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Aug 24th, 2023
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Joined: Jul 2016
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L - Learner Plates On
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OP
L - Learner Plates On
Joined: Jul 2016
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I will be doing a 1,000 mile service on my 2014 M3W soon. This should include all driveline fluids and flushing the brake fluid.
I searched for "torque" but have not seen anyone post the common torque values you'd use in a fluid service.
It would be great to get those in one place for easy reference.
Anyone?
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Joined: Nov 2013
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Talk Morgan Regular
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Talk Morgan Regular
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I would be willing to pay at least $100 or more for a factory Manuel that gives all the data and repair procedures that are mentioned on our website. I remember at one point someone volunteered to build this book but it seems to have slid away somewhere. I think it would be a major job to do this with all the research and such. Yes I know, why don't I do it, I simply don't have the experience or computer know how to do this, but I would be willing to assist
PS I still haven't figured out how to include pictures or download them
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Joined: Jul 2015
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Talk Morgan Expert
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Talk Morgan Expert
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kirkusblog.com
2016 M3W John A Prestwich Special
1952 Ford 8N
1968 Honda CL175,and 2018 Ural Retro
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Joined: Jul 2016
Posts: 128
L - Learner Plates On
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L - Learner Plates On
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It would be good to get the torque values for the drain and fill plugs for the transmission and bevel box, as well as the drain for the S&S. I'll keep searching and will post as I find them.
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Joined: Apr 2009
Posts: 1,036
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Has a lot to Say!
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Torque settings for oil filler and drain plugs? Really?
Firstly, torque settings are determined by a number of factors: the plug material, casing material, fine thread, course thread, washer material (nylon, fibre, rubber, soft aluminium, etc) as well as the mating design.
The rule of thumb is to nip it up and most definitely not over tighten. You should be able to nip it up with just one hand on the spanner using a light to firm pressure. Any more and the washer will distort with resulting oil leaks and there's the risk of thread damage, particularly to die-cast aluminium castings.
Motorcycle racers are required to 'wire' sump plugs to prevent vibration from undoing plugs and dumping oil on the track.
Last edited by Cheshire_David; 15/09/16 01:28 PM.
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Joined: Jun 2012
Posts: 2,141 Likes: 43
Talk Morgan Expert
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Talk Morgan Expert
Joined: Jun 2012
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The S&S Service Manual for the X-Wedge Engine has a page of torque specifications for critical engine items, including what type of Loctite to use for them. No mention of the oil drain plug there. I know there are lists of standard torque figures for different size threads and materials but I think "a nip" is about right for the fill and drain plugs. Although I am not a racer, I am an ex-aircraft engineer, so my M3W's fill and drain plugs are wire locked for peace of mind.
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Joined: Apr 2009
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Has a lot to Say!
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I think that Planenut has just spawned a new fetish for Morgan Threewheeler owners. Lock-wiring!
One needs lock-wire pliers, to drill a very small hole through the plug and a corresponding hole in a convenient part of the main casting.
To do it neatly and effectively is an art. I can see a whole new discipline introduced, particularly to followers of concours d'elegance. Marked down for untidy land uneven lock-wire twisting, imperfect angles, untidy ends and rusty wire!
I'm sure that there are suitable educational videos on the subject on YouTube!
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Joined: Jun 2012
Posts: 2,141 Likes: 43
Talk Morgan Expert
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Talk Morgan Expert
Joined: Jun 2012
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Marked down for untidy land uneven lock-wire twisting, imperfect angles, untidy ends and rusty wire!
You sound just like an instructor I once knew back in the 70's, did you work at RAF Halton then? I only use stainless locking wire by the way, no rusty wire.
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Joined: Apr 2009
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Oh no, unfortunately not! I learnt all that racing a 250cc Aermacchi in the early 1970s as well as riding an assortment of British singles and twins ranging from AJS 350 singles, Norton and a Vincent Comet 500 singles and a BSA Super Rocket. Also competing in Formula Ford 1600s.
Neatly twisted lockwire with properly aligned holes with ends out of the way was just part of detail of the preparation.
But I can understand the approach being similar to those trained by the RAF!
Last edited by Cheshire_David; 15/09/16 01:29 PM.
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Joined: Jul 2016
Posts: 128
L - Learner Plates On
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OP
L - Learner Plates On
Joined: Jul 2016
Posts: 128 |
Torque settings for oil filler and drain plugs? Really?
Firstly, torque settings are determined by a number of factors: the plug material, casing material, fine thread, course thread, washer material (nylon, fibre, rubber, soft aluminium, etc) as well as the mating design.
The rule of thumb is to nip it up and most definitely not over tighten. You should be able to nip it up with just one hand on the spanner using a light to firm pressure. Any more and the washer will distort with resulting oil leaks and there's the risk of thread damage, particularly to die-cast aluminium castings.
Motorcycle racers are required to 'wire' sump plugs to prevent vibration from undoing plugs and dumping oil on the track. Having worked on the airplanes I've flown for over 25 years, I think I have a pretty good sense of how to tighten fasteners. Yet, the same experience leads me to use published torque values if they're available as they can compensate for factors that are not readily apparent.
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