Red SLR Posted September 17, 2014 Share Posted September 17, 2014 Had a prop shaft fail yesterday (not on a 7!) and whilst I had it jacked up I had turned the main flange a few times just to check the diff is ok. It turns nice and quiet but I did notice there is quite a bit of slack in the take up of drive onto the flange - is this normal? Its a good 1/2" of play? I am not an expert on diffs so pass it over to the POBC! 😶🌫️ Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted September 17, 2014 Member Share Posted September 17, 2014 Discussed here: should be "virtually nothing". Jonathan Link to comment Share on other sites More sharing options...
Red SLR Posted September 17, 2014 Author Share Posted September 17, 2014 Will have to dig a bit more then. Its an 8x4 vehicle so its got a centre diff diving the 3rd axle and a rear diff driving the 4th. Both open diffs in normal operation... hmm. Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted September 17, 2014 Member Share Posted September 17, 2014 Quoting Red SLR: Its an 8x4 vehicle...Perhaps that thread might not be strictly relevant... :-) Jonathan Edited by - Jonathan Kay on 17 Sep 2014 15:41:33 Link to comment Share on other sites More sharing options...
Support Team c7trp Posted September 17, 2014 Support Team Share Posted September 17, 2014 30 tonner? My knowledge is a bit out of date, but this amount of lash not unusual IME. (Mostly Leyand, Eaton and ROR stuff both CWP and worm drives) Centre bearing or UJ failed on the prop out of interest? Dunning and Fairbank good for refurb of the prop. Link to comment Share on other sites More sharing options...
Ed White Posted September 18, 2014 Share Posted September 18, 2014 Given the differences between the crown wheel and its pinion, I'd not be surprised if that showed up as 1/2 inch of play at the flange. Thats 1/4 inch each side of the mid point? On something big like that, that's reasonably normal. Link to comment Share on other sites More sharing options...
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