Charlie D Posted December 9, 2017 Report Share Posted December 9, 2017 Hello Hamish, Just a point about putting the gearbox back in. I think it is worth making a crude wooden “Cradle” to fit under the gearbox that you can then put the jack under. When I did mine a couple of months ago (took 2 days !!!) I found that the gearbox kept wobbling on the jack. It kept twisting and turning, flopping to one side or the other. With the weight of the thing (mine has OD as well) it was difficult to get it back straight. I’ve had shoulder problems for about 20 years and I was really in pain and getting fed up with the whole process. All it needs is a piece of 12mm plywood and a couple of bits of 4x2 or whatever to go each side of the box. It’s probably easy to work it out with the box on the floor. You just need to support the sides to stop it twisting. Having said all that I’ve never heard of the idea before, so maybe I was just unlucky with the problems I had. It’s just soooo heavy to get back up when it twists off the jack and ends up half on the garage floor and half on the car floor. Charlie Quote Link to post Share on other sites
RogerH Posted December 9, 2017 Report Share Posted December 9, 2017 Hi Charlie, PM John Morrison with regards plans for his mini hoist - it is so good you will want to remove the GB every week-end just for fun. Roger Quote Link to post Share on other sites
Waldi Posted December 9, 2017 Report Share Posted December 9, 2017 Can someone explain why the drive flange (on the gearbox outputshaft) and the flange on the prop shaft are marked for orientation? I do not see the need for this, but since everyone seems to do this, I may be (will be?) wrong. Off course, the UJ's on the 3 shafts are/shall be aligned. Thanks, Waldi Quote Link to post Share on other sites
Hamish Posted December 9, 2017 Author Report Share Posted December 9, 2017 Waldi Perhaps its because all these long rotating parts are hand made thus compounding errors are built in that there is an optimum of balance that is then marked. Rather than a very technical balancing process for perfect performance. That would be my guess given all I hear about the design material and manufacture of all the cars of this period ???? ???? ???? Quote Link to post Share on other sites
Waldi Posted December 9, 2017 Report Share Posted December 9, 2017 Hi Hamish, The prop shafts are balanced indeed, normally on a bench as an individual part, not after installation to the gearbox/rear differential. This practice is done sometimes however with for example wheels bolted to the car to balance the complete " rotor assembly". Basically similar to what is done with turbine/pump rotors. But I doubt this is the case here. Let's wait for the eminences grises. Regards, Waldi Quote Link to post Share on other sites
Hamish Posted January 10, 2018 Author Report Share Posted January 10, 2018 (edited) An update. John Morrison of the gearbox crane fame contacted me and I have taken up his kind offer of borrowing his crane. Isnt this club and forum great Edited January 10, 2018 by Hamish Quote Link to post Share on other sites
Ian Vincent Posted January 11, 2018 Report Share Posted January 11, 2018 I know it's good practice but the amount of eccentricity on a propshaft must be minimal so it's impact on the overall smoothness of a TR3 that is bouncing around on cart springs must be negligible. Rgds Ian Quote Link to post Share on other sites
Hamish Posted January 23, 2018 Author Report Share Posted January 23, 2018 (edited) Another late update. Thanks to John ( the gearbox crane) Morrison the box is finally back in the car and attached to the engine. I still struggled to get all the splines lined up. God knows how you do it without the crane ?!?! By yourself at least. I also took loads of pics on my phone for reference. What I have done is break my clutch slave cylinder Edited January 23, 2018 by Hamish Quote Link to post Share on other sites
John Morrison Posted January 23, 2018 Report Share Posted January 23, 2018 Hi Hamish, glad the box is back in, but your slave cylinder/pushrod assembly looks all wrong to me. Cylinder is the wrong side of the bracket for starters, so pushrod is way too short needing the spacer washer, I'll try and get a photo of mine and post later. John. Quote Link to post Share on other sites
RogerH Posted January 23, 2018 Report Share Posted January 23, 2018 Hi Hamish, is the black attachment plate asymmetric - can you turn it over to bring the slave upwards. Roger Quote Link to post Share on other sites
Hamish Posted January 23, 2018 Author Report Share Posted January 23, 2018 Thanks John The slave and bracket arrangement is as per PO and it has worked well. But if I have to change the order. Ill need another rod !!! Roger I could have a play with the plate positioning. Not sure if it can go the other way but Ill have a look. What I need to know is which slave cylinder to buy ? H Quote Link to post Share on other sites
RogerH Posted January 23, 2018 Report Share Posted January 23, 2018 Hi Hamish, have no idea about your part number but why not give the correct part a go https://www.moss-europe.co.uk/shop-by-model/triumph/tr2-4a/clutch-transmission-drivetrain/clutch-systems/girling-clutch-hydraulics-tr3-from-c-ts13046.html item #69 Roger Quote Link to post Share on other sites
Hamish Posted January 23, 2018 Author Report Share Posted January 23, 2018 Thanks Roger. Ordered slave and a new rod so I can hopefully sort it all out in one go. ???? H Quote Link to post Share on other sites
John Morrison Posted January 23, 2018 Report Share Posted January 23, 2018 Hamish as it should be. John. Quote Link to post Share on other sites
Hamish Posted January 24, 2018 Author Report Share Posted January 24, 2018 Hamish as it should be. John. Thanks John Always useful to have the right pics. And posting at midnight is beyond the call of duty. Thank you H Quote Link to post Share on other sites
John Morrison Posted January 24, 2018 Report Share Posted January 24, 2018 No worries, just remember to adjust the pushrod so there is around 1/16" freeplay in the drop arm. John. Quote Link to post Share on other sites
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