinion & i think this is where its disconnecting. All I have done is change to 500K oil & tighten up the spring collars on the front & rear shocks. Could this be causing issues & how do i fix it? |
09-08-2016, 09:42 AM | #5 |
Rock Crawler Join Date: Jul 2005 Location: Playing with toys with my son's
Posts: 616
| Re: Drive Problem
This may be a stretch but I did run into this with one of the used diffs I purchased. They did not put the blue gasket back on when the diff was filled (the one between the ring gear and carrier). It gave it just enough play to allow the pinion gear jump on the ring gear.
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09-10-2016, 12:05 PM | #6 |
Newbie Join Date: Sep 2016 Location: Australia
Posts: 30
| Re: Drive Problem
Thanks I'll check. Do you mean the blue gasket on the main case?
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09-10-2016, 12:12 PM | #7 |
Newbie Join Date: Jul 2016 Location: Lake stevens
Posts: 30
| Re: Drive Problem
Yes, that's the gasket he is referring to.
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09-10-2016, 12:47 PM | #8 |
Newbie Join Date: Sep 2016 Location: Australia
Posts: 30
| Re: Drive Problem
Thanks guys
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