Julian Thompson Posted January 4, 2004 Share Posted January 4, 2004 I've got 5 new 52306 Draper locking tools - ideal for easy K series cambelt changes! No idea how much they should be but I reckon they've got to be worth £4 each. If you want one you can send me an SAE jiffy bag with 4 quid in it and I'll send one back by return. Julian. Link to comment Share on other sites More sharing options...
Englishmaninwales Posted January 4, 2004 Share Posted January 4, 2004 52306 CLT K16 locking tool. Draper Tools. £2.95 see www.drapertools.com Malcolm Edited by - Englishmaninwales on 4 Jan 2004 17:08:07 Link to comment Share on other sites More sharing options...
mav Posted January 4, 2004 Share Posted January 4, 2004 Everyone who orders the Verniers will be needing a locking tool. Jue - You want to do a bb of them? Link to comment Share on other sites More sharing options...
Tony C Posted January 4, 2004 Share Posted January 4, 2004 Ahhh - don't think that's the case mav 😬 BRG Summertime Brooklands SV 😬 It is only with the heart that one can see rightly; what is essential is invisible to the eye. (Antoine de Saint-Exupery) Link to comment Share on other sites More sharing options...
mav Posted January 4, 2004 Share Posted January 4, 2004 unless they already have one Link to comment Share on other sites More sharing options...
Tony C Posted January 4, 2004 Share Posted January 4, 2004 My understanding is that the crank will need to be turned back and forth, as will the camshafts - so I wonder when you'll need the locking tool 😬 BRG Summertime Brooklands SV 😬 It is only with the heart that one can see rightly; what is essential is invisible to the eye. (Antoine de Saint-Exupery) Link to comment Share on other sites More sharing options...
TonyR Posted January 5, 2004 Share Posted January 5, 2004 The locking tool is used to allow you to undo the camshaft pulleys which will be changed for the adjustable vernier type. Tony Link to comment Share on other sites More sharing options...
Tony C Posted January 5, 2004 Share Posted January 5, 2004 That sounds reasonable 😬 Does the locking tool just lock the pulley's together or does it also lock the pulley's to the head? Link to comment Share on other sites More sharing options...
Englishmaninwales Posted January 5, 2004 Share Posted January 5, 2004 Tony C Locks them together. Malcolm Link to comment Share on other sites More sharing options...
Bangers quotNquot Mas1697456953 Posted January 5, 2004 Share Posted January 5, 2004 I changed my std's to verniers with no special tools. Link to comment Share on other sites More sharing options...
Englishmaninwales Posted January 5, 2004 Share Posted January 5, 2004 Beagle How did you undo the camshaft sprocket retaining bolts? Malcolm Link to comment Share on other sites More sharing options...
Luke Beaumont Posted January 5, 2004 Share Posted January 5, 2004 Weeeell, you're not really supposed to use the locking tool to hold the tension on the cam pulleys as you heft the bolts off. Official Rover method is to use a long tool with two prongs that slip between the spokes of the cam wheel. I made one up with bolts & some strips of steel. The locking tool is only supposed to be used to keep the cam pulley marks lined up when you fit the timing belt when working with the original non adjustable pulleys. Link to comment Share on other sites More sharing options...
Tony C Posted January 5, 2004 Share Posted January 5, 2004 That sounds right Luke. I consider it bad engineering practice to use either the locking tool or, worse still, not using the locking tool and holding the crankshaft bolt stationary with a wrench and relying on the cam belt to hold the camshaft sprockets still to undo the bolts. I think this might overstress the cam belt, possibly leading to premature failure Maybe this thread needs transferring to Tech Talk. I also second Batterd's view that changing to vernier cam sprockets should only be undertaken if you are confident and comfortable that you know what you're doing - serious engine damage could result if you get it wrong BRG Summertime Brooklands SV 😬 It is only with the heart that one can see rightly; what is essential is invisible to the eye. (Antoine de Saint-Exupery) Link to comment Share on other sites More sharing options...
mav Posted January 5, 2004 Share Posted January 5, 2004 I hope to be organising a couple of 'Master Classes' wrt fitting the verniers. This will agaion be in assoc. with Dave Andrews. I also hope to be able to produce an article for Low Flying as a step by step guide, or perhaps even a dvd of the same - for a small contribution to NTL. Reagrds, Martin Link to comment Share on other sites More sharing options...
Grubbster Posted January 5, 2004 Share Posted January 5, 2004 *thumbup* *thumbup*mav - please do, I'm sure there are plenty who will benefit and gladly contibute something to NTL See some photo's of my Roadsport build here Link to comment Share on other sites More sharing options...
Pelico Posted January 5, 2004 Share Posted January 5, 2004 Seconded. Damn it. Second time I have mirrored Grubbsters posts on this thread. One day I will have my own opinions. Peter My new Caterham owner's site Link to comment Share on other sites More sharing options...
drB Posted January 5, 2004 Share Posted January 5, 2004 is there such a word as thirded??? anyway, sounds good to me my first blat here ! Link to comment Share on other sites More sharing options...
Bangers quotNquot Mas1697456953 Posted January 5, 2004 Share Posted January 5, 2004 "How did you undo the camshaft sprocket retaining bolts?" Removed a plug and wedged the piston down with a screwdriver *tongue* Gentle tap with an impact driver and they came undone no problem. Dave Walker timed them prior to mapping the Emerald, made a lot of difference. Link to comment Share on other sites More sharing options...
Tony C Posted January 5, 2004 Share Posted January 5, 2004 *arrowup* *arrowup* Aaaaagh BRG Summertime Brooklands SV 😬 It is only with the heart that one can see rightly; what is essential is invisible to the eye. (Antoine de Saint-Exupery) Link to comment Share on other sites More sharing options...
Leadership Team SLR No.77 Posted January 5, 2004 Leadership Team Share Posted January 5, 2004 There is possibly some confusion that needs clearing up: 1. Tool we're discussing from Draper is the equivalent to Rover tool no. 18G1570, described as a Camshaft locking tool. This is for insertion between the timing pulleys to ensure no movement of the pulleys occurs during changing of the timing belt. It is NOT for locking the pulleys in order to remove the retaining bolts. The cams can rotate if the tool is not used due to the valve spring pressure on the cam lobes causing the cams to "notch" round. 2. The tool used for removing the retaining bolts is Rover tool no. 12-182, described as the "Camshaft holding tool". This is a long forked tool that enables the timing pulley to be held in position whilst the retaining bolt is removed, or re-torqued during refitting. In practice I have found that it is possible as an alternative to use an 8mm socket on an extension, passed through one of the pulley holes and located on a bolt head behind, thereby locking the pulley in either direction. IIRC the bolts need to be tightened to 80Nm therefore in no way should the locking tool or the cam belt (or a piston ) be used as an alternative. Stu. Link to comment Share on other sites More sharing options...
mahatma Posted January 5, 2004 Share Posted January 5, 2004 Depending on the size of the bolts fitted to the pulleys, the torque settings are as follows; M8 = 35Nm M10 = 65Nm Stu, do you use the socket placed over one of the bolts that retain the timing belt cover in place ? Andy Link to comment Share on other sites More sharing options...
Englishmaninwales Posted January 5, 2004 Share Posted January 5, 2004 I see the Zetec boys have got jealous of our discussion. See Tech Talk. ( can we have a Master Class on how to create a link?) Malcolm Link to comment Share on other sites More sharing options...
Leadership Team SLR No.77 Posted January 5, 2004 Leadership Team Share Posted January 5, 2004 I think so Andy, but I'd need to look again to check 😬 Yep, 65Nm are the ones I have! I use a small 1/4" socket set with an extension piece that's around 3" long - works a treat Stu. Link to comment Share on other sites More sharing options...
mahatma Posted January 5, 2004 Share Posted January 5, 2004 Another suggestion has come in. There are two flats on each of the cams (the cams themselves) that can be held with a large adjustable spanner. If this is held correctly, with the spanner across the flats of the cams, the pulley bolts can be torqued up to the required level. Comments ... Andy Link to comment Share on other sites More sharing options...
Leadership Team SLR No.77 Posted January 5, 2004 Leadership Team Share Posted January 5, 2004 My preference is to always have the item locked against something solid when you need to apply a known torque - especially a high one , but that's only my opinion. Like wise with the crank pulley bolt - I'd rather not mess with it unless the engine is out and the cranks locked in position. Stu. Link to comment Share on other sites More sharing options...
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