Howard R Posted June 2, 2009 Share Posted June 2, 2009 On the James Whiting live axle rear disc conversion does anyone have the problem of the 2no. allen bolts either side of the driveshaft nut coming loose 🤔 If so is there a solution to prevent this happening 🤔 Green Fireblade Pilot Link to comment Share on other sites More sharing options...
blade_runner Posted June 2, 2009 Share Posted June 2, 2009 If your talking about the 2 small grub screws that take up the space between the hub and the bearing, mine were always working loose I could tighten them, go out on track for 20 mins, come in and they had worked loose and there was play in the halfshaft again, when I changed my crown wheel and pinion over the winter, I used a small amount of low strength thread lock, and so far it seems to be holding. However what I will do in the future if I have to pull the axle apart for any reason is have the gap between the hub and wheel bearing measured and have a couple of shim's made up so that when the half shaft nut is tightened the wheel bearing and hub are in contact all the time. 'Pinky Pics' here Link to comment Share on other sites More sharing options...
jonboylaw Posted June 2, 2009 Share Posted June 2, 2009 SPC do a set of brackets with integrated shims here. Very reasonable price as well. This is for the Ford Axle though. Jon Link to comment Share on other sites More sharing options...
Howard R Posted June 3, 2009 Author Share Posted June 3, 2009 What do i need to remove to access the 2no. grub screws 🤔 Link to comment Share on other sites More sharing options...
STEVE GILBERT Posted June 3, 2009 Share Posted June 3, 2009 The wheel centre caps. Best to use a 'screwdriver' Allen Key like the one I used to have Steve Mine came undone too, or so it seemed, all that's really happening is your pulling the shaft out a bit each time you tighten them up. you could improve this by machining up some nice interference fit collars and press them on the shafts behind the bearings. Some shafts had tack welds as well (mine did) but they had come 'un tacked' Not ideal really. I was so impressed with all this on my Blade I fitted a Ford Axle. Steve See My Caterham Fireblade Here. Edited by - STEVE GILBERT on 3 Jun 2009 08:15:54 Link to comment Share on other sites More sharing options...
Howard R Posted June 3, 2009 Author Share Posted June 3, 2009 i know how to tighten them up What do i need to remove to measure up for shims or to threadlock the bolts in place Link to comment Share on other sites More sharing options...
blade_runner Posted June 3, 2009 Share Posted June 3, 2009 Im sure I gave you that allen screw driver back Steve Howard if you want shims made up you would have to remove the brake caliper, undo the 4 bolts that hold the ali plate onto the axle that retaines the wheel bearing, extract the hub/halfshaft/bearing as one unit ( draining the axle of oil first!) then take it some where and have the gap between the hub and bearing measured, have a shim made, undo the half shaft nut, use a press to split the hub and half shaft, if you have got this far you might as well change the wheel bearing for a new one, after new bearing fitted, pop new shim on the halfshaft, check condition of the key in the keyway on the half shaft ( there usually in a poor condition ) so may need a new key, refit hub tighten half shaft nut to around 110ft/lbs, change oil seal in axle, slide half shaft back in, re fit ali bearing retaining plate, refit cailper... not a 5 min job. 'Pinky Pics' here Link to comment Share on other sites More sharing options...
Howard R Posted June 4, 2009 Author Share Posted June 4, 2009 😶🌫️ Thanks Link to comment Share on other sites More sharing options...
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