JJC Posted June 27, 2016 Report Share Posted June 27, 2016 Does anyone know the size of socket or spanner needed for the o/d drain? Over the last 62 years its got a bit battered. I've tried all my large sockets and all those I can borrow. Would like to know the correct size before doing anything drastic. JJC Quote Link to post Share on other sites
JJC Posted June 28, 2016 Author Report Share Posted June 28, 2016 So has this one beaten everyone? Quote Link to post Share on other sites
RogerH Posted June 28, 2016 Report Share Posted June 28, 2016 Hi JJC, on the 'A' type OD there is a big brass nut for the filters. The main drain plug is on the gearbox and this is 7/16AF (I think) square head. If it is rounded off then you will need to be inventive. Stilsons, serious Moles, Welded nut etc. Roger Quote Link to post Share on other sites
JJC Posted June 29, 2016 Author Report Share Posted June 29, 2016 Yup it's the big brass nut. Have tried the inventive approach but am loath to thoroughly graunch it. However as this is to drain the 0.4 litres of GL5 (thanks to your post) and at my age I won't be doing it again that's the route I'll go. Maybe tidy it up when it's off. JJC Quote Link to post Share on other sites
RogerH Posted June 29, 2016 Report Share Posted June 29, 2016 Hi JJC, the big brass nut is easy enough to remove. It is slotted to take a 'C' spanner but yours sounds beyond that. However there must be some remains of the slots. Use a brass or Ali drift with a few taps with a hammer. If a tap doesn't do it giver it a whack. GL5 - how did that get there. Roger Quote Link to post Share on other sites
JJC Posted June 29, 2016 Author Report Share Posted June 29, 2016 Roger - no it's the early version which has a nut about 1 3/16 across the flats. It's the later version that uses a c spanner which I also have to drain on the 6. But I'm planning to buy one from Moss. I have three gearboxes to drain off the GL5 so I'm not too happy but glad you spotted it. JJC Quote Link to post Share on other sites
Lynx Posted June 29, 2016 Report Share Posted June 29, 2016 Afternoon, I've just crawled under my TR3a and my 30mm socket (one of the multi variety designed to cope with a bit of variation in size) fits perfectly. Good luck! Andrew Swanage Quote Link to post Share on other sites
JJC Posted June 29, 2016 Author Report Share Posted June 29, 2016 Well that's great thanks I'll send you a PM Quote Link to post Share on other sites
ianc Posted June 29, 2016 Report Share Posted June 29, 2016 Overdrive Repair Services, who will be present at the IWE, can sell you a purpose-made tool for the big brass nut. Call them in advance and collect at Lincoln. Ian Cornish Quote Link to post Share on other sites
Dave Larnder Posted June 30, 2016 Report Share Posted June 30, 2016 Ian Any idea on the price of that tool?/ I made my own from a piece of pipe which I cut the ends into the castellated shape to grip ALL the points especially those ones that had been previously rounded slightly by the original owner. It worked perfectly but is a bit clunky so a proper designed tool would be a good buy. Dave Quote Link to post Share on other sites
ianc Posted June 30, 2016 Report Share Posted June 30, 2016 According to the ORS website (see overdrive-repairs.co.uk), the A Type Drain Plug Spanner ORSSPN is £20. It's a well-made, beefy tool! I imagine that one would avoid cost of postage if collected at the IWE in Lincoln. Ian Cornish Quote Link to post Share on other sites
JJC Posted June 30, 2016 Author Report Share Posted June 30, 2016 Ian - is that tool designed to work with drain plugs which respond to a "c spanner"? I have a c spanner to deal with the o/d on the 6 but the one on the 2 is different. It needs either a conventional spanner or socket. Andrew's post above says a 30mm socket does the trick. I don't have one (yet!). JJC Quote Link to post Share on other sites
ianc Posted July 1, 2016 Report Share Posted July 1, 2016 The ORS spanner has 6 teeth which fit into the slots in the large brass nut. It's a beefy spanner, made of 5/16" (8mm) steel and weighing one pound (464 grams). I don't know whether it would work on the J type overdrive, although the TR6 Workshop Manual seems to show a nut with 6 slots. Clearly, ORS could advise. Ian Cornish Quote Link to post Share on other sites
JJC Posted July 1, 2016 Author Report Share Posted July 1, 2016 Ian It's a 54 TR2 with original box. It doesn't use the same type of o/d drain as the later (but same type) of o/d. It sounds as though the thing you are describing does the same job as a c spanner but better. I might try and post a picture if anyone's interested. JJC Quote Link to post Share on other sites
ianc Posted July 1, 2016 Report Share Posted July 1, 2016 Attached is a photo of the ORS tool alongside a metric ruler. Ian Cornish Quote Link to post Share on other sites
BlueTR3A-5EKT Posted July 1, 2016 Report Share Posted July 1, 2016 (edited) I use a 11/16 whit box spanner. Hold it up in place with a block of wood and a jack as you slacken to stop it jumping off. My spare plug measures 1.212" or 30.79 mm Try the plumbers merchant for big box spanners. The 32 mm item with a touch of filing does TR2/3 steering wheel nuts. This one http://www.ebay.co.uk/itm/TUBULAR-TUBE-SPANNER-27mm-32mm-Deep-Box-Wrench-by-Neilsen-Tools-CT1172-/252078934385?hash=item3ab1134971:g:T-EAAOSwT6pV6BoS Cheers Peter W Edited July 1, 2016 by BlueTR3A-5EKT Quote Link to post Share on other sites
JJC Posted July 1, 2016 Author Report Share Posted July 1, 2016 I think we're there now. Ian's picture shows the tool for the later version. So I'm after a 11/16 whit box spanner or maybe a battered 30 mm socket. Many thanks to all. JJC Quote Link to post Share on other sites
stuart Posted July 2, 2016 Report Share Posted July 2, 2016 Socket would be easier http://www.ebay.co.uk/itm/Stahlwille-11-16-W-Socket-1-2-square-drive-Whitworth-GERMANY-/131851855508?hash=item1eb2fba694:g:VDQAAOSwdrRXG5x5 Stuart. Quote Link to post Share on other sites
JJC Posted July 6, 2016 Author Report Share Posted July 6, 2016 Just to finish off........borrowed a 11/16 socket, the owner cut the tapered lead in off and it worked. So success finally. JJC Quote Link to post Share on other sites
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.